Mark Jansen

Part of SLB NV, Schlumberger Plc is a British technology company that specializes in oilfield services. The company is based in Horley, UK. The company provides effective fracturing services to help connect wellbores to more reservoir rock. Founded in 1977, the company achieves accurate depth control and ensures target zone coverage while controlling hydrostatic balance.

Part of Cullum Trustees Ltd., Cullum Detuners Investments Ltd. is a British company founded in 1993 that designs, manufactures, and installs equipment and installations for various sectors. The company is based in Heanor, UK. The company's mission is to make the industry quieter, safer, and greener by producing acoustic solutions, test equipment, and more.

Northrop Grumman UK Ltd. provides security systems services. The company was founded on November 6, 2006 and is headquartered in London, the United Kingdom.

Part of Evolito Ltd., Electroflight Ltd delivers lightweight, certified powertrain solutions for electric and hybrid aircraft applications. The company is based in Staverton, UK. The British company provides airframers and aviation companies with modular and integrated battery systems using leading-edge cell technology, battery management systems, and battery maintenance, repair & operations. Electroflight is building next-generation battery systems and an end-to-end battery ecosystem to allow commercial electric flight to truly take off. The company was founded in 2011 by Roger Halliday Targett. The CEO is Stjohn Alan Youngman. Electroflight was acquired by Evolito Ltd. on July 05, 2022.