Salzgitter Mannesmann Line Pipe - A globally active, leading technological partner for HFI (high frequency induction) steel pipes. Howco Group - Supply chain management, global procurement and product transformation specializing in steel bar and tubular products. Alexander Steel Sales, Inc. - International sales of steel tubular drill pipe. Specializes in large size oil and gas casing. Based in Houston, Texas. GB Tubulars, Inc. - A worldwide distributor of oil country tubular goods. Carries an inventory of casing and tubing connections. Includes a list of products with technical details. Fiberspar - Designer and manufacturer of fiber-reinforced spoolable pipe used in the oil and gas field. Tenaris - Tubing, casing, connections and accessories, seamless and welded pipes with coatings and accessories. On-site delivery worldwide. Full Supply Ltd. - Supplying piping material, valves and other associated components in all grades, sizes and schedules to companies all over the world. Atlas Tubular - Oil country tubulars. Based in Texas, providing tubulars worldwide. Republica Trading Ltd. - Worldwide distributor of a wide assortment of oil field casing, tubing, drill pipe, line pipe, tubes for special purposes (boilers, and heat exchangers). Cold-drawn and hot-rolled steel. Based in Romania. Denkey Engineering Sdn Bhd - Fabrication of process piping for oil and gas industries, chemical industries and general industries. Prairie Tubulars Inc. - Wholesalers of API and OCTG products, offering seamless tubing and casing with standard and premium EUE connections. Tioga Pipe - Pipe and materials for the power generation, nuclear, oil refining, gas and chemical processing, and shipbuilding. Trouvay and Cauvin - Manufacturing and selling pipes, fittings, flanges, valves and related equipment for transfer of fluids. UK/French companies operating internationally.