American International Petroleum Corporation
Explores for, develops, produces, refines and markets oil and natural gas. (Nasdaq: AIPN)
Apache Corporation
Operations in the United States, Canada, Egypt, Western Australia, Argentina, Poland and China. Â
Black Diamond Energy, Inc.
Driller and developer of Coal Bed Methane in the Powder River Basin in Northeastern Wyoming.
Black River Royalties, Ltd.
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.
BreitBurn Energy
Operates primarily in California. Also pursuing exploration in Wyoming, Texas, Louisiana and shallow Gulf of Mexico.
Brigham Exploration Company
Operates in Oklahoma, West Texas and onshore Gulf Coast. Emphasizes use of seismic imaging techniques.
Burlington Resources
Operating in Canada, mid-continent, San Juan basin, Algeria, China, East Irish Sea, and in Latin America.
Cabot Oil & Gas Corporation
Operating in the onshore Texas and Louisiana Gulf Coast, Rocky Mountains, Appalachia and Mid-Continent.
Canada Southern Petroleum, Ltd.
Calgary-based exploration company, operating in several western provinces, the Yukon and Northwest Territories and Canada's Arctic Islands.
Century Exploration Company
Exploration and production in Gulf of Mexico, South Louisiana, Mississippi and Texas. Company has a concession in the Dutch North Sea.
Comstock Resources, Inc.
Operating in Texas, Louisiana, and the Gulf of Mexico.
Continental Energy Corporation
A small independent operator concentrating on Indonesian concessions which total 3.7 million acres.
Cyrus Oil and Gas Company
Operating in west and central Texas, Alabama, and in central California.
D and L Energy, Inc.
Oil and gas exploration, development and marketing in Ohio and Pennsylvania.
Dave Easom Production Company, Inc.
Exploration and Production operations and consulting in SW Mississippi and N. Central Louisiana.
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