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Stevens Drilling Envmtl Svcs is a Maple Plain, MN-based company in the Energy and Utilities sector.
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.
Devon Energy Corporation is a leading independent oil and natural gas exploration and production company. Devons operations are focused onshore in the United States and Canada. The companys portfolio of oil and gas properties provides stable, envi...
Petroleum Development Corporation is a Denver, CO-based company in the Energy & Utilities sector.