RESEARCH ELECTRONICS INTERNATIONAL, L.L.C.

Research Electronics International, L.L.C. specializes in the design, integration, and delivery of advanced technical surveillance and countermeasures (TSCM) systems, signal detection equipment, and precision instrumentation for national security and defense applications. The company develops and supplies high-sensitivity spectrum analyzers, tactical TSCM kits, and radio frequency (RF) detection platforms used to identify and neutralize covert surveillance devices, unauthorized transmissions, and electronic eavesdropping threats. Their technical expertise spans electromagnetic signal analysis, RF engineering, secure communications countermeasures, and instrumentation for electrical signal testing, with a focus on ruggedized, field-deployable systems tailored for military, law enforcement, and critical infrastructure users. Differentiators include deep domain knowledge in clandestine signal interception, custom firmware integration, and support for Foreign Military Sales (FMS) programs requiring strict compliance with U.S. export control frameworks. The contractor maintains a strong relationship with the Department of Defense, delivering TSCM and signal intelligence equipment to special operations, air force, and naval units. They also support the Department of Homeland Security in securing federal facilities against electronic intrusion, and have provided technical security systems to the Nuclear Regulatory Commission and Department of Energy for safeguarding sensitive nuclear sites. Their work consistently involves mission-critical systems requiring high reliability, tamper resistance, and electromagnetic compatibility. Primary industry focus lies in the manufacture of aeronautical and navigational instrumentation (NAICS 334511), with complementary work in RF communications equipment (334220) and electrical test instrumentation (334515). The firm positions itself as a niche provider of specialized electronic countermeasures equipment for defense and homeland security markets, serving high-assurance government users requiring proprietary, non-commercial solutions. As a small business structured as a 2K entity based in Cookeville, Tennessee, REI operates without federal certifications but maintains a focused presence in the defense electronics supply chain through direct contract awards and technical service delivery.