Need a specific city or state? Want to email them directly?

Search, get contacts, and send outreach — all in one place.

Try Free Search

Electronic Contract Manufacturers

Last updated: January 2026

This directory lists 118 electronic contract manufacturers across the United States, from specialized low-volume NPI partners to high-volume full-service providers offering comprehensive box build and functional testing.

Buyers engage electronic contract manufacturers to solve critical problems such as scaling production beyond in-house capabilities, reducing manufacturing costs, or gaining access to specialized equipment like advanced SMT lines or automated optical inspection (AOI) systems. They also address challenges around component procurement, DFM feedback, and ensuring strict adherence to industry standards for reliability and performance.

Supplier types in this space range significantly. Some specialize in quick-turn prototypes and NPI, offering extensive engineering support for startups. Others are geared towards high-volume production with highly automated facilities. A third category focuses on niche markets like medical devices or aerospace, demanding specific certifications like ISO 13485 or AS9100 and adherence to ITAR regulations.

To effectively engage an ECM, buyers must arrive prepared with a fully specified Bill of Materials (BOM), Gerber files, assembly drawings, and a clear understanding of their testing requirements. Suppliers, in turn, expect a detailed scope of work, forecasted volumes, and a commitment to collaborative DFM reviews to optimize designs for efficient and reliable manufacturing.

A significant trend reshaping this category is the increasing demand for supply chain resilience and regional manufacturing. Geopolitical shifts and recent component shortages have driven many companies to re-evaluate their reliance on single-source offshore manufacturing, leading to a renewed interest in domestic electronic contract manufacturers capable of providing robust, diversified supply chain solutions.

118 companies·89 emails·105 phones

Company Directory

118 companies nationwide

Elgin, IL

Based in Elgin, IL, A2Z Electronics LLC provides end-to-end electronic contract manufacturing services. The company specializes in PCBA, SMT, THT, engineering, cable and wire assembly, box build, and coating and potting. They serve diverse sectors including medical, aerospace, industrial, defense, transportation systems, and consumer electronics.

Troy, MI

Ace Electronics Defense Systems, located in Troy, MI, offers specialized electronic manufacturing services. The company is dedicated to providing comprehensive manufacturing solutions designed to meet the rigorous demands of various military customers and applications.

Webster, TX

Based in Webster, TX, Alert Tech SMT is an electronics contract manufacturer specializing in surface mount technology. They provide a full range of PCBA services, process manufacturing, and turnkey PCB assembly. The company also offers NPI and prototyping capabilities for various industries.

Akron, OH

Based in Akron, OH, ANZER is an electronic contract manufacturer with over 33 years of experience. The company specializes in PCB assembly services, offering a full spectrum of solutions from prototyping to mass production. ANZER delivers precision-crafted, cost-effective electronic manufacturing solutions leveraging advanced technology.

Richardson, TX

Austin Circuit Design, based in Richardson, TX, offers full-service electronic contract manufacturing. They provide comprehensive support including design, sourcing, project management, and high-volume manufacturing capabilities for complex builds. Celebrating a decade of expertise, ACD serves as a one-stop partner from concept to product fulfillment, leveraging Texas roots with global reach.

Las Vegas, NV

Based in Las Vegas, NV, Axiom Manufacturing provides comprehensive electronic manufacturing services (EMS). They specialize in PCB assembly, box build, and RF & microwave solutions, utilizing SMT, thru-hole, and mixed technology. Axiom also offers cable and wire harness assembly, design for manufacturability, and test & validation services.

Fremont, CA

Based in Fremont, CA, Bay Area Circuits specializes in quick-turn PCB fabrication, design, and assembly. The company provides end-to-end printed circuit board manufacturing services. Leveraging advanced technology and automation, they aim to accelerate production for diverse industry applications.

Brenham, TX

Based in Brenham, TX, BENCOR LLC specializes in printed circuit board assembly (PCBA). The company offers a full range of PCB assembly services, catering to diverse electronic manufacturing requirements. While serving all of Texas, BENCOR LLC also supports clients across numerous other US states.

Stafford, TX

Blind Buried Circuits, based in Stafford, TX, offers quick-turn and custom PCB manufacturing and assembly. They specialize in rigid, flex, and semi-flex circuits for prototype and large volume orders. The company maintains ISO and IPC certifications, serving diverse sectors from medical devices to automotive.

Carson, CA

ACME PCB Assembly, based in Carson, CA, is an ISO 9001:2015 certified electronic contract manufacturer. With a 16,000 square foot facility and over 30 years of experience, they provide comprehensive PCB assembly services. Capabilities include SMT, BGA, thru-hole, box builds, and turnkey solutions.

Santa Ana, CA

Based in Santa Ana, CA, PARPRO Technologies is an ISO 9001, ISO 13485, and AS9100C certified full-service Electronics Manufacturing Services (EMS) supplier. With 30+ years of experience, they offer PCBA, cable assembly, and full system integration. Capabilities include high-speed placement for 01005 components, supporting customers from prototype to volume production.

El Paso, TX

Based in El Paso, TX, Cesar-Scott Inc manufactures IPC and WHMA-certified wire harnesses. The company also specializes in delivering high-quality cable assemblies for various applications, providing reliable electronic interconnect solutions.

Dayton, OH

Based in Dayton, OH, Circuit Pak, Inc. specializes in Electronic Contract Manufacturing. The company offers high-speed surface mount and through-hole assembly, kitting options, and quality control. With ISO 9001:2015 registration and IPC-trained staff, they also provide value-added services like conformal coating, laser serialization, and box builds.

Dallas, TX

Based in Dallas, TX, Cypress Industries is a vertically-integrated contract manufacturer providing PCBA's, box build, wire harnesses, custom cables, control panels, plastic injection molding, and machined parts. They offer design for manufacturability and value engineering services from their Austin, Texas facilities.

Leander, TX

Cypress Technologies, based in Leander, TX, is an Electronic Contract Manufacturer specializing in custom PCB assembly, electromechanical systems, box builds, and cable harnesses. They offer engineering and supply chain management for industries such as alternative energy, military, and robotics, adhering to ISO 9001:2015 quality.

Cincinnati, OH

Based in Cincinnati, Ohio, D F Electronics Inc. provides design, engineering, and manufacturing services for electronics assemblies. Founded in 1974, the company produces products for regional OEMs in quantities from hundreds to tens of thousands annually. They specialize in integrating manufacturing engineering into new designs from prototyping.

Oakland, CA

Based in Oakland, CA, Digicom Electronics provides electronic contract manufacturing services. They specialize in PCB assembly, prototypes, and box-builds for diverse sectors including medical devices, aerospace, defense, telecom, industrial automation, and railways.

Dallas, TX

Based in Dallas, TX, Eagle Circuits offers end-to-end Electronic Contract Manufacturing services. They provide in-house PCB solutions, including layout, design, fabrication, assembly, and testing. Operating from their 18,000 sq ft US facility, the company supports quick-turn prototypes and production runs with a focus on quality.

Fort Worth, TX

Based in Fort Worth, TX, Elbit America designs, engineers, and manufactures advanced defense technologies. The company provides secure, reliable, and mission-ready solutions for the defense sector, leveraging its US-based manufacturing capabilities for complex electronic systems and integrated solutions.

Houston, TX

Based in Houston, TX, Electronic Power Design, Inc. specializes in manufacturing low-voltage switchboards and comprehensive energy systems. The company provides in-house design, development, testing, and implementation services for industrial applications. Leveraging extensive experience and patented innovations, they optimize the performance, reliability, and maintenance of critical power system components.

San Jose, CA

Emerald Technologies, based in San Jose, CA, provides electronic manufacturing services for high-reliability and mission-critical products. They offer complete product life-cycle solutions, including NPI assembly and manufacturing. The company serves diverse markets such as Aerospace & Defense, Energy & Renewables, and Life Sciences.

Bartlett, TN

Based in Bartlett, TN, Engineered Medical Systems, LLC (EMS) is a full-service contract manufacturer for complex medical devices, instrumentation, and implants. They provide prototype design, verification/validation, and production manufacturing, leveraging advanced machining equipment for precision and reliability.

Lancaster, PA

Based in Lancaster, PA, ETEMCO specializes in precision SMT PCB assembly, offering services from prototypes to full production. The company is ISO 9001-certified, ensuring high quality, accuracy, and reliability in all electronic manufacturing projects. They provide responsive solutions for diverse client needs.

Des Moines, IA

ETI Manufacturing offers electronic contract manufacturing services, specializing in custom PCB assembly, wire and cable harness assembly, and integrated box build solutions. Based in Des Moines, IA, they provide rugged, precise, and reliable assemblies for OEMs. The company serves industrial products, medical equipment, and aerospace technology sectors as an experienced supply chain partner.

Round Rock, TX

Based in Round Rock, TX, East/West Manufacturing Enterprises offers electronic contract manufacturing services. They specialize in PCB assembly, box builds, and system integration, offering turnkey solutions. Serving aerospace & defense, medical, and industrial markets, the company holds AS9100 and ISO 9001 certifications.

Anaheim, CA

Based in Anaheim, CA, Excello Circuits manufactures a wide range of printed circuit boards, including rigid, flexible, HDI, and heavy copper types, up to 24 layers. They offer design services, engineering support, and prototyping through production manufacturing. The company serves diverse sectors such as aerospace, medical, automotive, and communications.

Orange County, CA

Based in Orange County, CA, Expert Assembly provides advanced electronic contract manufacturing services. Since 1997, the company has offered high-quality PCB fabrication, assembly, cable and wire harness, and box build solutions. Expert Assembly supports diverse industries including Aerospace, Medical, Electric Vehicle, and Military with prototyping and complex medium-volume full turnkey assemblies.

Cranston, RI

Federal Electronics, based in Cranston, RI, provides electronics manufacturing services for high-reliability, mission-critical products. With over 60 years of experience, they offer end-to-end EMS, engineering, and supply chain solutions. The company holds ISO 13485 for medical devices and AS9100 certifications, specializing in complex electronics assembly.

Irwindale, CA

Based in Irwindale, CA, Fine Pitch is an electronic contract manufacturer. The company specializes in building complete electronic boxes, handling the installation of all components. They conduct thorough inspections of each unit prior to shipment, ensuring product quality.

Austin, TX

Based in Austin, TX, Focus Embedded provides comprehensive electronic contract manufacturing services. The company specializes in turnkey manufacture of prototype designs, offering end-to-end solutions for new product development. They also handle initial production runs of marketable electronic products, supporting clients from concept to market.

Jacksonville, IL

Foxtronics EMS provides end-to-end PCB assembly (PCBA) services, handling projects from prototyping to high-volume production. They build high-performance PCB assemblies, box builds, and electronic systems engineered for complex specifications and tight timelines. The company serves critical industries, including Aerospace, Medical Devices, and Robotics.

Mequon, WI

Based in Mequon, WI, GMI Solutions provides electronic contract manufacturing and electro-mechanical assembly for application-critical products. They offer OEMs complete outsourcing for embedded computing, leveraging DfM expertise. Industries served include healthcare, life sciences, oncology, automation & controls, and test & measurement.

San Jose, CA

Based in San Jose, CA, Gorilla Circuits is a USA printed circuit board manufacturer. They provide comprehensive turnkey PCB fabrication and assembly services, specializing in high-reliability builds for IoT, robotics, and autonomous technology. The company also serves Defense and Aerospace, holding ITAR approval and MIL-PRF certifications.

San Jose, CA

Green Circuits, based in San Jose, CA, is an electronic contract manufacturer specializing in quick-turn PCB assembly, rapid prototyping, and low-volume production. They offer PCB design, SMT assembly, and system/box build for flexible and rigid boards. The company adheres to AS9100D and ISO 13485 certifications.

Forest, CA

Based in Forest, CA, HDA Technology specializes in compliant pilot production services for medical device contract manufacturing. The company offers on-site prototyping and manufacturing capabilities, focusing on developing and producing electronic and electro-mechanical medical devices.

San Marcos, CA

Based in San Marcos, CA, Hughes Circuits is a fully integrated electronics manufacturing service (EMS) provider. They offer PCB layout, fabrication, assembly, and precision metal fabrication services, including box build solutions. Specializing in quick-turn prototypes and low-volume production, they serve high-reliability markets like military and medical.

Rollinsford, NH

Based in Rollinsford, NH, Janco Electronics, Inc. is an ISO 13485:2016 certified electronics contract manufacturer. They specialize in printed circuit board assembly, electromechanical box builds, and medical device manufacturing. Services include surface mount, through-hole, RF testing, and supply chain management for defense, medical, aerospace, and industrial sectors.

Austin, TX

Based in Austin, Texas, Kodiak Assembly Solutions, LP provides comprehensive electronic manufacturing services. They specialize in high-mix PCB assembly, surface mount technology (SMT), box build, and system integration, supporting both prototype and high-volume production. The company offers advanced testing and engineering support, holding ISO 9001:2015 and ITAR certifications.

Audubon, PA

LCR Embedded Systems, based in Audubon, PA, provides electronic contract manufacturing services for integrated systems, rugged enclosures, chassis, and backplanes. They specialize in assembly, manufacturing, integration, and testing of VPX and SOSA™ aligned embedded systems, primarily serving 21st-century defense applications for air, ground, and sea deployments.

Brisbane, CA

LeeMAH Electronics, based in California and Texas, is an electronic contract manufacturer founded in 1971. They specialize in high-mix, low-medium volume needs, providing custom cable assembly, box build, PCBA, and testing engineering. LeeMAH serves aerospace, medical device, and transportation industries.

Millbury, OH

Based in Millbury, OH, Levison Enterprises is an electronic contract manufacturer specializing in electronic assembly and repair services. The company is AS9100, ISO 9001, and ISO 13485 certified, serving the military, aerospace, medical device, and food safety industries. It offers comprehensive turnkey solutions from design to supply chain logistics.

Rosenberg, TX

Martin Company, based in Rosenberg, TX, is an ISO 9001 certified electronics engineering and manufacturing firm established in 1980. They provide comprehensive services including PCB layout, firmware, prototyping, testing, and production of custom electronic systems. Industries served span Oil & Gas, Petrochemical, and Security.

Fremont, CA

Based in Fremont, CA, Meritronics provides comprehensive electronic contract manufacturing services. They specialize in complete PCB design, product assembly, and box build assembly, offering full system integration solutions. Meritronics delivers robust manufacturing capabilities for a diverse range of electronic products, focusing on quality and efficiency.

Irving, TX

Based in Irving, TX, NetVia Group manufactures high-reliability advanced circuit boards, offering time-critical PCB solutions. They specialize in quick-turn, HDI, flex, and rigid-flex PCBs, serving the aerospace, defense, medical, and oil & gas industries. The company is an ITAR registered manufacturer.

Mankato, MN

Based in Mankato, MN, Ninja Circuits specializes in low volume PCB assembly services for prototypes and small production runs. The company focuses on delivering fast, high-quality, and reliable electronic assemblies, built entirely in the USA to meet diverse client needs.

El Paso, TX

Based in El Paso, TX, Northpoint Technologies, Inc. specializes in manufacturing high-quality wire harnesses, custom cable assembly, and electromechanical assemblies. They also produce turnkey box and panel builds, flex circuits, and various switches and touch screens. The company serves diverse markets including automotive, military, medical, and industrial.

Optimatech provides electronic contract manufacturing services. The company offers support for all steps in the product design and manufacturing process, assisting clients with electronic product development from initial concept to final production.

Santee, CA

Based in Santee, CA, Pathway Medtech is a contract manufacturer and developer specializing in medical devices. They offer a single-source solution for commercializing products, covering design, engineering, regulatory assistance, and manufacturing. Founded in 2013 by experienced mechanical engineers, the company serves innovators within the medtech industry.

Chatsworth, CA

Based in Chatsworth, CA, PCB Power delivers end-to-end PCB solutions, providing fabrication, assembly, component sourcing, layout, and stencil services. The company offers rapid prototyping to high-volume production for diverse sectors like consumer electronics, medical equipment, and industrial systems. They cater to both startups and large-scale manufacturers.

Founded in 2008, PCB Unlimited specializes in prototype and low-volume PCB assembly and fabrication services. They offer quick-turn printed circuit boards, SMT stencils, and Flex & Rigid-Flex circuits. The company provides instant online quoting and ordering for custom PCB prototypes and assembly projects.

Garland, TX

Based in Garland, TX, Pinner Wire & Cable, Inc. is an ISO 9001:2015 certified manufacturer specializing in custom cable and wire harness assemblies. They provide UL/CSA approved and IPC/WHMA-A-620 compliant products, meeting design requirements from prints, drawings, schematics, or prototypes for various industry customers.

Santa Ana, CA

Based in Santa Ana, CA, Pioneer Circuits manufactures and assembles flex, rigid-flex, and rigid circuit boards, including complex PCBAs. The company offers full-turnkey solutions, engineering support, and quality assurance. Pioneer Circuits serves mission-critical applications in avionics, deep space, military, and defense.

Nutley, NJ

Based in Nutley, NJ, PNC Inc. is a printed circuit board manufacturer with 48 years of experience. They provide PCB design, fabrication, and assembly services, serving industries such as High Frequency RF/Microwave, Audio, Defense, and Medical. The company focuses on quality and innovation in all PCB processes.

Suwanee, GA

Based in Suwanee, GA, Prime EMS provides electronic manufacturing services, from design and prototyping to production. Its 50,000 sq. ft. facility features advanced SMT lines and robotics, specializing in high-reliability electronics. Prime EMS holds ISO 9001, ISO 13485, AS9100, and ITAR certifications, serving diverse OEM markets.

Santa Clara, CA

Based in Santa Clara, CA, Promex Industries is an electronic contract manufacturer with 50 years of experience. They specialize in precision packaging and assembly for complex microelectronic devices. Services include SMT, wafer processing, and final box build. The company is ISO certified and ITAR registered.

Grand Prairie, TX

Based in Grand Prairie, TX, Reycomp offers electronic contract manufacturing, specializing in SMT and TH PCB assembly, wire harnesses, and box builds. With over 25 years of experience, they support projects from prototype to market. Reycomp adheres to IPC-A-610 and AS9102 standards.

Chagrin Falls, OH

Based in Chagrin Falls, OH, RPC Electronics provides comprehensive electronic contract manufacturing services. Specializing in PCB assembly, electromechanical assembly, and custom wire harnessing, the company also engineers and manufactures LCD displays and embedded computing systems for industrial, medical, and commercial OEMs.

El Dorado Hills, CA

Sacramento PCB Assembly provides comprehensive electronic contract manufacturing services from their El Dorado Hills, CA facility. They cover the full PCB assembly process, including part procurement, precision component placement, various soldering methods, and advanced X-Ray/AOI inspection. They also offer custom PCB design and repair, holding ISO 9001 and 13485 certifications.

Winfield, KS

Based in Winfield, KS, S and Y Industries is an electronic contract manufacturer specializing in custom turnkey solutions. They offer electronic design, PCB development, prototyping, material procurement, and assembly. Services also include product testing, final system box builds, and comprehensive product support for various applications.

San Jose, CA

Based in San Jose, CA, Sanmina Corporation is an Electronic Contract Manufacturer specializing in high-speed and high-reliability PCB fabrication, along with layout and CAD services. The company also manufactures data center infrastructure for cloud and AI technologies, providing advanced electronic solutions for diverse technology industries.

San Mateo, CA

Based in San Mateo, CA, San Francisco Circuits offers comprehensive flexible PCB fabrication and assembly services. The company specializes in providing solutions for both prototype and production quantities, ensuring rapid turnaround for flexible circuit boards. They serve various industries requiring high-quality electronic contract manufacturing.

Chino, CA

Based in Chino, CA, Sierra Assembly Technology LLC is a US-based electronic contract manufacturer specializing in PCB assembly, from prototype to full production. They offer quick-turn services with both Through-hole (PTH) and Surface Mount (SMT) assembly lines. Sierra Assembly serves various industries including defense, healthcare, and government.

Austin, TX

Based in Austin, TX, Silicon Hills is an electronic contract manufacturer specializing in build-to-order printed circuit board assembly and system integration. They provide expertise in material science, layout, manufacturing, and logistics, supporting high-tech product development with efficient processes and quick turnaround times.

Anaheim, CA

Based in Anaheim, CA, SI Manufacturing offers custom electronics contract manufacturing with fast turnaround. They specialize in precision assembly, including through-hole and surface-mount PCA, mechanical assembly, and comprehensive electronic testing. The company also provides custom magnetics and power supplies, serving the medical, railroad, aerospace, and defense industries.

Melbourne, FL

Based in Melbourne, FL, SMTC Corporation provides end-to-end electronics manufacturing services (EMS) with over 40 years of experience. Their offerings include PCBA production, systems integration, comprehensive testing, metal fabrication, and cable harnessing. They manage the full product lifecycle, from prototype development and NPI to end-of-life phases.

Rockledge, FL

Based in Rockledge, FL, Solutions Mfg offers electronic contract manufacturing. They perform SMT and thru-hole assembly for prototypes to high-volume production, plus box build and system integration. Automated conformal coating, encapsulation, and comprehensive product testing are provided, with quality ensured by IPC-certified inspectors.

Fremont, CA

Based in Fremont, CA, Sonic Manufacturing operates a large EMS production floor in Silicon Valley. The company provides electronic contract manufacturing services, leveraging latest technologies, engineering support, and robust materials to deliver comprehensive solutions.

Watertown, SD

Spartronics is a U.S.-based electronics contract manufacturer specializing in complex, mission-critical products. They provide electronic contract manufacturing services for printed circuit board assemblies (PCBAs), subsystem integration, and full-box builds. Serving markets like aerospace, defense, medical devices, and space, Spartronics also offers value-added engineering support.

Phoenix, AZ

Based in Phoenix, AZ, Spirit Electronics provides end-to-end secure supply chain solutions, including assembly, test, and qualification services. The company specializes in full BOM control and has expanded its U.S. semiconductor manufacturing capabilities, serving critical aerospace, defense, and space applications.

Santa Clara, CA

Based in Santa Clara, CA, Surface Mount Solutions specializes in precision PCB assembly and electronics manufacturing. They utilize state-of-the-art SMT and through-hole techniques for circuit board builds, from prototypes to full-scale production. Services include quick-turn, standard, and full turnkey solutions with procurement.

Plano, TX

Based in Plano, TX, SVTronics is an Electronic Contract Manufacturer. The company operates in various production models, including complete turnkey, full consignment, and partial consignment. They specialize in PCB assembly services, providing comprehensive solutions for clients across diverse industries.

Tampa, FL

Based in Tampa, FL, Sypris Electronics, LLC provides electronic manufacturing services, including circuit card assembly, system integration, and test. The company specializes in full electronic assembly and delivers critical products and services to the military and defense markets.

Anaheim, CA

Technotronix provides electronic contract manufacturing services, specializing in low-volume PCB assembly, including SMT, through-hole, and mixed technology. They offer complete PCB box-builds, turnkey assembly, and prototyping. Value-added services include electro-mechanical and cable/wire harness assembly, catering to industries like electronics, automotive, and medical.

Perry, OH

TT Electronics Integrated Manufacturing Services provides end-to-end complex electronics manufacturing solutions from its Perry, OH facility. The company engineers and manufactures precision sensors, passive components, rugged power conversion, and complex electronics assemblies. They serve OEMs in regulated markets worldwide, enabling solutions for a safer, healthier, and more sustainable world.

Santa Ana, CA

TTM Technologies, Inc., based in Santa Ana, CA, manufactures advanced technology solutions. The company specializes in printed circuit boards (PCBs), offering broad flex and rigid-flex expertise. They also produce RF components and microelectronic assemblies for diverse industries, including aerospace, defense, medical, and automotive.

San Diego, CA

Based in San Diego, CA, VAS Engineering provides comprehensive electronics SMT manufacturing and PCBA assembly services. They handle complex double-sided and 0.3mm fine pitch ICs, serving various industries from startups to large businesses. The company emphasizes lean production to optimize costs and efficiency.

Minneapolis, MN

Based in Minneapolis, Versa Electronics provides comprehensive electronic manufacturing services (EMS), contract manufacturing, and OEM experience since 1979. They specialize in printed circuit board assembly, offering integrated capabilities for flexible demand fulfillment, reliable products, and client product lifecycle support.

Huntington Beach, CA

Based in Huntington Beach, CA, Vinatronic Inc. offers comprehensive electronic contract manufacturing services. The company specializes in PCB assembly, assisting clients with printed circuit board design and production, regardless of complexity, from its California-based facility.

Austin, TX

Based in Austin, TX, VIRTEX is an Electronic Contract Manufacturer providing comprehensive Electronic Manufacturing Services (EMS). The company offers engineering, design, PCBA, system integration, and full lifecycle management. VIRTEX supports high-reliability markets including military, aerospace, medical, and industrial sectors.

San Jose, CA

Based in San Jose, CA, Valley Services Electronics provides comprehensive electronic contract manufacturing services. The company specializes in PCBA design, assembly, and testing, offering low-volume production, wire harness, and box build solutions for medical technology and semiconductor equipment industries.

Dallas, TX

Based in Dallas, TX, Wallace Electronics is a woman-owned manufacturer specializing in custom cable assemblies and electronic enclosures. They produce wiring harnesses, custom molding, and various custom cables for diverse sectors, including industrial automation, military, medical, and telecommunications.

Houston, TX

Based in Houston, TX, Willis Electrical is an electronic manufacturer offering precision-driven manufacturing services. The company specializes in producing electronic components and assemblies tailored for industrial and municipal sector applications.

Phelps, NY

Z-AXIS, based in Phelps, NY, offers comprehensive electronic design and contract manufacturing services. They specialize in PCB assembly (SMT, through-hole), wire harness assembly, and full box builds. Their ISO 9001:2015 certified US facility handles high-end prototypes and diverse production volumes.

Suwanee, GA

Based in Suwanee, GA, Avalon Technologies provides comprehensive, vertically-integrated Electronic Manufacturing Services (EMS). The company offers design and assembly solutions to optimize production efficiency and quality for Original Equipment Manufacturers (OEMs). Avalon has experience serving industries such as renewable energy equipment manufacturing.

Hudson, OH

Henway Technologies, LTD. offers comprehensive electronic contract manufacturing services, including PCB assembly (SMT and through-hole), box build, and cable assembly. They provide product development support from prototyping to full-scale production, serving industries such as medical devices, aerospace, and industrial controls.

Gray, TN

IES Gray provides comprehensive Electronic Manufacturing Services, including design, production, and aftermarket support. The company tailors its solutions to meet specific client requirements, offering a full lifecycle approach to electronic product development and manufacturing.

PCB Assembly Express is an Oregon-based electronic contract manufacturer offering comprehensive PCB assembly and fabrication services. They utilize SMT and through-hole technologies for rigid, flexible, and HDI boards, and provide design and engineering, wire harness, and box build assembly. The company supports quick-turn prototypes through high-volume production requirements.

SVI provides comprehensive electronics manufacturing services for original equipment manufacturers globally. The company offers turnkey solutions and advanced technology to produce electronics to specification, focusing on reliable production and high-quality standards for various industries.

Richmond, TX

Velentium Medical is a professional engineering firm that designs and manufactures Class II and Class III medical devices. They transform intellectual property into safe and secure products, offering comprehensive services including medical device R&D, manufacturing, cybersecurity, and test systems to their clients.

Batavia, OH

Based in Batavia, OH, Spectra-Tech Manufacturing, Inc. operates as a direct provider of Electronic Manufacturing Services (EMS). The company serves as a long-term manufacturing partner, offering a range of services for various EMS applications to its diverse customer base.

Aurora, CO

Based in Aurora, CO, AdvancedPCB is an American manufacturer offering comprehensive PCB design, manufacturing, and assembly services. They provide quick-turn and rapid prototype solutions for rigid, flex, and rigid-flex PCBs. Serving defense, aerospace, medical, and industrial sectors, AdvancedPCB delivers cutting-edge printed circuit boards.

Torrington, CT

Based in Torrington, CT, Altek Electronics, Inc. offers comprehensive electronic contract manufacturing services (EMS). Specializing in turnkey PCB assembly, circuit card assembly, and box build assembly, they serve original equipment manufacturers (OEMs). The company supports clients throughout Connecticut, Massachusetts, New York, New Jersey, and surrounding regions.

Mckinney, TX

Based in McKinney, TX, Broach Bilt Manufacturing, Inc. is an ISO 9001 certified electronic manufacturing service provider. They specialize in turnkey assemblies, offering contract manufacturing for printed circuit board assemblies, cable/wire, programming, testing, box builds, mechanical assembly, and parts procurement, from prototypes to full production.

Phoenix, AZ

Based in Phoenix, AZ, Beacon Group specializes in building custom wire harnesses and cable assemblies. For over twenty-five years, the company has served equipment manufacturers across various industries with reliable and precise electronic interconnections.

Hazelhurst, WI

Burton EMS provides electronic contract manufacturing services from Hazelhurst, WI. They specialize in complex medical devices, including bone densitometers and radiotherapy equipment, offering engineering, testing, and full production capabilities, including SMT. The company holds ISO 9001:2015 and ISO 13485:2016 certifications.

Orange County, CA

CEM: Complete Electronics Manufacturing, based in Orange County, CA, provides electronic contract manufacturing services. Specializing in intricate circuit board assembly, they handle prototype to full production runs. Capabilities include Pick and Place, Thru Hole, and custom PCB assembly for medical devices, aerospace, industrial controls, and consumer electronics.

Fremont, CA

Based in Fremont, CA, Evolve Manufacturing provides contract manufacturing for complex medical and life sciences devices and instruments. Operating a 75,000 sq ft facility in Silicon Valley, the company specializes in high-precision production for critical applications within the healthcare sector.

Salem, OR

Based in Salem, OR, Hi-Tek Electronics is an electronic contract manufacturer with 40 years of experience. They provide precision PCB assembly, turnkey box builds, wire, and mechanical assemblies. Services include SMT, through-hole, BGA, and PCBA testing, supporting various production scales.

Jasper, IN

Kimball Electronics, based in Jasper, IN, provides comprehensive Electronics Manufacturing Services (EMS), Contract Manufacturing Organization (CMO), and Engineering & Design Services. They deliver solutions for the medical, industrial, and automotive markets, focusing on improving health, safety, and productivity for customers globally.

Westford, MA

Based in Westford, MA, Mack Technologies provides electronics contract manufacturing services, specializing in printed circuit board assembly and system integration. With US facilities in Massachusetts and Florida, the company offers flexible manufacturing solutions for complex products in high mix, low to medium volume environments for various industries.

Houston, TX

MacroFab, Inc., based in Houston, TX, is an electronic contract manufacturer offering AI-powered PCB assembly services. Its digital platform allows companies to order PCB assemblies at any volume, manage supply chain issues, and leverage a North American factory network for efficient production.

Chantilly, VA

Based in Chantilly, VA, MFG One is an electronic contract manufacturer providing box-build services. They offer comprehensive support from design, sourcing, and prototyping to assembly, testing, and fulfillment. Serving industries like medical devices, consumer electronics, and automotive, MFG One combines U.S.-based execution with a robust global supply chain.

NEOTech provides comprehensive Electronics Manufacturing Services and solutions for advanced technology OEMs. They specialize in supporting high-tech industrial, aerospace & defense, and medical equipment sectors with cutting-edge manufacturing capabilities. The company focuses on rigorous demand and operational excellence.

Phoenix, AZ

Titan Circuits provides electronic contract manufacturing services, specializing in PCB assembly from prototype to production. Based in Phoenix, AZ, they assemble components down to 01005 passives, QFNs, and BGAs. Their staff are IPC-A-610G and IPC J-STD-001G certified.

Sierra Circuits manufactures American-made PCB prototypes and assemblies, offering comprehensive services from fabrication to assembly. Since 1986, the company has provided fast turnaround times and precision for electronic designs. They focus on delivering quality PCB solutions entirely within the United States.

Wooster, OH

Based in Wooster, OH, RBB Systems provides comprehensive electronic contract manufacturing services. The company offers turnkey assembly solutions, managing everything from sourcing and purchasing to material management. RBB Systems supports various industrial and commercial assembly needs.

Lititz, PA

Based in Lititz, PA, Sechan Electronics, Inc. provides electronic contract manufacturing for military defense electronics systems and subsystems. Capabilities include circuit card assemblies, wiring harnesses, end item integration, electrical, environmental, and EMI/EMC testing. They operate under CMMI Level 3 and ISO 9000 procedures, serving Department of Defense and prime contractors.

San Antonio, TX

Based in San Antonio, TX, Texas Mgt Associates, Inc. (TMA) is an electronic contract manufacturer. They specialize in designing, developing, and manufacturing electrical and electronic aerospace products for military and DoD sub-contracting. TMA offers repair and re-engineering services for mechanical and electrical machinery, focusing on avionics.

Ashland, OH

Tritium Electronics, based in Ashland, OH, provides electronic contract manufacturing. They specialize in embedded systems and connected product production from concept to mass production. Services include PCB assembly, instant quoting, part procurement, and automated lines deliver timely batches.

Beaverton, OR

Based in Beaverton, OR, Vanguard EMS specializes in high-reliability electronics manufacturing services. The company emphasizes quality throughout its processes, serving demanding market sectors like medical, aerospace & defense, and industrial. They offer seamless program alignment and rapid adjustments for complex projects.

Fremont, CA

Based in Fremont, CA, WislaB EMS is an ISO-Certified electronic contract manufacturing facility. They provide comprehensive EMS services, specializing in fast turnaround times for prototypes and volume orders. The company offers reliable and high-quality electronic manufacturing solutions.

Benchmark offers comprehensive full product lifecycle solutions, encompassing design engineering, technology building blocks, and advanced manufacturing services. They provide extensive support from product development and production to aftermarket services, serving various industries with their expertise in electronics manufacturing.

ACTIA EMS offers electronic manufacturing services (EMS), providing an integrated approach to product life cycle management from production to long-term support. Specializing in on-board electronic systems, the company focuses on quality control and testing to deliver manufacturing solutions for demanding customer environments.

Taunton, MA

Based in Taunton, MA, GTR Manufacturing provides electromechanical box build assembly services, handling projects from routine to highly complex. The company offers comprehensive chassis population and rigorous testing capabilities, all performed in-house. They deliver integrated manufacturing solutions for industrial and commercial B2B customers.

Louisville, KY

Based in Louisville, KY, Win2uit offers US-based electronic manufacturing services, specializing in PCB assembly, wire harness, and box build solutions. The company provides comprehensive services for various industries, ensuring high-quality and reliable production processes. Win2uit is ISO 9001/2015 certified.

Austin, TX

Based in Austin, TX, Knectiv offers integrated electronic product design and manufacturing services. They provide comprehensive turnkey solutions, taking hardware ideas from concept to full-scale production. Capabilities include PCB, mechanical, and industrial design, supporting diverse customer needs.

Santa Clara, CA

Based in Santa Clara, CA, NPI Services is an electronic contract manufacturer. They provide comprehensive services including PCBA, box build assembly, and cable and wire harness manufacturing. Operating from a 22,000 sq. ft. facility, the company utilizes state-of-the-art equipment to produce complex electronic products for diverse industries and businesses.

Viant provides vertically integrated manufacturing capabilities for medical devices and components. The company offers complete product solutions, including design and development services for the MedTech industry. They specialize in interventional device solutions and inhalation devices.

Found what you're looking for? Unlock 89 emails and 105 phones.

How to Choose a Company

  • Verify the ECM's specific expertise and equipment for your technology, such as fine-pitch BGA assembly, RF circuit experience, or conformal coating capabilities, rather than just general PCBA.
  • Assess their New Product Introduction (NPI) process maturity, including their DFM/DFT review protocols and ability to quickly source initial components, which is distinct from their high-volume production efficiency.
  • Confirm their relevant industry certifications. For example, medical device companies must verify ISO 13485, aerospace/defense projects require AS9100 and ITAR compliance, and all critical electronics should demand IPC-A-610 Class 2 or 3 expertise.
  • Scrutinize their testing methodology beyond basic continuity checks. Understand their offerings for In-Circuit Test (ICT), flying probe testing, and most critically, how they develop and execute functional test (FCT) protocols for your specific product.
  • Beware of ECMs that offer significantly lower NPI or low-volume pricing but have unclear component procurement strategies or excessive Minimum Order Quantities (MOQs) on custom parts, which can lead to significant cost overruns and delays down the line.

Frequently Asked Questions

What's the difference between turnkey and consigned assembly for electronic contract manufacturers?

Turnkey assembly means the ECM is responsible for procuring all components in your Bill of Materials (BOM) and performing the assembly. This simplifies your supply chain, leveraging the ECM's buying power and component expertise. Consigned assembly, conversely, means you (the buyer) procure and supply all components to the ECM, who then only performs the assembly. Consigned is often chosen by buyers who have established component supplier relationships or wish to control specific part sourcing, but it shifts significant logistical and component obsolescence risk back to the buyer.

How important are IPC standards when selecting an electronic contract manufacturer?

IPC standards are critically important as they define the acceptability criteria for electronic assemblies and manufacturing processes. IPC-A-610, for instance, sets the benchmark for quality and workmanship. Different classes (Class 1: General, Class 2: Dedicated Service, Class 3: High Reliability/Life Support) dictate the level of quality required. For most commercial products, Class 2 is standard, while medical, aerospace, and defense applications typically demand Class 3. Your ECM should clearly demonstrate adherence to the relevant IPC class for your product to ensure reliability and performance.

What information should I provide to an ECM for a reliable DFM (Design for Manufacturability) review?

For an effective DFM review, you should provide a complete set of manufacturing data: Gerber files (all layers), Bill of Materials (BOM) with manufacturer part numbers and preferred vendors, assembly drawings, CAD files (if applicable for 3D modeling), and any specific test requirements or functional specifications. A good ECM will use this to identify potential manufacturing issues, suggest component alternatives for better availability or cost, and optimize your design for efficient assembly, testing, and long-term reliability.

What types of testing should I expect an electronic contract manufacturer to offer for my product?

A capable ECM typically offers several levels of testing. This starts with basic continuity and shorts testing (flying probe or in-circuit test/ICT) on the bare PCB. Post-assembly, Automated Optical Inspection (AOI) verifies component placement and solder joint quality. For more robust validation, you should expect functional testing (FCT), which simulates the product's real-world operation to confirm performance. Some ECMs also provide environmental stress screening, burn-in, or X-ray inspection for complex components like BGAs. The specific tests depend on your product's complexity, reliability requirements, and budget.

Related Directories