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Williams is one of America`s leading energy infrastructure companies, dedicated to developing and empowering its employees. We are focused on connecting North America`s significant hydrocarbon resource plays to growing markets for natural gas and natural gas liquids. Our interstate gas pipeline and gathering & processing operations span the United States, including strategic assets in the deepwater Gulf of Mexico, the Rockies, the Pacific Northwest and the Eastern Seaboard.
Gran Tierra Energy Inc. is an international oil and gas exploration and production company headquartered in Calgary, Canada, incorporated and traded in the United States and operating in South America. The Company currently holds interests in producing and prospective properties in Colombia, Brazil and Peru. The Company strategy is focused on establishing a portfolio of drilling opportunities to exploit undeveloped reserves to grow production, as well as undertaking exploration drilling to grow future reserves.
Helix Energy Solutions is a Houston, TX-based company in the Energy & Utilities sector.
Schlumberger Limited is an oilfield services company. Schlumberger employees represent more than 140 nationalities working in more than 120 countries.
Tesco Corporation is an oilfield services company specializing in the design, manufacture and service of technology-based solutions for the upstream energy industry.