Astro-Geo-Marine, founded in 1964, began custom designing and manufacturing power supplies for military and industrial automatic test systems. The company s other custom electronic power products include inverters, load banks, tone generators and battery analyzer and conditioners. A.G.M. has developed working relationships with defense contractors Litton Guidance and Control Systems, Teledyne Systems, Lockheed Aircraft, Hughes Aircraft and Boeing. A.G.M. also supplies many electronic power products directly to the United States Navy and Air Force. Astro-Geo-Marine also manufactures and tests power supplies, inverters, printed circuit board assemblies including controllers and regulators, electronic controlled solenoids as well as wire harness and cable assemblies. Astro-Geo-Marine continues to design and manufacture custom power supplies & systems, inverters, load banks, tone generators and other specialized electronics for industry and defense.