Electrical Enclosure Manufacturers

Last updated: January 2026

This directory lists 89 electrical enclosure manufacturers across the United States, from standard sheet metal fabricators to specialized providers of hazardous location enclosures.

Buyers are often solving for specific ingress protection needs, whether it's an outdoor NEMA 3R rating against rain and sleet, or a NEMA 4X stainless steel enclosure for washdown environments. They're also tackling issues like sophisticated thermal management for sensitive electronics and ensuring compliance with UL 50E standards.

The ecosystem includes job shops focused on simple bent box fabrication, specialized integrators who handle assembly and wiring, and larger players with in-house powder coating lines and extensive design engineering teams capable of complex EMI/RFI shielding solutions. Some excel in modular designs, others in custom welded constructions.

Buyers should arrive with detailed CAD files (STEP, DXF) specifying material (e.g., 5052 aluminum, 304 stainless), finish (e.g., RAL 7035 powder coat), and any required gland plates or mounting bosses. Suppliers expect clear specifications for environmental ratings and preferred lead times for both prototype and production runs.

A notable trend is the increasing demand for smart enclosures that integrate sensors for environmental monitoring (temperature, humidity) and predictive maintenance, alongside a push for more sustainable materials and energy-efficient thermal solutions. The shift towards IoT devices is driving a need for more compact, custom-fit designs with integrated antenna solutions.

Full listOne-time purchase · No subscription

Get contact details for all 89 electrical enclosure manufacturers

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

  • 64 verified email addresses
  • 79 direct phone numbers
  • 89 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

89 companies nationwide

Electronic Enclosures, Inc.

19rackmountchassis.com
Torrance, CA

Based in Torrance, CA, Electronic Enclosures, Inc. (EEi) designs, develops, and manufactures custom rack mount chassis for global OEM customers. With decades of expertise, EEi provides integrated design and manufacturing of production custom electronic enclosures. They specialize in mission and performance-critical systems, including those requiring redundant hot-swap power supplies.

inquiries@eei.email+13109442985

Arlington Industries

aifittings.com
—

Based in Scranton, PA, Arlington Industries is a long-standing manufacturer of quality electrical, communications, and home theater products. Operating since 1949, they produce various electrical components, likely including enclosures, which are distributed through a network of local representatives.

sales@aifittings.com+18002334717

Allied Moulded Products, Inc.

alliedmoulded.com
Bryan, OH

Based in Bryan, OH, Allied Moulded Products, Inc. manufactures quality nonmetallic products for the electrical industry. Specializing in industrial fiberglass and polycarbonate enclosures, the company also produces residential electrical boxes and various enclosure accessories, serving customer needs since 1958.

alliedproducts@alliedmoulded.com+18007222679

All Spec Sheet Metal Inc

allspecsheetmetal.com
Pittsburg, CA

Based in Pittsburg, CA, All Spec Sheet Metal Inc. is a full-service sheet metal fabrication shop. They specialize in manufacturing a diverse range of products, including electrical enclosures, cabinets, and custom components. Their services encompass CNC punching, laser cutting, forming, welding, and powder coating for various industrial sectors.

sales@allspecsheetmetal.com+19254274900

Alum Works

alumworks.com
Salt Lake City, UT

Alum Works, based in Salt Lake City, UT, provides custom fabrication and machining services. Specializing in precision CNC machining and sheet metal fabrication, they manufacture custom enclosures, chassis, and assemblies. Serving industrial, aerospace, and medical sectors, the company delivers tailored solutions for component and housing needs.

info@alumworks.com+18183949322

AMCO Enclosures

amcoenclosures.com
Des Plaines, IL

AMCO Enclosures, an IMS Engineered Products Brand, specializes in manufacturing custom data center network racks, server racks, and electronics rack enclosure solutions. Based in Des Plaines, IL, the company provides custom fabrication from its ISO9001 certified 290,000 sq. ft. facility, delivering tailored enclosures for various industrial applications.

sales@amcoenclosures.com+18473918100

American Teledata

americanteledata.com
—

American Teledata manufactures Rhino Series enclosures designed for remote deployment of network electronics, power supplies, and RF components. These enclosures support broadband node locations, providing robust housing for critical infrastructure. They specialize in durable solutions for telecommunications and network equipment protection.

sales@americanteledata.com+18663423721

APG Vision, LLC

apgvision.com
—

Based in Allison Park, PA, APG Vision, LLC manufactures specialized electrical enclosures. They provide NEMA 4X, food-grade, corrosion-resistant, and explosion-proof vision enclosures, as well as liquid-cooled and lighting enclosures. The company also offers custom assembly services for various industrial applications.

sales@apgvision.com+14124878211

Approved Sheet Metal

approvedsheetmetal.com
Hudson, NH

Approved Sheet Metal (ASM), based in Hudson, NH, provides custom precision sheet metal fabrication services. They specialize in prototype and low-volume production of custom sheet metal enclosures and parts, handling volumes up to 5,000 units. Working with steel, aluminum, and stainless steel, ASM offers fast quotes and expedited delivery.

info@approvedsheetmetal.com+16038831510

APX Enclosures

apx-enclosures.com
—

Based in Greencastle, PA, APX Enclosures specializes in manufacturing custom NEMA 3R and 4X electrical enclosures. They focus on producing solutions tailored to meet unique customer specifications and requirements for various applications.

info@apx-enclosures.com+17173289399

Hubbell Power Systems

armorcastprod.com
Boonton, NJ

Hubbell Power Systems manufactures a wide range of products for transmission, distribution, substation, OEM, and telecommunications sectors. The company supports utilities worldwide with solutions that help generate, transmit, and distribute power, offering a variety of components for these systems.

hpscs@hubbell.com+15736825521

Box Enclosures, Inc.

boxenclosures.com
Libertyville, IL

Based in Libertyville, IL, Box Enclosures, Inc. designs and manufactures injection molded plastic and custom fabricated enclosures. They provide off-the-shelf and custom handheld electronic enclosures, offering services like marking, printing, drilling, and machining to meet diverse industrial application needs.

sales@boxenclosures.com+18479324700

Bud Industries

budind.com
Phoenix, AZ

Based in Phoenix, AZ, Bud Industries specializes in manufacturing custom electrical enclosures and customized cabinet racks. The company provides design support for tailored enclosure solutions, catering to diverse industries that require robust and precise electrical housing for their equipment.

saleseast@budind.com+14409463200

Bull Metal Products, Inc.

bullmetal.com
Middletown, CT

Based in Middletown, CT, Bull Metal Products, Inc. is a custom sheet metal manufacturer specializing in metal enclosures, cases, cabinets, and toolboxes since 1954. They craft premium metal products, including electrical enclosures, for OEM manufacturers of various products from their 50,000+ sq ft facility.

sales@bullmetal.com+18603469691

Automation And Control Solutions

ca-acs.com
Stockton, CA

Based in Stockton, CA, Automation And Control Solutions specializes in designing, building, and integrating custom industrial control panels and electrical enclosures. They offer UL-certified manufacturing services for applications including PLC/HMI and hazardous location solutions. Serving diverse sectors like food & beverage, water/wastewater, chemical processing, and oil & gas.

info@ca-acs.com+12099321760

CABRAC, Inc.

cabrac.com
Pacoima, CA

Based in Pacoima, CA, CABRAC, Inc. designs and manufactures custom electronic enclosures, cabinets, and racks. An AS-9100D and ISO-9001:2015 certified company, they provide standard, EMI/RFI shielded, and ship board mounted enclosures. CABRAC serves leaders in the defense and commercial industries.

customerservice@cabrac.com+18188340177

Custom Design Enclosures

cdecases.com
Palmdale, CA

Based in Palmdale, CA, Custom Design Enclosures specializes in the manufacturing of custom enclosures. The company provides comprehensive design services to create tailored solutions, ensuring products meet specific client requirements. They serve industrial and commercial customers seeking direct providers of high-quality enclosure fabrication.

info@cdecases.com+16615263311

Charles Industries

charlesindustries.com
Schaumburg, IL

Based in Schaumburg, IL, Charles Industries manufactures robust fiber and metallic electrical enclosures and cabinets. They specialize in protecting active and passive electronics, batteries, and communications infrastructure for challenging outside plant and data center environments. Leveraging over 50 years of experience, Charles Industries provides reliable, weather-resistant housing solutions.

quotes@charlesindustries.com+18478066300

Creative Metal Products Inc.

creativemp.com
—

Creative Metal Products Inc. is an American metal fabricator specializing in custom electrical enclosures. They provide UL Type 1, 3R, and Type 12 enclosures, adhering to NEMA standards, from prototype to high-volume production. Their capabilities include robotic welding, cutting, punching, precision forming, and powder coating for diverse industries.

info@creativemp.com+19208867370

Dalsin Industries

dalsinind.com
Bloomington, MN

Based in Bloomington, MN, Dalsin Industries specializes in custom metal fabrication, producing NEMA electrical enclosures, cabinets, shrouds, housings, and boxes. They work with a variety of metals to deliver tailored solutions for diverse industrial applications. The company offers comprehensive manufacturing services.

support@modxcloud.com+18002582260

DDB Unlimited

ddbunlimited.com
Pauls Valley, OK

Based in Pauls Valley, OK, DDB Unlimited manufactures ISO 9001 NEMA-rated outdoor electrical enclosures. They provide fully loaded, field-ready solutions like their 5G Series and Battery Box Enclosures, featuring HVAC climate control, battery support, and security. These aluminum enclosures protect sensitive equipment in extreme environments.

sales@ddbunlimited.com+18007538459

DeWys Metal Solutions

dewys.com
Marne, MI

DeWys Metal Solutions is a USA-based, family-owned metal fabrication company with over 47 years of experience. They specialize in custom electronic enclosures and electrical components. Capabilities include OEM precision sheet metal fabrication, forming, bending, laser cutting, and turret punching, serving a wide range of industries.

marketing@dewysmfg.com+16166775281

Ehmcke Sheet Metal Corp.

ehmckesheetmetal.com
National City, CA

Based in National City, CA, Ehmcke Sheet Metal Corp. provides custom sheet metal fabrication, shearing, and forming services. They work with diverse metals including aluminum, steel, copper, and brass, utilizing advanced equipment like laser and plasma cutters. The company manufactures sheet metal parts for industrial applications.

ehmcke@ehmckesheetmetal.com+16194776484

Emcor Enclosures

emcorenclosures.com
Rochester, MN

Based in Rochester, MN, Emcor Enclosures manufactures high-quality cabinets, enclosures, and cage solutions for mission-critical applications. They protect sensitive electronics and communications technology, offering standard and custom products. The company serves diverse markets such as test & measurement, aerospace, defense, data centers, and medical.

emcorenclosures@emcorenclosures.com+15072873535

Enclosure Fabrication

enclosurefabrication.com
Humble, TX

Based in Humble, TX, Enclosure Fabrication provides custom sheet metal fabrication. They specialize in manufacturing custom-built NEMA enclosures, steel and metal frames, switch racks, and wireways. All products are designed and produced in-house to precise client specifications, using materials like aluminum, mild steel, and stainless steel.

robert@enclosurefabrication.com+12819161314

Enclosure Industries

enclosureindustries.com
Ashippun, WI

Based in Ashippun, WI, Enclosure Industries specializes in custom-built NEMA enclosures, consoles, and cabinets from mild and stainless steel. This UL certified manufacturer serves OEMs, electrical manufacturers, and industrial sectors. With over 30 years of experience, they provide reliable solutions and in-house metal fabrication.

sales@enclosureindustries.com+19204744421

Equipto Electronics, Corp.

equiptoelec.com
Aurora, IL

Based in Aurora, IL, Equipto Electronics, Corp. specializes in manufacturing EMI and RFI shielded heavy-duty enclosures. They offer product lines in vertical rack and sloped front console configurations, including 15 and 30-degree options for diverse electronic applications requiring robust protection.

engineering@equiptoelec.com+18002047225

ESL Power Systems, Inc.

eslpwr.com
Corona, CA

ESL Power Systems, Inc. designs and manufactures custom-engineered electrical solutions for various industries. Based in Corona, CA, the company specializes in producing robust power distribution equipment, safety-interlocked reefer outlets, and fused disconnect cabinets. They apply deep engineering expertise to deliver uncompromising quality and reliability in their tailored electrical products.

info@eslpwr.com+18009224188

Ex Industries

exindustries.com
Yorba Linda, CA

Based in Yorba Linda, CA, Ex Industries specializes in manufacturing custom electrical panels, industrial control panels, and sub-panels. They provide UL 508A and UL 698A certified solutions, offering design, fabrication, wiring, and integration services for industrial and commercial clients.

sales@exindustries.com+17144532401

EXM Manufacturing Ltd.

exmweb.com
—

EXM Manufacturing Ltd. is an electrical enclosure manufacturer with operations in Canada, the USA, and China. The company specializes in producing a wide range of electrical enclosures, including wallmount, free-standing, and pull box designs for various industrial applications.

sales@exmweb.com+18003632423

RLH Industries, Inc.

fiberopticlink.com
Orange, CA

Based in Orange, CA, RLH Industries, Inc. designs and manufactures fiberglass enclosures for telecommunications and fiber optic equipment. These enclosures feature fire-retardant treated plywood backboards for easy field installation. The company's capabilities include engineering and providing complete solutions with related equipment and cable.

info@fiberopticlink.com+18008771672

Fibox USA

fiboxusa.com
—

Fibox USA manufactures durable NEMA 4X and 6P polycarbonate electrical enclosures designed for harsh environments. The company specializes in UV-resistant, waterproof, and customizable solutions, offering high-quality protection for sensitive electrical components in industrial and commercial applications.

sales.usa@fibox.com+18883426987

Hardcraft Industries, Inc.

hardcraft.com
San Jose, CA

Hardcraft Industries, Inc. is a precision sheet metal fabrication company based in San Jose, CA. They specialize in manufacturing custom components including electrical enclosures, cabinets, chassis, and panels. Their comprehensive services encompass laser cutting, punching, forming, welding, and assembly for various industrial applications.

info@hardcraft.com+14084323240

Highland Machine

highlandmachine.com
Highland, IL

Based in Highland, IL, Highland Machine specializes in custom metal enclosures and sheet metal fabrication. Capabilities include cutting, grinding, drilling, in-house engineering, powder coating, and assembly. The ISO 9001:2015 certified company provides consistent, high-quality products and prototyping services for diverse custom fabrication needs.

info@highlandmachine.com+16186542103

ICEqube, Inc.

iceqube.com
—

Based in Greensburg, PA, ICEqube, Inc. manufactures expertly designed climate control and enclosure solutions for critical applications. They provide robust electrical enclosures through their IndustriQUBE® and NetworkQUBE® lines, serving diverse industries such as telecom, oil and gas, energy, industrial automation, and pharmaceuticals. The company emphasizes quality, custom solutions, and quick lead-times.

sales@iceqube.com+18888678234

Industrial Electronic Controls, LLC

industrialelectroniccontrols.com
Commerce, CA

Based in Commerce, CA, Industrial Electronic Controls, LLC manufactures custom electrical control panels and electro-mechanical assemblies. The company specializes in UL 508A certified panels and offers custom enclosure fabrication, panel wiring, component mounting, and wire harness assembly services for industrial applications.

service@industrialelectroniccontrols.com+13237250246

Legrand US

legrand.us
—

Legrand US manufactures electrical enclosures and digital building infrastructure. They produce low-profile, Wi-Fi transparent ABS plastic enclosures for structured wiring under their On-Q brand. The company also offers electrical components for safe, secure data centers, focusing on sustainable product design and energy management.

legrand.cs@legrand.us+18772953472

LEX Products

lexproducts.com
Shelton, CT

Based in Shelton, CT, LEX Products specializes in manufacturing durable and reliable electrical distribution boxes. These products, ranging from 20-800 Amps, are known for their unprecedented durability, safety, and reliability across various power applications.

orders@lexproducts.com+18006434460

Machine Enclosure

machineenclosure.com
Orange, CA

Based in Orange, CA, Machine Enclosure specializes in custom manufacturing machine enclosures, electrical enclosures, and control panels. The company offers comprehensive fabrication, welding, and assembly services, providing custom-designed solutions for industrial specifications.

sales@machineenclosure.com+18334362567

Martin Enclosures

martinenclosures.com
Seabrook, NH

Based in Seabrook, NH, Martin Enclosures designs and manufactures custom server racks, cabinets, and power distribution enclosures. The company specializes in solutions for mission-critical data center environments, offering extensive customization options from concept to completion.

sales@martinenclosures.com+16034742626

MEKCO, INC.

mekco.com
Newton, WI

Based in Newton, WI, MEKCO, INC. custom manufactures durable fiberglass enclosures. They offer 100% customizable solutions for various industrial and commercial applications, including outdoor use, onsite systems, and storage units. MEKCO's products are designed for longevity, blending aesthetics with robust functionality to meet diverse enclosure needs.

build@mekco.com+19206965570

METCASE USA

metcaseusa.com
—

Based in Bridgeville, PA, METCASE USA manufactures high-quality aluminum enclosures for diverse electronics equipment. Specializing in instrument enclosures, 19-inch rack mount, HMI, and wall mount cases, the company provides fully customized and bespoke sheet metal components, serving modern OEM electronics equipment.

sales@metcaseusa.com+18009659872

Milbank

milbankworks.com
Kansas City, MO

Milbank manufactures a comprehensive line of commercial electrical enclosures, including junction boxes, transformer cabinets, and telephone cabinets. Based in Kansas City, MO, they offer a full gamut of styles and sizes to meet diverse application requirements.

info@milbankworks.com+18774835314

NEMA Supply

nemasupply.com
Marietta, GA

Based in Marietta, GA, NEMA Supply designs and fabricates durable electrical enclosures. They offer NEMA-rated, custom, stainless steel, and aluminum enclosures. These products protect sensitive components from harsh environmental conditions like rain, dust, and UV exposure, serving diverse industrial applications with robust solutions.

info@nemasupply.com+18777876162

New Age Enclosures

newageenclosures.com
Santa Maria, CA

Based in Santa Maria, CA, New Age Enclosures manufactures custom and off-the-shelf plastic electronic enclosures using injection molding. They provide extensive customization services, including CNC cutouts, direct part marking, and custom colors. This AS9100 certified company delivers high-quality, market-ready enclosure solutions for diverse industries.

customerservice@newageenclosures.com+18554263625

OKW Enclosures

okwenclosures.com
—

Based in Bridgeville, PA, OKW Enclosures manufactures a comprehensive range of IP-rated enclosures for demanding OEM electronics applications. They provide diverse enclosure types including handheld, wall-mount, instrument, and industrial designs. The company also offers machining services for customization.

info@okw.com+18009659872

PEKO Precision Products

pekoprecision.com
—

PEKO Precision Products is a vertically integrated contract manufacturer providing custom sheet metal fabrication services. They produce bespoke enclosures, cabinets, sub-racks, and metal chassis for complex electromechanical machinery and precision assemblies. Serving industries such as renewable energy, medical, and defense, PEKO offers tailored solutions.

sales@pekoprecision.com+15855376060

Phoenix USA, Inc.

phoenixusa.com
Cookeville, TN

Phoenix USA, Inc. manufactures a range of industrial enclosures and related components. The company produces junction boxes and compact operator boxes, offering these solutions with prefab brackets for various applications. Based in Cookeville, TN, Phoenix USA emphasizes continuous product research and development to provide high-quality offerings for its commercial and industrial clientele.

cs2@phoenixusa.com+18007868785

Power Assemblies

powerassemblies.com
Henderson, NV

Power Assemblies is a CSA approved manufacturer based in the USA, with locations on both the east and west coasts. They specialize in custom power assemblies and distribution solutions for commercial and industrial applications, offering robust electrical manufacturing services. A proud member of The Vital Electric Supply Group.

sales@powerassemblies.com+18775975787

Power Distribution & Controls

pwrdc.com
Brea, CA

Based in Brea, CA, Power Distribution & Controls is a custom electrical control panel manufacturer. They specialize in electrical and process control systems, automation, and SCADA solutions. Their services include engineering, design, panel assembly, wiring, and UL 508A & UL 698A certification.

roland@pwrdc.com+15625849045

Quest Manufacturing

questmanufacturing.net
Medley, FL

Quest Manufacturing produces a variety of floor and wall mount electrical enclosures, featuring designs with vented steel meshed doors, removable panels, and honeycomb mesh. They also offer specialty enclosures for DVR security and home theater applications, alongside cable trays, racks, and power distribution units.

contact@qtinet.com+18002801067

RackmountNet

rackmountnet.com
Fremont, CA

RackmountNet offers OEM/ODM services for custom rackmount chassis and electrical enclosures, specializing in mechanical and system design. Based in Fremont, CA, they provide comprehensive production management and quality control for industrial PCs and embedded systems. Serving various industries like telecom, networking, and industrial automation, RackmountNet delivers tailored rackmount solutions.

sales@jafint.com+18885232425

Serpac

serpac.com
La Verne, CA

Based in La Verne, CA, Serpac manufactures rugged, waterproof plastic electronic enclosures for harsh environments. Their products meet industry standards, including IP67, Nema 4X, and UL 508A. The company specializes in high-quality, made-in-USA enclosure solutions for various applications.

sales@serpac.com+16263310517

SLAYSON

slayson.com
—

SLAYSON manufactures Commercial Off The Shelf (COTS) NEMA 6, NEMA 6P, and IP67/IP68 submersible enclosures. They produce stainless steel, aluminum, brass, and polyurethane enclosures designed to protect vital electrical hardware and control systems globally, offering standard series and modification services.

sales@slayson.com+16195866020

Solarcraft Inc.

solarcraft.net
Sugar Land, TX

Based in Sugar Land, TX, Solarcraft Inc. designs and builds high-quality engineered metal enclosures for powering and sheltering field-based automation. Established in 1994, they offer standard and build-to-order electrical enclosures, battery racks, and switch racks. Services include complete in-house engineering and fabrication.

careers@solarcraft.net+18773401224

South Coast Controls

southcoastcontrols.com
Anaheim, CA

Based in Anaheim, CA, South Coast Controls designs and manufactures industrial control panels, custom control panels, and lighting control panels. They also offer electrical enclosure modification services. Additional capabilities include PLC, HMI, SCADA programming, and robot integration, serving diverse industrial applications.

sales@southcoastcontrols.com+18885564869

Stahlin Enclosures

stahlin.com
Belding, MI

Based in Belding, MI, Stahlin Enclosures manufactures premium fiberglass, polycarbonate, and PVC non-metallic enclosures. These durable products are engineered for diverse indoor and outdoor applications, serving industries like solar, wastewater treatment, and electrical equipment manufacturing. All enclosures are made in the USA and comply with NEMA, UL/CSA, and IEC standards.

csr@robroyenclosures.com+18003992761

STI Global

sti-global.com
Waterford, MI

Based in Waterford, MI, STI Global manufactures durable polycarbonate enclosures designed to protect a wide range of electrical devices, components, and instruments. Their lockable solutions prevent tampering, accidental activation, and vandalism for keypads, annunciators, and automated systems in various commercial and industrial settings.

sales@sti-usa.com+12486739898

Tesco Controls, Inc.

tescocontrols.com
Baton Rouge, LA

This original equipment manufacturer (OEM) specializes in designing, manufacturing, and integrating electrical and process control systems. They provide full-service solutions for diverse applications, including water, wastewater, transportation, lighting, and renewable energy sectors.

sales@tescocontrols.com+18009483726

Davenport Manufacturing Group

thedmgusa.com
Fort Wayne, IN

Davenport Manufacturing Group (DMG) is a Fort Wayne, IN-based US manufacturer specializing in custom metal fabrication and electrical enclosures. With 32 years of experience, they provide comprehensive design, engineering, fabrication, and assembly capabilities for OEM solutions, serving diverse industrial sectors.

quotes@thedmgusa.com+12604951818

Weidmuller

weidmuller.com
Richmond, VA

Weidmuller manufactures flexible distribution boxes for reliable, decentralized signal and power transmission. These electrical enclosures meet protection class IP67, providing robust solutions for industrial applications, alongside a range of connectivity products.

customerservice@weidmuller.com+18047942877

nVent

nvent.com
Campbellsburg, KY

Based in Campbellsburg, KY, nVent manufactures systems for safely protecting electronic controls and mission-critical electrical systems. The company provides electrical connection and protection solutions, including industrial enclosures, switchgear, bus systems, substation control buildings, and large-scale electrical equipment enclosures.

anonymous@coveo.com

Power Distribution & Control, Inc.

pdctraffic.com
Wheatland, CA

Based in Wheatland, CA, Power Distribution & Control, Inc. specializes in custom control panel manufacturing, including UL 508A certified panels and custom NEMA electrical enclosures. They provide comprehensive electrical solutions, system integration, and automation services for diverse industrial clients.

eddie@pdctraffic.com

Saginaw Control and Engineering

saginawcontrol.com
Saginaw, MI

Saginaw Control and Engineering manufactures a wide range of electrical enclosures designed to meet various NEMA standards, including Type 1, 3, 3R, 3S, 4, and 4X. The company provides detailed product catalog information on NEMA compliance for each part.

sce@saginawcontrol.com

Automation Electronics

automationelectronics.com
Chatsworth, CA

Automation Electronics, based in Chatsworth, CA, designs and manufactures custom electrical enclosures, industrial control panels, and automation systems. They specialize in building solutions compliant with UL 508A and NEMA standards, offering comprehensive services from engineering to fabrication and assembly for diverse industrial applications.

+18189985124

Bison Profab

bisonprofab.com
Magnolia, TX

Based in Magnolia, TX, Bison Profab manufactures NEMA-rated electrical enclosures from steel, stainless steel, sheet metal, and aluminum. The company specializes in custom solutions to fit specific customer needs, offering a wide range of NEMA types including 1, 3R, 4, 4X, and 12, with various mounting options.

+12813560026

Chatsworth Products

chatsworth.com
—

Chatsworth Products designs and manufactures integrated cabinet systems, wall-mount cabinets, and wireless enclosures. They optimize space, power, and cooling for high-density data centers, AI, and HPC deployments. The company also produces secure enclosures for wireless access points and devices, delivering reliable performance in various environments.

+18008344969

Crown Technical Systems

crowntechnicalsystems.com
Fontana, CA

Based in Fontana, CA, Crown Technical Systems manufactures and integrates protective electrical enclosures, relay panels, and switchgear. They design reliable power distribution products, including control enclosures, for critical infrastructure. The company serves utilities, data centers, renewables, industrial, and transport sectors, ensuring safety and efficiency.

+19513324170

EMF Company

emfcompany.com
—

EMF Company manufactures custom NEMA-rated electrical enclosures from stainless steel, aluminum, or carbon steel. They provide extensive customization, including powder coating, insulation, precise machining for cutouts, and various accessories. Their durable enclosures meet UL/c-UL, CE, IP66, and RoHS compliance for controls and electronic assemblies.

+12143506848

ETA Enclosures USA

etaenclosures.com
Cumming, GA

Based in Cumming, GA, ETA Enclosures USA manufactures custom and standard electrical enclosures. They provide durable solutions, including stainless steel enclosures for food and beverage processing, alongside wall-mounted, freestanding, and modular cabinets. Utilizing state-of-the-art production technologies, ETA serves diverse industrial requirements.

+19378004211

EVS Metal

evsmetal.com
Riverdale, NJ

Based in Riverdale, NJ, EVS Metal provides precision sheet metal fabrication, machining, welding, and assembly. The company designs and builds UL certified Type 1 508A electrical enclosures, offering custom fabrication solutions for diverse industries from its US facilities.

+18889387638

Hallmark Metals Inc.

hallmarkmetals.com
Glendora, CA

Hallmark Metals Inc. based in Glendora, CA, is an AS9100D certified full-service sheet metal fabrication facility. They specialize in rapid prototyping and short-run production of custom metal components like electronic enclosures, circuit board housings, cabinets, and chassis. Serving aerospace, automotive, electronics, and medical industries.

+16263351263

Hammond Manufacturing

hammfg.com
Cheektowaga, NY

Hammond Manufacturing specializes in producing a comprehensive range of standard and custom electrical enclosures, electronic enclosures, racks, cabinets, and transformer products. With US manufacturing facilities, they provide robust solutions for protecting sensitive equipment across various industrial and commercial applications.

+15198222960

Integra Enclosures

integraenclosures.com
Mentor, OH

Based in Mentor, OH, Integra Enclosures manufactures high-quality electrical enclosures for various applications. They specialize in marine-friendly waterproof enclosures designed to protect apparatuses in wet and submerged environments, meeting and surpassing NEMA 6P standards. Integra Enclosures provides robust protection solutions for industrial and commercial sectors.

+14402694966

Lansing Enclosures

lansing-enclosures.com
Ithaca, NY

Based in Ithaca, NY, Lansing Enclosures manufactures standard and custom aluminum electronic enclosures. Their GrayBox and MicroPak lines offer ready-to-ship stock or configurable options, including custom dimensions and branding. Engineered for performance and value, these enclosures serve diverse industrial and outdoor applications, featuring robust IP ratings up to IP68.

+16072723265

Midwest Metal Fabrications

mwmetalfab.com
Tallmadge, OH

Based in Tallmadge, OH, Midwest Metal Fabrications manufactures standard and custom NEMA electrical enclosures, traffic cabinets, and control boxes. They offer comprehensive metal fabrication services, including laser cutting, press breaking, welding, CNC machining, and finishing. The company serves OEMs, engineers, and industrial teams.

+13306330191

Myers Power Products

myerspower.com
Lakewood, WA

Based in Lakewood, WA, Myers Power Products designs and manufactures custom Power Distribution Centers. Their in-house engineering team develops state-of-the-art electrical equipment and systems, providing tailored electrical enclosures for diverse industrial and commercial applications.

+19099231800

NEMA Enclosures

nemaenclosures.com
Houston, TX

Based in Houston, TX, NEMA Enclosures manufactures custom and standard industrial electrical enclosures. They specialize in NEMA, IP, IECEX, ATEX, UL, and C-UL listed enclosures, ensuring compliance with various protection ratings. Utilizing carbon steel, stainless steel, and aluminum, they build enclosures tailored to equipment specifications.

+18886362269

Pepro LLC

peprollc.com
—

Based in Oil City, PA, Pepro LLC manufactures patented EMP and EMI shielded enclosure systems. These secure, deployable solutions are designed for mission-critical and remote communication needs, providing robust radio sites. The company specializes in ensuring reliability and failure-free operation for various industrial applications since 1992.

+18146765688

Polycase

polycase.com
Avon, OH

Based in Avon, Ohio, Polycase is a US manufacturer of plastic and metal electronic enclosures. They produce UL & cUL Listed and NEMA/IP rated electrical enclosure boxes designed to protect sensitive equipment. The company offers custom modification services including CNC machining, digital printing, and EMI/RFI shielding.

+14409340444

Premier Enclosure Systems

premierenclosuresystems.com
Ontario, CA

Based in Ontario, CA, Premier Enclosure Systems manufactures custom electrical enclosures. They specialize in NEMA and IP rated enclosures, control panels, and junction boxes using stainless steel, aluminum, and mild steel. Capabilities span laser cutting, forming, welding, powder coating, machining, and assembly for diverse client specifications.

+18007679378

Steel Products International

steelproducts.biz
Los Angeles, CA

Steel Products International, based in Los Angeles, CA, operates as a versatile manufacturing arm for various businesses. They offer engineering design and handle projects from small prototypes to high production runs. Serving computer/electronics, telecommunications, medical, industrial manufacturing, lighting, and equipment control sectors, they provide flexible manufacturing solutions.

+13105232002

Adalet

adalet.com
—

Adalet manufactures industrial enclosure systems and cable accessories for hazardous and general locations. With almost 100 years of experience, the company produces a variety of explosion-proof fittings and enclosure types, backed by ISO 9001 certified manufacturing.

No contact on file

Appleton

appleton.emerson.com
Rosemont, IL

Appleton, an Emerson brand, manufactures a comprehensive line of explosionproof, dust-ignitionproof, and watertight electrical enclosures. Based in Rosemont, IL, the company provides durable enclosures designed to house electrical components, protecting sensitive equipment in harsh and hazardous industrial environments.

No contact on file

ABB Electrification U.S.

electrification.us.abb.com
San Diego, CA

ABB Electrification U.S. manufactures dependable electrical enclosures, including Steel City® electrical boxes and covers, for industrial and commercial applications. Products are made in Athens, Tennessee, ensuring quality and fast installation for long-term reliability. The company provides essential electrification solutions across the United States.

No contact on file

FactoryMation

factorymation.com
Spokane, WA

FactoryMation, based in Spokane, WA, manufactures and supplies high-quality modular electrical enclosures. These enclosures are specifically designed to protect sensitive electrical equipment and withstand harsh conditions, offering durable and reliable solutions for industrial and commercial applications. The company focuses on providing robust protection with efficient shipping.

No contact on file

Functional Devices

functionaldevices.com
Sharpsville, IN

Based in Sharpsville, IN, Functional Devices manufactures control panel enclosures for critical equipment. These components feature numerous knockouts and offer versatile installation, allowing vertical or horizontal stacking. The company provides reliable solutions for securing electrical systems in industrial and commercial applications.

No contact on file

Hubbell Incorporated

hubbell.com
Shelton, CT

Hubbell Incorporated manufactures electrical enclosures, including junction and terminal boxes, for critical infrastructure. Established in 1888, the company provides a selection of products for various electrical applications. They focus on delivering reliable, engineered solutions from their US facilities.

No contact on file

Schneider Electric USA

se.com
—

Schneider Electric USA is a leading manufacturer of universal electrical enclosures designed to house and protect electrical equipment. They provide robust, secure, and high-quality solutions to ensure controlled operating conditions for various industrial and commercial applications across the United States.

No contact on file

Get all 89 companies with 64 emails, 79 phone numbers, and 89 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

  • Verify their proven track record and testing capabilities for the specific NEMA or IP rating required (e.g., NEMA 4X for corrosion resistance, IP67 for temporary immersion), not just stating they can achieve it.
  • Confirm their experience with your desired material, whether it's 304/316 stainless steel for food processing, powder-coated aluminum for lightweight outdoor applications, or fiberglass reinforced polyester (FRP) for non-metallic requirements.
  • Ensure they possess the necessary fabrication equipment for your design, such as CNC laser cutters for precision custom cutouts, press brakes for consistent bending, or robotic welding for complex assemblies.
  • For regulated industries, insist on current UL 50/50E or CSA certifications for enclosures, or ATEX/IECEx compliance if hazardous location ratings (e.g., Class I, Div 2) are critical for your end market.
  • If your electronics generate significant heat, assess their ability to integrate effective thermal solutions like filtered fans, air conditioners, or heat exchangers, and provide CFD analysis if needed to prevent hot spots.
  • Be wary of manufacturers who provide firm quotes for custom enclosure work without reviewing detailed mechanical drawings (STEP, DXF) and understanding critical tolerances, as this often leads to costly change orders and fitment issues.
  • Evaluate their in-house or partner finishing processes, like specific types of powder coating (e.g., UV-resistant, textured), anodizing, or chemical film conversion, to ensure durability and aesthetic consistency for the enclosure's lifespan.

Frequently Asked Questions

What's the real difference between NEMA and IP ratings, and which should I prioritize for my electrical enclosure?

NEMA (National Electrical Manufacturers Association) ratings are primarily used in North America and cover a broader range of protection, including environmental hazards, corrosion, and ice formation. IP (Ingress Protection) ratings, defined by IEC 60529, specify protection against solids and liquids only. For most North American applications, NEMA is the go-to, but if exporting internationally, IP ratings are often required. Prioritize NEMA if your primary market is the US/Canada, and ensure the manufacturer can provide enclosures tested to the relevant NEMA standard (e.g., NEMA 12 for indoor dust/drip, NEMA 4 for outdoor washdown).

When should I opt for a custom fabricated electrical enclosure instead of a standard off-the-shelf option?

Custom fabrication is ideal when off-the-shelf enclosures don't meet specific footprint constraints, aesthetic demands, thermal management needs, or precise component mounting requirements. If you need unique custom cutouts for HMI screens, custom gland plates, specific internal mounting brackets, or a precise NEMA 4X stainless steel enclosure, a custom solution often provides better fit, function, and long-term value, despite a higher upfront cost and longer lead time.

What crucial information do manufacturers need from me to provide an accurate quote for a custom electrical enclosure?

To get an accurate quote, provide detailed 2D/3D CAD drawings (STEP, SolidWorks, DXF, PDF), specifying material type and gauge (e.g., 14ga 304 Stainless Steel), desired finish (e.g., RAL 7035 powder coat), required NEMA or IP rating, any internal mounting provisions, specific cutouts for connectors or displays, and estimated production volumes (prototypes vs. annual quantity). Don't forget any required certifications or testing.

How important is Design for Manufacturability (DFM) when sourcing electrical enclosures, and what should I look for?

DFM is critical for electrical enclosures to optimize cost, quality, and lead time. A good manufacturer will review your design for potential issues like tight bending radii that could crack powder coat, excessively deep drawn features, or complex welding sequences that drive up labor costs. Look for suppliers who actively provide DFM feedback, suggesting material alternatives, standardizing hardware, or simplifying geometries without compromising functionality or environmental protection.

What are the key considerations for thermal management within an electrical enclosure, beyond just adding fans?

Effective thermal management goes beyond simply installing fans. Key considerations include the total heat load of internal components, ambient operating temperature, enclosure size and material, and airflow paths. A skilled manufacturer will discuss options like strategically placed filtered vents, passive cooling through heat sinks, active cooling with air conditioners or Peltier coolers for high-density electronics, and even CFD analysis to prevent hot spots and ensure optimal component lifespan within a NEMA-rated enclosure.

What's the typical lead time for custom electrical enclosure prototypes versus production runs?

Lead times vary significantly based on complexity and material availability. Prototypes for a custom sheet metal enclosure might range from 3-6 weeks, especially if specialized tooling or complex powder coating colors are involved. Production runs, once tooling and first articles are approved, can range from 6-12 weeks depending on volume, material lead times (e.g., certain gauges of stainless steel), and the manufacturer's capacity. Always clarify material procurement times and finishing schedule.

Related Directories