(US) Sanchez Midstream Partners LP engages in the acquisition, development, and production of oil and natural gas properties and related assets. The company operates through the following segments: Midstream and Production. The Midstream segment operates the gathering, processing, and transportation of natural gas. The Production segment consists of oil and natural gas properties in Texas and Louisiana. The company was founded on February 7, 2005 and is headquartered in Houston, TX.
Camber Energy, Inc. is an independent oil and natural gas company. It engages in the acquisition, development and sale of crude oil and natural gas from various known productive geological formations. Its operations mainly focuses in Central Oklahoma, South, and West Texas. Camber Energy was founded by William A. Sawyer and James J. Cerna on December 16, 2003 and is headquartered in Houston, TX.
(US) Enservco Corp. engages in the operation of fleet services. It operates through the Production Services and Completion Services segments. The Production Services segment utilizes a fleet of hot oil trucks and acidizing units to provide maintenance services to the domestic oil and gas industry. The Completion Services segment focuses on fleet of frac water heating units to provide frac water heating services and related support services to the domestic oil and gas industry. The company was founded by Michael D. Herman on February 28, 1980 and is headquartered in Denver, CO.
(US) Evolution Petroleum Corp. is an oil and gas company. It develops and produces oil and gas reserves within known oil and gas resources utilizing technology onshore in the United States. The company holds interests in the Carbon Dioxide enhanced oil recovery project in Louisiana's Delhi Field. Evolution Petroleum was founded by Robert Stevens Herlin and Laird Q. Cagan in 1994 and is headquartered in Houston, TX.
New Concept Energy Inc. engages in the exploration and drilling of oil and gas properties. It operates through the Oil and Gas Operations; and Corporate segments. The company was founded in 1978 and is headquartered in Dallas, TX.
(CA) Gran Tierra Energy, Inc. engages in the exploration and production of oil and natural gas in Colombia and Ecuador. It holds interests in the assets located in the Middle Magdalena Valley and Putumayo Basins. The company was founded on June 6, 2003 and is headquartered in Calgary, Canada.
(US) Houston American Energy Corp. is engaged in the development, exploration, exploitation, acquisition, and production of natural gas and crude oil properties. The company was founded on April 2, 2001 and is headquartered in Houston, TX.
Indonesia Energy Corp. Ltd. operates as an oil and gas, exploration and production company. The firm focuses on the Indonesian market. It holds oil and gas assets. The company was founded by James J. Huang and Wirawan Jusuf in 2014 and is headquartered in Jakarta, Indonesia.
(CA) Imperial Oil Ltd. engages in the provision of integrated oil business. It operates through the following business segments: Upstream, Downstream, Chemical and Corporate and Other. The Upstream segment includes the exploration and production of crude oil, natural gas, synthetic oil, and bitumen. The Downstream segment focuses on refining crude oil into petroleum products. The Chemical segment manufactures and markets hydrocarbon-based chemicals and chemical products. The Corporate and Other segment covers assets and liabilities that do not specifically relate to business segments. The company was founded on September 8, 1880 and is headquartered in Calgary, Canada.
Mexco Energy Corp. operates as an independent oil and gas company, which engages in the acquisition, exploration, development, and production of natural gas properties and crude oil. The firm focuses on the Midland Basin located in Eastern portion of the Permian Basin including Reagan, Upton, Midland, Martin, Howard, and Glasscock Counties; and Delaware Basin located in the Western portion of the Permian Basin including Lea and Eddy Counties, New Mexico, and Loving County. The company was founded in April 1972 and is headquartered in Midland, TX.
(US) Northern Oil & Gas, Inc. engages in the acquisition, exploration, development, and production of crude oil and natural gas properties. It focuses on the Bakken and Three Forks formation within the Williston Basin in North Dakota and Montana. The company was founded on March 20, 2007 and is headquartered in Minnetonka, MN.
(US) Ring Energy, Inc. is an oil and gas exploration company which engages in oil and natural gas acquisition, exploration, development and production activities. The firm's areas of operation situated in the Permian Basin; the Central Basin Platform and the Delaware Basin. The company was founded by Lloyd T. Rochford and Stanley M. McCabe on July 30, 2004 and is headquartered in Midland, TX.
(US) Battalion Oil Corp. operates as an independent energy company focused on the acquisition, production, exploration and development of liquids-rich assets in the Delaware Basin. The firm's operations include Delaware Basin, located in Southern Delaware Basin; Bakken and Three Forks, located in North Dakota and Non-Core Acreage, located in Ohio and Pennsylvania. The company was founded in 1987 and is headquartered in Houston, TX.
Barnwell Industries, Inc. engages in the oil and natural gas exploration, land investment, and contract drilling services. It operates through the following segments: Oil and Natural Gas, Land Investment, and Contract Drilling. The Oil and Natural Gas segment engages in the exploration, development, production and sale of oil and natural gas in Canada. The Land Investment segment invests in land interest in Hawaii. The Contract Drilling segment provides well drilling services and water pumping system installation and repairs in Hawaii. The company was founded by Morton H. Kinzler in 1956 and is headquartered in Honolulu, HI.