Founded in 1965 in Walnut Creek, Calif., General Plumbing Supply Company provides plumbing, electrical, heating, air conditioning and commercial lighting equipment for residential and commercial applications. The company has six plumbing supply branches with 130 employees. GPS also owns two electrical equipment supply branches under the names of General Wholesale Supply and General Supply. It is an authorized distributor for American Standard plumbing products, A.O. Smith water heaters and Bryant electrical components. The company stocks a complete line of water heaters, boilers, pumps, toilets, faucets, sinks, garbage disposals, shower and tub components, as well as steel, plastic, cast iron, brass and copper pipe and tubing, fittings, valves and joining materials for each type of pipe.