Rank | Name |
---|---|
1 | Chesapeake Energy Natural gas producer |
2 | Talisman Energy Inc. Oil and gas company |
3 | Cabot Oil & Gas Corporation |
4 | Range Resources Corporation Oil & gas driller |
5 | EQT Corporation Pittsburgh-based oil and gas driller |
6 | Anadarko Petroleum Corporation Independent oil and gas producer |
7 | Royal Dutch Shell Global oil and gas corp |
8 | Seneca Resources Corporation E&P subsidiary of National Fuel Gas Company |
9 | Southwestern Energy Shale gas development company |
10 | Chevron Energy Company |
11 | CNX Gas Corporation Consol Energy natural gas unit |
12 | EOG Resources Formerly Enron; produces crude oil and natural gas. Revenues are $16 billion. |
13 | Energy Corporation of America |
14 | EXCO Resources Company engaged in exploration, and production of onshore U.S. oil and natural gas properties |
15 | XTO Energy Inc. Crude Petroleum and Natural Gas; sold to Exxon in 2009 |
16 | Atlas Resources LLC |
17 | Citrus Energy Corporation |
18 | Ultra Resources |
19 | Phillips Exploration Inc. |
20 | Pennsylvania General Energy Company LLC |
21 | WPX Energy Inc. Oil and natural gas exploration and production subsidiary of Williams Cos. Inc. |
22 | Chief Oil & Gas LLC Privately held, independent oil & gas company |
23 | Rex Energy Operating Corporation |
24 | Rice Drilling |
25 | Novus Operating LLC |
26 | Consol Energy American coal and gas energy company |
27 | Antero Resources Oil & gas company |
28 | Alpha Shale Resources |
29 | Vantage Energy |
30 | Snyder Bros |