CNC Machining Services

Last updated: January 2026

This directory lists 129 cnc machining services across the United States, from prototype specialists to high-volume production shops.

Companies require CNC machining services to solve critical manufacturing challenges, from achieving intricate features on medical implants to prototyping complex aerospace components. Success hinges on a supplier's ability to consistently hold tight GD&T callouts, deliver specific surface finish requirements, and offer valuable DFM input early in the design cycle. This ensures not just part functionality but also cost-optimized production.

The supplier landscape includes a diverse set of shops: small, agile job shops often excelling in quick-turn prototypes and low-volume custom parts; larger contract manufacturers focused on optimizing high-volume production with robust quality systems; and niche specialists operating high-precision Swiss-type lathes for micro-machining or offering ITAR-registered services for defense applications. Each type offers distinct advantages based on project scale and complexity.

Effective engagement with a CNC machining supplier starts with meticulous preparation. Buyers must provide complete 3D CAD models (e.g., STEP, Parasolid), fully dimensioned 2D prints detailing critical tolerances and material specifications, and clear expectations regarding inspection methodologies and material certifications. Suppliers, in turn, expect a well-defined scope to accurately assess feasibility and provide competitive quotes.

A significant shift in this category is the push towards greater automation and digitalization on the shop floor, often integrating robotic part loading or advanced in-process metrology to boost efficiency and consistency. There's also a growing emphasis on supply chain resilience, leading some organizations to prioritize domestic sourcing for critical CNC components, valuing lead time stability and communication over purely cost-driven decisions.

Full listOne-time purchase · No subscription

Get contact details for all 129 cnc machining services

Verified emails, direct phone numbers, company website URLs, and descriptions — downloadable as a CSV you can load straight into your CRM.

  • 88 verified email addresses
  • 123 direct phone numbers
  • 129 company website URLs
  • Direct links to contact pages
  • CSV download, CRM-ready
  • Lifetime access, no recurring fee
$19.99one time

Secure checkout via Stripe. No account required.

Request custom list

Need more? From $300 for 3,000 company contacts, or $600 with named decision-makers.

Not quite the list you need?

Search any industry, location or job title, free.

5 free results, no card needed.

Want your company featured on this page?

Featured listings are $29/month — shown above this directory, with your logo, description and contact details visible to every visitor.

Get listed

Company Directory

129 companies nationwide

Absolute Machining LLC

absolutemachiningllc.com
Fort Wayne, IN

Absolute Machining LLC, located in Fort Wayne, IN, provides precision CNC machining and custom parts manufacturing. They operate a 20,000-square-foot facility, producing high-quality, made-to-spec components. Services include CAD design, engineering support, and material sourcing, streamlining client production processes.

shop@absmach.com+12607474568

Aerodyne Precision Machining, Inc.

aerodyneprecision.com
Huntington Beach, CA

Based in Huntington Beach, CA, Aerodyne Precision Machining provides complex CNC machining services. The company specializes in producing high-quality, precision parts, particularly hydraulic components, for the aerospace industry. Operating from a 20,000 sq. ft. facility, they meet critical specifications for major aerospace clients.

jobs@aerodyneprecision.com+17148911311

Alger Precision Machining, LLC

algerprecision.com
Ontario, CA

Based in Ontario, CA, Alger Precision Machining, LLC has provided precision component parts for OEMs since 1958. They offer full-service machining, including CNC Swiss, multi-spindle, single-spindle, and general CNC machining. They handle complex parts with tight tolerances for prototypes and high-volume production.

sales@alger1.com+18008549833

Alpha Omega Swiss, Inc.

alphaomegaswiss.com
Yorba Linda, CA

Based in Yorba Linda, CA, Alpha Omega Swiss, Inc. specializes in precision CNC machining services utilizing state-of-the-art swiss screw machines. They produce customized machined parts for industries like medical, dental, aerospace, military, and electronics, known for their high-quality standards and quick lead times.

info@alphaomegaswiss.com+17146928009

American Tool & Die

americantoolanddie.com
Swansea, SC

Based in Swansea, SC, American Tool & Die specializes in custom CNC machining services, creating precise, high-quality parts. They utilize state-of-the-art equipment for CNC milling and turning, serving demanding industries such as aerospace, automotive, HVAC, and railroad with reliable manufacturing solutions.

sales@atd1.net+18035682136

American Precision Tool

ameriprectool.com
Pacoima, CA

Based in Pacoima, CA, American Precision Tool provides precision CNC machining services for aerospace, defense, and medical industries. They specialize in Swiss machined parts and softgel tooling, handling projects from prototypes to production runs while maintaining AS9100D certification.

info@ameriprectool.com+18188962100

All Metals Fabricating

ametals.com
Dallas, TX

All Metals Fabricating, a Dallas, TX sheet metal fabrication shop, provides precision CNC machining services. These include turning, milling, drilling, sawing, and countersinking, handling parts up to 59” x 29” and turning diameters from 0.25” to 10”. They specialize in high-quality components with impressive tolerances.

info@ametals.com+19727471234

API Precision Machining Inc.

apipm.com
Cedar Hill, TX

Based in Cedar Hill, TX, API Precision Machining Inc. is a HUB-certified, woman-owned company established in 1945. They specialize in precision parts and machine work for various industries including aviation, medical, military, oilfield, and telecommunications. The company focuses on delivering high-quality products and services.

info@apipm.com+12147484994

A+ Precision Machine

aplusprecisionmachine.com
Houston, TX

Based in Houston, TX, A+ Precision Machine provides expert precision machining services to clients across the Gulf Coast region. This family-owned and operated company boasts over 15 years of experience, emphasizing personalized service, attention to detail, and high quality standards.

info@webmail.com+17132318767

ATS Precision Machining INC

atspm.com
Norco, CA

Based in Norco, CA, ATS Precision Machining INC is a family-owned and operated company. They specialize in providing precision machining services to industrial and commercial clients from a range of different sectors, utilizing their in-house capabilities.

info@atspm.com+19513710130

Aztalan Engineering Inc.

aztalan.com
Lake Mills, WI

Based in Lake Mills, WI, Aztalan Engineering Inc. provides precision CNC machining services. Capabilities include CNC turning (vertical, horizontal, twin spindle), milling, and Swiss turning for machine parts. They also offer soldering, brazing, engineering support, and assembly services, manufacturing components for clients across North America.

dwuestenberg@aztalan.com+19206483411

Bart Manufacturing

bartmanufacturing.com
Santa Clara, CA

Based in Santa Clara, CA, Bart Manufacturing provides precision CNC machining services for clients in Northern California. Their capabilities include CNC prototyping, vertical milling, and CNC lathe operations. They offer comprehensive contract manufacturing solutions, specializing in producing complex parts and prototypes.

sales@bartmanufacturing.com+14083204373

Baton Rouge Machine Works, LLC

brmachineworks.com
Baton Rouge, LA

Based in Baton Rouge, LA, Baton Rouge Machine Works, LLC provides comprehensive machining services. Their 100,000 sq ft facility handles custom parts manufacturing, repair, and fabrication. Capabilities include heavy-duty machinery, a dedicated roll shop, pump shop, and welding services for industrial clients.

info@brmachineworks.com+12257752542

C&H Machine, Inc.

c-hmachine.com
Escondido, CA

Based in Escondido, CA, C&H Machine, Inc. is an AS9100:2016 Rev. D certified and ITAR registered precision manufacturing facility. The company specializes in full-service Milling, Turning, EDM, Welding, and Assembly Services, fulfilling both short-run and production-run needs for partners and customers.

info@c-hmachine.com+17607466459

California Fastener

californiafastener.com
—

California Fastener provides high-quality CNC machining services, utilizing advanced mills, lathes, and multi-axis machines for precision manufacturing. They offer custom and high-volume production, including CNC turning for cylindrical parts. The company serves industries such as aerospace, automotive, medical, and general manufacturing.

info@californiafastener.com+17077413277

C & M Machining LP

candmmachining.com
Navasota, TX

Based in Navasota, TX, C & M Machining LP is an ISO 9001:2015 certified, family-owned CNC machining shop. With over three decades of experience, they utilize a 34,000 sq ft facility to provide high-quality, precision parts from excellent materials. They serve clients in energy, oil, and research industries across the Greater Houston area.

sp@candmmachining.com+19368250484

Challenge Machine

challengemachine.com
Blaine, MN

Based in Blaine, MN, Challenge Machine specializes in CNC precision machining and micromachining, established in 1999. They process various metals and high-performance plastics for industries including Medical, Aerospace, Automotive, and Semiconductor. Services encompass CNC prototyping and precision manufacturing solutions.

info@challengemachine.com+17632318400

CMTC

cmtc.com
Long Beach, CA

CMTC, established in 1984, is a contract machine shop specializing in precision machined parts. The company utilizes CNC Lathes and vertical and horizontal Machining Centers to produce components for industries such as medical, automotive, aerospace, defense, and electronics.

comm@cmtc.com+15597325599

CNC Manufacturing, Inc.

cnc-mfg.net
Missouri City, TX

Based in Missouri City, TX, CNC Manufacturing, Inc. provides large-scale, high-precision CNC machining services. They offer turnkey solutions from sourcing through inspection, delivering durable products for harsh environments. Capabilities include horizontal machining centers for parts up to 4,400 lbs and lathes with long-bed capacity for parts up to 360 inches long.

michelle@cnc-mfg.net+12814382499

CNC Machining & Engineering, Inc.

cncmae.com
Ontario, CA

Based in Ontario, CA, CNC Machining & Engineering, Inc. provides high-precision CNC machining services. They utilize Citizen Cincom Swiss machines for complex turning, Brother Speedio CNC mills for precision milling, and Miyano CNC lathes for accurate turning. The company achieves tight tolerances up to +/-.0002 for diverse industrial applications.

sales@cncmae.com+19097883035

Coleys CNC Machining

coleys.com
Vermilion, OH

Based in Vermilion, OH, Coleys CNC Machining provides precision CNC machining services. Capabilities include turning, horizontal and vertical milling, CAD/CAM programming, and inspection. They offer limited-run, high-volume, and custom production for high-demand sectors such as military, aerospace, trucking, mining, and hydraulics.

sales@coleys.com+18888105051

Collins Custom Manufacturing LLC

collinscustommfg.com
Fort Worth, TX

Based in Fort Worth, TX, Collins Custom Manufacturing LLC specializes in 3-5 axis CNC machining, turn-key assemblies, and sheet metal fabrication. They provide superior quality parts and assemblies with quick turnaround times and cost-saving solutions. The company is AS9100D, ITAR compliant, and ISO 9001:2015 certified.

service@collinscustommfg.com+16822318574

Columbus Machine Works

columbusmachine.com
—

Columbus Machine Works operates as a full-service machine shop, providing a comprehensive one-stop solution for diverse client needs. They specialize in custom machining, CNC machining, and conventional machining, alongside offering repairs and retrofits.

sales@columbusmachine.com+16144090244

Contract Machining and Manufacturing Inc.

contract-machining.com
Lexington, KY

Based in Lexington, KY, Contract Machining and Manufacturing Inc. provides precision CNC machining services for industrial clients. They offer production machining, facing and centering, sawing, grinding, welding, fabrication, and large diameter turning capabilities. The company serves automotive, heavy truck, HVAC, mining, and drilling industries, also manufacturing rock drilling tools.

josh@contract-machining.com+18592539700

Custom Machining Corporation

custommachining.com
Englewood, CO

Based in Englewood, CO, Custom Machining Corporation specializes in contract manufacturing and high-speed automation machinery. They supply Rotary End Liners to the canning industry, offering in-house engineering, machining, inspection, metallurgical, and assembly capabilities to various manufacturers.

ed.bendell@custommachining.com+13037620333

Darmark Corporation

darmark.com
Poway, CA

Based in Poway, CA, Darmark Corporation is a precision CNC machine shop specializing in prototype and production applications. They offer expertise in CNC machining high-temp alloys and completing turn-key assemblies. Serving aerospace, medical, power generation, and semiconductor industries, Darmark has provided manufacturing solutions since 1978.

thomas@darmark.com+18586793970

Distinctive Manufacturing

distinctivemfg.co
Grand Rapids, MI

Based in Grand Rapids, MI, Distinctive Manufacturing is a CNC machine shop and metal fabrication company. They specialize in precision CNC machining, including milling and turning, alongside comprehensive metal fabrication services like laser cutting, bending, and welding. The company produces custom parts, prototypes, and production runs for diverse industrial clients.

rfq@distinctivemfg.co+16169538999

Dye CNC

dyecnc.com
San Diego, CA

Dye CNC, based in San Diego, CA, provides CNC machining services, including 3, 4, and 5-axis turning and milling capabilities. They specialize in complex, tight tolerance parts for the defense, aerospace, automotive, medical, electronic, and high technology industries. The company is AS9100, ISO9000, and ITAR certified.

contact@dyecnc.com+18584442222

ER Machining

ermachining.com
Houston, TX

Based in Houston, TX, ER Machining provides precision CNC machining services, including CNC milling and turning. They specialize in custom machining, prototype, and high-volume production with a focus on fast turnaround. The company serves industries such as aerospace and oil & gas, and also offers emergency machining.

francois.martin@ermachining.com+13463338714

Excell Precision Machine

excellprecisionmachine.com
Mansfield, TX

Based in Mansfield, TX, Excell Precision Machine is a family-owned full-service machine shop. They provide professional machining and custom manufacturing services for custom parts and tooling. Serving industrial manufacturers, bus companies, and gas/oil field services, they offer precision machining expertise for various components and specialized equipment.

officeoffice@excellmachine.com+18174736121

Fast Radius, Inc.

fastradius.com
—

Fast Radius provides scalable, on-demand CNC machining services, enabling customers to upload CAD files for rapid production. The company emphasizes taking projects to production in days. It specifically serves the Ohio market with efficient manufacturing capabilities.

info@sybridge.com+18338241116

FERPA Precision Machine Service, Inc.

ferpa-pmi.com
Houston, TX

Based in Houston, TX, FERPA Precision Machine Service, Inc. specializes in providing CNC machining services. The company utilizes state-of-the-art technology to produce both simple and complex thermoplastic solutions, offering precision machined components for industrial customers.

contact@ferpa-pmi.com+12818749747

FTC Industries

ftcindustries.com
Arlington, TX

Based in Arlington, TX, FTC Industries operates as a machine shop, specializing in custom machined parts. The company offers comprehensive CNC machining services, including CNC milling and CNC turning. They serve industrial customers across the United States, providing manufacturing solutions from their Dallas/Fort Worth area facility.

rick.flores@ftcindustries.com+18173850021

Halcyon Manufacturing

halcyonmfg.com
San Jose, CA

Based in San Jose, CA, Halcyon Manufacturing provides comprehensive CNC machining services. They specialize in precision 5-axis milling and 7-axis turning, supporting projects from quick-turn prototyping to high-volume production. Capabilities include engineering, welding, plating, heat treatment, and assembly for diverse industrial applications.

info@halcyonmfg.com+14086428468

H&H Precision, Inc.

hhprecisionmachining.com
Decatur, TX

Based in Decatur, TX, H&H Precision, Inc. is a large scale CNC production machine shop. They manufacture billet aluminum and metal parts, including precision grade aircraft components, custom aftermarket auto parts, brackets, connectors, hose fittings, and fuel system parts.

ben@status26.hhmfg+18173601694

Imperial Precision Manufacturing Inc.

imperialprecision.com
—

Imperial Precision Manufacturing Inc. specializes in CNC machining, Swiss turning, and multi-spindle services, along with secondary operations. The company serves a wide range of industries, including electrical vehicles, aerospace, automotive, medical, dental, and telecommunications, providing precision manufacturing solutions.

info@imperialprecision.com+18004627120

Independence Precision Machining, LLC

ipmca.us
Roseville, CA

Based in Roseville, CA, Independence Precision Machining, LLC provides CNC machining, prototype manufacturing, and production. They offer CNC turning to 30 inches and high-speed vertical and horizontal CNC milling with 4th axis capabilities. The company is AS9100D and ISO 9001:2015 certified, working with diverse materials including metals and plastics.

info@ipmca.us+19167881818

JACO Machine Works

jacoworks.com
Scotts Valley, CA

Based in Scotts Valley, CA, JACO Machine Works is an ISO9001:2015 and AS9100D certified manufacturer offering custom CNC machining services. They specialize in CNC screw machining, 5-axis CNC machining, and vertical CNC milling for medical, aerospace, and high technology applications, producing precision components and assemblies.

quote@jacoworks.com+18774298175

JBC Machine, Inc.

jbcmachine.com
Hortonville, WI

Based in Hortonville, WI, JBC Machine, Inc. is a family-owned machine shop providing precision CNC machining services since 1985. They work with materials such as steel, aluminum, plastics, and composites, offering solutions from prototype machining to high-volume production. JBC Machine serves various industries including aerospace and packaging.

r.perzentka@jbcmachine.com+19207794075

Kadon Precision Machining

kadonprecision.com
Rockford, IL

Based in Rockford, IL, Kadon Precision Machining specializes in providing quality precision machined parts. They offer comprehensive CNC machining and Swiss machining services, leveraging state-of-the-art facilities. The company focuses on delivering innovative solutions for complex manufacturing requirements across diverse industrial applications.

info@kadonprecision.com+18158745850

KD Precision Machining

kdprecision.com
Corona, CA

Based in Corona, CA, KD Precision Machining provides CNC machining, turning, and milling services. They utilize state-of-the-art equipment and extensive experience to produce close tolerance parts from difficult alloys. Serving aerospace, defense, and engineering customers, the company is AS9100 Rev D certified.

info@kdprecision.com+17148718384

LA CNC INC

lacncmachineshop.com
Glendale, CA

Based in Glendale, CA, LA CNC INC offers precision CNC machining services, specializing in turning, milling, and assembly. With over 30 years of experience, they provide high-volume production for complex parts across a wide range of materials, serving industrial clients throughout Los Angeles county.

info@lacncmachineshop.com+18185629676

Lowrance Machine Shop

lowrancemachine.com
Houston, TX

Based in Houston, Texas, Lowrance Machine Shop has provided businesses across diverse industries with reliable computer numerical control and manual machining services for over 50 years. They offer precision machining solutions, combining extensive experience with a commitment to quality and service, utilizing both advanced CNC and traditional manual operations.

info@lowrancemachine.com+12814496525

Mach3 Machining

mach3machining.com
Cuyahoga Falls, OH

Based in Cuyahoga Falls, OH, Mach3 Machining specializes in large diameter turning and precision CNC machining of oversized components for demanding industrial applications. They provide CNC milling, turning up to 80" diameter, heavy boring, and vertical turning services, maintaining tight tolerances with high accuracy and robust heavy lifting capabilities.

sales@mach3machining.com+13309235783

Mainstream

mainstreamwaterjet.com
Loveland, OH

Based in Loveland, OH, Mainstream provides full-service custom precision abrasive waterjet cutting and conventional machining. They utilize leading-edge technology with experienced journeyman level operators and machinists. The company handles both one-off prototypes and high-volume production runs for various industries.

info@mainstreamwaterjet.com+15136835426

Marberry Machine, Inc.

marberrymachine.com
Houston, TX

Based in Houston, TX, Marberry Machine, Inc. provides a wide range of machining services, with a specialty in large part machining. The company leverages highly skilled personnel, advanced machinery, and strict quality assurance to produce components of various sizes for customers.

support@modxcloud.com+17134669666

Maroney Company

maroneycompany.com
Los Angeles, CA

Based in Los Angeles, CA, Maroney Company offers precision machining services with sixty years of experience. They specialize in complex, super precision, and low tolerance projects for aerospace, defense, and medical fields. Services include electrical discharge machining, milling, lathe work, and grinding to manufacture intricate parts.

jc@maroneycompany.com+18188822722

Metalex Manufacturing

metalexmfg.com
Cincinnati, OH

Metalex Manufacturing, based in Cincinnati, OH, specializes in advanced CNC machining services for complex, large-scale projects. They provide 5-axis milling, turning, and grinding capabilities with tight tolerances, serving industries like aerospace, energy, space, and defense. The company operates 70 machines, including 5-axis mills and mill-turns, across 415,000 sq ft of manufacturing space.

sales@metalexmfg.com+15134890507

Midway Machine

midway-machine.com
Houston, TX

Based in Houston, TX, Midway Machine provides precision CNC machining services. They offer custom parts from prototype to production, including turning, milling, EDM, and gundrilling. Serving aerospace, energy, and medical industries, the company is AS9100D and ISO 9001:2015 certified.

sales@midway-machine.com+17139471102

Modern Group

moderngroupusa.com
—

Modern Group provides precision CNC machining services for high-volume parts. Leveraging over 100 years of experience, they utilize a 200,000 sq/ft manufacturing facility with cutting-edge equipment. The company offers in-house tooling design and fabrication, supported by an engineering staff, to deliver comprehensive machining projects.

support@modxcloud.com+17083881806

M-Tech Precision Machining

mtechprecisionmachining.com
Houston, TX

Based in Houston, TX, M-Tech Precision Machining provides precision machined components for manufacturers. They offer general machining, manual lathe and mill services, and CNC capabilities. Specializing in prototype production, the company serves various industries with a focus on quality assurance.

info@mtechprecision.net+18329126662

N&P Precision Machine

npprecisionmachine.com
Anaheim, CA

Based in Anaheim, CA, N&P Precision Machine is a precision CNC machining company. They specialize in multi-axis CNC milling and turning, offering services like 5-axis machining, precision grinding, and wire EDM. The company produces complex components, serving various industries with high-quality manufacturing solutions.

mail@npprecisionmachine.com+18188828400

Ohio Laser

ohiolaser.com
Plain City, OH

Based in Plain City, OH, Ohio Laser specializes in precision custom CNC machining services. They deliver exceptional production solutions for complex parts and innovative assemblies. Utilizing advanced technology and skilled technicians, Ohio Laser ensures high quality and accuracy in every project, proudly holding ISO 9001:2015 certification.

sales@ohiolaser.com+16148737030

Owens Industries

owensind.com
Oak Creek, WI

Based in Oak Creek, WI, Owens Industries provides precision CNC machining services across the United States. They specialize in simultaneous 5-axis machining, wire EDM, milling, and turning, handling complex components with tight tolerances. Owens Industries serves industries like medical and aerospace, capable of fulfilling both small and large volume orders.

info@owensind.com+14147641212

Phoenix Precision Machining

phoenixprecisionmachining.net
Santa Clara, CA

Based in Santa Clara, CA, Phoenix Precision Machining provides high-quality CNC machining services, including milling, turning, and Wire EDM. They specialize in both prototype and high-volume production, serving leaders in the EV, Medical, Semiconductor, and Aerospace industries across the Bay Area.

jon@phoenixprecisionmachining.net+14085644809

PMI Quality

pmiquality.com
—

PMI Quality provides precision CNC machining services for manufacturing metal parts in numerous industries. They handle high-volume production runs, working with various metals including cold rolled steel, stainless steel, and aluminum. Utilizing sophisticated digital systems and skilled staff, PMI Quality produces complex 2D and 3D shapes from CAD designs with extreme precision.

bobl@pmiquality.com+19549426303

Price Manufacturing Company

pricemfg.com
Riverside, CA

Based in Riverside, CA, Price Manufacturing Company provides precision screw and CNC machining services. The company offers custom aluminum and other CNC machined parts, supporting businesses in California and Arizona. Operating from a 40,000 sq ft facility, it is ISO 9001:2015 certified.

contact@pricemfg.com+19513715660

Prosper-Tech Machine & Tool

prosper-tech.net
Richmond, MI

Based in Richmond, MI, Prosper-Tech Machine & Tool provides tight-tolerance CNC machining services. They serve aerospace and defense OEMs, utilizing state-of-the-art equipment, automation, and a proven quality system. The company holds AS9100 and ISO 9001 certifications, specializing in mission-critical parts like enclosures and housings.

office@prosper-tech.net+15867278800

Prototek

prototek.com
Contoocook, NH

Based in Contoocook, NH, Prototek offers precision CNC machining services including milling, turning, routing, and EDM. They provide rapid prototyping and production for various industries, utilizing a wide range of materials. Prototek is certified to ISO 9001:2015, AS9100D, and ITAR standards.

info@prototek.com+18004039777

Quality CNC Machining, Inc.

qualitycnc.com
Willoughby, OH

Based in Willoughby, OH, Quality CNC Machining, Inc. offers precision Swiss machining and multi-axis CNC mill-turn manufacturing. They produce intricate components with tight tolerances for aerospace, defense, medical, automotive, and oil & gas industries. The company is AS9100D and ISO 9001 certified.

andrew@qualitycnc.com+14409530723

RDL Machine Inc.

rdlmachine.net
Bossier City, LA

RDL Machine Inc. based in Bossier City, LA, is a CNC machine shop offering custom machining services. Capabilities include CNC turning, 4-axis and 5-axis machining, Wire EDM, and EDM sinker. They also provide 5-axis water cutting, metal fabrication, welding, and tool and die services to industrial customers.

info@rdlmachine.net+13187525515

Ricaurte Precision Inc.

ricaurteprecision.com
Santa Ana, CA

Based in Santa Ana, CA, Ricaurte Precision Inc. is a turnkey machine shop providing CNC machining services. They machine complex parts from premium and hard-to-machine metals and plastics, including Inconel, titanium, and PEEK. The company serves defense, medical, space, and aerospace manufacturers.

cnc@ricaurteprecision.com+17146670632

Riverside Machine and Automation

riverside-machine.com
Genoa, OH

Based in Genoa, OH, Riverside Machine and Automation is a master craftsman in CNC machining services. They operate twenty milling and eight turning machines, offering CNC turning, grinding, prototyping, fabrication, and assembly. The company serves diverse industries including automotive, agriculture, plastics, glass, and medical.

tsmith@northernmfg.com+14198558308

RJ Enterprises

rjenterprise.net
Gardena, CA

Based in Gardena, CA, RJ Enterprises provides comprehensive CNC machining services as a one-stop source for premium machined parts. They offer primary and secondary operations, including CNC milling, turning, Swiss turning, EDM, and wire EDM. The company emphasizes quality, supported by ISO certification for precision manufacturing.

info@rjenterprise.net+13103278127

S&S Machining & Fabrication

sandsmachining.com
Groesbeck, TX

Based in Groesbeck, TX, S&S Machining & Fabrication offers precision production and custom machining services. They utilize both CNC and manual machines, specializing in high-speed CNC machining from their 70,000 sq/ft facility. Additionally, they provide fabrication, metal castings, and field repair, adhering to ISO 9001 quality standards.

sales@sandsmachining.com+12547293685

Southeastern Machining

semohio.com
—

Southeastern Machining specializes in comprehensive CNC machining services, handling everything from single-part orders to long-term contracts. The company utilizes a wide range of equipment and its expertise to meet diverse manufacturing requirements, ensuring precision and capability for industrial clients.

hr@semohio.com+17406891147

Shamrock Precision

shamrockprecision.com
Dallas, TX

Based in Dallas, TX, Shamrock Precision provides high-quality machining services and manufactured components. Founded in 1981, the company serves diverse industries including oil field services, aerospace, defense, and telecommunications. They emphasize on-time delivery and precision quality for global clients.

sales@shamrockprecision.com+19722414226

Silicon Valley Precision Inc.

siliconvalleyprecision.com
Livermore, CA

Based in Livermore, CA, Silicon Valley Precision Inc. provides custom vertical and horizontal CNC milling and machining services. They perform 3-axis and 4-axis machining for large parts, up to 214 inches long, across diverse materials like metals and plastics. The company also offers fabrication, assembly, and secondary machining capabilities.

austin@siliconvalleyprecision.com+19253738259

Southern Machine & Fabrication Company

smfco.org
Cartersville, GA

Based in Cartersville, GA, Southern Machine & Fabrication Company operates as a custom machine shop. They offer CNC machining services, custom machining, and fabrication, alongside industrial contracting. The company is equipped to produce single parts or small batches to meet various customer requirements.

sales@smfco.org+17703860194

SoCal Machining, Inc.

socalmachining.com
—

Established in 1997, SoCal Machining, Inc. provides custom machining services, specializing in manufacturing military and commercial connectors. The company serves the electronic, hermetic, and communications industries, dedicated to fulfilling various machining needs for its clients.

tonynguyen@socalmachining.com+17144903602

SoCal Precision Engineering

socalprecisionengineering.com
Corona, CA

Based in Corona, CA, SoCal Precision Engineering provides custom CNC machined components. The company utilizes state-of-the-art milling and lathe turning centers to deliver precision parts. They specialize in offering high-quality CNC machining services for various industrial applications.

info@socalprecisionengineering.com+19514079471

Stoll Custom Machining

stollcustommachining.com
Weatherford, TX

Based in Weatherford, TX, Stoll Custom Machining is an owner-operated precision CNC machine shop with over 20 years of experience. They serve the Automotive, Aerospace, Medical, and Industrial manufacturing industries. The company specializes in complex tooling, providing quick response to emergent needs, competitive pricing, and on-time deliveries.

kevin@stollcustommachining.com+16616780938

Summit CNC

summitcnc.com
Denver, CO

Based in Denver, CO, Summit CNC is an AS9100D and ISO 9001:2015 certified machine shop. It provides high-precision CNC machining and mechanical assembly services for the aerospace, defense, and medical industries. The company specializes in complex parts with tight tolerances, handling low to high volume production using advanced materials.

service@precisionpartsfast.com+13032852211

SW Machine Tech

swmachinetech.com
Houston, TX

Based in Houston, TX, SW Machine Tech provides CNC machining services, including milling, turning, and fabrication. The company produces prototypes, custom components, and large-scale production runs for various industries. Serving sectors like aerospace and oil and gas, they focus on precision and efficiency for manufacturing needs.

sales@swmachinetech.com+19362743775

C. Thorrez Industries, Inc.

thorrez.com
Jackson, MI

Based in Jackson, MI, C. Thorrez Industries, Inc. provides comprehensive CNC machining services with over a century of precision craftsmanship. They specialize in CNC milling, turning, Swiss CNC machining, and gear hobbing. Serving industries like automotive and fluid power, the company produces intricate components for various systems with state-of-the-art equipment.

cti@thorrez.com+15177503160

Titan America MFG

titanamericamfg.com
—

Titan America MFG is a full-service CNC machine shop specializing in intricate parts from tough materials like Inconel, Titanium, and Carbon Fiber. They achieve tight tolerances for demanding industries such as Aerospace and Medical. The company also handles high-volume production machining of aluminum, plastic, and steel.

titan@titanamericamfg.com+19168241005

Trace-A-Matic Corporation

traceamatic.com
Brookfield, WI

Trace-A-Matic Corporation is a precision machine shop with CNC machining facilities in Brookfield, WI, and Houston, TX. They produce complex components, up to 15,000 pounds, for industries like aerospace, defense, and heavy equipment. Specializing in critical tolerances, they machine diverse materials.

sales@traceamatic.com+12627977300

Triton Manufacturing

tritonmanufacturing-us.com
Houston, TX

Triton Manufacturing, based in Houston, TX, specializes in custom CNC machining services. Their capabilities encompass CNC boring, milling, and turning, as well as manual machining. They produce precision parts from carbon steel, stainless steel, aluminum, and plastics, serving a range of industrial applications.

sales@tritonmanufacturing-us.com+17135876379

Ultimate Precision Technology

ultimateprecisiontechnology.com
—

Ultimate Precision Technology is a Texas-based machine shop providing comprehensive CNC machining services. They manufacture precision parts and components for prototype to production runs. Serving industries like Aerospace, Pharmaceutical, Oil & Gas, and Automotive, the company utilizes extensive equipment, including CNC lathes, mills, and EDM machines.

sales@ultimate-precision.com+19795575516

United CNC Machining

unitedcncmachining.com
Auburn Hills, MI

United CNC Machining, based in Auburn Hills, MI, specializes in advanced 5-axis and multi-axis CNC machining services. With 45 years of experience and over 50 work centers, they offer comprehensive solutions from prototyping to production. They are exotic alloy specialists, holding AS9100D and ISO 13485 certifications.

contractreview@unitedcncmachining.com+12483932300

USA Industries

usaindustries.com
South Houston, TX

Based in South Houston, TX, USA Industries offers custom CNC machining services using advanced 5 and 4 axis mills, lathes, waterjet, and plasma cutting. An in-house engineering team crafts parts to specific designs with tight tolerances. They serve diverse industries like power, chemical, oil & gas, refining, and aerospace, handling parts up to 96" OD.

info@usaindustries.com+17139413797

Bravo Machining LLC

usmachineshop.com
Houston, TX

Based in Houston, TX, Bravo Machining LLC offers precision CNC machining services, including turning and milling with 4th axis capabilities. An ISO 9001:2015 certified company, they leverage over 38 years of team experience. They serve diverse industries like oil & gas, automotive, and aerospace.

info@bravocnc.com+12816454526

Vulcan Tool Company

vulcantoolcompany.com
Dayton, OH

Based in Dayton, Ohio, Vulcan Tool Company specializes in precision machining services. Their versatile machine shop offers custom CNC milling and turning with multi-axis capabilities for high and low-volume runs. They also provide manual machining, metal fabrication, cutting, and grinding for diverse industries.

ashley@vulcantoolcompany.com+19372536194

Weco Manufacturing Group

wecomfg.com
Ontario, NY

Weco Manufacturing Group specializes in precision CNC machining services, offering prototype production, custom components, and high-volume operations with tight tolerances. Based in Ontario, NY with multiple facilities, they serve customers nationwide in industries such as optics, photonics, electronics, aerospace, medical, defense, and industrial manufacturing.

info@wecomfg.com+15852653000

Precision Machining & Fab

wefabmetal.com
Anaheim, CA

Based in Anaheim, CA, Precision Machining & Fab offers comprehensive CNC machining and fabrication services. Capabilities include precision CNC sheet metal, welding, waterjet, and laser cutting, along with assembly and kitting. They handle complex projects from quick prototypes to large-scale orders, holding ISO 9001:2015, AS 9100D, and ITAR certifications.

info@wefabmetal.com+18885389287

WessDel

wessdel.com
San Jose, CA

Based in San Jose, CA, WessDel offers custom machining services and high-precision manufacturing engineering. They operate a 24,000 sq ft facility, specializing in exotic metal machining, including AlBeMet and titanium. WessDel serves demanding industries such as aerospace, energy, national defense, semiconductor, and medical applications.

accounting@wessdel.com+14084966822

Frigate

frigate.ai
—

Frigate offers comprehensive CNC machining services including milling, turning, drilling, grinding, and Wire EDM for precision parts. Specializing in metalworking, they provide solutions for prototypes and production, supporting industries needing components like engine mounts, chassis parts, and high-strength fasteners.

manufacture+web@frigate.ai

Precision Machining Company, LLC

precisionmachiningtexas.com
Fort Worth, TX

Based in Fort Worth, TX, Precision Machining Company, LLC is a third-generation machine shop specializing in precision CNC Turning, Milling, and Swiss Machining. They produce accurate, intricately designed components adhering to strict tight tolerances for various industry applications. The company offers comprehensive turnkey manufacturing project support, from design to assembly.

you.admin@precisionmachiningtexas.com

ABS Machining

absmachining.com
—

Established in 1971, ABS Machining provides USA-based CNC machining services to Original Equipment Manufacturers (OEMs) across North America. The company specializes in precision manufacturing, delivering high-quality custom components. With a proven track record, ABS Machining serves various industrial applications.

+18442276224

Advance CNC

advancecnc.com
West Chester, OH

Advance CNC, based in West Chester, OH, offers ITAR registered and ISO certified CNC machining services. They specialize in high volume aluminum machining with 24/7 lights out automated production. Capabilities include specialized tooling, just-in-time delivery, and stocking programs for precision parts.

+16145393000

All-in Machining, LLC

allinmach.com
Tracy, CA

Based in Tracy, CA, All-in Machining, LLC provides comprehensive CNC machining services, including milling, turning, and rapid prototyping. They specialize in high-precision components with tight tolerances for industries such as Medical, Aerospace, Military/Defense, Automotive, and Robotics, serving both prototype and production needs.

+12098398672

Apex Machining

apex-machining.com
San Jose, CA

Based in San Jose, CA, Apex Machining is a contract manufacturer providing precision machining services. The company specializes in producing mission-critical and safety-critical components with complex geometries and difficult-to-machine materials. It serves as a strategic supplier to OEM's in Silicon Valley.

+14084411335

A.R. Machining Inc.

armachining.com
Hutto, TX

Based in Hutto, TX, A.R. Machining Inc. is a precision CNC Machine Shop, established in 1979. It provides prototype and production parts through precision lathe and milling services. The company works with various metals, serving the aerospace, medical, semiconductor, and energy industries.

+15127592003

Astro Machine Works

astromachineworks.com
Ephrata, PA

Based in Ephrata, PA, Astro Machine Works offers precision CNC machining services for complex parts. Specializing in high-accuracy production, their capabilities include 5-axis CNC machining, milling, and turning. The company utilizes cutting-edge technology and an expert team to meet precise specifications and industry standards.

+17177384281

AT Precision, Inc.

atprecision.com
Northbrook, IL

Based in Northbrook, IL, AT Precision, Inc. provides comprehensive CNC machining services including precision grinding, milling, cutting, turning, and drilling. They manufacture ongoing production runs of highly accurate parts from a wide variety of materials. The company operates 24 hours a day and offers reverse engineering capabilities.

+18475095848

Cadrex

cadrex.com
—

Cadrex offers extensive CNC machining services, utilizing more than 250 plastic and metal CNC machining centers strategically located across North America. Their expert designers and engineers work collaboratively, ensuring robust manufacturing solutions for various industrial needs.

+18303030056

C and C Machining LLC

cncmachiningllc.com
Haslet, TX

Based in Haslet, TX, C and C Machining LLC operates as a CNC machine shop providing quality parts. Their services include CNC machining, tooling, fixturing, and mechanical assembly. The company is noted for delivering precise components with an exceptionally quick turnaround at an affordable price.

+18173195450

Conroe Machine

conroemachine.com
Conroe, TX

Based in Conroe, TX, Conroe Machine provides precision machining, metalworking, and manufacturing services from its 65,000-square-foot facility. Capabilities include grinding, milling, turning, drilling, custom fabrication, and gundrilling. The company also offers repair and rework solutions for commercial operations across the US.

+19364942566

Cox Manufacturing Company

coxmanufacturing.com
San Antonio, TX

Based in San Antonio, TX, Cox Manufacturing Company is an ISO Certified screw machine shop. They offer custom, high-volume Swiss machining, CNC milling, turning, ultra-precision, and micro machining services. The company works with a wide range of materials, including various metals, plastics, and exotic alloys.

+18007521768

eMachineShop

emachineshop.com
Mahwah, NJ

Based in Mahwah, NJ, eMachineShop provides CNC machining services, offering precision milling and turning for metal and plastic parts. They handle both prototypes and production runs. The company also offers sheet metal fabrication, injection molding, 3D printing, and various surface finishing options.

+12019627511

East Texas Machine Works

etmworks.com
Longview, TX

Based in Longview, TX, East Texas Machine Works provides CNC machining services, specializing in large-part milling and turning. They offer turn-key supply chain solutions, alongside welding and fabrication. With over 50 years of experience, the company serves various industries from its manufacturing facilities.

+19037599796

GS Precision

gsprecision.com
Keene, NH

Based in Keene, NH, GS Precision specializes in precision machining services. Their diverse capabilities include CNC Swiss multi-axis lathes and extensive 5-Axis machining centers. They are a tier-one supplier for commercial and military aircraft, defense systems, and optical device markets, meeting mission-critical requirements for customers.

+18022575200

Halsey Manufacturing

halseymfg.com
Denton, TX

Based in Denton, TX, Halsey Manufacturing provides comprehensive CNC machining services. They specialize in high-precision metal and plastic fabrications, utilizing industrial CNC mills and lathes for turning and multi-axis machining. Offering services from prototype design and Mastercam programming to mass production, they ensure consistent and accurate part dimensions.

+19405663306

Howdy Owl

howdyowl.com
Lincoln, NE

Based in Lincoln, Nebraska, Howdy Owl offers custom CNC machining services, specializing in precision wood cutting. They provide accurate components for diverse needs, from DIY projects to larger-scale manufacturing, shaping materials to exact specifications with computer-controlled machinery. The company ships its specialized services nationwide.

+14028750450

Innovative Metal Designs

innovativemetals.com
Orange County, CA

Based in Orange County, CA, Innovative Metal Designs provides comprehensive CNC metal machining services. Specializing in precision CNC milling and turning, the company has served industrial clients since 1982. They offer custom part fabrication for a diverse range of applications across the Los Angeles area.

+17147996700

James Manufacturing, Inc.

james-manufacturing.com
Corsicana, TX

Based in Corsicana, TX, James Manufacturing, Inc. is an industrial machine shop and fabrication facility. The company provides a range of services including CNC milling and turning, general machining, custom fabrication, equipment repair, electrical, mechanical, and hydraulic work. They serve diverse industrial and commercial clients.

+19038726251

John Prosock Machine, Inc.

jprosock.com
Quakertown, PA

Based in Quakertown, PA, John Prosock Machine, Inc. is a custom CNC machining company established in 1982. They offer CNC milling, turning, prototyping, precision machining, and assembly services. The company focuses on meeting part specifications and deadlines while building lasting business relationships.

+12158040321

Mahuta Tool Corp.

mahutatool.com
Germantown, WI

Based in Germantown, Wisconsin, Mahuta Tool Corp. provides comprehensive CNC machining services, including turning, milling, multi-axis machining, and OD grinding. They also offer wire EDM, metal stamping, tooling, and fixtures. An ISO 9001:2015 certified company, they serve aerospace, automotive, medical, and military industries.

+12625024100

Method Manufacturing

methodmfg.com
Buda, TX

Based in Buda, TX, Method Manufacturing provides advanced precision CNC machining, including 5-axis milling for prototypes and production runs. Certified to AS9100 D and ISO 9001:2015, they serve Aerospace, Defense, Nuclear, Robotics, and Energy sectors. They integrate automation to deliver high-quality, mission-critical components.

+15129032600

Miller CNC

millercnc.com
Chula Vista, CA

Based in Chula Vista, CA, Miller CNC is an AS9100- and ISO9001-certified CNC machine shop specializing in precision hard metal and complex parts machining. They offer 3-axis and 5-axis milling and CNC turning for Inconel, titanium, and stainless steel components, serving aerospace, defense, and energy industries.

+16195019866

Moseys Production Machinists

moseys.com
Anaheim, CA

Based in Anaheim, CA, Moseys Production Machinists provides 24/7 CNC, precision, and Swiss machining services for parts 0.050″ to 24″. They work with diverse materials including aluminum, steel, titanium, and Inconel. The company serves industrial, aerospace, medical, and automotive industries, holding ISO 9001, AS 9100, and NADCAP certifications.

+15625565633

Panek Precision

panekprecision.com
Northbrook, IL

Based in Northbrook, IL, Panek Precision provides CNC machining, multi-spindle screw machining, and high precision machining services. The company also offers metal tube cutting, metal forming, 4-slide metal stamping, and assembly. They are ITAR Registered to support military and defense requirements.

+18472919755

Pinnacle Precision Sheet Metal

pinnaclemetal.com
Anaheim, CA

Based in Anaheim, CA, Pinnacle Precision Sheet Metal offers comprehensive CNC machining services, including milling, routing, and turning. They also provide precision sheet metal fabrication, encompassing cutting, punching, forming, welding, and grinding. The company provides precise parts and total assembly.

+17147773129

Portland Precision Manufacturing

ppmfg.com
Portland, OR

Based in Portland, OR, Portland Precision Manufacturing specializes in high precision CNC machining and turning services. They offer 5-axis machining for complex parts, producing custom prototypes and production runs with tight tolerances of ±0.0005” or better. The company is AS9100D & ISO 9001-2015 certified and ITAR registered.

+15032536700

Quality Machined Products and Manufacturing Inc.

qmpmachine.com
New Kensington, PA

Based in New Kensington, PA, Quality Machined Products and Manufacturing Inc. is a family-owned company specializing in precision CNC turning and screw machine parts since 1946. They provide custom CNC machining services utilizing Swiss turn and modern CNC equipment for complex parts with tight tolerances, working with various metals including steel and aluminum.

+17243392360

RCO Engineering

rcoeng.com
Roseville, MI

Based in Roseville, MI, RCO Engineering provides CNC machining and fabrication services, specializing in prototypes and low-volume production. Capabilities include 3, 4, and 5-axis milling, 7-axis turning, and EDM. They are ITAR registered and AS9100D with ISO 9001:2015 certified, serving aerospace, defense, and automotive industries.

+15867718400

Reader Precision Solutions

readerprecision.com
Elkhorn, WI

Based in Elkhorn, WI, Reader Precision Solutions specializes in precision machining, offering innovative solutions and mission-critical components. They utilize advanced technologies like Swiss CNC machines, CNC lathes, and mills, blended with traditional craftsmanship. The company provides CAD/CAM engineering services, committed to high-quality manufacturing for complex challenges.

+12627431700

SR Machining

srmachining.com
Norco, CA

Based in Norco, CA, SR Machining offers comprehensive in-house CNC machining services, including turning and milling. They work with diverse metals and plastics, serving industries like medical, aerospace, and industrial. The company is ISO 9001 and AS9100 certified, providing precision-machined components.

+19515209486

Superior Machining & Fabrication

superior-machining.net
—

Superior Machining & Fabrication provides full-service CNC machining with over 30 years of experience. With 100+ CNC work centers, it offers precision machining, milling, grinding, turning, and contract manufacturing. The company specializes in Aerospace, Energy, Defense, and Tooling industries, holding AS9100 quality certification.

+19407595066

Tamshell Precision Machining

tamshell.com
Corona, CA

Based in Corona, CA, Tamshell Precision Machining has specialized in custom precision machining since 1980. They provide high-quality parts and components from plastics and soft metals, serving various critical industries. The company focuses on accuracy and client specifications for industrial applications.

+19512729395

Texas Machining

texas-machining.com
Gastonia, NC

Based in Gastonia, NC, Texas Machining specializes in CNC and manual machining services, including 5-axis capabilities. They provide precision custom parts for the automotive, fiber optic, food, textile, and medical industries. The company handles prototypes, small quantity batches, and large production runs with expertise.

+17048611623

American Valmark Manufacturing

texascncmachining.com
Spicewood, TX

Based in Spicewood, TX, American Valmark Manufacturing offers precision CNC machining services, handling projects from prototype to production. Their comprehensive capabilities include CNC milling, CNC turning, grinding, polishing, metal finishing, water jet cutting, and laser cutting, serving industrial clients with diverse fabrication needs.

+15122640686

Texas Pipe Works Inc.

texaspipeworks.com
Longview, TX

Based in Longview and Navasota, TX, Texas Pipe Works provides custom CNC machining services for steel products. They specialize in machine-to-print manufacturing, offering extensive CNC turning, boring, threading, and milling capabilities for custom designs and specifications. The company also offers production sawing, part marking, and various coating services, serving diverse industrial needs.

+19032977833

The Federal Group USA

tfgusa.com
Bingham Farms, MI

Based in Bingham Farms, MI, The Federal Group USA provides precision CNC Machining services and rapid prototyping. They serve aerospace, automotive, and medical industries, processing materials including metals, woods, acrylics, foams, and thermoplastics. The company focuses on producing complex, high-accuracy machined parts.

+18007592658

USA Machine

usamachine.net
Lake Mary, FL

Based in Lake Mary, FL, USA Machine operates a CNC machine shop providing custom metal fabrication and precision manufacturing services. The company specializes in handling diverse machining needs quickly and efficiently. They offer comprehensive solutions for projects requiring high-quality CNC production.

+19726357404

CCT Precision Machining

cctprecision.com
—

CCT Precision Machining specializes in manufacturing tight tolerance custom parts, known for rapid delivery. The company provides direct CNC machining services, focusing on precision and efficiency. They are an ISO 9001 certified manufacturer, ensuring high-quality production for various industrial needs.

No contact on file

Parts Badger

parts-badger.com
Sun Prairie, WI

Based in Sun Prairie, WI, Parts Badger is an online CNC machine shop specializing in precision custom parts. They provide instant pricing and offer no order minimums, delivering components to exact customer designs in as little as seven days.

No contact on file

Proficient Machining Co.

proficientmachining.com
—

Proficient Machining Co. specializes in precision CNC machining and screw machine products. The company serves industrial clients in a wide range of sectors, providing high-quality manufactured components and parts.

No contact on file

Texas Contract Manufacturing Group

tcmgco.com
Austin, TX

Based in Austin, TX, Texas Contract Manufacturing Group specializes in precision machining services. They provide advanced solutions for manufacturing high-precision parts and custom tooling. The company emphasizes quality control, ensuring products meet high standards to fulfill diverse manufacturing needs.

No contact on file

Get all 129 companies with 88 emails, 123 phone numbers, and 129 website links

One-time $19.99 — no subscription, includes CSV download.

Didn't find the right companies?

Describe your ideal customer and we'll find them.

5 free results, no card needed.

Need a bigger or more targeted list?

We build custom contact lists for any industry, location or job title. From $300 for 3,000 company contacts, or $600 with named decision-makers. Free sample of 25 first.

Request a custom list

How to Choose a Company

  • Confirm their inspection equipment, such as Coordinate Measuring Machines (CMMs), optical comparators, and profilometers, and their internal calibration schedules match your parts' critical dimensions and GD&T requirements. Do not just ask if they can hold a tolerance, but how they verify it.
  • Demand clear processes for material lot control, heat treatment certifications, and a robust system for material traceability, especially when sourcing specific alloys like Inconel, Nitronic, or medical-grade titanium.
  • Inquire about their specific machine tool park. For high-volume, small-diameter parts, verify they operate Swiss-type lathes with live tooling. For complex, multi-sided geometries, confirm their 5-axis machining capabilities and experience with advanced post-processors.
  • For aerospace projects, AS9100 certification is often a baseline requirement. For medical devices, ISO 13485 is non-negotiable. If handling ITAR-controlled components, ensure the supplier is properly registered and has a robust compliance program.
  • Prioritize suppliers who offer proactive Design for Manufacturability (DFM) feedback early in the quoting process. A knowledgeable shop will suggest material alternatives, design tweaks to reduce machining time, or ways to improve part rigidity for tighter tolerances, rather than just quoting your print blindly.
  • Be wary of shops that return ultra-fast quotes on complex parts without asking any clarifying questions about critical features, surface finishes, or inspection methods. This often indicates a lack of thorough review or a potential for costly misunderstandings later on.
  • Evaluate their capabilities for secondary operations like deburring, passivating, anodizing, heat treating, or minor assembly. Consolidating these steps with a single vendor can significantly streamline your supply chain and reduce logistical complexities.

Supplier Types at a Glance

TypeBest ForTypical MOQ
Job ShopsPrototypes, low-volume production runs, custom one-off components, rapid iterations1-500 units
Contract ManufacturersHigh-volume production, recurring orders, assembly integration, complex supply chains500+ units, often 5,000+
Specialty Micro-MachiningSmall, intricate parts, extremely high precision (e.g., medical implants, optical components)10-10,000+ units
Aerospace/Defense FocusedITAR-controlled parts, AS9100-certified components, critical systems for demanding environmentsVaries (prototypes to high volume)

Frequently Asked Questions

What drawing formats do CNC machine shops prefer for quoting, and why?

Most shops prefer a 3D CAD model (e.g., STEP, Parasolid, SolidWorks native files) alongside a comprehensive 2D PDF drawing. The 3D model allows for direct import into CAM software for programming, facilitating accurate tool path generation. The 2D drawing, however, serves as the definitive legal document specifying critical dimensions, GD&T, surface finishes, and material callouts, preventing ambiguity in the manufacturing process.

How do I specify surface finish requirements accurately for my CNC machined parts?

Specify surface roughness values using standard notations like Ra (Roughness Average) in micro-inches or micrometers directly on your 2D drawing. It's also critical to apply distinct callouts for different surfaces if varying finishes are needed, such as a smooth Ra 32 finish on mating surfaces versus a rougher Ra 125 on non-critical exterior features. Clearly indicate any areas requiring specific finish treatment.

What’s the actual difference in capability between a 3-axis and 5-axis CNC machine for complex geometries?

A 3-axis machine can move along X, Y, and Z axes, typically requiring multiple setups to machine features on different faces of a complex part. A 5-axis machine adds two rotational axes, enabling it to machine intricate geometries, deep cavities, and undercut features in a single setup. This often results in superior accuracy, improved surface finish, and reduced cycle times for complex parts, despite generally incurring higher per-hour machine rates due to advanced capabilities and programming.

Why do shops ask for my annual volume even on prototype quotes?

Understanding your projected annual volume (PAV) helps a supplier determine the most appropriate long-term manufacturing strategy and potential investment in dedicated tooling or automation. For low-volume prototypes with high future potential, they might quote slightly higher initially but be willing to optimize tooling and processes for future cost reductions. For one-off prototypes with no future volume, they'll focus on efficient single-part production rather than long-term optimization.

How important are material certifications and traceability for general machining projects?

Material certifications (e.g., Mill Test Reports - MTRs) are crucial. They verify the chemical composition and mechanical properties of the raw material, ensuring it meets your specifications and performance requirements. Traceability, which links a specific raw material lot to your finished parts, is vital for quality control, root cause analysis, and regulatory compliance, particularly in regulated industries like aerospace, medical, or defense. Always specify if MTRs are required to accompany your parts.

What's DFM (Design for Manufacturability) and why should I care when sourcing CNC services?

DFM is the process of designing a part to optimize its manufacturing efficiency, reduce costs, and improve quality. A supplier providing strong DFM feedback can help you simplify geometries, reduce machining time, avoid costly features (like excessively deep, narrow pockets), select more suitable materials, or suggest tolerance adjustments that don't impact function but significantly reduce production expense. Engaging in DFM early with your chosen shop can prevent costly reworks and delays.

Related Directories