SI MANUFACTURING, INC

SI MANUFACTURING, INC specializes in the design and fabrication of precision electronic components and specialized electrical systems for defense applications. Their core capabilities include manufacturing power transformers, bus conductors, and power supply units engineered for high-reliability military environments. The company demonstrates deep expertise in custom electrical component fabrication, with proven proficiency in welding and soldering equipment manufacturing, as well as the production of complex conductive bus systems and integrated power modules. Their technical focus centers on thermal management, high-current circuitry, and ruggedized component assembly—critical for aerospace, avionics, and ground-based defense platforms. SI MANUFACTURING’s differentiation lies in its ability to deliver mission-critical components under tight tolerances, leveraging precision manufacturing processes suited for harsh operational conditions. The contractor maintains a consistent relationship with the Department of Defense, delivering mission-specific electrical components for defense systems. Their work supports procurement needs across multiple military branches, with contracts focused on power distribution, signal integrity, and energy conversion systems essential to tactical and strategic platforms. Industry focus is centered on NAICS 334419 (other electronic component manufacturing) and 333992 (welding and soldering equipment manufacturing), reflecting specialization in custom-built, non-standardized electrical and electronic subsystems. They serve niche defense and industrial markets requiring bespoke solutions beyond commercial off-the-shelf offerings, positioning themselves as a precision manufacturer for mission-critical applications. SI MANUFACTURING, INC is a small business structured as a 2L entity, headquartered in Anaheim, California. While no federal certifications are currently listed, their demonstrated ability to deliver compliant, high-integrity components to the DoD underscores a commitment to defense-grade quality standards and supply chain reliability. Their geographic presence supports direct engagement with defense contractors and military logistics networks along the West Coast.