Fred. Olsen & Co. is a holding company based in Oslo, Norway. The company was founded as a shipping firm by Petter Olsen in 1848. Today the company manages the Olsen family's interests in a variety of sectors including logistics, energy and consumer goods.
Baker Hughes Company, organized in Delaware and headquartered in Houston, is one of the world's largest oil field services companies. The company provides products and services for oil well drilling, formation evaluation, completion, production, and reservoir consulting. It operates in over 120 countries, with research and manufacturing facilities in Australia, Singapore, Malaysia, India, Dubai, Saudi Arabia, Italy, Germany, Norway, Oklahoma, Louisiana and Missouri. From 2017 to 2020, the company was majority owned by General Electric (GE); however, GE no longer owns a material stake in the company.
Kværner was a Norwegian engineering and construction services company that existed between 1853 and 2005. In 2004, it was amalgamated to the newly formed subsidiary of Aker ASA - Aker Kværner, which was renamed Aker Solutions on 3 April 2008. Kværner re-emerged on 6 May 2011, when the EPC part of Aker Solutions took the Kværner name. The new Kværner company was listed on the Oslo Stock Exchange on 8 July 2011.
Aker Solutions ASA engineers and builds energy infrastructure while providing a range of products and consultancy services to low-carbon and renewable energy projects. Based in Oslo, the company's critical offerings to the energy industry include the systems and services required to extract oil and gas, build wind-to-grid infrastructure and engineer CO2 capture and sequestration.
Transocean Ltd. is an American company. It is the world's largest offshore drilling contractor based on revenue and is based in Vernier, Switzerland. The company has offices in 20 countries, including Canada, the United States, Norway, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia.
Byford Dolphin was a semi-submersible, column-stabilised drilling rig operated by Dolphin Drilling, a Fred Olsen Energy subsidiary. It drilled seasonally for various companies in the British, Danish, and Norwegian sectors of the North Sea. It was registered in Hamilton, Bermuda until scrapped in 2019.
Valaris Limited is an offshore drilling contractor headquartered in Houston, Texas, and incorporated in the UK. It is the largest offshore drilling and well drilling company in the world, and owns 56 rigs, including 40 offshore jackup rigs, 11 drillships, and 5 semi-submersible platform drilling rigs.
Diamond Offshore Drilling, Inc. is an offshore drilling contractor. The company is headquartered in Katy, Texas, United States, and has major offices in Australia, Brazil, Mexico, Scotland, Singapore, and Norway.
Prosafe SE is a company specialized in owning/operating semi-submersible accommodation vessels. The company is listed on the Oslo Stock Exchange.
Seadrill is a deepwater drilling contractor for the petroleum industry. It is incorporated in Bermuda for tax purposes and managed from London and Houston The company operates semi-submersible platforms, jackup rigs and drillships.
Bonheur ASA is a publicly traded Norwegian holding company headquartered in Oslo. The company is listed on Oslo Stock Exchange and has interests in the energy, real estate, shipping and media sectors.
Ganger Rolf ASA was a Norwegian holding company for the Olsen family. The company was listed on the Oslo Stock Exchange and had ownership positions in numerous companies primarily within the energy and shipping sectors, but also other areas such as real estate and mass media. All investments were made 50/50 with Bonheur. Bonheur is in turn controlled by Fred. Olsen & Co., a company wholly owned by Anette S. Olsen. Ganger Rolf owned 19.51% of Bonheur.
Aker Drilling, was a Norwegian drilling rig operation company; based in Stavanger, Norway and majority owned by the Aker Group. It was listed on Oslo Stock Exchange under the ticker - 'AKD'.
Aker ASA is a Norwegian industrial investment company with ownership interests concentrated in oil and gas, renewable energy and green technologies, industrial software, seafood and marine biotechnology sectors. 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.
Smedvig ASA, ("Smedvig"), was a Norwegian offshore oil rig company headquartered in Stavanger until it was acquired by rig newcomer SeaDrill of tanker mogul John Fredriksen. At time of the merger Smedvig operated two semi submersibles, one drillship and one jack up rig in the Norwegian and British sector of the North Sea. A fleet of seven tender rigs were operated in South East Asia from the Singaporean subsidiary Smedvig Asia. As part of the merger, Smedvig's staff was transferred to Seadrill with Smedvig senior personnel assuming key positions in Seadrill. Smedvig was delisted from the OSE and NYSE, while Seadrill is listed on the Oslo Stock Exchange.
Nabors Industries Limited is an American global oil and gas drilling contractor that has operated since 1972. Based in Houston, Texas, Nabors owns the largest land drilling fleet in the world with approximately 400 rigs in more than 20 countries. The company consists of the following business segments: U.S. Drilling, Canada Drilling, International Drilling, Drilling Solutions, and Rig Technologies. Nabors is notable for its historic association with the Guggenheim family.
Odfjell Drilling Ltd. is an oil drilling, well service, and engineering company.
The Aban Pearl was a twin-hull, column-stabilized, semi-submersible offshore drilling rig owned and operated by Aban Offshore drilling company. It is registered in Singapore. In 2009, the Aban Pearl became the first offshore gas rig operated by the Venezuela's state-owned oil company PDVSA. In May 2010, the rig sank into the sea though all workers aboard at the time were saved.
Ezra Holdings Ltd, also known under their operating brand name of EMAS, is an integrated offshore support provider for the oil and gas industry. The business was founded in 1992 and is headquartered in Singapore. Ezra was listed on the Singapore Exchange Securities Trading Limited (SESDAQ) and promoted to Mainboard on 8 December 2005.
EMAS is an offshore contractor and integrated offshore solutions provider catering to the oil and gas (O&G) industry on a global scale. It operates as a subsidiary of Ezra Holdings and has gained recognition within the industry. Established in 1992, the company is headquartered in Singapore and initially focused its operations in the maritime sector of the Asia Pacific region, primarily managing a fleet of vessels. Over time, EMAS experienced substantial growth and expansion. In 2003, the company successfully listed its shares on the Singapore Exchange SGX, enhancing its market presence. EMAS also established fabrication facilities in Vietnam.
