Alfonso Lopez

Evergreen Resources, Inc., located below the Western prairies and below the Rocky Mountains and the waters of the Gulf of Mexico. The exploration and production company, which has boosted its Gulf of Mexico properties, holds proved reserves oil equivalent. The vast majority of the exploration and production company's reserves are found within the US.

Black Hills Gas Holdings Corp. provides natural gas. The company was founded in 1988 and is headquartered in Black Hills Gas Holdings Corp. SD.

Pioneer Natural Resources Co. operates as an independent oil and gas exploration and production company. The firm engages in hydrocarbon exploration in the Cline Shale. It focuses on the operation of the Permian Basin, Eagle Ford Shale, Rockies, and West Panhandle projects. The company was founded by Scott Douglas Sheffield on April 2, 1997, and is headquartered in Irving, TX.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Laramie Energy II LLC engages in the business of finding and developing natural gas reserves from unconventional gas reservoirs. The company was founded by Kenneth G. Leis and Robert Stephen Boswell in July 2007 and is headquartered in Denver. CO.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.