John D. Harris

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.

Gaffney, Cline & Associates, Inc. provides global oil and gas consulting services to clients across the upstream, midstream, and downstream sectors of the oil and gas industry. The company is headquartered in Houston, TX.

Helix RDS Ltd. provides reservoir and well technology services to the upstream oil and gas industry. It offers services in the areas of field exploration and appraisal, field acquisition and divestment, field development planning, mature field redevelopment, formation evaluation and reservoir description. The company was founded in 2001 and is headquartered in Aberdeen, UK.