Profile: Alloy Supply & Valve Co., Inc. specializes in industrial valves and fittings. Our product line includes pipes, screwed & socketweld fittings, tubing, valves, pipe nipples and spray nozzles. Our pipes are made of stainless steel nickel alloys. They are featured with low temperature and are made of special alloys. Our valves are made of stainless steel. These are equipped with ball and gate valves.