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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.

Pioneer Natural Resources Argentina SA operates as an oil and gas exploration and Argentinean production company. The company is based in Buenos Aires, Argentina.

Council of the Americas, Inc. is a non-profit organization, which engages in the management of professional membership organization. It aims to promote economic and social development, open markets, rule of law, and democracy. The firm is composed of companies representing the sectors of banking and finance, consulting services, consumer products, energy and mining, manufacturing, media, technology, and transportation. The company was founded by David Rockefeller Sr. in 1965 and is headquartered in New York, NY.

Pioneer Natural Resources is an independent exploration and production company focused on delivering competitive and sustainable results. Pioneer responsibly produces oil and gas resources to help meet the world's energy demands as it provides opportunities for growth and enrichment to employees, business partners and the communities in which the Company operates.