Oil and Gas Producers at the Forefront of Appalachia Basin's Oil & Gas Production
Leading E&P Operators in the Appalachia Basin
Ranking Methodology: Operators are ranked by total gas production in the Appalachia Basin during November 2025, based on data available through Novi Insights. Rankings reflect production volumes reported for that month and may change over time as new production data becomes available.
| Operator | Location | Founded (year) | Founders | Revenue |
|---|---|---|---|---|
| Encino Energy | Houston, Texas | 2011 | Hardy Murchison | <$36M |
| Southwestern Energy | Spring, Texas | 1929 | Unknown | <$6.522B |
| Ascent Resources | Oklahoma City, Oklahoma | 2018 | John Raymond | <$319.6M |
| Antero Resources | Denver, Colorado | 2002 | Paul Rady & Glen Warren | <$4.682B |
| EQT | Pittsburgh, Pennsylvania | 1994 | Michael & Obediah Haymaker | <$6.909B |
| Range Resources | Fort Worth, Texas | 1976 | Rand Michaels | <$715M |
| Utica Resources | Unknown | 2010 | Unknown | <$5M |
| EAV Operator | Unknown | Unknown | Unknown | Unknown |
| EOG | Houston, Texas | 1999 | Mark G. Papa | <$6B |
| Infinity Natural Resources | Morgantown, West Virginia | 2017 | Unknown | <$5M |
| Jay-Bee Oil & Gas | Ellenboro, West Virginia | 1982 | Unknown | <$5.1M |
| PennEnergy Resources | Pittsburgh, Pennsylvania | 2011 | Richard D. Weber & Gregory D. Muse | <$108M |
| Gulfport Energy | Oklahoma City, Oklahoma | 1997 | Unknown | <$809M |
| CNX Resources | Canonsburg, Pennsylvania | Unknown | Unknown | <$3.47B |
| LOLA Energy | Canonsburg, Pennsylvania | 2015 | James "Jim" A. Coleman | <$5.3M |