David Barr

Baker Hughes Holdings LLC supplies oilfield services, products, technology, and systems to the worldwide oil and natural gas industry. It provides products and services for other businesses including downstream chemicals, and process and pipeline services. The company is headquartered in Houston, TX.

Cameron International Corp. designs, manufactures, markets and services equipment used by the oil and gas industry and industrial manufacturing companies. It provides flow equipment products, systems and services to worldwide oil, gas and process industries. The company was founded by Harry Cameron and James Abercrombie in 1920 and is headquartered in Houston, TX.

ION Geophysical Corp. engages in the provision of geoscience technology, services, and solutions to the oil and gas industry. It operates through the E&P Technology and Services, and Operations Optimization segments. The E&P Technology and Services segment creates digital data assets and delivers services that improve decision-making, mitigate risk and maximize portfolio value for E&P companies. The Operations Optimization segment develops mission-critical subscription offerings and engineering services that enable operational control and optimization offshore. The company was founded in 1968 and is headquartered in Houston, TX.

Baker Atlas, Inc. supplies oilfield services, products, technology and systems to the oil and natural gas industry. The firm provides industrial and other products and services to the downstream refining and the process and pipeline industries. The company is headquartered in Houston, TX.

Logan International, Inc. engages in manufacturing of oil field tools and equipment. The firm also provides seismic surveying services. It offers proprietary tools that enhance the effectiveness of horizontal drilling. The company was founded on April 7, 1993 and is headquartered in Calgary, Canada.