Northern Oil and Gas, Inc., an independent energy company, engages in the acquisition, exploration, exploitation, development, and production of crude oil and natural gas properties in the United States. It primarily holds interests in the Williston Basin, the Appalachian Basin, and the Permian Basin in the United States. The company is based in Minnetonka, Minnesota.

BKV Corporation engages in the acquisition, development, and operation of natural gas and natural gas liquid properties located in the Barnett Shale in the Fort Worth Basin of Texas and in the Marcellus Shale in the Appalachian Basin of Northeastern Pennsylvania. It is also involved in the gathering, processing, and transportation of natural gas; power generation; and carbon capture, utilization, and sequestration. The company was founded in 2015 and is headquartered in Denver, Colorado. BKV Corporation is a subsidiary of Banpu North America Corporation.

Sitio Royalties Corp. acquires, owns, and manages mineral and royalty interests across premium basins in the United States. The company's portfolio comprising of mineral and royalty interests in the Permian basin located in West Texas and southeastern New Mexico; the Eagle Ford basin located in South Texas; the DJ basin located in Colorado and Wyoming; and the Williston basin located in North Dakota. The company was founded in 2016 and is headquartered in Denver, Colorado.

Vermilion Energy Inc., together with its subsidiaries, engages in the acquisition, exploration, development, and production of petroleum and natural gas. The company has properties in West Central Alberta, southeast Saskatchewan, Manitoba, and West Pembina in Canada; Wyoming in the United States; southwest Bordeaux and Paris Basin in France; the Netherlands; Germany; Ireland; Croatia; Slovakia; and Australia. The company was founded in 1994 and is headquartered in Calgary, Canada.

Summit Midstream Corporation focuses on owning, developing, and operating midstream energy infrastructure assets primarily shale formations in the continental United States. It operates natural gas, crude oil, and produced water gathering systems in four unconventional resource basins, including the Williston Basin in North Dakota, which includes the Bakken and Three Forks shale formations; the Denver-Julesburg Basin that consists of the Niobrara and Codell shale formations in Colorado and Wyoming; the Fort Worth Basin in Texas, which comprises the Barnett Shale formation; and the Piceance Basin in Colorado, which includes the Mesaverde formation, as well as the emerging Mancos and Niobrara Shale formations. It serves natural gas and crude oil producers. Summit Midstream Corporation was founded in 2012 and is based in Houston, Texas.

Amplify Energy Corp., together with its subsidiaries, engages in the acquisition, development, exploitation, and production of oil and natural gas properties in the United States. The company's properties consist of operated and non-operated working interests in producing and undeveloped leasehold acreage, as well as working interests in identified producing wells located in Oklahoma, the Rockies, federal waters offshore Southern California, East Texas/North Louisiana, and Eagle Ford. The company is based in Houston, Texas.

U.S. Energy Corp., an independent energy company, focuses on the acquisition, exploration, and development of oil and natural gas properties in the United States. It holds interests in various oil and gas properties located in the Rockies region, including Montana, Wyoming, and North Dakota; the Mid-Continent region comprising Oklahoma, Kansas, and North and East Texas; West Texas; South Texas; and the Gulf Coast regions. The company was incorporated in 1966 and is headquartered in Houston, Texas.

Enerplus Corporation, together with its subsidiaries, explores and develops crude oil and natural gas in the United States. Its oil and natural gas properties are located primarily in North Dakota, Colorado, and Pennsylvania. The company was founded in 1986 and is headquartered in Calgary, Canada.