Located in Houston, Specialty Pipe & Tube specializes in manufacturing heavy-wall pipes and tubing. It maintains stocking locations in Texas and Ohio. The company is a subsidiary of Davidson Pipe Supply Company, a supplier of a range of pipes, fittings, valves and tubular products, including carbon steel pipes, alloy pipes, copper tubing, and welded and seamless pipes. Davidson Pipe Supply Company offers products of various manufacturers that include Nibco, Apollo, Crane, A.O. Smith, Beck and US Pipe. Davidson Pipe Supply Company provides an inventory of pipes in diameters ranging from 1/4 to 48 inches in wall thicknesses and grades. The company also offers a complete line of welding fittings, flanges, forged-steel fittings and valves in brass, iron and steel.