Sigma Electronics is a Michigan-based designer and manufacturer of advanced electronic assemblies, with all production proudly located in the U.S. Since our founding, we’ve grown into a trusted name in PCB assembly, circuit design, and system integration, built on innovation, precision, and quality.

Our core offerings include PCB assemblies, power distribution modules, LED lighting assemblies, and electronic sensors. Leveraging our assembly and molding expertise, Sigma can deliver both finished boards and complete finished products, giving customers a single source for turnkey electronic solutions. We are IATF 16949 certified and equipped with advanced capabilities including large-format 4-foot board production, AOI and SPI inspection, laser alignment, full traceability, and comprehensive testing services.

We serve automotive, agricultural equipment, and consumer lighting industries and are expanding into medical and defense markets—bringing high-reliability manufacturing and Michigan craftsmanship to every product we build.