Sigmund Hjermann

Hammertech AS is a holding company that provides oil and gas flow measurement products. It produces a water fraction detector that can identify a water producing location. The company’s product includes AquaKeel, which is a level profiler for use in gravitation separators in the oil and gas industry using a patented detection principle without hazardous components; AquaField, which is a water fraction meter; and AquaWell, which brings online measurement of water fraction and salinity per reservoir zone to the oil and gas industry. The company was founded by Erling Asbjorn Hammer in 2009 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.

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.

Christian Michelsen Research AS provides research services for the development of prototypes and commercialization of research results. The company is based in Bergen, Norway. Christian Michelsen Research was acquired by Schlumberger Information Solutions on January 30, 2002.