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Oil & Gas Companies in Denver
160 companies listed

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Emerald Oil, Inc
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Emerald is an independent exploration and production focused on developing oil wells in the Williston Basin of North Dakota and Montana while targeting the Bakken and Three Forks shale oil formations.  Emerald is based in Denver, Colorado.Emerald controls approximately 121,000 net acres in the…
Energy Investments, Inc
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Energy Investments, Inc. has been investing in American energy.Founded in 1992, EII has been leasing acreage and drilling wells for onshore oil and gas exploration across the United States.  Though our focus and years of experience are distinctly in the Rocky Mountain Region, our projects are located…
Sterling Energy
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Sterling Energy, a Denver-based midstream company, has been providing gas gathering, compression, processing, treating, NGL and natural gas marketing to our customers since 2000, and water transportation by pipeline since 2013. Our goal is to provide producers with the infrastructure and services necessary…
Bonanza Creek Energy, Inc
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Bonanza Creek Energy, Inc. is an independent oil and natural gas Company engaged in the acquisition, exploration, development and production of onshore oil and associated liquids-rich natural gas in the United States. The Company’s assets and operations are concentrated primarily in the Rocky…
Zavanna, LLC
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Zavanna, LLC is a private held company operating in Williams and McKenzie Counties in North Dakota. The company has grown to 5th largest private producer and is recognized for its unparalleled technical capabilities. Zavanna, LLC was formed in August of 1994, to exploit a unique proprietary computer-based…
WhitMar Exploration Co
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Founded in 1979, WhitMar Exploration Company is a private energy company located in Denver, Colorado. The company is actively engaged in the drilling and development of natural gas and oil prospects in the continental United States, with primary focus on oil shale and gas shale prospects. WhitMar is…
Petroleum Development Corporation
Denver, Colorado, United States
Basic Member
Since Dec, 2016
PDC Energy is an exploration and production company headquartered in Denver, Colorado focused on value-added organic growth through active horizontal drilling programs. PDC's operations include production, development, exploration and marketing of crude oil, natural gas and natural gas liquids (“NGLs”).…
MarkWest Energy Partners LP
Denver, Colorado, United States
Basic Member
Since Dec, 2016
MarkWest is engaged in the gathering, processing, and transportation of natural gas; the transportation, fractionation, storage and marketing of NGLs; and the gathering and transportation of crude oil. MarkWest Energy Partners, L.P. welcomes inquiries from investors, news media, business associations,…
Magellan Petroleum Corporation
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Magellan Petroleum Corporation is an independent oil and gas exploration and production company focused on the development of CO2-enhanced oil recovery ("CO2-EOR") projects in the Rocky Mountain region. Historically active internationally, Magellan also owns significant exploration acreage in the Weald…
Lario Oil & Gas Company
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Lario Oil & Gas Company – 88 year old private oil and gas company with operations throughout the United States, with a long history of value creation. In the decades following it's founding, Lario grew to be one of the largest independent oil companies in the U.S. Deep knowledge and experience…
Black Hills Exploration & Production
Denver, Colorado, United States
Basic Member
Since Dec, 2016
Black Hills Exploration & Production is the oil and natural gas exploration and production subsidiary of Black Hills Corporation with operating and non-operating interests in 1,219 developed oil and gas wells in nine states. We operate as Black Hills Plateau Production in the Piceance Basin of Colorado,…
Concord Energy LLC
Denver, Colorado, United States
Basic Member
Since Nov, 2016
Concord Energy is a leader in best-in-class energy services and solutions. We are committed to providing top-quality service for natural gas, natural gas producer services, commercial and industrial sales, crude oil marketing, transportation, water services and oilfield services. Concord takes pride…
Apollo Operating LLC
Denver, Colorado, United States
Basic Member
Since Nov, 2016
Apollo Operating is a Denver-based energy, oil and gas exploration and production company. Oil is a key ingredient in our nation’s energy mix and we work to produce it cleanly and effectively. Apollo addresses the needs and concerns of landowners through an open dialogue and flexible lease agreements.…
Hallador Energy Company
Denver, Colorado, United States
Basic Member
Since Oct, 2016
Hallador Energy Company has been leading exploration in energy sourcing since 1951. The name Hallador, is Spanish for “one who leads the way”; this has been the company mantra for strategic positioning for long-term opportunities.With its roots in oil and gas exploration, Hallador has evolved…
Strata-X Energy
Denver, Colorado, United States
Basic Member
Since Oct, 2016
Strata-X Energy Ltd. (TSX.V:SXE)(ASX:SXA) and its wholly owned subsidiaries, Strata-X, Inc. and Strata-X Energy Australia Pty Ltd (Collectively referred to within as Strata-X , Strata-X Energy, or the company) is an independent oil and gas exploration company listed on the TSX-Venture Exchange and also…
Lago Petroleum Consulting
United States
Basic Member
Since Sep, 2016
Lago Petroleum Consulting was founded in 2006, to provide high-level geoscience support to oil and gas production companies around the world, helping them discover and develop oil and gas reserves.  Whether you represent a large multinational integrated oil and gas company, national oil company,…
MarkWest Energy
United States
Basic Member
Since Sep, 2016
On December 4, 2015, MPLX LP (NYSE: MPLX) and MarkWest Energy Partners closed on their previously announced merger and MarkWest is now a wholly owned subsidiary of MPLX. MarkWest is engaged in the gathering, processing, and transportation of natural gas; the transportation, fractionation, storage and…
Whiting Petroleum Corporation
United States
Basic Member
Since Sep, 2016
Whiting Petroleum Corporation is one of the largest independent exploration and production companies in the USA with an oil focused asset base. We control one of the largest acreage positions in the Bakken/Three Forks resource play in the Williston Basin of North Dakota and Montana with 445,921 net…
Cimarex Energy
United States
Basic Member
Since Sep, 2016
Cimarex Energy, Co. (NYSE: XEC) is a Denver-based independent exploration and production company with operations in Oklahoma, Texas, New Mexico and Kansas. The majority of our activity is currently in the Permian Basin and the Cana–Woodford shale play in western Oklahoma. We pride ourselves on…
Bill Barrett Corporation
United States
Basic Member
Since Sep, 2016
Bill Barrett Corporation was formed in January 2002 by a management team who had already worked together for more than a decade at a successful predecessor company. The Company’s assets and operations are located in the Rocky Mountain region where the Company has a focused portfolio consisting…
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