| Alexander Production Company |
309698 |
| Alliance Petroleum Corporation |
494506333 |
| Arp Mountaineer Production, LLC |
494509804 |
| Base Petroleum, Inc. |
305961 |
| BG Production, LLC |
494469854 |
| CNX Gas Company LLC |
494458046 |
| Consol Gas Company |
494495754 |
| D. C. Malcolm, Inc. |
307818 |
| D. G. Haney, Inc. |
307437 |
| Eagle Energy, Inc. |
494509693 |
| Energy Development Corporation |
307233 |
| Eqt Production Company |
306686 |
| K. Petroleum, Inc. |
306574 |
| Maranatha Energy Corporation |
310255 |
| Nytis Exploration Company LLC |
494473563 |
| Pillar Energy, LLC |
494495012 |
| PMJ, Inc. |
310026 |
| R & B Petroleum, Inc. |
308240 |
| Ross And Wharton Gas Company, Inc. |
306580 |
| R & R Oil And Gas, LLC |
494508116 |
| SCD Oil Operators & Drilling Inc |
494513493 |
| Sigma Corporation |
306472 |
| SWV Energy Operating LLC |
494513426 |
| T & F Exploration, LP |
494460896 |
| XTO Energy, Inc. |
494487940 |