Leviton 

Leviton Manufacturing Company, Inc., is the largest privately held manufacturer of electrical wiring equipment in North America. It produces electrical light sockets, receptacles and outlets, switches, dimmers and other lighting control systems, wire, power cables, power cords, wall and ceiling occupancy sensors, wall plates, datacom, and other electrical products. Leviton is most famous for its Decora wall switch, the flat low profile form factor which replaced the standard toggle switch in many homes and offices.