Knut Haga

Maverick Tube Corp. manufactures steel tubular products for gas and oil drilling operations. It offer line pipe for oil and gas surface handling and transportation. The firm sell both structural tubing and standard pipe for transportation, agricultural and construction applications. The company was founded by Don Beattie in 1978 and is located in Chesterfield, MO.

BP Amoco Corp. provides oil and gas exploration services. The firm offers engineering, procurement and construction services for gas-fired co-generation facilities. The company was founded on March 11, 1987 and is headquartered in Houston, TX.

Siderca SAIC manufactures and supplies seamless steel pipe products. Its products include casing, tubing, line pipe, and mechanical pressure and temperature tubing that is used for gas and oil pipelines. The company was founded in 1990 and is headquartered in Buenos Aires, Argentina.

Sun European Partners LLP ( Sun European Partners) is a private equity subsidiary of Sun Capital Partners Inc. founded in 2004. The firm is headquartered in Greater London, London.

Tubos de Acero de México SA is a manufactures steel pipes. Its principal activities are the production of seamless steel pipe such as casing, tubing & drill pipe used in various phases of oil and gas production as well as transportation. It also manufactures weldable pipe fittings, cold-drawn pipe and other mechanical seamless pipes for industrial usage. Its activities include material selection, project management, double jointing, internal & external coating, internal blasting, anode pad installation, buckle arrestors and tight dimentsional tolerances achieved with internal diamenter machining or cold-end sizing. The company operates in the offshore markets of the Gulf of Mexico, West Africa, Far East, United Kingdom and Scandinavia. TenerisTamsa was founded in 1952 and is headquartered in Mexico City, Mexico.

Bravida AB engages in the provision of heating, sanitary, plumbing, and electrical installation services. It specializes in the installation of mechanical, electrical, security, fire prevention, and safety protection systems. The company was founded in 2000 and is headquartered in Stockholm, Sweden.

Part of Tenaris SA, Algoma Tubes, Inc. is an American company.

Balta Industries NV provides floor coverings. Its products include woven area rugs, wall-to-wall carpets, needlefelt, residential carpet tiles and artificial grass, carpet tiles, laminate flooring, PP fibers and yarns, and technical non-wovens. The company was founded in 1990 and is headquartered in Sint-Baafs-Vijve, Belgium.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

DeepOcean AS offers inspection, maintenance, repair, construction support and subsea intervention services. The company was founded on April 8, 1999 and is headquartered in Haugesund, Norway.

American Iron & Steel Institute, Inc. is a company that operates in the iron and steel industry. The private company is based in Washington. The CEO of the company is Kevin Dempsey.

Resman AS engages in the provision of wireless reservoir surveillance. It offers continuous reservoir monitoring, inter-well water and gas diagnostics, inter-well saturation, and near-well oil saturation services. The company was founded by Fridtjof Nyhavn and Anne Dalager Dyrli in 2005 and is headquartered in Trondheim, Norway.

Roxar AS produces and sells monitoring and inspection systems within safety in the operation of industrial and processing facilities. It also develops software and measurement devices for reservoir management. The firm offers consulting, integrated studies, data analysis, and on-site services. The company was founded on June 1, 1993 and is headquartered in Stavanger, Norway.

Schlumberger Norge AS provides oil and gas extraction services. The firm also offers oil exploration and drilling services. The company was founded on December 7, 1993 and is headquartered in Tananger, Norway.

Hansa Borg Holding AS operates through its subsidiaries, which produces and delivers beer, cider, soda, water, and energy drinks. The company was founded on March 19, 2002 and is headquartered in Kokstad, Norway.

Christiania Shipping A/S operates modern fleet of sophisticated oil and chemical tankers. It provides transports petroleum and chemical products. The company was founded in 1963 and is headquartered in Copenhagen, Denmark.

Lervig Aktiebryggeri AS produces beer. The private company is based in Stavanger, Norway.

Mirmorax AS develops water measurements process sampling solutions. It offers Topside solutions and Subsea solutions products. The firm also provides Training, Field Calibration, Engineering Support, Maintenance and Consultancy services. The company was founded by Eivind Gransæther in 2009 and is headquartered Sandnes, Norway.

KLAR Partners Ltd (KLAR Partners) is an Independent Private Equity/Venture Capital firm founded in 2019. The firm is headquartered in London.

Nimlas Group AB is a leading technical installation and building services company based in Solna, Sweden. The Swedish company has subsidiaries in Finland and Sweden, with a workforce of over 3,500 professionals operating from more than 100 locations. Nimlas Group provides a full range of technical disciplines, including heating & sanitation, electricity, ventilation, automation, fire safety, and cooling/refrigeration, as well as related services such as design and security systems. Nimlas Group has a vision to become the leading technical installation and building services company in the Nordics. The private company was founded in 2021, and Mikael Matts has been the CEO of the company since 2021.

West Park Management Services Germany GmbH provides business and management consultancy services. The private company is based in Frankfurt am Main, Germany. The CEOs of the German company are Siodhbhra Marguerite Buckley, Joachim Richard, Volker Stumpf.