Stig Tuastad

Beerenberg Corp. AS provides maintenance services for the oil- and gas industry. It offers products within passive fire insulation, as well as acoustic and thermal insulation. Its solutions include architect and outfitting; engineering; habitat solutions; rope access techniques; insulation; surface treatment; subsea insulation; and scaffolding. The firm operates through three divisions: Maintenance and Modifications, Benarx Solutions, and Cold Work Concepts. The company was founded in February 1977 and is headquartered in Bergen, Norway.

Ceragon Networks AS designs, develops, manufactures, and markets wireless telecommunications equipment. Its products include microwave antennas, receivers, transmitters, and fiber-optic telecom equipment for building wireless networks. The firm serves the mobile, broadcast, enterprises and Internet service providers, defense, and offshore sectors. The company was founded on January 7, 1998 and is headquartered in Blomsterdalen, Norway.

Petroleum Services Group AS is a holding company, which engages in the construction and engineering project management. It also provides rig procurement, tailored training, software and consultancy manpower. The company was founded in 1987 and is headquartered in Oslo, Norway.