Texas Screw Products is a supply chain management provider for oil and gas service manufacturers and other original equipment manufacturers. As part of its supply chain management program, the company manages fastener inventories in Texas, Louisiana, Oklahoma, California and Mexico. In addition, TSP supplies more than 20,000 fastener part numbers throughout the United States, Canada, South America, Scotland, Germany, Norway and Singapore. It provides a wide range of specialized fasteners, such as engineered and commercial bolts, nuts, screws, studs, washers, sockets, anchors, rivets, pins and thread protectors as well as machined parts. Its engineered fasteners are manufactured to customer specifications and are created from various materials, including stainless steels, nickel alloys, copper, brass, bronze, aluminum, plastics and other ferrous and nonferrous materials. Texas Screw Products Quality Management System has been ISO 9001:2000 registered since 1997, and its mechanical testing laboratory is ISO 17025 certified. Headquartered in Houston, TSP maintains more than 25 facilities worldwide.