Gastar Exploration Ltd.
Operates coal bed methane properties in Wyoming and Australia. Exploring for deep gas in California.
GeoResources, Inc.
Explores for, develops and produces oil and natural gas properties. (Nasdaq: GEOI).
Gibraltar Energy Company
Operating in the Black Warrior Basin of Northern Mississippi and Alabama.
Globex Resources Energy Company
Operates in western Canada. Pursuing development opportunities in India.
Greka Energy Corporation
Explores for, acquires, develops and extracts oil and gas, and limestone. (Nasdaq: GRKA).
GSV, Inc.
An oil and gas exploration company.
Habinero Resources Inc.
Gas exploration in California.
Harken Energy Corporation
Operates mostly in southeast Texas and Gulf Coast region.
Harvest Natural Resources
Formerly Benton Oil and Gas. Operating mainly in Venezuela and Russia.
Horizon Offshore, Inc.
Provides marine construction services to the offshore oil and gas industry primarily in Gulf of Mexico. (Nasdaq: HOFF).
Houston Energy, Inc.
Exploring offshore Gulf of Mexico, Louisiana and Texas Gulf Coast. Also West Texas/southeast New Mexico.
Hydro Oil and Energy
Operating on the Norwegian continental shelf. Company also operates in Angola, Canada, Libya and Russia, with prospects in Iran and the Mexican Gulf.
Hyperdynamics Corporation
Focused on oil and gas exploration, discover and produce commercially viable hydrocarbons and facilitate efficient seismic data management . Features information on products and services, investor data, technology center, and careers. ( OTC/BB:HYPD )
Icon Energy, Limited
Australian company, operating in the Cooper-Eromanga and Surat-Bowen Basins of Queensland, Australia.
Indo Pacific
New Zealand company, operating in the Austral-Pacific region.
Infinity, Inc.
Focusing on coalbed methane. Properties in Green River Basin of Wyoming and elsewhere. Also provide oilfield services in Kansas, Oklahoma, Missouri, and Wyoming.
K2 Energy Corporation
Operates on the Blackfeet Indian Reservation in northern Montana.
Kerr-McGee Rocky Mountain Corp.
Operating in the D-J Basin, Gulf Coast, and Rocky Mountain regions of the United States.
Kestrel Energy, Inc.
Explores for and develops oil and natural gas properties and acquires interests in oil and gas leases. (Nasdaq: KEST).
Khanty Mansiysk Oil Corporation (KMOC)
A US-registered company, operating in the Western Siberian basin of the Russian Federation.
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