Webstone Co., Inc. designs residential and commercial valves. It offers commercial valves used for plumbing, hydronic, radiant, solar and geothermal applications. The firms products include thermostatic mixing valve, ball valves, air separator, brass ball valves, gas ball valves, PEX products, flare gas valves, and plastic ball valves. The company was founded in 1954 and is headquartered in Worcester, MA.