Baker Hughes Company is an American international industrial service company and one of the world's largest oil field services companies. The company provides the oil and gas industry with products and services for oil drilling, formation evaluation, completion, production and reservoir consulting. Baker Hughes is organized in Delaware and headquartered in Houston. The company was originally known as Baker Hughes Incorporated until 2017 when it was merged with GE Oil and Gas to become Baker Hughes, a GE Company (BHGE), then in 2019 the company divested from General Electric and became Baker Hughes Company. As of December 2020, GE is no longer majority owner of Baker Hughes, owning 30% and intending to completely divest its ownership stake over the next few years.
Aker Solutions ASA, an engineering company based in Oslo, provides the products, systems and services required to unlock energy from sources such as oil, gas, offshore wind and CO2 capture. The company, founded in 1841, was known as Aker Kværner until 2008. In 2020, the company announced a meger with Kværner ASA
John Fredriksen is a Norwegian-born Cypriot oil tanker and shipping billionaire businessman, who owns the world's largest oil tanker fleet. He has major interests in the offshore driller Seadrill, the fish farming company Mowi, the dry bulk company Golden Ocean Group, and the supply vessel company Deep Sea Supply. Through his investment companies Hemen Holdings and Meisha, Fredriksen controls the companies Frontline and Golar LNG. In 2010–2011, Frontline owned 9.6 percent of another large tanker company, Overseas Shipholding Group. North Atlantic Drilling, Sevan Drilling, and Asia Offshore Drilling are partly owned by Seadrill.
Group Sonangol is a parastatal that oversees petroleum and natural gas production in Angola. The group consists of Sonangol E.P. and its many subsidiaries. The subsidiaries generally have Sonangol E.P. as a primary client, along with other corporate, commercial and individual clients. Angola is estimated to have over 5 billion barrels (790,000,000 m3) of offshore and coastal petroleum reserves, and new discoveries are outpacing consumption by a 5 to 1 ratio.
Lysaker is an area in Bærum Municipality, Viken County, Norway. Lysaker is the easternmost part of Bærum and borders Oslo proper. Lysaker was initially a farming community, later becoming a residential area. Today it is primarily known as a business and trade area, and a public transport hub. It is considered part of Stor-Oslo, and is home to offices of numerous domestic and international businesses.
Aker ASA is a Norway-based industrial investment company with ownership interests concentrated in oil and gas, renewable energy and green technologies, maritime assets, marine biotechnology, and industrial software. The company is listed on Oslo Stock Exchange. Aker's main shareholder is Kjell Inge Røkke, who owns 68.2% per cent of Aker through his company TRG Holding AS. The corporate headquarters are located in Fornebu, Norway. Aker was established in 1841 when Akers Mekaniske Verksted was founded in Oslo.
CGG is a French-based geophysical services company founded in 1931.
Equinor ASA is a Norwegian state-owned multinational energy company headquartered in Stavanger. It is primarily a petroleum company, operating in 36 countries with additional investments in renewable energy. In the 2020 Forbes Global 2000, Equinor was ranked as the 169th-largest public company in the world. The company has about 20,200 employees.
Solstad Offshore is a Norwegian offshore service and supply ship shipping company that operates 122 vessels and including 29 construction service vessels, 40 anchor handling tug supply vessels and 53 platform supply vessels. The company is based in Karmøy, but also has offices in Ålesund, Aberdeen, Rio de Janeiro, Perth, Singapore, Manila and Odessa.
Wavefield Inseis was a Norwegian company trading between 2007 and 2009 that provided global marine geophysical services. By 2008 the company operated a total of six geophysical survey vessels, and could supply services in 2D, 3D, 4D, multi-azimuth, and wide-azimuth, with both exclusive and multi-client services.
Odfjell Drilling Ltd. is an oil drilling, well service, and engineering company.
The AF Group ASA is the third largest civil engineering and construction company in Norway. The company headquarters is located in Oslo. The AF Group is listed on the Oslo Stock Exchange.
Bergen Oilfield Services AS (BOS) is a Norwegian offshore seismic survey company with a focus on subsea technology commercialisation. BOS owned their three vessels and undertook the data acquisition through to processing. BOS's QHSE policies and procedures are developed to ISO 9001, ISO 14001, OHSAS 18001 and as an IAGC member, BOS followed IAGC standards.
Seatower is a Norwegian provider of foundations for Offshore wind power. The company, with roots from the offshore oil and gas industry back to 1994, has its headquarters in Oslo and an office in Glasgow. Seatower is considered market leader within GBS for offshore wind.
Aker BP ASA is a Norwegian oil exploration and development company focusing petroleum resources on the Norwegian Continental Shelf. It is present all over Norway. The headquarters are in Fornebu with additional offices in Trondheim, Stavanger and Harstad. The company employs a staff of more than 2,400.
DNV is an international accredited registrar and classification society headquartered in Høvik, Norway. The company currently has about 12,000 employees and 350 offices operating in more than 100 countries, and provides services for several industries including maritime, oil & gas, renewable energy, electrification, food & beverage and healthcare. DNV GL was created in 2013 as a result of a merger between two leading organizations in the field — Det Norske Veritas (Norway) and Germanischer Lloyd (Germany). In 2021, DNV GL changed its name to DNV, while retaining its post-merger structure.
Nor-Shipping is a maritime trade fair that has been held in Norway every other year since 1965. It is one of the leading international shipping events and an important meeting place and forum for the shipping industry. It "remains one of the most pivotal and well-attended events of the marine and offshore calendar." The other major international shipping fairs are Posidonia in Athens and the Shipbuilding, Machinery and Marine Technology (SMM) show in Hamburg.
Polarcus Limited was an offshore geophysical company operating a fleet of seismic research vessels worldwide.
Rex International Holding is an oil and gas company headquartered in Singapore. The company's main activity is in offshore oil and gas exploration and production in assets located in Oman and Norway.
Teekay is one of the largest shipowners in the world. They specialise in shipping crude oil, liquefied natural gas and liquefied petroleum gas.
USD 764.3 million USD (2016) [1] 
