Joel C. Mastervich

V&M Star LP manufactures hot-rolled seamless steel tubes. Its products include API/BTC couplings, line pipe, oil country tubular goods, and structures which are used in the oil and gas industry. The company was founded in 2002 and is located in Houston, TX.

TMK IPSCO produces welded and seamless pipes. Its products include drill pipes, well casings, and tubing used in the drilling, equipping, and operation of oil and gas wells; and line pipes used for infield pipelines, to deliver crude oil and natural gas from fields to refineries, storage tank farms, loading terminals, and distribution points. The company was founded in June 2008 and is headquartered in Houston, TX.

IPSCO Tubulars, Inc. manufactures steel plate and pipes. It products include oil country tubular goods (OCTG), TMK up ultra connections, line pipe, standard pipe (ASTM) and hollow structural sections (HSS). The firm offers threading, field, testing and licensing services. The company was founded in 2008 and is headquartered in Houston, TX.

Part of Vallourec SA, Vallourec USA Corp. is a company that manufactures and distributes metal tubes for oil and gas operations. The company is based in Houston, TX.

Part of Vallourec SA, Vallourec Star LP is a company that manufactures steel pipes and tubes for the oil industry. The company is based in Youngstown, OH.