Anders Mathias Arefjord

Part of BR Industrier AS, AGR Cleanup AS provides building exterior cleaning services. The company is based in Straume, Norway.

BRI CleanUp provides technical consulting services. The private company is based in Oslo, Norway.

ClampOn AS provides topside and subsea ultrasonic intelligent sensors. Its services include installation, commissioning, start-up, and service on permanent installations. The firm’s products include ClampOn Particle Monitor, ClampOn SandQ Monitor, ClampOn Subsea SandQ Monitor, ClampOn Vibration Monitor, ClampOn Subsea Vibration Monitor, ClampOn PIG Detector, ClampOn Subsea PIG Detector, ClampOn Leak Monitor, ClampOn Subsea Leak Monitor, ClampOn Corrosion-Erosion Monitor, ClampOn Subsea Corrosion-Erosion Monitor, ClampOn Well Collision Detector, and ClampOn Subsea WTM Wall Thickness Monitor. The company was founded by Dag Arhur Aldal and Geir Instanes in August 1995 and is headquartered in Bergen, Norway.

Fluenta AS manufactures multiphase metering, sand detection, and flare gas metering products. The company is based in Bergen, Norway. The Norwegian company was founded by Erling Asbjørn Hammer. Fluenta was acquired by Roxar AS from Data Invest SRL on January 15, 2001 for $12.39 million.

FourPhase AS provides sand and sediments removal products for oil and gas production. It specializes in optimizing oil and gas production by reducing sediments from the production flow. The firm optimization is achieved by using a dynamic desander system allowing higher production within defined sediments-criteria. It supplies dynamic desander systems in the market. The company was founded by Øyvind Hansen Heradstveit, Jarle Kvamme, Anders Mathias Arefjord, and Jarle Nytræ in January 2012 and is headquartered in Kokstad, Norway.