John Cameron Wallace

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.

Ganger Rolf ASA use to engage in the business of shipping, offshore services, and renewable energy. It operated through the following segments: Offshore Drilling, Renewable Energy, Cruise, Shipping and Offshore Wind, and Other Investment. The Offshore Drilling segment provided services to the offshore oil and gas industry. The Floating Production segment was engaged in the development, construction, and operation of wind farms in Scotland, Norway, and Sweden. The Cruise segment owned and operated cruise ships. The Shipping and Offshore Wind segment use to consists of two tankers, one reefer vessel, ownership in a company owning and operating transport and installation vessels for offshore wind turbines, and ownership in a company offering integrated turnkey solutions to the offshore wind industry. The Other Investment segment included ownership of the company with its subsidiaries. The company was founded in 1895 and was headquartered in Oslo, Norway.

Dolphin Drilling ASA engages in the provision of drilling services to the offshore oil and gas offshore industry. The company was founded on April 11, 1997 and is headquartered in Sandnes, Norway.

Part of Fred. The private company is based in London, UK and was founded in 1987. Olsen Ltd., Fred. Olsen Travel Ltd. is a British company that specializes in helping customers find their perfect holiday.

Fred. Olsen Ltd. operates as a renewable energy company. It also markets travel and estate management. The company was founded in 1963 and is headquartered in London, the United Kingdom.

Part of Siem Offshore AS, Secunda Holdings LP operates as a holding Canadian company. The private company is based in Saint-Johns, Canada.

Secunda Canada LP owns and operates a fleet of offshore supply vessels in support of oil and gas exploration services. The firm manages a harsh-weather fleet of offshore support vessels servicing major oil and gas companies on the east coast of Canada. The company was founded in March 2012 and is headquartered in Dartmouth, Canada.