Day Atle Brest

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.

Ørnulf Wiig Installasjon AS provides electrical installation services. It installs charging stations, alarm, lighting, fuse box, in-floor heating, and other electrical applications. The company was founded in 1947 and is headquartered in Slependen, Norway.

Midroc Electro AS installs, designs, produces, services, and trades electronic and electrical devices. The company was founded on January 1, 2014 and is headquartered in Oslo, Norway.

PowerTech AS provides electrical services. It produces and trades electronic components, control panels, and other panels. The company was founded on November 18, 2011 and is headquartered in Drammen, Norway.

Rose Corrosion Services Ltd. engages in designing, manufacturing and supplying chemical injection and material testing systems. It offers lighting columns, consultancy, and training services. The firm's products include chemical injection, corrosion monitoring, and access fittings. The company serves to the oil, gas, petrochemical, water utility, civil engineering and refining industries. Rose Corrosion Services was founded by Lou Rose in 1976 and is headquartered in Telford, the United Kingdom.