Welding Outlets, Inc. (WOI) is a certified Woman-owned manufacturer of high pressure steel piping components located in Houston, Texas USA. The company has been in business since 1999. WOI holds both ISO 9001 and PED Certificates. WOI employees are active members of numerous industry associations/ committees; including MSS, ASTM/ ASME, PFI, PVF Roundtable. WOI manufactures many different products which are available in over 40 grades of steel. A wide-range of industries across the globe use our products. These industries include pipeline, refinery/chemical, power plants, shipbuilding as well as those industries that process food, beverages, pulp and paper, and pharmaceuticals.