Defense and Aerospace Circuit Card Assembly

Mission-Critical Electronics Manufacturing for Defense, Aerospace, and Government Applications

Precision-Built. Mission-Ready. Trusted by Defense Innovators.

From Single Prototypes to Small Production Runs

When operational failure isn’t an option, defense contractors and military OEMs trust BESTProto to deliver precision-engineered circuit card assemblies that perform flawlessly in the world’s most demanding environments.

Defense-Grade Quality Standards & Certifications

Whether your system powers advanced radar, tactical communications, avionics, or unmanned defense platforms, BESTProto ensures uncompromised reliability, traceability, and compliance. We build to IPC-A-610 Class 3, the highest workmanship standard in electronics manufacturing, and back that with:

avionics
avionics engineer

Core CCA Capabilities

Turnaround & Service Options

Defense and Aerospace PCB assemblies typically ship in 5, 10, or 20 business days, with 24-hour rush service available on request. See the Quick-Turn PCB Assembly page for details on our turnaround times, full turnkey, partial turnkey, and kitted builds, and our assembly process outline.

Security & Compliance

All manufacturing takes place at our South Elgin, Illinois, facility, supporting secure domestic supply chains and intellectual property protection for defense and aerospace programs.

Our Certificates

BESTProto Technicians performing optical inspection
customer electrical engineer

Why Defense Leaders Choose BESTProto

Frequently Asked Questions

About Our Defense & Aerospace PCB Assembly Capabilities
Is BESTProto ITAR-registered?

Yes, we are ITAR-registered and follow NIST SP 800-171 and CMMC Level 1 cybersecurity standards to protect controlled technical data and support customers with export-controlled requirements.

Yes, we operate under AS9100D-certified quality systems in addition to ISO 9001:2015, giving defense and aerospace customers the process controls and traceability their programs require.

Most defense and aerospace circuit card assemblies are built to IPC-A-610 Class 3, the highest workmanship standard, though we can also support Class 2 builds depending on program requirements.

Yes, our engineering team proactively monitors component end-of-life risk and recommends parametric alternatives to help keep long-running defense and aerospace programs in production without costly redesigns.

Yes, all of our manufacturing takes place at our South Elgin, Illinois facility, supporting secure, domestic supply chains and intellectual property protection for defense and aerospace customers.

Upon request, we provide certificates of conformance, first-article inspection reports, and AOI data with every build, giving program managers the traceability required for military and aerospace quality standards.

Your Mission Deserves the BEST

Proudly Supporting Those Who Serve

At BESTProto, our work is built on respect: for the mission, for our clients, and for the men and women who rely on the systems we help create.

We don’t just build PCBs – we build trust. When the stakes are high, you deserve a partner as reliable as your technology.

Contact Us Today