OHMCO, LLC

OHMCO, LLC specializes in the design, manufacture, and supply of precision RF and microwave components for defense and aerospace systems, with deep expertise in passive RF hardware such as fixed attenuators, dummy loads, and radio frequency switches. The company’s technical focus centers on high-reliability electronic assemblies for signal conditioning, power management, and test instrumentation, serving mission-critical applications in radar, communications, and electronic warfare platforms. Their capability extends to the fabrication of electrical enclosures and precision test equipment housings, demonstrating strong competency in electromagnetic shielding, thermal management, and ruggedized packaging for harsh environments. OHMCO’s engineering discipline emphasizes tight tolerances, repeatable performance, and compliance with military-grade specifications for components used in field-deployed systems. The contractor maintains a consistent and exclusive relationship with the Department of Defense, delivering mission-essential RF subsystems and test accessories across multiple branches and defense laboratories. Their work supports sustainment, modernization, and field testing initiatives, with a clear pattern of supplying hardened, low-volume, high-integrity components for legacy and next-generation electronic systems. OHMCO’s primary industry focus lies in radio and television broadcasting and wireless communications equipment manufacturing, alongside instrument manufacturing for electrical signal measurement. These NAICS codes reflect their niche in RF test and measurement hardware, signal integrity components, and specialized electrical enclosures—positioning them as a trusted supplier for defense electronics test benches and field-deployed communication systems. As a small business structured as 2K and headquartered in Oakwood, Ohio, OHMCO operates as a specialized manufacturer with a focused supply chain footprint. While currently holding no formal government certifications, their consistent delivery of mission-critical components to the DoD underscores a proven track record of reliability and technical precision in the defense electronics supply base.