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Through Hole Assembly Companies

Last updated: January 2026

This directory lists 107 through hole assembly companies across the United States, from specialized low-volume prototype shops to high-capacity contract manufacturers.

Buyers leverage these specialists to solve critical manufacturing problems, such as ensuring robust electrical and mechanical connections for high-current paths, mitigating stress on components in thermal cycling environments, or maintaining long-term solder joint reliability for mission-critical applications. Mastering the precise control of wave soldering and selective soldering parameters is paramount for achieving these outcomes without introducing shorts or cold solder joints.

The types of suppliers in this sector range from highly agile job shops, adept at hand soldering intricate assemblies and offering rapid prototyping for custom component lead forming, to larger Electronics Manufacturing Services (EMS) providers operating fully automated lines with advanced flux management systems and in-line optical inspection. Some specialize purely in through-hole, while others offer it as part of a broader SMT and box build service.

Successful engagement with a through-hole assembler hinges on clear communication and meticulous preparation. Buyers should provide comprehensive Bills of Material (BOMs), detailed assembly drawings, and specify IPC-A-610 standards. Suppliers, in turn, expect clarity on specific clinching requirements, component orientation, and any unique inspection criteria to ensure efficient quoting and production.

A noticeable trend within through-hole assembly is the renewed appreciation for its inherent robustness in specific sectors, particularly in power electronics and industrial IoT, where component mechanical stability is non-negotiable. This has driven investment in more sophisticated selective soldering equipment, allowing for greater automation and consistency even on densely populated mixed-technology boards, countering the perception that through-hole is solely a manual process.

107 companies·82 emails·94 phones

Company Directory

107 companies nationwide

Elgin, IL

Based in Elgin, IL, A2Z Electronics LLC offers electronics contract manufacturing services, specializing in PCB assembly, prototyping, and box build. They provide both Surface Mount Technology (SMT) and Through-Hole Technology (THT). The company serves diverse industries, delivering precise, high-quality electronic solutions with fast turnaround.

San Fernando, CA

Based in San Fernando, CA, A&A Electronic Assembly provides precise electronic manufacturing and custom assembly solutions. They specialize in through-hole and surface mount assembly, product development, and cable assembly, offering turnkey solutions. With over 30 years of experience, they serve aerospace, medical, military, and audio equipment industries.

Santa Clara, CA

Based in Santa Clara, CA, Absolute EMS Inc. specializes in advanced electronics manufacturing services, including both surface mount technology (SMT) and through-hole assembly. They provide full system integration, functional testing, and scalable solutions from prototyping to production. The company operates with ISO 13485 certification.

Duarte, CA

Accu-Sembly Inc, based in Duarte, CA, provides electronic contract manufacturing and PCB assembly services. They specialize in high-quality IPC-A-610 Class 3 assemblies for demanding aerospace, automotive, and industrial applications. The company operates with ISO 9001 and AS9100 certified processes.

Carson, CA

Based in Carson, CA, ACME PCB Assembly provides comprehensive electronic manufacturing services. Specializing in through-hole, SMT, BGA, and fine-pitch PCB assembly, they also offer cable and wire harness, conformal coating, and flex circuits. This ISO 9001:2015 and 14001:2015 certified company supports prototype to mid-volume production.

Palatine, IL

Based in Palatine, IL, Aimtron specializes in comprehensive electronics system design and manufacturing. They offer turnkey PCB assembly services, explicitly mentioning thru-hole PCB assembly, alongside product design and electromechanical box builds. Aimtron ensures precision and repeatability in delivering complete electronic assemblies.

Houston, TX

Based in Houston, TX, AJ Medical Manufacturing operates a state-of-the-art, vertically integrated facility specializing in medical device design and manufacturing. The company is FDA registered and ISO 13485:2016 certified, committed to delivering quality Made in USA products for its clients.

Miami, FL

Based in Miami, FL, AmePower is a contract manufacturer specializing in high-power energy converters and power electronics solutions. They offer design, retrofit, modernization, repair, and manufacturing services for rail, wind turbines, solar, energy storage, and electric vehicles, supporting electrification initiatives.

Charlotte, NC

Based in Charlotte, NC, American Circuits specializes in electro-mechanical assembly services. The company expertly merges mechanical and electronic circuits to create seamless, functional units for diverse industries. They provide comprehensive assembly solutions, ensuring high-quality integration and performance for complex systems.

Based in Export, PA, Advanced Manufacturing Technologies, Inc. is a full-service electronic contract manufacturer. They specialize in next-generation PCB and electro-mechanical assemblies, offering Through-Hole, Surface Mount, and Mixed Technology PCB assembly. AMT provides engineering, assembly, and testing for sectors like aerospace, defense, medical, and industrial.

Burnsville, MN

Based in Burnsville, MN, Analog Technologies provides contract manufacturing for electronic printed circuit board assemblies. They specialize in low-volume, high-mix production for high-reliability, complex applications across aerospace, military, medical, and industrial markets. Capabilities include advanced packaging, silver sintering, and wire bonding.

Akron, OH

Based in Akron, OH, ANZER-USA specializes in PCB assembly and electronic contract manufacturing services. With over 33 years of experience, the company supports clients from prototyping to mass production. They deliver precision-crafted, cost-effective solutions for diverse industries like aerospace electronics, ensuring quality and reliability.

College Station, TX

Based in College Station, TX, ARQ Electronics Manufacturing Services, Inc. is an ISO 9001:2015 certified electronics manufacturing services partner. The company specializes in delivering quality electronics manufacturing solutions, including through-hole assembly, by meeting customer schedule and cost expectations. ARQ offers comprehensive services from its US facility.

Carrollton, TX

Based in Carrollton, TX, ASI Manufacturing provides comprehensive electronics assembly and testing services. With over 25 years of experience, they specialize in circuit board assembly, wire assemblies, and antenna solutions. They also handle component sourcing and packaging, ensuring high-quality, reliable, and cost-effective product delivery.

Asteelflash is an electronic manufacturing services company providing high-end engineering and manufacturing solutions. With facilities in the USA, Europe, and Asia, the company offers PCB assembly, PCB design, prototyping, and mass-production services. They support various industries with comprehensive electronics manufacturing capabilities from design to delivery.

Aurora, NE

Aurora Board Works provides custom circuit board assembly services, specializing in Through Hole Technology, Surface Mount Technology, and Box Build Technology. Based in Aurora, NE, they serve industrial, aerospace, medical device, and agriculture manufacturers. The company emphasizes quality, on-time delivery, and engineering expertise for complex electronic assembly needs.

Richardson, TX

Axiom Manufacturing, LLC, based in Richardson, TX, specializes in comprehensive electronics manufacturing services (EMS). They provide complete PCB assembly, including both Surface Mount Technology (SMT) and Through-Hole Assembly, along with box build, cable assembly, and testing. The company serves various industrial clients.

Fremont, CA

Based in Fremont, CA, Bay Area Circuits specializes in quick-turn PCB manufacturing, fabrication, and assembly services. They leverage advanced technology and automation to provide end-to-end solutions for printed circuit board needs, including design, fabrication, and assembly for various industries.

Brenham, TX

Based in Brenham, TX, Bencor LLC provides specialized through-hole PCB assembly services. The company offers both manual and automated soldering solutions for various demanding applications. Bencor serves clients in the military, aerospace, and other high-reliability sectors across Texas and throughout the United States.

South Elgin, IL

Based in South Elgin, IL, BESTProto specializes in quick-turn PCB assembly services for prototype and low-volume production. The company delivers reliable and IPC-certified printed circuit board assemblies. They offer comprehensive services to support diverse electronics manufacturing needs, ensuring quality and speed for various projects.

B&G Electronic Assembly, Inc. is a Woman Owned Small Business, established in 1995, operating as a full-service Contract Manufacturer. They specialize in low to high volume electronic assemblies, including PCB, custom cable, wire harness, and molded assemblies for military and commercial applications.

Santa Ana, CA

Based in Santa Ana, CA, PARPRO Technologies, formerly Cal Quality Electronics, is a full-service Electronics Manufacturing Services (EMS) supplier. The company provides complete through-hole manufacturing capabilities, PCBA, cable assembly, and full system integration. With over 30 years of experience, PARPRO Technologies is ISO, AS9100C, and ITAR registered.

Jacksonville, IL

Based in Jacksonville, IL, CCK Automations LLC specializes in advanced Printed Circuit Board (PCB) assembly services. They offer SMT and thru-hole technologies for rapid prototyping and high-volume production. Serving industries like automotive and industrial controls, the company delivers precision-engineered solutions focused on high-performance and reliability.

Plano, TX

Circuit Design Specialties Inc., based in Plano, TX, provides complete electronic and mechanical assembly services. Specializing in PCB assembly, they support new product development, prototyping, and full production. The company offers box-build assembly for industrial, military, and medical clients, managing projects from concept to completion.

Dayton, OH

Based in Dayton, OH, Circuit Pak, Inc. is an ISO 9001:2015 registered electronic contract manufacturer. With 40 years of experience, they specialize in both surface mount and through-hole PCB assembly, supported by IPC trained staff. Services include kitting, quality control, and value-added options like conformal coating and box builds.

A&A Electronics Assembly provides comprehensive Printed Circuit Board (PCB) assembly services for projects from simple to complex, with various layers. Their capabilities include Surface Mount Technology (SMT), Through-Hole assembly, cable harnessing, and testing services, offering complete electronic assembly solutions for clients.

Centennial, CO

Based in Centennial, CO, Colorado PCB Assembly specializes in printed circuit board (PCB) assembly services. They provide leaded PCB assembly, utilizing tin-lead solder alloys, and offer comprehensive solutions for various electronic manufacturing needs. Their services support diverse industrial and commercial applications.

Schaumburg, IL

Based in Schaumburg, IL, Creative Hi-Tech specializes in mixed technology PCB assembly services. They seamlessly integrate both surface mount (SMT) and through-hole (THT) components into robust electronic designs. The company provides comprehensive manufacturing solutions for diverse industries, ensuring high-quality and reliable circuit board production.

Leander, TX

Based in Leander, TX, Cypress Technologies offers comprehensive electronics manufacturing services. Specializing in custom PCB assembly, electromechanical systems, box builds, cable harnesses, and panel assemblies, they serve industries such as alternative energy, military, and robotics. The company is ISO 9001:2015 certified with over 37 years of experience.

Santa Ana, CA

Based in Santa Ana, CA, DEC Electronic Assembly LLC provides quick-turn, high-mix, prototype to low-volume electronic assembly services. They cater to Military, Aerospace, Telecommunications, Medical, and Commercial sectors, holding AS9100, ISO 9001, and ITAR certifications.

Oakland, CA

Based in Oakland, CA, Digicom Electronics is a certified Small Business manufacturing electronics since 1982. The company supports flight-critical, defense-grade, and life-saving systems for aerospace, defense, medical, industrial automation, IT, and railway industries.

Dallas, TX

Based in Dallas, TX, Eagle Circuits Inc. offers complete PCB solutions, encompassing in-house layout, fabrication, assembly, and testing services. Their 18,000 sq ft facility supports quick-turn prototypes through production runs. The company is an active IPC member, emphasizing quality and American manufacturing standards for clients.

Fremont, CA

Based in Fremont, CA, Epoch Technologies offers comprehensive electronics manufacturing services, from design and prototyping to SMT assembly and precision testing. They provide full-spectrum services for industries like medical, automotive, and industrial automation, handling projects from concept through mass production.

Based in Lancaster, PA, ETEMCO specializes in precision through-hole PCB assembly services. The company utilizes IPC-610-certified soldering, including selective and wave soldering techniques. They maintain rigorous quality control to ensure reliable and high-quality electronic assemblies for their clients.

Des Moines, IA

Based in Des Moines, IA, ETI Manufacturing delivers electronic contract manufacturing services. Since 1990, they specialize in custom PCB assembly, including wire and cable harness assembly, and integrated box build solutions. ETI serves industrial products, medical equipment, and aerospace technology applications with rugged, precise assemblies.

Round Rock, TX

Based in Round Rock, TX, East/West Manufacturing Enterprises provides electronics contract manufacturing, specializing in PCB Assembly, Box Builds, and System Integration. They offer NPI for pilot orders and full turnkey services. The company holds AS9100, ISO 9001, ISO 13485, and IPC certifications, serving industrial, medical, automotive, aerospace, and defense sectors.

Orange County, CA

Based in Orange County, CA, EXPERT-EMS provides contract electronic manufacturing (CEM) services, specializing in PCB assembly and full turnkey solutions. Since 1997, the company has supported OEM customers across diverse sectors such as Aerospace, Medical, Electric Vehicle, and Military industries, ensuring quality and on-time delivery.

San Diego, CA

Based in San Diego, CA, Fine Electronic Assembly, Inc. is an ISO 9000 compliant contract manufacturer of PCB assemblies, cables, wire harnesses, and box builds. Specializing in through-hole assembly, they support medical, industrial, telecommunications, and commercial electronics industries, delivering high-quality products since 1999.

Jacksonville, IL

Foxtronics EMS, based in Windsor, CT, provides end-to-end PCB assembly (PCBA) services across the USA. They support prototyping through high-volume production of high-performance PCB assemblies, box builds, and electronics systems. The company serves critical industries like aerospace, medical devices, and robotics.

San Jose, CA

Based in San Jose, CA, Green Circuits provides rapid prototyping, NPI, and production manufacturing for high-quality PCB assembly. They specialize in single, multi-layer flexible and rigid circuit boards, from prototype to low-volume. The company adheres to stringent quality standards, including ITAR and ISO certifications.

San Marcos, CA

Based in San Marcos, CA, Hughes Circuits is a fully integrated electronics manufacturing service (EMS) company. It offers complete PCB layout, fabrication, and full-service PCB assembly, plus precision metal fabrication. They specialize in quick-turn, high-reliability products for military and medical sectors, delivering populated assemblies from schematic.

Marina, CA

Based in Marina, CA, Indtec Corporation is a contract manufacturer specializing in PCBA and cable assembly. They offer both through-hole and surface mount assembly, alongside box build and test services. With over 30 years of experience, Indtec serves industrial measurement and controls businesses, producing over 120,000 circuit boards annually.

Rollinsford, NH

Based in Rollinsford, NH, Janco Electronics, Inc. is an ISO 13485:2016 certified electronics contract manufacturer. The company specializes in through-hole and surface mount PCB assembly, electromechanical box builds, and electronics testing services. Janco Electronics serves diverse sectors including medical, defense, aerospace, and telecommunications.

Austin, TX

Based in Austin, TX, Kodiak Assembly Solutions, LP provides flexible electronic manufacturing services. They specialize in high-mix PCB assembly from prototype to high-volume, including surface mount and mixed-technology components. Services extend to box build assembly, system integration, and advanced testing. The company is ISO 9001:2015 and ITAR certified.

Davie, FL

Based in Davie, FL, KUS provides professional wave soldering services for Printed Circuit Board Assembly (PCBA) to OEM manufacturers. The company's trusted wave soldering process ensures high-quality PCB production for various industrial applications.

Brisbane, CA

Based in Brisbane, CA, LeeMAH Electronics is an electronic manufacturing services provider specializing in Printed Circuit Board Assembly (PCBA), custom cable, and box build manufacturing. They serve aerospace, defense, medical, and transportation industries, handling high-mix, low-to-medium volume production. The company is AS-9100D and ISO:9001-2015 certified.

Levison Enterprises is an electronic manufacturer certified to AS9100, ISO 9001, and ISO 13485 standards. They specialize in electronic assembly services, offering through-hole PCB manufacturing and comprehensive electronic repair. The company serves military, aerospace, medical, and industrial markets with full-service solutions.

Matric Group, based in Freeport, PA, provides electronics contract manufacturing services. They specialize in Surface Mount (SMT) and Through-Hole (THT) PCB assembly, along with cable & harness and electromechanical solutions. Serving OEMs in aerospace, medical, and industrial sectors, Matric handles complex assemblies from certified US facilities.

Fremont, CA

Based in Fremont, CA, Meritronics provides comprehensive PCB design and product assembly services, including through-hole assembly and box build assembly. They specialize in full system integration, offering complete manufacturing solutions for electronic products.

Newbury Park, CA

Based in Newbury Park, CA, Multilayer Prototypes, Inc. (MPI) specializes in quick-turn prototype PCB fabrication. They offer comprehensive turnkey services, including PCB layout, reverse engineering, and full assembly. MPI serves as a quality-focused, one-stop shop for electronics manufacturing, providing efficient solutions for diverse client needs.

Plano, TX

Based in Plano, TX, Nimbletronics, LLC is an electronics manufacturing services provider specializing in quick-turn assembly of printed circuit boards. They offer low volume capabilities for high mix varieties, dedicated to reliable on-time delivery of high-quality products and service.

Mankato, MN

Ninja Circuits, based in Mankato, MN, specializes in low volume PCB assembly for prototypes and small runs. The company focuses on building Printed Circuit Boards quickly and accurately, ensuring high quality manufacturing. They offer their assembly services exclusively within the United States, providing a reliable domestic solution.

Livonia, MI

Based in Livonia, MI, Odyssey Electronics offers a comprehensive range of PCB assembly services. They specialize in both wave and selective soldering for through-hole technology, alongside surface mount technology (SMT) and full turnkey assembly solutions for printed circuit boards.

Omega EMS Inc. delivers comprehensive electronics manufacturing services, including New Product Introduction, engineering, and testing. They specialize in cables, harness assembly, system integration, and refurbishment for diverse sectors. The company serves industrial, medical, mil/aero, and high-tech clients.

Southlake, TX

Imagineering, Inc., based in Southlake, TX, specializes in printed circuit board fabrication and assembly services. They offer precision PCB assembly, including prototyping and turnkey solutions. With ITAR, AS9100D/ISO9001:2015, SAM, and RoHS certifications, the company provides comprehensive PCB manufacturing capabilities for various brands.

Chatsworth, CA

Based in Chatsworth, CA, PCB Power offers end-to-end PCB solutions, including fabrication, assembly, and component sourcing. The company handles projects from rapid prototyping to high-volume production, serving industries such as consumer electronics, medical equipment, and industrial systems.

Nutley, NJ

PNC Inc. is a Nutley, NJ-based PC board manufacturer with 48 years of experience in the northeast United States. They provide comprehensive services including PCB design, fabrication, and assembly. Specializing in demanding sectors such as High Frequency RF/Microwave, Audio, Defense, and Medical, PNC delivers high-quality circuit board solutions.

Gardena, CA

Based in Gardena, CA, Qual-Pro is a contract manufacturer providing comprehensive PCB engineering and assembly services. They offer electronics manufacturing solutions from design and prototyping to full-scale production. Qual-Pro operates US facilities and adheres to stringent industry standards, including ISO 9001, AS9100, and ISO 13485 certifications.

Grand Prairie, TX

REYcomp INC, based in Grand Prairie, TX, specializes in electronic assembly, offering surface mount (SMT) and through-hole (TH) PCB assembly. They also provide wire harnesses, box builds, and prototyping. With 25 years of experience, REYcomp adheres to IPC-A-610 and AS9102 standards for industrial clients.

Houston, TX

RJ Electronic Assemblies is a Houston, TX-based electronic contract manufacturer offering comprehensive services including through-hole (THT) and surface mount (SMT) assembly. They provide full electronic product manufacturing, from component procurement to electro-mechanical and box build assembly, serving various industrial clients.

Milpitas, CA

Based in Milpitas, CA, RUSH PCB Inc provides comprehensive PCB prototype fabrication and assembly services. This US-based manufacturing company specializes in delivering high-quality printed circuit board solutions, offering a one-stop service for both design and assembly needs.

El Dorado Hills, CA

Sacramento PCB Assembly, based in El Dorado Hills, CA, provides comprehensive PCB assembly. Services span part procurement to final shipping, utilizing advanced technology and skilled craftsmanship. They offer automated/manual component placement and diverse soldering methods. Quality is ensured through 3D AOI/X-Ray inspection, with ISO 9001/13485 certifications.

San Jose, CA

Based in San Jose, CA, Sanmina Corporation offers comprehensive electronics manufacturing services, including integrated PCB and PCBA. They provide end-to-end contract manufacturing for well-known OEMs, with capabilities spanning cloud, AI, and data center infrastructure manufacturing from their US facilities.

San Mateo, CA

SF Circuits provides comprehensive PCB assembly services, including both Surface Mount Technology (SMT) and Through-Hole Technology (THT) assembly. The company offers full-service electronic manufacturing solutions from prototyping to high-volume production, specializing in box build assembly for diverse industries.

Chino, CA

Based in Chino, CA, Sierra Assembly Technology LLC is a US-based PCB assembly company specializing in services from prototype to production. They operate dedicated Through-hole (PTH) and Surface Mount (SMT) assembly lines, with quick-turn capabilities. Sierra Assembly serves diverse industries, including defense, healthcare, government, and entertainment.

Anaheim, CA

Based in Anaheim, CA, SI Manufacturing is a contract electronics manufacturer specializing in custom solutions. They offer comprehensive through-hole and surface-mount PCA assembly, mechanical assembly, and electronic testing. The company provides fast turn-around times, serving sectors like space, mil-spec, medical, and high-grade industrial applications.

Fremont, CA

Based in Fremont, CA, Sonic Manufacturing Technologies provides high-quality electronic assembly services. Specializing in wave and selective wave soldering for mass production, they also offer reflow soldering capabilities and comprehensive board layout services for various industries.

Watertown, SD

Spartronics is a U.S.-based electronics contract manufacturer specializing in complex, mission-critical products. The company provides contract manufacturing services for printed circuit board assemblies (PCBAs), subsystem integration, and full-box builds, serving regulated markets such as aerospace, defense, medical, and life sciences.

Anaheim, CA

Based in Anaheim, CA, Technotronix offers electronics manufacturing services, specializing in through-hole and surface mount PCB assembly. They provide prototyping, box-build, electro-mechanical, and cable/wire harness assembly. Value-added services include conformal coating, BGA assembly, testing, and RoHS compliance for various industrial sectors.

Cleveland, OH

The Technology House, based in Cleveland, OH, provides advanced contract manufacturing services for prototyping and production. Utilizing high-tech equipment, the company offers comprehensive manufacturing solutions for various industries, including those requiring intricate through-hole assembly processes.

San Diego, CA

Based in San Diego, CA, VAS Engineering provides electronics contract manufacturing, specializing in PCBA manufacturing and assembly. With over 30 years of experience, they apply a lean approach to optimize production. The company offers on-shore services, focusing on reducing costs and accelerating delivery for clients.

Huntington Beach, CA

Based in Huntington Beach, California, Vinatronic is a PCBA manufacturer providing comprehensive PCB assembly services. The company handles projects from PCB prototype through full production, offering cost-effective solutions for various industries.

Austin, TX

VIRTEX, an Electronic Contract Manufacturer based in Austin, TX, specializes in Electronic Manufacturing Services (EMS). They offer comprehensive solutions including Printed Circuit Assembly, box build, and system integration, along with design and supply chain management. VIRTEX serves the Military & Aerospace, Medical, and Industrial sectors.

Warwick, RI

Based in Warwick, RI, VR Industries delivers high-reliability through-hole PCB assembly services for demanding applications. They utilize selective soldering expertise and rigorous quality control to provide robust electronic solutions, focusing on strengthening manufacturing supply chains.

San Jose, CA

Based in San Jose, CA, Valley Services Electronics (VSE) is a US-based contract manufacturer providing comprehensive PCB and electronic assembly services. They offer PCBA design, engineering, procurement, wire harness assembly, and box build solutions. VSE serves critical industries like medical, semiconductor, aerospace, and automotive.

Carson, CA

Based in Carson, CA, YIC Assembly is an ISO-certified electronics contract manufacturer with 30+ years experience. They offer full-service printed circuit board assembly, including Through-Hole, SMT, and BGA. Supporting projects from prototyping to mid-volume production, they also provide extensive add-on services.

Phelps, NY

Based in Phelps, NY, Z-AXIS offers electronic design and manufacturing services. They specialize in printed circuit board assembly, including through-hole and surface mount technology, alongside wire harness assembly and full box builds. Z-AXIS is an ISO 9001:2015 certified US-based facility, handling diverse production volumes.

Stafford, TX

Based in Stafford, TX, Electro Circuits, LLC provides comprehensive PCB and PCBA manufacturing services, including through-hole assembly. The company specializes in producing various types of circuit boards with a focus on fast turnaround times and competitive pricing for projects manufactured in the USA.

Miami, FL

FS Circuits is a US-based manufacturer specializing in comprehensive PCB solutions. They provide rapid prototyping and full production services, including advanced Surface Mount Technology (SMT) and Through-Hole assembly. The company offers turnkey solutions, various testing options, and box build services for a diverse range of industries.

Gray, TN

Based in Gray, TN, IES Gray offers state-of-the-art PCB assembly services, utilizing advanced manufacturing processes and experienced professionals. The company focuses on efficiently bringing clients' products to market.

PCB Assembly Express, an Oregon, USA-based electronic contract manufacturer, provides full-service PCB assembly using SMT and through-hole technology. They offer PCB fabrication, design, wire harness assembly, and box build, specializing in low-to-medium volume production with quick-turn options.

Newark, CA

Venture Manufacturing, located in Newark, CA, is an Electronics Manufacturing Services (EMS) provider. They specialize in direct Through-Hole Technology (THT), SMT, and mixed technology PCB assembly. The company offers comprehensive manufacturing solutions, including prototyping and box build, for medical, defense, and industrial applications.

Aurora, CO

Based in Aurora, CO, AdvancedPCB is an American-based manufacturer offering a full suite of PCB design, manufacturing, and assembly services. They specialize in cutting-edge Rigid, Flex, and Rigid-Flex PCBs for demanding sectors including Defense & Aerospace, Medical Technology, Industrial & Robotics, and Telecommunications. The company also provides quick-turn and rapid prototyping.

Torrington, CT

Based in Torrington, CT, Altek Electronics, Inc. is an electronic contract manufacturer. They specialize in turnkey PCB assembly and circuit card assembly, featuring wave soldering capabilities for high-quality production. Offering comprehensive services, including box build, they serve industrial clients throughout the Northeast US and beyond.

Orange County, CA

CEMFG specializes in providing comprehensive electronics manufacturing services. Their expertise includes intricate circuit board assembly, which encompasses through-hole and surface-mount technologies. They also offer advanced machine programming and execution services, catering to various industry demands from their Orange County, CA location.

Sunnyvale, CA

Based in Sunnyvale, CA, De Anza Manufacturing Services Inc. provides comprehensive electronic manufacturing services. They specialize in manual soldering, electro-mechanical sub-assemblies, and box build solutions. Additional offerings include kitting and RF manufacturing, supporting various industries with high-quality assembly and integration.

Jasper, IN

Kimball Electronics, based in Jasper, IN, offers Electronics Manufacturing Services (EMS) and Contract Manufacturing. Serving automotive, industrial, and medical markets, the company provides comprehensive solutions including engineering and design services, leveraging 65 years of experience in quality manufacturing.

Based in Westford, MA, Mack Technologies provides printed circuit board and systems assembly services. The company specializes in electronics contract manufacturing for complex products in high mix, low to medium volume environments. They serve clients across defense, aerospace, medical device, and industrial sectors.

Oakhurst, NJ

Based in Oakhurst, NJ, ME Electronics LLC is an electronics contract manufacturer specializing in comprehensive PCB assembly services. The company offers through-hole (THT), surface mount (SMT), and mixed technology assembly, alongside box build and electro-mechanical assembly, prototyping, and testing for various electronic components.

Chantilly, VA

MFG One is a U.S.-based electronic contract manufacturer specializing in box build assembly. They offer comprehensive product lifecycle support from design and sourcing to assembly and fulfillment. Serving diverse industries like medical devices, consumer electronics, and industrial, MFG One combines U.S. execution with a robust global supply chain.

NEOTech provides comprehensive electronics manufacturing solutions for advanced technology OEMs. They offer product assembly, testing, and associated services to high-tech industrial, aerospace & defense, and medical equipment sectors. As an Electronic Contract Manufacturing (ECM) provider, NEOTech supports complex electronic product needs.

Phoenix, AZ

Based in Phoenix, AZ, Titan Circuits offers comprehensive electronic manufacturing services, specializing in printed circuit board assembly from prototype to production. They utilize state-of-the-art equipment for assembling components down to 01005 passives, QFNs, and BGAs. Their staff adheres to IPC-A-610G and J-STD-001G standards.

American Fork, UT

Precision Assembly, based in American Fork, UT, specializes in comprehensive printed circuit board assembly, including SMT and leaded (through-hole) technologies. They manage projects from pilot runs to full production with RoHS compliance. The company also offers box-builds and electro-mechanical assembly services.

Sierra Circuits provides American-made PCB prototypes and comprehensive assembly services, including full turnkey solutions with components. Since 1986, the company has offered high-quality, precise manufacturing with expedited turnaround times for printed circuit boards, all within the United States.

Wooster, OH

RBB Systems specializes in providing legacy support services for circuit boards and industrial control panels. They ensure customers can continue using existing products without needing to phase them out, offering long-term support solutions.

New Athens, IL

Based in New Athens, IL, Siemens Manufacturing offers expert through hole assembly services. The company provides a range of electronic manufacturing capabilities including surface mount assembly, BGA assembly, automated optical inspection, product testing, box build assembly, X-Ray, and conformal coating, serving markets like automotive.

Palm Bay, FL

Based in Palm Bay, FL, Syncron EMS offers comprehensive PCBA services from its 50,000-square-foot lean manufacturing facility. They provide optimized design, efficient NPI, prototyping, and smart testing for medium to high complexity boards. Syncron handles production volumes from 1,000 to over 100,000 pieces.

Livingston, TX

Texan EMS is an electronics manufacturing services provider based in Livingston, TX. They specialize in custom electronics manufacturing, offering comprehensive services like PCB, surface mount, and through-hole assembly. The company also provides box build, prototyping, and testing services for diverse industrial needs.

Loveland, CO

Based in Loveland, CO, Vergent Products provides comprehensive electronic contract manufacturing services. They specialize in thru-hole PCBA assembly, box build, and product design for various industries, including aerospace, medical, and industrial. With over 30 years of experience, the company holds ISO 9001, AS9100D, and ISO 13485 certifications.

Tempe, AZ

Based in Tempe, AZ, Benchmark is a global electronics manufacturing services (EMS) provider. They specialize in high-reliability mixed technology modules and printed circuit board assembly (PCBA), encompassing through-hole assembly. Benchmark offers design, engineering, manufacturing, testing, and fulfillment services for industrial customers.

ACTIA EMS delivers electronic manufacturing services with an integrated approach to product lifecycle management, from production to long-term support. Specializing in on-board electronic systems, the company designs and manufactures solutions for connected, safe, and sustainable mobility, emphasizing stringent quality control and testing across all stages.

Houston, TX

Based in Houston, TX, EMS LLC provides comprehensive electronic manufacturing services, specializing in PCB assembly. They offer both Surface Mount Technology (SMT) and Through-Hole Technology (THT) assembly, alongside box build and testing. Serving industrial, defense, and medical sectors, EMS LLC delivers advanced manufacturing solutions.

Farmers Branch, TX

Based in Farmers Branch, TX, Full Circle Electronics US provides comprehensive electronics manufacturing services. The company specializes in various aspects of electronics assembly, including Through Hole Assembly, serving industrial and commercial clients.

Louisville, KY

Based in Louisville, KY, Win2uit Electronics provides comprehensive electronics manufacturing services. Their skilled technicians offer expertise in surface mount technology (SMT), BGA, and through-hole component rework, serving various industrial and commercial clients.

Farmersville, TX

PM Assembly LLC is a Texas-based contract manufacturer specializing in printed circuit board assembly. They provide comprehensive services including through-hole assembly, surface mount technology (SMT), PCB design, and full box build solutions for various electronic manufacturing needs.

Austin, TX

Based in Austin, TX, TMS Technology is an electronic contract manufacturer specializing in printed circuit board assembly (PCBA) solutions. The company provides a full range of services, including surface mount technology (SMT) and through-hole assembly (THT), catering to fast-turn prototypes, new product introductions, and low-to-mid volume production runs.

XLR8 EMS provides high-quality, scalable electronics manufacturing services for high-performance needs. The company offers full thru-hole and selective solder assembly with speed, precision, and flexibility. Based in Southern California, they ensure all assemblies are proudly Made in the USA, supporting American jobs and innovation.

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How to Choose a Company

  • Verify their wave soldering oven profile control for consistent solder fillets, especially when dealing with varying board thicknesses or heat sinks that might otherwise lead to insufficient hole fill or thermal shadowing.
  • For defense, aerospace, or medical devices, insist on demonstrated compliance with IPC-A-610 Class 3, including documented processes for component lead forming, cleanliness standards, and specific hand soldering operator certifications.
  • Be wary of suppliers who provide significantly lower quotes without asking about your specific component lead lengths, clinch requirements, or critical standoff heights; these omissions often indicate a lack of attention to detail that compromises solder joint reliability.
  • Assess their selective soldering capabilities if your design has a high density of surface-mount components immediately adjacent to through-hole pads, as this prevents bridging or damage that traditional wave soldering could induce in such tight spaces.

Frequently Asked Questions

When should I choose selective soldering over traditional wave soldering for through-hole components?

Selective soldering is ideal for boards with a high density of surface-mount components (SMT) or heat-sensitive parts located too close to through-hole pads for a full wave process. It precisely applies solder only to the through-hole pins, preventing SMT component tombstoning, bridging, or thermal damage. Traditional wave soldering is more cost-effective for boards predominantly populated with through-hole components, or for double-sided boards where SMT can be reflowed on one side and through-hole waved on the other. Your board layout and component mix dictate the most efficient and reliable method.

What are the critical Design for Manufacturability (DFM) considerations for through-hole assembly?

Key DFM considerations for through-hole assembly include proper pad-to-hole ratios for optimal solder wicking and fillet formation, ensuring adequate spacing between components to allow for tooling (like wave soldering pallets or selective soldering nozzles) and manual component insertion. Specifying appropriate lead clinch requirements can enhance mechanical retention before soldering. Additionally, designing with thermal relief pads for through-hole component leads on ground or power planes is crucial to prevent insufficient solder fill caused by heat sinking effects during soldering.

How does a supplier ensure solder joint reliability for through-hole components in high-vibration or thermal cycling environments?

A competent supplier will implement robust process controls for solder paste application, wave or selective soldering temperature profiles, and cooling rates to create strong, void-free solder joints. They will adhere strictly to IPC-A-610 Class 2 or 3 standards, which dictate minimum solder fill, fillet shape, and component lead bend radius. For harsh environments, they might employ techniques like proper component lead forming (e.g., stress relief bends), ensure appropriate component standoff heights to absorb vibration, and utilize conformal coating or potting where mechanically advantageous. Regular process auditing and operator training on hand soldering techniques for rework are also essential.

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