Ivanhoe Energy
OTCMKTS:IVANFIvanhoe Energy, Inc. engages in heavy-oil exploration and development. It focuses on pursuing long term growth in its reserve base and production using advanced technologies. The company was founded by Robert Martin Friedland on February 21, 1995 and is headquartered in Vancouver, Canada.
Nostrum Oil & Gas
OTCMKTS:NSTRYNostrum Oil & Gas PLC, an independent oil and gas company, engages in the exploration, development, and production of oil and gas in the pre-Caspian Basin. The company discovers and develops oil and gas reserves, as well as produces and sells crude oil, stabilized condensate, liquefied petroleum gas, and dry gas. Its principal producing asset is 100% owned Chinarevskoye field located in North-western Kazakhstan. As of December 31, 2021, the company had proved and probable reserves of 34 million barrels of oil equivalent (mmboe) and 28 mmboe of contingent resources. Nostrum Oil & Gas PLC was founded in 1997 and is based in London, the United Kingdom.
TN-K Energy Group
OTCMKTS:TNKYTN-K Energy Group Inc., an independent energy company, engages in the acquisition, development, production, and sale of crude oil reserves in the Appalachian Basin. The company operates in Kentucky and Tennessee primarily in the Murfreesboro, Knox, and Wells Creek formations, as well as Granville, Stones River, and Sunnybrook formations. As of December 31, 2014, it owned approximately 1,804.62 gross acres of leasehold interests with 38 producing oil wells. The company was formerly known as Digital Lifestyles Group, Inc. and changed its name to TN-K Energy Group Inc. in October 2009. TN-K Energy Group Inc. was founded in 1994 and is based in Livingston, Tennessee.
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.