Founded in 1951, Bemco, Inc. manufactures environmental test equipment for the aerospace, defense, electronics and consumer industries. The company s products include portable temperature chambers, expendable refrigerant temperature chambers, altitude chambers, humidity chambers, universal test chambers, walk-in chambers, environmental stress screening, thermal shock chambers, salt fog chambers, portable liquid chillers, vacuum equipment, thermal shrouds and space simulation chambers. Bemco is based in Simi Valley, Calif.