Ovintiv Inc. is an American petroleum company based in Denver. The company was formed in 2020 through a restructuring of its Canadian predecessor, Encana.
Chesapeake Energy Corporation is an American exploration and production company, headquartered in Oklahoma City.
Devon Energy Corporation is a company engaged in hydrocarbon exploration in the United States. It is organized in Delaware with operational headquarters in the 50-story Devon Energy Center in Oklahoma City, Oklahoma. Its primary operations are in the Barnett Shale STACK formation in Oklahoma, Delaware Basin, Eagle Ford Group, and the Rocky Mountains.
Anadarko Petroleum Corporation was a company engaged in hydrocarbon exploration. It was organized in Delaware and headquartered in two skyscrapers in The Woodlands, Texas: the Allison Tower and the Hackett Tower, both named after former CEOs of the company. In 2019, the company was acquired by Occidental Petroleum.
Consol Energy Inc. is an American energy company with interests in coal headquartered in the suburb of Cecil Township, in the Southpointe complex, just outside Pittsburgh, Pennsylvania. In 2017, Consol formed two separate entities: CNX Resources Corporation and CONSOL Energy Inc. While CNX Resources Corp. focuses on natural gas, spin-off Consol Mining Corporation, now Consol Energy Inc. focuses on coal. In 2010, Consol was the leading producer of high-BTU bituminous coal in the United States and the U.S.'s largest underground coal mining company. The company employs more than 1,600 people.
UGI Corporation is a natural gas and electric power distribution company headquartered in King of Prussia, Pennsylvania, with extensive operations in the United States and Europe.
EQT Corporation is an American energy company engaged in hydrocarbon exploration and pipeline transport. It is headquartered in EQT Plaza in Pittsburgh, Pennsylvania.
XTO Energy Inc. is an American energy company and subsidiary of ExxonMobil principally operating in North America. Acquired by ExxonMobil in 2010 and based out of Spring, Texas, it is involved with the production, processing, transportation, and development of oil and natural gas resources. The company specializes in developing shale gas via unconventional means like hydraulic fracturing and horizontal drilling.
Noble Energy, Inc. was a company engaged in hydrocarbon exploration headquartered in Houston, Texas. In October 2020, the company was acquired by Chevron Corporation.
Rex Energy Corporation was a natural gas exploration and production company headquartered in State College, Pennsylvania. In 2018, the company was acquired by PennEnergy Resources.
Shale gas in the United States is an available source of unconventional natural gas. Led by new applications of hydraulic fracturing technology and horizontal drilling, development of new sources of shale gas has offset declines in production from conventional gas reservoirs, and has led to major increases in reserves of U.S. natural gas. Largely due to shale gas discoveries, estimated reserves of natural gas in the United States in 2008 were 35% higher than in 2006.
The Utica Shale is a stratigraphical unit of Upper Ordovician age in the Appalachian Basin. It underlies much of the northeastern United States and adjacent parts of Canada.
Athabasca Oil Corporation is a Canadian energy company with a focused strategy on the development of thermal and light oil assets. Situated in Alberta's Western Canadian Sedimentary Basin, the company has amassed a significant land base of extensive, high quality resources. Athabasca's common shares trade on the TSX under the symbol "ATH".
Southwestern Energy is a natural gas exploration and production company organized in Delaware and headquartered in Spring, Texas. The company is ranked 893rd on the Fortune 500.
Range Resources Corporation is a natural gas exploration and production company headquartered in Fort Worth, Texas. It operates in the Marcellus Formation, where it is one of the largest land owners
Whiting Petroleum Corporation was a company engaged in hydrocarbon exploration primarily in the Bakken Formation and Three Forks Shale. It was organized in Delaware with its operational headquarters in Denver, Colorado.
Chord Energy Corporation is a company engaged in hydrocarbon exploration and hydraulic fracturing in the Williston Basin in North Dakota and Montana. It is organized in Delaware and headquartered in Houston, Texas, with an office in Williston, North Dakota. The company was formerly known as Oasis Petroleum.
American Energy Partners, LP, also known as AELP, was an American natural gas and oil company founded in April 2013 by Aubrey K. McClendon. The company managed affiliates responsible for natural shale gas and oil production and exploration in the United States, as well as management of assets, minerals, royalties and non-operated properties. It was headquartered in Oklahoma City, Oklahoma, and employed over 450 people as of August 2015. AELP announced on May 18, 2016, two months after McClendon's death, that it would end operations and close by the end of summer 2016.
CNX Resources Corporation is a natural gas company based in Pittsburgh with operations in the Appalachian Basin, primarily in the Marcellus Shale and Utica Shale in Pennsylvania, Ohio and West Virginia. It also develops coalbed methane properties in Virginia along with a methane capture and abatement program. The company also has extensive midstream operations and is one of the largest producers of natural gas in the United States.
Equitrans Midstream Corporation, also known as E-Train, is an American energy company engaged in the pipeline transportion of natural gas and natural gas liquids. It is headquartered in Canonsburg, Pennsylvania.
US$4.619 billion (2021)
US$5.757 billion (2021)
