Top automotive printed circuit board assembly manufacturers!

By | Date posted: | Last updated: November 14, 2025
Top automotive printed circuit board assembly manufacturers!

The automotive industry relies on advanced PCB assemblies to power everything from safety-critical systems to next-generation vehicle technologies. With the rise of electric vehicles, autonomous driving, and connected car innovations, the demand for high-reliability PCBs has never been greater. Leading manufacturers play a crucial role in delivering durable, precise, and compliant assemblies that can withstand harsh conditions while ensuring optimal performance. TechnoTronix is at the forefront of this innovation, providing cutting-edge PCB solutions designed to meet the evolving needs of the automotive sector. Here are some of the top automotive PCB assembly manufacturers driving innovation and quality in the industry.

1. Technotronix

  • Overview: TechnoTronix specializes in manufacturing printed circuit boards, assemblies, prototyping, and fabrication services tailored to the automotive industry. With a strong focus on quality, precision, and innovation, they deliver reliable, high-performance automotive PCB assemblies that meets the rigorous demands of modern automotive applications.
  • Solutions:

    • Advanced Manufacturing Techniques
    • Automobile-Grade Quality Standards
    • High-Reliability Automotive PCB Components
    • Prototyping & Mass Automotive PCB Production
    • Automated Inspection & Testing
    • Custom Car PCB Boards and assemblies
    • Turnkey Auto PCB assembly services
  • Contact: 714/630-9200, [email protected]
  • Location: 1381 N Hundley Street, Anaheim, CA 92806, United States.

2. Sierra Circuits

  • Overview: Sierra Circuits provides high-performance automotive PCB assemblies designed to make vehicles smarter and more efficient. Their team of experts supports every stage, from design to manufacturing and assembly, ensuring full traceability and compliance. They deliver PCB solutions for advanced automotive technologies, including LiDAR, 5G-connected cars, and collision avoidance systems.
  • Solutions:

    • Autonomous cars and trucks
    • Automatic guided vehicles (AGV)
    • Collision avoidance system/pre-crash system
    • Connected car systems
    • Utilities for better vehicle performance
  • Location: 1108 West Evelyn Avenue, Sunnyvale, CA 94086, United States

3. San Francisco Circuits

  • Overview: San Francisco Circuits provides advanced PCB assembly solutions for the automotive industry, delivering reliable and durable boards designed to withstand heat, vibration, and long-term use. The company specializes in HDI and flex circuits for compact, high-performance automotive applications. From prototyping to full-scale production, San Francisco Circuits ensures precision and quality in every PCB.
  • Solutions:

    • High-Reliable & Durable PCBA
    • Advanced Assembly Services
    • Specialized PCB Types
  • Location: 1660 S Amphlett Blvd #200, San Mateo, CA 94402, United States.

4. Semecs

  • Overview: Semecs delivers advanced PCB assembly solutions tailored to the automotive industry, combining precision, speed, and reliability. With expertise in miniaturization and strict tolerance requirements, they support rapid product development and high-performance designs. Their flexible processes and advanced testing ensure quality PCBs meet the evolving demands of modern vehicles.
  • Solutions:

    • Industrial design
    • NPI & Prototyping
    • Testing
    • Product life cycle management
  • Location: Oostwijk 18, 5406 XT Uden, The Netherlands

5. Excello Circuits

  • Overview: Excello Circuits provides advanced PCB assembly solutions for the automotive industry, offering expertise in rigid, flexible, and rigid-flex boards. Their PCBs are engineered to withstand heat, speed, and motion, ensuring durability and reliability in demanding conditions. From prototypes to full-scale production, Excello Circuits supports automotive manufacturers in building safer, more technologically advanced vehicles.
  • Solutions:

    • Rigid PCBs
    • Rigid-Flex PCBs
    • Flexible PCBs
    • Metal Core PCBs
    • HDI PCBs
  • Location: 5330 E Hunter Ave, Anaheim, CA 92807, United States.

6. Caltronics Design and Assembly

  • Overview: Caltronics offers industry-leading automotive PCB assembly services, delivering printed circuit boards that meet the highest standards of quality and reliability. With years of experience and cutting-edge technology, Caltronics has become a trusted partner for automotive electronics manufacturing.
  • Solutions:

    • PCB Design and Layout
    • High-Precision PCB Assembly
    • Comprehensive Testing and Inspection
    • Prototyping Services
    • Custom Solutions for Automotive Applications
  • Location: 6189 Field Stone Ct. Stacy, MN 55079, United States.

7. FermionX

  • Overview: FermionX provides automotive PCB assembly services, from basic sub-assemblies to complex integrated enclosures, including safety and critical control units. They specialize in both surface mount and thru-hole placement, ensuring precision and reliability. With strict quality controls and testing, FermionX delivers high-performance solutions while helping customers streamline costs and component management.
  • Solutions:

    • Surface mount PCB assembly
    • Conventional PCB assembly
    • PCB conformal coating
    • AOI/Visual Inspection
    • X-ray PCB inspection
  • Location: Easting Close, Worthing, West Sussex, BN14 8HQ, UK.

8. Suntronic Electronic Management Service

  • Overview: Suntronic specializes in delivering high-quality PCB assembly solutions for the automotive industry. Their PCBs are designed to withstand extreme conditions, from constant vibrations to harsh environments, ensuring safety and reliability. By leveraging advanced technology and precision equipment, Suntronic produces durable, high-performance PCBs that meet the strict demands of automotive OEMs.
  • Solutions:

    • PCB Design and Layout
    • High-Precision PCB Assembly
    • Comprehensive Testing and Inspection
    • Prototyping Services
    • PCB Potting and Protective Coatings
    • Custom Solutions for Automotive Applications
  • Location: 10501 Kipp Way, Ste 350 Houston, Texas 77099, United States.

9. MPE Electronics

  • Overview: MPE Electronics provides automotive PCB assemblies designed to perform reliably in extreme conditions. They support a range of vehicle systems, including infotainment, navigation, safety, and engine control units. Each PCB is built to meet stringent automotive standards, ensuring durability and consistent performance. Their IPC-A-610 trained experts oversee the entire process, offering guidance, full traceability, and thorough testing for quality and compliance.
  • Solutions:

    • Advanced design handling
    • Compliance with industry standards
    • Comprehensive documentation
    • Quality assurance
    • Rapid Prototyping
  • Location: Brambleside, Bellbrook Industrial Estate, Uckfield, East Sussex, TN22 1QQ, UK.

10. Ninja Circuits

  • Overview: Ninja Circuits delivers high-performance automotive PCB assemblies built for extreme conditions like vibration, heat cycling, and safety-critical environments. They support systems such as ADAS, EV inverters, battery management, and lidar controllers. With expertise in conformal coating and high-current designs, they ensure precision, reliability, and compliance from prototype to production.
  • Solutions:

    • PCBA Prototyping
    • PCB Assembly
    • Repairs, Upgrades, Replacements
    • Short-run Production
  • Location: 1651 Pohl Road, Mankato, MN 56001, United States.

11. ACORN ASSEMBLY

  • Overview: Acorn Assembly provides reliable automotive PCB assembly services, from rapid prototypes to full-scale production. With advanced SMT lines, thru-hole capabilities, testing, coating, and final assembly, they deliver high-quality solutions for a range of automotive applications. Their expert engineering and procurement teams ensure every design meets strict standards, offering fast turnaround, full support, and dependable performance.
  • Solutions:

    • Advanced Manufacturing Capabilities
    • Comprehensive Testing & Quality Assurance
    • Full-Service Support
    • Rapid Prototyping & Scalable Production
  • Location: 3817 Nicholson Rd, Franksville, WI 53126, United States.

TechnoTronix continues to set the standard in automotive PCB assembly by delivering reliable, high-performance solutions that meet the rigorous demands of modern vehicles. With expertise in advanced technologies and a commitment to quality, they ensure every PCB assembly performs flawlessly in even the most challenging automotive environments.

For expert guidance on automotive PCB assembly needs, reach out to us via [email protected] or call 714/630-9200. Our team is ready to assist with design, prototyping, and full-scale production for any automotive projects.

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