Based in Elgin, IL, A2Z EMS offers end-to-end electronics contract manufacturing services for OEMs. They specialize in flexible low-mid volume, high-mix production, including PCB assembly, SMT, through-hole, cable/wire, and box build. Their US facility operates under ISO, IPC, and ITAR standards.
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Electronics Manufacturing Services
Last updated: January 2026
Buyers in the electronics space are solving critical problems such as accelerating time-to-market for new designs, mitigating risks from component shortages in their Bill of Materials (BOM), and efficiently scaling production from low-volume prototypes to high-volume outputs. They require partners capable of delivering expert Design for Manufacturability (DFM) support, precise PCBA, intricate cable harness assembly, and comprehensive systems integration.
Electronics Manufacturing Services (EMS) providers range significantly in their core competencies. Some specialize as boutique NPI houses, excelling in rapid prototyping, complex rigid-flex designs, and offering deep engineering engagement for startups. Others are optimized for high-volume, low-mix production, focusing on cost efficiencies, automated testing (like AOI and ICT), and extensive global supply chain networks for enterprise clients. A distinct segment focuses purely on highly regulated markets, securing certifications such as ISO 13485 for medical devices or AS9100 for aerospace and defense applications.
To engage effectively, buyers should prepare comprehensive documentation including complete Gerber files, a detailed BOM with approved manufacturer part numbers, precise assembly drawings, and explicit test specifications. Suppliers, in turn, expect a clear understanding of production volumes, regulatory compliance needs, and the product's intended lifecycle, enabling them to provide accurate NRE (Non-Recurring Engineering) costs for tooling and test fixture development, alongside competitive unit pricing.
Company Directory
90 companies nationwide
Based in Seattle, Washington, AalokTronix Inc. provides electronics manufacturing services, including electronic assembly, PCB assembly, and final assembly. They offer prototype and turnkey solutions, alongside comprehensive design and engineering support, serving clients across the USA.
Based in Aurora, CO, AdvancedPCB provides comprehensive Printed Circuit Board (PCB) design, manufacturing, and assembly services. This American-based manufacturer offers quick-turn and rapid prototype solutions. They support various industries, including defense, aerospace, medical technology, industrial robotics, and telecommunications.
Based in Lathrop, CA, AlteraFlex Circuits provides quick-turn PCB prototype manufacturing, optimization, and assembly services. The company focuses on delivering comprehensive electronics manufacturing solutions to support rapid development and production needs for various industries, leveraging over a decade of experience.
Based in Akron, OH, Anzer provides electronic manufacturing and supply chain services. They specialize in PCB assembly and electronic contract manufacturing, offering custom electronics design and production. Anzer delivers precision-crafted solutions for prototyping through mass production, leveraging over three decades of experience.
Based in Fort Wayne, IN, API Alliance, Inc. is a contract manufacturer providing custom electronic and electro-mechanical assemblies. Specializing in circuit board assembly, operator interface panels, and communication controls, they offer services from critical sub-assembly to complete turnkey solutions. API Alliance has served the industry since 1995.
Based in College Station, TX, ARQ Electronics Manufacturing Services, Inc. provides comprehensive electronics manufacturing services. The company focuses on exceeding client expectations for quality, schedule, and cost, offering full electrical and mechanical design and development engineering. ARQ is proudly ISO 9001:2015 certified.
Based in Fremont, CA, Bay Area Circuits specializes in quick-turn printed circuit board (PCB) manufacturing. They provide end-to-end services, including PCB fabrication, design, and assembly for various applications. The company leverages advanced technology and automation to streamline its production processes for customized solutions.
Based in Brenham, TX, Bencor LLC is an ISO 9001:2015 certified contract manufacturer. The company specializes in electronics manufacturing services, providing solutions for a diverse client base across Texas and numerous other states throughout the United States.
Based in Stafford, TX, Blind Buried Circuits Inc provides quick-turn PCB manufacturing and assembly services. They offer modernized solutions for single-sided, double-sided, multilayer, and HDI circuit boards, specializing in product development sectors.
ACME PCB Assembly provides comprehensive Electronic Manufacturing Services (EMS) from Carson, CA. Specializing in PCB assembly, they offer SMT, BGA, thru-hole, and turnkey solutions, plus box builds and conformal coating. The company holds ISO 9001:2015 and ISO 14001:2015 certifications, ensuring IPC-610 Class I-II-III quality.
Based in Dayton, OH, Circuit Pak, Inc. specializes in electronic contract manufacturing services. They provide surface mount and through-hole assembly, kitting options, and robust quality control. Value-added services like conformal coating, laser serialization, and box builds further support diverse PCB assembly requirements.
Based in Boston, MA, Creation Technologies is an Electronics Manufacturing Services provider. The company specializes in high-reliability applications for clients in aerospace & defense, medical & life sciences, and tech industrial markets. Their offerings encompass manufacturing, engineering solutions, new product introduction, and aftermarket services.
Based in Leander, TX, Cypress Technologies delivers full-service electronics manufacturing solutions. Capabilities include custom PCB assembly, electromechanical integration, box builds, and cable harnesses, supported by engineering and supply chain management. Serving industries like alternative energy, military, and robotics, they provide rugged, high-performance electronic systems since 1987.
Based in Oakland, CA, Digicom Electronics specializes in comprehensive Electronics Manufacturing Services. They provide expert PCB assembly, rapid prototyping, and complex box-build solutions. Digicom serves critical industries including medical devices, aerospace, defense, telecom, industrial automation, and railways, ensuring precision for diverse applications.
Based in Dayton, OH, E-Mek provides comprehensive electronics manufacturing services, specializing in PCB assembly, including prototype, through-hole, and SMT. The company also offers final assembly, test, rework, repair, and conformal coating solutions for various industries.
Based in Dallas, TX, Eagle Circuits delivers complete PCB solutions from layout and design through fabrication, assembly, and testing. The company operates an 18,000 sq ft in-house facility, emphasizing USA-built quality, speed, and adherence to IPC standards. They support quick-turn prototypes through production runs.
Based in San Marcos, TX, Ember Industries provides comprehensive Electronic Manufacturing Services (EMS) and contract manufacturing. They offer turn-key assembly for Printed Circuit Assemblies, electromechanical devices, wire/cable harnesses, and complete mechanical builds. Specializing in low to medium volume production, they are IPC, RoHS, and ITAR compliant.
Based in Lancaster, PA, ETEMCO is an electronic manufacturing services company specializing in printed circuit board (PCB) assembly. They provide tailored solutions for customers with specific circuit board requirements, focusing on high-quality electronic assemblies for various industrial and commercial applications.
Based in Des Moines, IA, ETI Manufacturing provides comprehensive electronic contract manufacturing services. They specialize in rugged, precise, and reliable PCB assembly, wire and cable harness assembly, and integrated box build solutions. Serving OEMs since 1990, ETI offers custom solutions for industrial products, medical equipment, and aerospace technology applications.
East/West Manufacturing, in Round Rock, TX, provides electronics manufacturing services: PCB assembly, box builds, and system integration. They offer turnkey solutions for industrial, medical, and aerospace markets. The company is AS9100 and ISO 13485 certified.
Based in Orange County, CA, EXPERT-EMS provides contract electronic manufacturing (CEM) services. Capabilities include PWA PCB fabrication, PCB assembly, cable and wire harness, and box build. The company serves OEM customers across industries like aerospace and medical markets.
Based in El Paso, TX, First Texas Products provides a full range of electronics manufacturing and electromechanical assembly services. This US-owned company offers consignment and complete turnkey manufacturing solutions to customers across diverse industries. Utilizing advanced equipment and a skilled US workforce, they efficiently produce all quantities.
Based in Windsor, CT, Foxtronics EMS delivers end-to-end PCB assembly (PCBA) services across the USA. The company supports projects ranging from early-stage prototyping to high-volume production, ensuring comprehensive manufacturing solutions for clients.
Green Circuits Inc., based in San Jose, CA, offers comprehensive Electronics Manufacturing Services. They provide PCB design, fabrication, and assembly, along with system/box build, test & burn-in, BGA rework, and failure analysis. The company serves industries like aerospace, consumer electronics, and military hardware.
Based in Monroe, OH, Journey Electronics provides precision printed circuit board manufacturing and assembly services. They handle PCB layout, fabrication, and assembly for SMT and through-hole technologies. The company offers solutions for prototypes and high-volume runs, adhering to IPC-A-610 and IPC-A-600 standards.
Based in Austin, Texas, Kodiak Assembly Solutions provides flexible electronic manufacturing services. They specialize in high-mix PCB assembly, from prototype to high-volume, including SMT, mixed-technology, and box build. Services extend to turnkey system integration, RoHS/non-RoHS support, and advanced testing. The company is ISO 9001:2015 and ITAR certified.
Levison Enterprises provides comprehensive electronic manufacturing services (EMS) for OEMs, specializing in defense, aerospace, military, medical, safety, and industrial sectors. They assist with product development, design, manufacturing, testing, and assembly of electronic components, including redesign for parts obsolescence.
Based in Wylie, TX, Lone Star Circuits specializes in manufacturing Printed Circuit Boards. The company offers Flex and Rigid-Flex PCB solutions, meeting various specifications for industrial and commercial customers. They provide a range of capabilities for circuit board production.
Based in Columbus, OH, ADL Technology is an electronics contract manufacturer specializing in PC Boards and Printed Circuit Board Assemblies. They offer integrated electronics manufacturing and design services, partnering with clients from concept through to production. The company leverages advanced capabilities to deliver high-quality, customized electronic solutions.
Based in San Diego, CA, Masterwork Electronics provides Electronics Manufacturing Services. The company specializes in producing printed circuit board assemblies, cable and harness, electro-mechanical, and box build systems. They serve Original Equipment Manufacturers across industrial, communications/IoT, power/energy, transportation/automotive, and consumer markets.
Mirac LLC provides contract manufacturing services through state-of-the-art facilities located in Dayton, OH. The company operates production with a highly-trained and motivated staff, boasting over 200 years of combined experience in manufacturing operations.
Based in Dallas, TX, National Circuit Assembly is a U.S.A.-based PCBA contract manufacturer. They offer quick turn, prototype, small, and production quantity services. Capabilities include printed circuit board assembly, electro-mechanical assembly, wire harnesses, and complete box builds, serving Defense/Aerospace, Medical, and Telecommunications markets.
Based in Sugar Land, TX, Niltronix Circuits specializes in quick-turn electronics manufacturing services. The company provides printed circuit board fabrication (rigid, flexible, rigid-flex), PCB assembly, box build assembly, system integration, and cable/wire harness assembly. They support projects from prototyping through full production runs.
Omega EMS Inc. provides comprehensive electronics manufacturing services from Silicon Valley. Capabilities include New Product Introduction, engineering, cable and harness assembly, system integration, and testing. They also offer upgrades, repair, and refurbishment. The company serves diverse sectors like Consumer, Advanced Industrial, Medical, Mil/Aero, High Tech, and Electrification.
Based in Lewisberry, PA, Optima Technology Associates, Inc. provides comprehensive Electronics Manufacturing Services, specializing in Printed Circuit Board (PCB) assembly and engineering. Their offerings include PCB fabrication, component procurement, engineering design support, box builds, functional testing, and supply chain management for diverse technology fields.
Paragon Robotics, based in Cleveland, OH, provides comprehensive Electronics Manufacturing Services. Their certified facility offers PCB assembly, ITAR-certified electronics production, testing, quality assurance, and engineering design integration. Holding AS9100, ISO9001, ITAR, and cGMP certifications, they ensure high-quality, regulated manufacturing solutions.
Based in Southlake, TX, Imagineering, Inc. specializes in high-quality printed circuit board fabrication, assembly, and prototyping services. They offer comprehensive turnkey solutions with quick turnaround. The company holds key certifications including ITAR, AS9100D/ISO9001:2015, and RoHS for its electronics manufacturing services.
Based in Chatsworth, CA, PCB Power delivers end-to-end PCB solutions, including fabrication, assembly, and component sourcing. They provide high-quality services for prototypes to large-scale production, ensuring precision and reliability for consumer, medical, and industrial electronics.
Based in Milpitas, CA, PCB Trace Technologies Inc provides comprehensive Printed Circuit Board Manufacturing and Full Turnkey PCB Assemblies. The company offers an online platform for instant quotes, simplifying the process for clients in the USA.
Based in Tualatin, OR, PCB Unlimited specializes in prototype and low volume PCB assembly services. They offer rapid turn times and instant online quoting and ordering for both assembly labor and electronic components, simplifying the entire procurement process for clients.
Based in Nutley, NJ, PNC Inc. specializes in prototype and low volume printed circuit board assembly. The company provides quick turnaround times, managing the full process from component procurement to final product assembly and testing. PNC Inc. holds AS9100D, ISO-9001-2015, and ITAR registrations, offering high-quality electronics manufacturing services.
Based in Houston, TX, PPSI Manufacturing is an electronics manufacturer specializing in comprehensive PCB assembly services. They offer surface-mount technology (SMT), thru-hole assembly, RoHS compliance, BGA expertise, and handle components down to 0201s, serving various industrial clients.
Prime EMS, based in Suwanee, GA, provides advanced Electronics Manufacturing Services (EMS). They offer design, prototyping, and manufacturing, utilizing precision SMT lines and advanced robotics for high-reliability electronics. Serving diverse OEMs in energy, medical, and military sectors, Prime EMS holds ISO 9001, ISO 13485, AS9100, and ITAR certifications.
Based in Grand Prairie, TX, REYcomp offers electronic contract manufacturing services, specializing in automated circuit board assembly with thru-hole, SMT, and BGA technologies. They provide comprehensive testing and box build solutions. Serving industrial, aerospace, oil, gas, marine, and defense sectors, REYcomp operates an ITAR compliant facility.
RPC Electronics, based in Chagrin Falls, OH, provides Electronic Manufacturing Services. Specializing in PCB assembly, electromechanical assembly, panel building, and custom wire harnessing, the company also engineers and manufactures LCD displays and embedded computing systems for industrial, medical, and commercial OEMs.
Based in Milpitas, California, RUSH PCB Inc provides comprehensive electronics manufacturing services. The company specializes in one-stop PCB prototype fabrication and assembly, serving as a dedicated PCB manufacturing partner. They offer high-quality solutions for various electronic product development needs.
Based in El Dorado Hills, CA, Sacramento PCB Assembly offers comprehensive printed circuit board assembly services. They manage projects from part procurement to final shipping, utilizing cutting-edge technology for precision component placement and diverse soldering methods. Advanced inspection, including 3D AOI and X-Ray, ensures high quality. The company is ISO 9001 and 13485 certified.
Based in San Jose, CA, San Technology, Inc. offers comprehensive Electronics Manufacturing Services (EMS), specializing in full turnkey assembly solutions for high and low volume production. They provide services for diverse applications like Digital Utility Meters, POS systems, and display units. Santek also produces custom LCD modules, touch panels, and PCBs.
Based in Urbana, OH, Sarica Manufacturing provides contract manufacturing services and design support for customized electronics and electro-mechanical assemblies. They specialize in circuit card assemblies, custom cable assemblies, and wire harnesses. The company serves the aerospace, defense, medical, industrial, and automotive industries.
Based in Chino, CA, Sierra Assembly Technology LLC provides comprehensive PCB assembly and production services, from quick-turn prototypes in 24 hours to full production runs. With over 30 years of experience, they utilize PTH and SMT lines to serve industrial, commercial, defense, healthcare, and government clients.
Based in Austin, TX, Silicon Hills is a contract manufacturer specializing in printed circuit board assembly, including surface-mount and plate-through-hole technologies. They provide build-to-order services and expertise in material science, layout, manufacturing, and full system integration for high-tech product developers.
Based in Melbourne, FL, SMTC Corporation offers end-to-end electronics manufacturing services for the entire product lifecycle. Capabilities include PCBA production, systems integration, comprehensive testing, enclosure fabrication, and product design. They also provide sustaining engineering and supply chain management services, operating facilities across the United States.
Based in Fremont, CA, Sonic Manufacturing provides a complete range of electronic manufacturing services. Their expertise spans from New Product Introduction (NPI) to comprehensive supply chain management, ensuring top-quality and efficient production for their clients.
Sparqtron Corporation, based in Fremont, CA, specializes in Electronics Manufacturing Services, offering cutting-edge assembly and flexible High-Mix, Low-Volume (HMLV) solutions. They provide quick-turn and New Product Introduction (NPI) services for medical devices and AI-based products. The company holds ISO 9001, ISO 13485, FDA, and IPC Class 3 certifications.
Spartronics is a US-based electronics contract manufacturer specializing in complex, mission-critical products. They provide services including PCBA, subsystem integration, and full-box builds. Spartronics serves highly-regulated markets such as commercial aerospace, defense, medical devices, life sciences, instrumentation, control, and space.
Based in Tilton, NH, Spinnaker Contract Manufacturing, Inc. is a family-owned electronic contract manufacturer since 1976. The company provides turnkey manufacturing, PCB assembly (PCBA), custom wiring harnesses, and mechanical assembly. They also offer a full range of test solutions, serving defense and semiconductor markets.
Sunstone Circuits provides end-to-end PCB solutions, specializing in high-quality printed circuit board manufacturing and PCB assembly. The company handles quick-turn prototypes and advanced, high-performance builds, supporting clients from initial design through full-scale production.
Based in Anaheim, CA, Technotronix provides comprehensive electronic manufacturing services for industrial and medical sector OEMs. Capabilities include PCB fabrication, manufacturing, design, assembly, and quick-turn prototyping. The company applies DFM, DFA, and DFT principles early in the design phase for efficient, cost-effective production runs.
Based in Houston, TX, Trylene Inc. is an on-shore electronic manufacturer offering comprehensive services from concept development to full-scale production. They specialize in electronic manufacturing, rapid prototyping, engineering services, new product launch support, value engineering, and supply chain management.
Based in North Attleborough, MA, Distron Corporation is an Electronics Manufacturing Services (EMS) provider with over 50 years of experience. The company specializes in surface mount technology (SMT) assembly, complete box builds, product testing, and comprehensive supply chain management for various electronic products.
Based in Minneapolis, MN, Versa Electronics has provided electronic manufacturing services (EMS) and contract manufacturing since 1979. They specialize in printed circuit board assembly, offering engineering services and raw material expertise. The company supports OEMs with flexible solutions for product lifecycle and supply risk assessments.
Based in Austin, TX, VIRTEX provides Electronic Manufacturing Services (EMS) as an electronic contract manufacturer. They offer integrated solutions, including product engineering, supply chain management, printed circuit assembly, cable & harness, system integration, and test development for military & aerospace, medical, and industrial sectors.
Based in Phelps, NY, Z-AXIS Inc. offers comprehensive electronic design and contract electronics manufacturing services. Their capabilities include PCB assembly, box builds, and cable & wire assembly, providing integrated solutions for electronic product development and production.
Asteelflash is a provider of comprehensive Electronics Manufacturing Services (EMS). The company offers a full spectrum of solutions, encompassing everything from initial design and prototyping phases through to final assemblage of electronic products for various industries.
Based in Suwanee, GA, Avalon Technologies offers comprehensive electronic manufacturing services. They provide design, assembly, production, and testing for electronic components, devices, and systems. The company supports original equipment manufacturers (OEMs) across various industries, optimizing their production efficiency and quality.
California PCB Assembly offers comprehensive electronics manufacturing services, from printed circuit board assembly to complete product manufacturing, ready for shipment. With over four decades of experience, the company operates a state-of-the-art facility supporting industrial clients. They adhere to MIL-STD-2000 and IPC-A-610 standards.
Based in Lincoln, AR, EMS, Inc. provides electronics manufacturing services with over 19 years of experience. Core offerings include PCB design and assembly, cable and wire harness assembly, electro-mechanical assembly, and box build. They also offer rework, test fixture design, and component procurement for various industries.
OSH Park produces high-quality bare printed circuit boards. The company provides PCB fabrication services focused on prototyping, hobby design, and light production. Offerings include various board configurations like 6-layer, 4-layer, and standard prototypes, available with different lead times and pricing.
PCB Assembly Express, an Oregon-based electronic contract manufacturer, provides comprehensive Electronics Manufacturing Services. Offerings include PCB assembly, fabrication, design, wire harness, and box build. They support quick-turn prototypes to high-volume production with advanced SMT/through-hole technologies, inspection, and testing.
Based in Batavia, OH, Spectra-Tech Manufacturing Inc. offers comprehensive Electronics Manufacturing Services. They specialize in high-quality PCB manufacturing, PCB assembly, and complete component management. The company serves as a long-term manufacturing partner, providing a range of EMS applications to various markets and customers.
Based in Torrington, CT, Altek Electronics offers 50 years of experience in electronics manufacturing services. Specializing in turnkey electronic, PCB, circuit card, and box build assembly, they provide full product life cycle management. Altek supports OEM partners from design and prototyping through full production, ensuring quality and efficiency.
Based in McKinney, TX, Broach Bilt Manufacturing, Inc. provides electronic manufacturing services. They specialize in turnkey assemblies, offering full-scale production from prototypes. Capabilities include printed circuit board (PCBA) and cable assembly, programming, testing, box builds, and parts procurement. The company is ISO 9001 certified.
Based in Orange County, CA, CEM: Complete Electronics Manufacturing provides comprehensive electronics manufacturing services. They specialize in PCB assembly, offering prototype to full production runs including Pick and Place, Thru Hole, and custom circuit board assembly. The company serves diverse sectors like medical devices, aerospace, and consumer electronics.
Jabil Inc. is an engineering-led, supply chain-enabled company offering comprehensive Electronics Manufacturing Services. They provide vertically integrated solutions across the product lifecycle, including design engineering, global supply chain management, and diverse manufacturing models. Jabil also specializes in post-production services, such as repair and refurbishment.
Based in Jasper, IN, Kimball Electronics is a prominent Electronics Manufacturing Services (EMS) provider. They specialize in services like assembly, SMT, soldering, automated optical and X-ray inspection, and rapid prototyping. The company manufactures components for the healthcare, industrial, and automotive sectors.
Methode Electronics, Inc., based in Chicago, IL, is a global supplier of custom-engineered mechatronic products. The company designs, engineers, and produces solutions for original equipment manufacturers, utilizing technologies for user interface, LED lighting systems, and power applications. It operates manufacturing locations across North America.
NEOTech provides Electronic Manufacturing Services (EMS) and electronic manufacturing solutions for high-tech OEMs. They specialize in turning advanced product visions into reality with precision and expertise. Serving demanding industries such as Aerospace & Defense, NEOTech focuses on building strategic, long-lasting partnerships.
Based in Phoenix, AZ, Titan Circuits provides electronic manufacturing services, specializing in high-mix, low to medium volume PCB assembly. They offer services from prototype to production, with capabilities for components down to 01005 passives, QFNs, BGAs, and µBGAs. Their staff holds IPC-A-610G and J-STD-001G certifications.
Sierra Circuits, established in 1986, provides American-made PCB prototypes and assemblies from its US facilities. They offer full turnkey boards, with assembly and components, featuring rapid turnarounds like 24-hour PCB fabrication and 5-day assembly. Clients can access instant online quotes and 24/7 expert support.
Based in Wooster, OH, RBB Systems specializes in providing Electronics Manufacturing Services. The company assists manufacturers by tackling complex printed circuit board assemblies (PCBA) and control panel projects, aiming to streamline production and eliminate challenges associated with intricate electronic manufacturing processes for its clients.
Based in Cape May Court House, NJ, Technical Instruments offers comprehensive Electronics Manufacturing Services (EMS). They specialize in high-speed and precision PCB assembly (SMT/TH), supply chain management, inspection, testing, and small wire harness assembly. The company also provides custom test software and sustainable PCB repair, serving industrial, military, automotive, and healthcare industries.
Based in San Jose, CA, Absolute EMS delivers comprehensive Electronic Manufacturing Services. They offer end-to-end solutions covering rapid prototyping, New Product Introduction (NPI), printed circuit board assembly (PCBA), and box build. Capabilities also include functional testing, supply chain management, DFM, conformal coating, and rework services for diverse technology sectors.
Benchmark provides comprehensive electronics manufacturing services, offering full product lifecycle solutions. Their capabilities span design engineering, technology building blocks, advanced manufacturing, and aftermarket services. They deliver turnkey manufacturing and act as a joint design partner, leveraging an optimized global supply chain for world-class results.
ACTIA EMS provides Electronic Manufacturing Services (EMS) to manufacturers, emphasizing resilient supply chains in the United States. As part of the international ACTIA group, the company leverages its expertise in on-board electronic systems, designing and manufacturing solutions tailored for demanding customer environments and advanced electronic assembly needs.
Based in Santa Clara, CA, Ensun is an electronics manufacturing service (EMS) provider. The company offers comprehensive solutions including PCB assembly, box build, new product introduction, and supply chain management. Ensun serves diverse industries such as medical, industrial, automotive, and aerospace & defense with advanced manufacturing capabilities.
Based in Santa Clara, CA, NPI Services Inc. provides rapid prototype and low-volume electronics contract manufacturing. Their 16,000 sq ft facility offers comprehensive services including PCB assembly, box build, and functional testing. They serve mission-critical sectors such as medical, defense, and aerospace, helping clients achieve quicker product launches.
Based in Orange, CA, Venture Manufacturing provides comprehensive electronics manufacturing services, specializing in PCB assembly, box build, and cable assembly. They offer design, engineering, and test solutions for medical, aerospace, industrial, and IoT sectors. The company is ISO 9001, ISO 13485, and AS9100D certified.
Vinatronic Inc. is a direct provider of Electronics Manufacturing Services, specializing in PCB assembly. The company offers comprehensive solutions for printed circuit board design and manufacturing, capable of handling projects of varying complexity. All production is performed from its advanced facility located in California.
Based in Montgomery, TX, Willis Electrical is an industrial electrical manufacturing supplier. They specialize in custom electrical solutions, including wire harness manufacturing, cable assembly, and custom box builds. The company also offers UL508A industrial control panel manufacturing, engineering, and repair services for various industrial applications.
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How to Choose a Company
- Assess their engineering team's depth in providing proactive Design for Manufacturability (DFM) and Design for Testability (DFT) feedback on your Gerber files and BOM during New Product Introduction (NPI). A strong partner identifies and flags potential issues before production begins, saving costly redesigns.
- Verify their specific process proficiencies, such as fine-pitch BGA placement, rigid-flex PCB assembly, specialized conformal coating applications, or RF module tuning, rather than assuming standard Surface Mount Technology (SMT) capabilities are sufficient for your product.
- Inquire about their robust strategies for component procurement, including dual-sourcing critical parts, relationships with franchised distributors, and proactive obsolescence management, especially vital for long-lifecycle products with complex Bill of Materials (BOMs).
- For regulated industries, confirm they hold the necessary quality certifications like ISO 13485 for medical devices, AS9100 for aerospace and defense, or demonstrate strict adherence to IPC-A-610 Class 2 or 3 workmanship standards for your specific application.
- Understand their in-house testing capabilities, which must go beyond basic visual inspection. Look for Automated Optical Inspection (AOI), In-Circuit Test (ICT), Flying Probe, functional test development, and environmental stress screening to ensure robust product reliability.
- If your product requires more than just PCBA, evaluate their experience in full box build, complex cable harness assembly, final systems integration, configuration management, and even direct order fulfillment services.
- Be highly suspicious of quotes that are significantly lower without a detailed breakdown, or those that omit Non-Recurring Engineering (NRE) costs for test fixture development, stencil fabrication, or component requalification. A lack of upfront transparency on these often signals unexpected charges or scope creep later.
Supplier Types at a Glance
| Type | Best For | Typical MOQ |
|---|---|---|
| Niche/Boutique EMS Providers | Startups, complex New Product Introduction (NPI), rapid prototyping, highly specialized low-volume technologies (e.g., RF, optics). | 1-100 units |
| Mid-Tier EMS Providers | Growing companies scaling from pilot to medium-volume production, projects needing balanced engineering support and cost efficiency, full box build integration. | 100-5,000 units |
| Large-Scale / Tier 1 EMS Providers | Enterprise-level projects, high-volume production, global supply chain management, extensive systems integration, full product lifecycle support. | 5,000+ units |
| Specialized Industry EMS Providers | Regulated markets with stringent compliance (e.g., Medical devices - ISO 13485; Aerospace/Defense - AS9100; Automotive - IATF 16949). | Varies significantly based on specific industry and product complexity |
Frequently Asked Questions
What's the difference between full turnkey and consigned material models for electronics assembly?
Full turnkey means your EMS provider handles the complete procurement of all components specified in your Bill of Materials (BOM), simplifying your supply chain and often leveraging their purchasing power. In contrast, a consigned model requires you to procure and provide all components to the manufacturer, giving you greater control but shifting the logistics and component risk burden entirely to your team. Full turnkey often includes proactive obsolescence management.
How important is Design for Manufacturability (DFM) support during New Product Introduction (NPI)?
DFM support is crucial for successful NPI. It involves the EMS provider's engineers reviewing your design files (Gerber, BOM, assembly drawings) to identify potential manufacturing issues, optimize component placement, suggest material alternatives, improve assembly yield, and reduce overall production costs before mass production. Skipping DFM often leads to costly redesigns, production delays, and quality issues down the line.
What specific quality standards should I look for in an electronics manufacturing services provider?
Beyond general ISO 9001, look for adherence to IPC-A-610 (Acceptability of Electronic Assemblies) Class 2 or 3, and J-STD-001 (Requirements for Soldered Electrical and Electronic Assemblies). For specialized markets, ISO 13485 is essential for medical devices, AS9100 for aerospace and defense applications, and IATF 16949 for automotive electronics. These certifications indicate a commitment to rigorous quality control processes.
Can an EMS provider help with component obsolescence and supply chain resilience?
Yes, a strong EMS partner should offer proactive obsolescence management, including monitoring component End-of-Life (EOL) notices, advising on last-time buys, and recommending qualified alternative components. They should also demonstrate robust supply chain strategies, strong relationships with authorized distributors, and multi-sourcing capabilities to mitigate risks from lead time extensions and material shortages.
What is the distinction between Printed Circuit Board Assembly (PCBA) and box build services?
PCBA services focus solely on assembling electronic components onto a bare Printed Circuit Board. Box build, often referred to as systems integration, encompasses much more: it involves taking the completed PCBAs, integrating them into an enclosure, adding other components like wiring harnesses, displays, power supplies, and performing final assembly, functional testing, and sometimes even direct order fulfillment or packaging for shipment.
What documentation should I prepare when requesting a quote for electronics manufacturing services?
To get an accurate and timely quote, you should provide: complete Gerber files (for PCB fabrication and assembly), a detailed Bill of Materials (BOM) with manufacturer part numbers and approved alternates, assembly drawings, clear test specifications (e.g., functional test procedures, In-Circuit Test point data), 3D CAD models if a box build is required, and target production volumes with annual forecasts.