Anadarko Petroleum Corporation

Stewart Petroleum Corporation, established in 1986 by Paul and Daryl Stewart, is a leading S Corporation actively involved in oil and gas exploration, production, and property acquisition in the Rocky Mountains and the Mid-Continent region. Under the leadership of President Daryl R. Stewart, the company has a rich history of prospect generation, asset acquisition, and development, including successful divestiture to Black Hills Exploration and Production, Inc. Stewart Petroleum Corporation is dedicated to seeking new drilling opportunities, leasehold acquisition, and the expansion of its oil and gas assets.Generated from the website

Hallador Energy Company is a Denver-based energy firm specializing in the exploration, production, and sale of coal. With a focus on sustainability and efficiency, the company plays a key role in the energy sector. Committed to responsible mining practices, Hallador Energy Company strives to meet the energy needs of communities while minimizing environmental impact. Through strategic partnerships and innovative solutions, the company continues to drive progress in the coal industry. Generated from their business information

Anadarko Petroleum Corporation explores, produces, gathers, processes and transports natural gas and unconventional resources. The company markets energy and provides a broad range of services to customers. Its properties are located primarily in Wyoming, including the Powder River Basin and Pinedale Anticline. Anadarko Petroleum also owns and operates natural gas facilities in the Rocky Mountain, Mid-Continent and west Texas regions of the United States. The company has in excess of 2.4 trillion cubic feet of potential reserves on more than 1.6 million net acres of low-risk exploration and production leasehold. It maintains proven reserves of 812 billion cubic feet and 10,800-plus miles of gathering pipeline. Anadarko Petroleum Corporation was founded in 1971 and is headquartered in The Woodlands, Texas, with a location in Denver.