California oil and gas producer with operating properties extending from the LA Basin in the south to the Sacramento Delta in the north.

An Australian publicly listed energy company with oil and gas production and exploration in the USA, and a biodiesel project in Australia. Features company profile, project details, and investor news.

Operations focus in Colorado, New Mexico and Texas.

Texas operator using 3D seismic to generate prospects.

Operations in Alaska, western Canada, Rocky Mountains, mid- continent, Permian, Texas, Louisiana and Gulf of Mexico; and internationally in Algeria, Tunisia, West Africa and Australia (NYSE: APC).

ASOP is a Houston-based independent oil and gas company focused on the acquisition and exploitation of producing assets domestically and abroad.

Australian-based, operating in Turkey, Australia, and in the Anadarko basin in Oklahoma and Kansas.

Operations in the United States, Canada, Egypt, Western Australia, Argentina, Poland and China.  

Operations focused on Barnett Shale plays in north Texas, and on the Anakarko Basin in Oklahoma.

New Zealand company, operating in the Austral-Pacific region.

Independent oil producer located in southern California. (NYSE: BRY)

Acquiring leases in the southern tier of New York and the northern tier of Pennsylvania with emphasis on the Trenton-Black River natural gas play.

Ohio oil and gas operator.

Operates primarily in California. Also pursuing exploration in Wyoming, Texas, Louisiana and shallow Gulf of Mexico.

Operates in Oklahoma, West Texas and onshore Gulf Coast. Emphasizes use of seismic imaging techniques.