Berge Gerdt Larsen

Odfjell Drilling AS provides drilling, engineering, and well service contractors. It also owns and operates submersible drilling rigs. The company was founded on March 21, 2002 and is headquartered in Bergen, Norway.

PetroMena AS provides performance drilling units for the ultra deep water drilling market segment. It operates under management by Larsen Oil & Gas, which is an international drilling and production contractor. It specializes in the development, construction and operation of semi-submersibles and jack-up drilling platforms, FPSOs and mobile combined drilling and production platforms. The company was founded in January 2005 and is headquartered in Paradis, Norway.

Det norske oljeselskap ASA engages in the exploration and recovery of petroleum resources. It is the operator for the Albheim, Volund, Vilje, and Jette producing fields. It is also the operator of the development of the Ivas Aasen field. The company was founded by Erik Haugane on May 2, 2006 and is headquartered in Trondheim, Norway.

Bergen Shipowners Association operates as an association of ship owners.

Venture Drilling AS owns and operates drilling vessels for deepwater oil and gas exploration. The company is headquartered in Kristiansand, Norway

Coast Center Base AS provides products and services for offshore petroleum activities. It offers harbor terminal services for traditional line shipping. The firm also provides logistics, yard, maintenance and technical services for rigs and vessels. The company was founded in 1973 and is headquartered in Ågotnes, Norway.

KS Coast Center Base offers base, logistics, and maintenance services. The company was founded on August 13, 1973 and is headquartered in Agotnes, Norway.