Top 12 contract pcb assembly In 2024

Key Factors to Consider When Choosing a Contract PCB Assembly Partner

Before diving into our list of the top contract PCB assembly companies, let’s discuss some of the most important criteria to keep in mind during your evaluation process:

Manufacturing Capabilities

What types of PCB assembly services does the company offer? Through-hole, SMT, flexible, rigid-flex? Make sure their capabilities align with your needs.

Certifications

Look for companies with industry certifications like ISO 9001, AS9100, IPC-A-610, and J-STD-001. These indicate the manufacturer adheres to strict quality standards.

Pricing

Get quotes from multiple contract manufacturers to compare pricing. However, don’t sacrifice quality for the lowest price.

Lead Times

How quickly can the assembler fulfill your orders? Look for partners with reasonable and reliable lead times.

Minimum Order Quantities

Some assemblers specialize in high-volume production while others cater to low-volume, high-mix needs. Choose one that fits your volume requirements.

Customer Support

Evaluate the company’s communication, responsiveness, and willingness to answer your questions. Good customer support is invaluable.

Reviews and References

Read online reviews and ask for references from past clients to get firsthand feedback about the assembler’s performance.

Top 12 Contract PCB Assembly Companies

Now that we know what to look for, let’s compare 12 of the top contract PCB assembly services. We’ll score each company on the key criteria discussed above to help you make an informed decision.

1. Sunstone Circuits

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4/5 4/5 4/5 5/5 5/5 4.5/5

Oregon-based Sunstone Circuits is a top choice for quick-turn, prototype PCB assembly. They offer both SMT and through-hole assembly with no minimum orders. Sunstone holds ISO 9001 and ITAR certifications. Pricing is competitive and customer support is top-notch.

2. Shenzhen MeiZhi Electronics Co., Ltd.

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 5/5 5/5 4/5 4/5 4/5 4.5/5

MeiZhi Electronics is a full-service contract PCB assembler based in Shenzhen, China. They offer a wide range of capabilities, including SMT, through-hole, and flex assembly. Certifications include ISO 9001, UL, and RoHS. MeiZhi provides highly competitive pricing and reasonable lead times.

3. NCAB Group

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
4/5 4.5/5 4/5 4.5/5 3.5/5 5/5 4/5

With locations worldwide, NCAB Group is a global provider of PCB manufacturing and assembly. They focus on high reliability and quality, holding multiple certifications. Pricing is fair and lead times are reliable. NCAB excels in customer support.

4. Imagineering, Inc.

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4/5 4.5/5 4/5 4.5/5 4.5/5 4/5

Imagineering is a USA-based PCB assembler offering quick-turn prototypes to full production. They handle a variety of PCB types and hold ISO and ITAR certifications. Pricing is competitive and they’re known for reliable on-time delivery.

5. Advanced Assembly

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4.5/5 4/5 4.5/5 5/5 4.5/5 4/5

Colorado’s Advanced Assembly specializes in quick-turn, low volume assembly. They have a user-friendly online quoting and ordering system. With AS9100 and ITAR certifications, they serve the aerospace, medical, and industrial markets well.

6. San Francisco Circuits

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
4/5 4/5 4.5/5 4.5/5 5/5 4.5/5 4.5/5

San Francisco Circuits offers PCB manufacturing and assembly in the Bay Area. They specialize in quick-turns and prototypes with no minimum orders. SFC is ISO 9001 certified and known for high quality work.

7. Mass Design

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
4.5/5 4.5/5 4/5 4/5 4/5 4.5/5 4/5

Massachusetts-based Mass Design provides local PCB assembly services. They offer flexible volume options, from prototypes to full production. Mass Design holds ISO 9001 and ITAR registrations. Customer support is responsive and knowledgeable.

8. Sierra Circuits

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4/5 4.5/5 4.5/5 4/5 4/5 4/5

Sierra Circuits, located in Silicon Valley, offers a full suite of PCB design, manufacturing, and assembly services. They handle a variety of board types and have quick-turn options available. Sierra is ISO 9001 certified.

9. Bittele Electronics

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4.5/5 4.5/5 4/5 4/5 4/5 4/5

Toronto-based Bittele Electronics offers PCB assembly services globally. They have extensive capabilities, including SMT, BGA, and flex assembly. Bittele is ISO 9001 and ISO 13485 certified. Customers praise their quality and attention to detail.

10. Matric Group

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
4.5/5 4.5/5 4/5 4.5/5 4/5 5/5 4.5/5

Pennsylvania’s Matric Group provides electronic contract manufacturing services, including PCB assembly. They serve the industrial, medical, and aerospace markets. Matric is ISO 9001, AS9100, and ISO 13485 certified. Customers appreciate their quality and responsiveness.

11. Green Circuits

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
5/5 4/5 4/5 4.5/5 4.5/5 5/5 4.5/5

Silicon Valley-based Green Circuits specializes in prototype and low-to-medium volume PCB assembly. They offer SMT, through-hole, BGA, and flex assembly capabilities. Green Circuits is ISO 9001 and ITAR registered. Reviewers praise their quality, speed, and customer service.

12. VSE

Capabilities Certifications Pricing Lead Times MOQs Support Reviews
4.5/5 4.5/5 4/5 4/5 4/5 4.5/5 4/5

VSE, located in New Jersey, provides contract manufacturing services including PCB assembly. They handle both SMT and through-hole assembly. VSE is ISO 9001 and AS9100 certified. Customers report good quality and on-time delivery.

Frequently Asked Questions (FAQ)

1. What’s the difference between a turnkey and consignment PCB assembly service?

In turnkey PCB assembly, the contract manufacturer sources all the components and handles the entire assembly process. With consignment assembly, the customer supplies some or all of the components and the assembler puts everything together.

2. How much does contract PCB assembly cost?

PCB assembly costs vary widely based on factors like board complexity, components, volume, and turnaround time. Simple prototype assemblies may cost a few hundred dollars while complex, high-volume jobs can be tens of thousands. It’s best to get quotes from multiple assemblers.

3. What’s a typical lead time for PCB assembly?

Lead times range from a few days to several weeks. Quick-turn prototype shops can assembly boards in 2-5 days. Standard lead times are more commonly 2-3 weeks. High volume production orders may take longer. Always confirm lead times before placing an order.

4. What are the most common PCB assembly defects to watch out for?

Some of the most frequent PCB assembly issues include:

  • Solder bridges or shorts
  • Cold or insufficient solder joints
  • Component misalignment or shifting
  • Missing or incorrect components
  • Electrostatic discharge (ESD) damage

Working with an experienced, ISO-certified contract manufacturer helps minimize defect risk.

5. How can I ensure my intellectual property (IP) is protected when using a contract assembler?

To safeguard your IP, take the following precautions:

  • Choose a reputable, domestic contract manufacturer if possible
  • Have the assembler sign a non-disclosure agreement (NDA)
  • Don’t send any unneeded information; only share what’s essential
  • Consider splitting your design across multiple assemblers
  • Encrypt and secure your design files

Conclusion

Choosing the right contract PCB assembly partner is a critical decision that impacts the quality, reliability, and cost of your electronic products. By carefully evaluating potential partners based on their capabilities, certifications, pricing, and support, you’ll be well-equipped to make an informed choice.

The companies on our list are some of the top contract PCB assemblers to consider in 2024. However, your specific needs and priorities will determine which is the best fit. We recommend getting quotes from multiple providers and thoroughly vetting them before making a final decision.

With the right contract manufacturing partner on your team, you can bring your PCB designs to life with confidence.