High Quality Content by WIKIPEDIA articles! AeroVironment Inc. (AV) is a technology company in Monrovia, California, and Simi Valley, California, that is primarily involved in energy systems, electric vehicle systems, and unmanned aerial vehicles (UAVs). Paul B. MacCready, Jr., a designer of human powered aircraft, founded the company in 1971. The company is probably most well known for developing a series of lightweight human-powered and then solar-powered vehicles.