Roberts Manufacturing Co, 160 Progress Ave, Springfield, MA 01104, US

Founded in 1920, Carling Technologies is one of the world's largest privately owned manufacturers of power distribution centers, digital switching systems, electronic controls, and hydraulic magnetic and thermal circuit breakers. The company has a staff of more than 2,000 employees and its products are used worldwide in the appliance, electronics, medical and transportation industries. The company has over five manufacturing facilities that have achieved certifications from the International Organization for Standardization. It also sells auxiliary devices, such as surge suppressors, ground fault circuit interrupters and power receptacles. Carling Technologies maintains several locations throughout the United States, Canada, Europe and Asia.