Douglas Gray Stephens

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.

Frank's International NV engages in the provision of tubular services to oil and gas industries. It operates through the following four segments: Tubular Running Services, Tubulars and Cementing Equipment. The Tubular Running Services segment provides tubular services in international offshore markets and in several onshore international regions. The Tubulars segment designs, manufactures, and distributes large outside diameter (OD) pipe, connectors, casing attachments and sells large OD pipe originally manufactured by various pipe mills. The Cementing Equipment segment provides equipment to enhance the safety and efficiency of rig operations. The company was founded by Frank Mosing in 1938 and is headquartered in Den Helder, Netherlands.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

The Society of Economic Geologists (SEG) is an organization that focuses on economic geology. The organization is based in Littleton, CO. The company offers membership benefits such as access to publications, webinars, and job listings. The SEG also has a foundation that provides funding for students and early career professionals.

Schlumberger Ltd. Supplies technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. The company is headquartered in New York, NY.

Part of Packers Plus Energy Services, Inc., Packers Plus Energy Services (USA), Inc. manufactures drilling and exploration machinery and equipment. The company is based in Houston, TX.