Atlas Energy Group
OTCMKTS:ATLSAtlas Energy Group, LLC, through its subsidiaries, develops and produces natural gas, crude oil, and natural gas liquids in the United States. The company has interests in the Eagle Ford Shale in southern Texas; the Marble Falls play in the Fort Worth Basin in northern Texas; and the Mississippi Lime play in northwestern Oklahoma. It also focuses on investing in master limited partnership qualifying energy-related businesses and assets. The company was founded in 2011 and is based in Fort Worth, Texas.
PostRock Energy
OTCMKTS:PSTRQPostRock Energy Corp. engages in the acquisition, exploration, development, production, and gathering of crude oil and natural gas. It focuses on the Cherokee Basin project in southeastern Kansas, northeastern Oklahoma, and central Oklahoma. The firm also owns and operates minor oil and gas producing properties in the Appalachian Basin. The company was founded in July 2009 and is headquartered in Oklahoma City, OK.
Sonde Resources
OTCMKTS:SOQDQSonde Resources Corp. engages in the exploration, acquisition, development and production of oil and natural gas properties. The company was founded by Leif Snethun on March 21, 1983 and is headquartered in Calgary, Canada.
Columbine Valley Resources
OTCMKTS:TRXOColumbine Valley Resources, Inc. engages in the acquisition, exploration, and development of oil and gas properties in the United States. The company owns various properties, which are primarily located in the Rocky Mountain region of Wyoming, as well as Nebraska. Columbine Valley Resources, Inc. is headquartered in Broomfield, Colorado.
Yuma Energy
OTCMKTS:YUMAQYuma Energy, Inc. focuses on the acquisition, development, and exploration for conventional and unconventional oil and natural gas resources in the United States. It has onshore properties located in central and southern Louisiana, and southeastern Texas; and operated and non-operated assets in south Louisiana, including Cameron, LaFourche, Livingston, St. Helena, St. Bernard, and Vermilion parishes. The company also holds operated and non-operated assets located in Jefferson and Madison counties, southeast Texas; non-operated position in the East Texas Woodbine; and operated positions in Kern County in California. Yuma Energy, Inc. is based in Houston, Texas. On October 19, 2020, the voluntary petition of Yuma Energy, Inc. for reorganization under Chapter 11 was converted to Chapter 7. It had filed for Chapter 11 bankruptcy on April 15, 2020.