Gunn Munkhaugen

Brubakken AS is a holding company that sells and leases transportation equipment and service machines. It operates through the following segments: Custom Finance and Service Solutions and Service, Support, and Spare Parts. The Custom Finance and Service Solutions segment offers financing solutions for short-term or long-term leasing. The Service, Support, and Spare Parts segment provides technical support and spare parts. The company was founded in 1956 and is headquartered in Porsgrunn, Norway.

Leonhard Nilsen & Sønner AS provides mining and tunnel contracting services. It specializes in the construction of transport and communications tunnel projects; tunnels for hydroelectric power plants; and rock caverns and underground silos. The company was founded by Malvin Nilsen abd Leonhard Nilsen in 1961 and is headquartered in Risøyhamn, Norway.

GMC Holding AS owns and invest in other company's shares. It offers multidiscipline services and products to the marine and offshore industry through its subsidiaries. The firm offers services include ship repairs, maintenance, modification, and logistics. The company was founded in 1973 and is headquartered in Stavanger, Norway.

Jotun A/S develops, manufactures, markets and sells paint and coating systems and surface treatment products. Its products include decorative paintings, marine, protective, and powder coatings. The company was founded by Odd Gleditsch Sr. in 1926 and is headquartered in Sandefjord, Norway.