Thomas Pipe & Supply Co. engages in the wholesale distribution of industrial pipes, valves, gauges, tubing, and fittings for power plants, OEMs, MROs, contractors, industrial manufacturers, mechanical contractors, commercial builders, municipalities, utilities, and fabrication shops. It deals in brass, copper, carbon-steel, PVC, stainless steel, alloys, and other materials. The company was founded in 1983 and is based in Phoenix, Arizona. As of December 19, 2017, Thomas Pipe & Supply Co. operates as a subsidiary of Winsupply Inc.