Jan Christian Ellefsen

Umoe AS invests and exercises active ownership in wholly owned and subsidiary companies. The company was founded on March 4, 1991 and is headquartered in Lysaker, Norway.

Det Norske Veritas provides risk management services. The company operates in the maritime, oil & gas, process and transportation industries. It also provides professional consultants with the tools to conduct OPM3 assessment or improvement services to business and governmental agencies worldwide. Det Norske Veritas was founded in 1864 and is headquartered in Oslo, Norway.

Aibel AS provides engineering, procurement, and construction services for the oil, gas and renewable energy sectors. The firm engages in projects, process systems and equipment, modification, and operations to the upstream oil and gas industry. It works with fields and production facilities, offshore and land-based, on fixed and floating installations, and has two assembly yards. The company was founded in 1993 and is headquartered in Stavanger, Norway.

Part of ABB Ltd., ABB AS is a Norwegian company that manufactures electrification products, robots and propulsion systems. The company is based in Billingstad, Norway. The CEO of the company is Steffen Waal.

Spring Energy Norway AS operates as oil and gas company that focuses on the Norwegian Continental Shelf. It provides oil and gas exploration services. The company was founded by Lars A. Husby, Jørn Rokk, Dag Wilfred Reynolds, and Per-Gustav Granholm in 2007 and is headquartered in Oslo, Norway.

Pandion Energy AS engages in the exploration, development, and production of oil and gas on the Norwegian Continental Shelf. It focuses on the development of the Cara oil and gas discovery located in the North Sea. The company was founded in November 2016 and is headquartered in Oslo, Norway.

Aibel Holding Ltd. operates as a holding company with interest in providing engineering services. The company was founded on December 2, 2003 and is headquartered in Havant, the United Kingdom.