Einar Gamman

Zeropex AS manufactures equipment for generating renewable energy from the pressure drop in water systems while improving management of pressure and flow in such networks. Its product Difgen, is a high-performance hydropower generator which also functions as a pressure reduction valve (PRV) for use in water systems and similar applications. It comprises a turbine, a generator and a control system. The firm also manufactures in-pipe micro turbines proven in water industry use. Its micro turbines also operate as a smart control valve which is able to manage both pressure and flow in water networks. The firm offers site surveys with survey report and recommendations, installation design, installation and commissioning and service agreements. The company was founded by Trond Melhus, Per Reidar Ørke and Jan Kristian Vasshus in 2006 and is headquartered in Stavanger, Norway.

Stingray Ltd. manufactures musical instruments. The private company is based in London, UK.

Halfwave AS provides advanced inspection services based on acoustic resonance technology to the oil & gas industry. It offers pipeline and subsea inspections. The company was founded on June 10, 2011 and is headquartered in Ovre Ervik, Norway.

Reality Mobile LLC provides mobile video and communications solutions. It offers RealityVision, a mobile collaboration software platform which gives users access to video, data, and sensors, as well as allows sharing of live videos, mission-critical data, and global positioning system tracking. The company was founded by David Joshua Kramer and David K. Rensin in 2003 and is headquartered in Bethesda, MD.

Prosep USA, Inc. provides integrated oil, gas and water separation solutions. The firm provides field service equipment and technicians to solve operational issues, commission equipment and optimize current operations. Its services can also provide replacement media’s for both gas and produced water streams such as activated carbon, charcoal, nutshell filter media and ceramic media. The company was founded in 2005 and is headquartered in Houston, TX.

Enpro Subsea Ltd. engages in the supply and distribution of oil field equipment. The firm also provides field development, project management, flow access modules, flow intervention, and field decommissioning products and services. The company was founded by John Reid, Ian Donald, Steven George Morris Robb, and Thomas Gerard Bryce in 2011 and is headquartered in Aberdeen, the United Kingdom.

Produced Water Absorbents, Inc. provides waste treatment solutions and services to the oil and gas industry. It's services include mixing technologies, energy, water technologies, and integration. The company was founded in June 2005 and is headquartered in Houston, TX.

Cereus Ultrasonics Ltd. is a British UK-based company that was founded in 2018. The company specializes in audio ultrasonics using the Cereus engine, which offers a diverse range of equalization techniques. The techniques used at Cereus Ultrasonics were first developed to improve tracking and implementation of drug delivery significantly.