Haakon Tronrud

Betonmast AS engages in the provision of contracting services. It offers property development and contractor solutions. Its project portfolio includes hotels, rehabilitation centers, commercial buildings, and residential properties. The company was founded in 1923 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.

HCA Melbye AS trades and invests in construction, commerce, and real estate business. The firm also manages interests in wholly and partly owned subsidiaries. The company was founded Hans Christian Axel Melbye in May 1907 and is headquartered in Skedsmokorset, Norway.

Melbye Skandinavia AS provides infrastructure network solutions to the energy and telecom markets. It operates within power cable business providing all kinds of cable accessories, and in the overhead line business. The firm also supplies fibre network solutions, as well as testing, and documentation systems. The company was founded in 2001 and is headquartered in Skedsmokorset, Norway.

Qatar Aluminium Ltd. engages in the manufacture and distribution of aluminum products. It offers primary aluminium, extrusion ingots, and foundry alloys. Its products are used in a variety of industries including automotive, construction, engineering, and in the manufacturing of consumer goods. The company was founded on July 19, 2007 and is headquartered in Mesaieed, Qatar.

Bomek AS invests and owns shares, financial instruments, and stocks in other companies. The company was founded on March 7, 2014 and is headquartered in Bodo, Norway.

BetonmastHæhre AS operates as a construction company. It performs all types of building and construction assignments. The company was founded in 2017 and is headquartered in Oslo, Norway.

Skogvind AS owns and builds wind parks. It develops small-scale wind power projects. The company is headquartered in Oslo, Norway.