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

Choose the schedule that fits your program: Express, Expedited, or Standard, with turn times of up to 5, 10, or 20 business days, respectively. Builds ship as soon as they are complete, and the clock starts once documentation, approvals, and materials are in house. See the Quick-Turn PCB Assembly page for the full tier descriptions, turnkey and kitted options, and our assembly process outline.

Security & Compliance

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

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 800-171 and CMMC Level 1 cybersecurity standards to protect controlled technical data and support customers with export-controlled requirements.

BESTProto is certified to AS9100:2016 and ISO 9001:2015. By default, assemblies are built to IPC-A-610 Class 2 or Class 3 workmanship under our ISO 9001:2015 process controls. Customers who need AS9100:2016 job controls, including enhanced traceability and documentation, can request an AS9100 build at the time of quote.

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

We provide certificates of conformance with every order, and first article inspection (FAI) data upon request, 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