ISO 9001:2015 & AS9100D Certified / DDTC Registered (ITAR Compliant)
Premier Electronics Contract Manufacturer of Custom Assembly Solutions
Complete electronic assembly expertise spanning custom cable assemblies, custom connectors, wire harnesses, and integrated box build solutions.
55+ Years of Experience
ISO 9001 & AS9100D Certified
ITAR Compliant & DDTC Registered
Our Electronics Manufacturing Capabilities
CABLE ASSEMBLIES
Circuit Assembly is a leading cable assembly manufacturer specializing in cable assemblies for OEMs in medical, aerospace, and industrial sectors. We deliver precision-engineered solutions ensuring consistent quality whether you need a single prototype or full production run.
CUSTOM CONNECTORS
We design and manufacture custom connectors to your specifications and also source standard options when they fit your needs. From D Sub, multipin, and fiber optic to RF, display and more, our solutions deliver reliable performance across aerospace, medical, industrial, and energy applications.
WIRE HARNESSES
We build custom wire harnesses to your specifications for OEM and commercial customers only. Capabilities include automated cutting, stripping and crimping, soldering, braiding and looming, potting and encapsulation, labeling and kitting, and 100% final electrical testing.
BOX BUILD ASSEMBLIES
We handle everything, mechanical assembly, testing, and packaging, so you don’t have to. Our contract manufacturing expertise frees OEMs to focus on what they do best: innovation. Meanwhile, we manage the complex work of integrating electrical, mechanical, and software components into a seamless finished product.
Trusted by Brands You Know
Leading Contract Assembly for Over 55 Years
For more than five decades, Circuit Assembly has been the go-to partner for custom assembly solutions. We deliver mission-critical interconnects to aerospace, defense, medical, and industrial sectors worldwide.
Our unique dual-facility approach gives you the best of both worlds: American engineering and manufacturing excellence from our Irvine, California headquarters, plus the production power of our wholly-owned Shenzhen facility. This combination delivers unmatched technical expertise at any scale you need.
Our Quality Certifications & Compliance
We are certified to ISO 9001:2015 and AS9100D, affirming our commitment to robust quality management systems and continuous process improvement. Additionally, Circuit Assembly is registered with the U.S. Department of State for ITAR compliance, enabling us to manufacture and manage defense-related assemblies in accordance with U.S. export control laws.
ISO 9001:2015 & AS9100D
Certified for Quality Management Systems (QMS) for Aerospace.
DDTC Registered (ITAR)
ITAR Compliant Program for Export Compliance.
CLIENT FEEDBACK
Most Recent Articles, Case Studies, and News
ARTICLES
Beyond the Bill of Materials: Hidden Strategies for OEM Cost Reduction
This guide offers practical, actionable strategies to cut your OEM design costs without compromising the quality and reliability your customers demand. We’ll explore the “secrets” that savvy industry leaders leverage, from intelligent component selection to strategic partnerships.
CASE STUDIES
Circuit Assembly Partners With Engineering Team on Data Storage Product
We have been manufacturing customer connectors for 50 years and are in a unique position to partner with customer engineering teams across all industries in innovating new ways to providing solutions. Our experience over the years with small to large enterprise...
NEWS
Circuit Assembly Supports Families Forward to Power Up Orange County Students for Back-to-School Success
Local electronic assembly leader continues community commitment by providing essential school supplies to at-risk children through Families Forward
Stop leaving your assemblies to chance. Trust our proven expertise and quality.
Ready to Solve Your Connectivity Challenges? Our engineering team transforms complex specifications into reliable, precision-built assemblies. The result? Solutions that perform when it matters most.
Get started today.