John Elphinstone

Part of Baker Hughes Co., Baker Hughes Pressure Control Ltd. is a leading British energy technology company that designs and manufactures transformative technologies to make energy safer, cleaner, and more efficient for people and the planet. Founded in 1975, the company is based in Aberdeen, UK. The company specializes in LNG solutions, drawing on over 30 years of industry-leading experience to optimize long-term reliability, availability, and project success in the sector.

Geolink (UK) Ltd. manufactures pressure sensors for drilling equipment. The firm specializes in the design and supply of measurement while drilling and logging systems. It offers services to companies, drilling contractors, and oil & gas operators. The company was founded in 1989 and is located in Aberdeen, UK.

Sondex Ltd. designs, manufactures and markets electro-mechanical based equipment to oilfield service companies. Its products include Sondex drilling and wireline. The company was founded by Robert Hunt-Grubbe and is headquartered in Farnborough, the United Kingdom.

Deep Casing Tools Ltd. designs and manufactures advanced casing and completion tools for the oil and gas and geothermal industries. It offers Turbocaser Express, Turborunner, Shalerunner, and Turbocaser Deepwater services. The company was founded by Derek Frederick Herrera in 2008 and is headquartered in Aberdeen, the United Kingdom.