The U.S. state of California boasts of one of the largest concentrations of PCB manufacturers. In this blog post, you will find out some of the companies that make the best circuit boards in the state and their areas of specialty.

PCB Market Forecast

In the latest publication, Precedence Research projected a CAGR of 5.66% in the global PCB market between 2023 to 2030. Within this period, the market size is expected to be valued at $128 billion by 2030.

Some of the PCB manufacturers in California will have a role to play in this market growth, considering the U.S’ status as one of the leading circuit board markets.

We now go into some of the US PCB manufacturers that have their plants located in California – and the services they offer.

1.    Green Circuits Inc.

This is a “precision-driven” PCB manufacturer that stops at nothing to deliver value to the customers. In the last 30 years, Green Circuits Inc. has specialized in the provision of full-service Electronics Manufacturing Services (EMS) to its customers.

The company prides in having the right qualifications, such as ITAR registration and AIAG membership. It also specializes in offering extensive circuit board services, ranging from fabrication and PCBAs.

Supply Chain Management

Green Circuits Inc. is that Californian PCB manufacturer that works within your budget. As a way of helping you to save costs, the company offers extensive supply chain solutions, ranging from employing smart sourcing techniques to pick the right components and ensuring an on-time delivery of the manufactured boards.

Circuit Board Fabrication

The capabilities for fabricating circuit boards include using a 14:1 aspect ratio, producing up to 56 layers of PCBs, using via-in-pad and using the buried via, micro via and blind via structures.

Green Circuits Inc., also uses a wide range of materials for these fabrications. The materials include but are not limited to Rogers 4003, Isolar FR4, Rogers 445, Nelco 4000-6 and Isola 370HR.

Some of the PCBs it fabricates are:

• Integrated Circuit (IC) substrates
• Conventional circuit boards
• High-Density Interconnect (HDI) circuit boards
• Backplane assemblies
• Flexible PCBs and;
• Rigid-flexible circuit boards.

2.    Sierra Assembly Technology LLC

Simply known as Sierra Circuits, this is a leading PCB manufacturing company in California. You can count on it for a wide range of circuit board services, such as production, assembly and fabrication.

Founded in 1982, Sierra Circuits has been in the business of assembling different kinds of circuit boards.

PCBA Services

The Printed Circuit Board Assembly (PCBA) services are not only based on the clients’ requirements, but are also optimized for costs and thoroughly-assembled.

The types of PCBA services offered here include:

• Mid-volume PCBAs
• Prototype PCBAs
• Low-volume PCBAs
• Cable and wire harness assembly
• Full-turn PCB assembly
• Kitted PCB assembly
• High-volume PCBAs and;
• Mixed technology PCBAs

PCB Fabrication Services

Sierra Circuits also fabricate circuit boards. The specialty in this area includes using innovative fabrication techniques and new technologies to deliver the best performances.

Examples of the circuit boards it fabricates are thick copper, rigid-flexible, multilayer and LED circuit boards. The manufacturer also fabricates high-frequency, HDI, prototype, quick turnaround, flexible, Rogers and High Tg PCBs.

Sierra Circuits also subjects these fabricated boards to a wide range of confirmation procedures, especially by using the in-circuit testing and PCB functional testing processes.

3.    Bay Area Circuits

Most PCB consumers rely on Bay Area Circuits for a couple of reasons, including the company’s different affiliations. As a member of the IPC, the manufacturer is reputed for the compliance with the different IPC guidelines for PCB production, as well as building more reliable circuit board products.

Circuit Board Fabrication

Bay Area Circuits fabricates different kinds of PCBs, with a special concentration on the quality and real-time delivery.

The company’s capabilities include using different material types (such as High copper, FR-4, Hybrid-Capable and Polyimide materials); usage of Flying Probe and Automated Optical Inspection (AOI) testing methods and supporting up to 30 layers of fabricated boards with .250 thickness.

The manufacturer is also capable of using the Immersion White Tin, HASL, OSP, Lead-Free HASL, Immersion Silver, ENIG, and Soft Gold surface finishes.

Excellent PCB Ordering Process

Through the official website, Bay Area Circuits allow the customers to place orders for their PCBs. The 3-step process involves uploading the supported files, making the necessary customizations to the PCB’s surface finishes, materials and other relevant manufacturing requirements – and then placing the order.

Circuit Board Tests

Bay Area Circuits also uses a wide range of testing procedures, especially the usage of flying probe machines to make an accurate testing of the circuit boards.

The company also uses a wide range of test parameters, such as high-voltage testing, 100 V, 100 megaohm isolation resistance and 10-ohm continuity resistance test parameters.

Bay Area Circuits also ensures the reliability of these tests by stamping the PCBs that passed the electrical tests.

4.    Murrietta Circuits

This is a company that specializes in the production of “Vertically Integrated” Electronic Manufacturing Service (EMS) turnkey solutions for circuit boards.

When it comes to the Printed Circuit Board Assembly (PCBA) service, the company offers full-turnkey solutions, covering component sourcing and different volumes of production.

The types of equipment it uses include Acculogic Flying Scorpion FLS980Dxi, Nordson Yes-Tech FX-940 Ultra 3D AIO System and Aegis Full Traceability Paperless System.

Circuit Board Engineering

Murrietta Circuits also specializes in engineering the performance of PCBs. In this regard, the manufacturer designs the circuit board across different facets: drawings, design database, schematics and Gerber/ODB++.

The list of circuit board design and engineering services includes hardware design, B.O.M construction, Design for Manufacturability (DFM) analysis, 3D CAD modeling, flexible and rigid-flexible circuit board designs and Altium & Mentor Expedition.

Component Procurement Services

As a part of the EMS solutions, Murrietta Circuits help you get the right components for the PCB designs.

It procures these parts from both reputable suppliers and franchised distributors from different parts of the world.

On a standalone basis, the manufacturer offers these types of component procurement services: component testing and verification, obsolescence management solutions and vendor-managed inventory solutions. It also offers complete documentation packages for full-traceability, BOM analysis, and custom ERP/MRP solutions.

5.    Vinatronic Inc.

Vinatronic is located in Industry Lane Huntington Beach in California. The company has been offering a wide range of PCB services for over 2 decades.

With a 13,000 square foot facility and experts working for it, Vinatronic has what it takes to offer the best PCB production services.

Let’s look at some of the services it offers:

PCBA

It specializes in making data-driven Printed Circuit Board Assemblies (PCBAs). By minimizing the costs and expanding the offerings to both turnkey and consignment – Vinatronic handles anything from prototype to full-scale circuit board production.

It also offers a host of other services, such as:

• Supply chain management
• Conformal coating
• Rework
• Through-hole
• Surface-Mount Technology (SMT)
• Reflow
• Wave solder and;
• Mechanical assembly

Material Procurement

Vinatronic Inc., also procures the parts or components needed for the PCB manufacturing. By harnessing the ongoing collaboration with material vendors, the company ensures that it sources and uses only the best components.

Cable and Wire Harness Assembly

The manufacturer also offers high-performance and cost-effective solutions for the cable and wire harness PCB assembly.

The following are some of the capabilities:

• The usage of continuity testing and semi-automated crimping machines to ensure the PCBs’ compliance with the highest standards of quality and workmanship.
• The usage of advanced production techniques for the design, development and assembly of complex cable and wire harness solutions.

6.    Excello Circuits

Here is one of the PCB manufacturers in California that serves different markets. Excello Circuits serve clients across industrial, automotive, networking/communication, aerospace, contract manufacturers, and medical industries.

The host of circuit boards are manufacturers are optimized for flexibility and quality, as per the customers’ requirements.

It is worth mentioning that Excello Circuits manufactures different kinds of PCBs, such as metal core, rigid-flexible, flexible, rigid and High-Density Interconnect (HDI) circuit boards.

7.    PCB Power Market

This is a Northbridge-based PCB manufacturer in California. PCB Power Market serves the small, medium and large-scale enterprises requiring circuit board services.

The company designs and manufactures Printed Circuit Boards (PCBs) across different markets and industries, such as consumer electronics, telecommunication/networking, aerospace & defense, Research and Development (R&D), renewable energy and educational institutes. The other markets served are public transportation, industrial electronics, Internet of Things (IoT) applications, automotive, tests, measurements and calibrations, as well as medical and healthcare.

Circuit Board Production Capabilities

PCB Power Market offers a wide range of technical capabilities, such as 18 by 24-inch maximum panel size, the production of up to 24 layers of single-sided PCBs, 8 mil minimum PTH hole size and a minimum of 5 mil spacing and line.

For the material selection, the company uses the following: High-frequency and low-loss laminates – and glass epoxy laminates.

To ensure optimum performance of the boards, the manufacturer also deploys extensive methods, such as selective gold plating, flush circuits, hardware installation, up to 8 Oz. of heavy copper, switch plates, plugged/blind/buried via and heat sinks.

Conclusion

California is a PCB market and lots of circuit board fabrication and assembly companies are cited there. Your choice of a PCB manufacturer in California should be based on parameters like the proximity, the production methods, component sourcing and overall PCB manufacturing capabilities.