| 1 | Allegheny Enterprises Inc | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2018 |
| 2 | Amer Exploration Co | Plymouth Meeting, PA 19462-1640 | Oil & Gas Operator | Dec 2008 |
| 3 | Anderson Energy SVC LLC | Clarendon, PA 16313-4238 | Oil & Gas Operator | Dec 2025 |
| 4 | Apex Resources Inc | Allison Park, PA 15101-3838 | Oil & Gas Operator | Dec 1993 |
| 5 | Arg Resources Inc | Kane, PA 16735-6405 | Oil & Gas Operator | Dec 2019 |
| 6 | Brawand H William | Wilcox, PA 15870-0373 | Oil & Gas Operator | Dec 2025 |
| 7 | Buhler Michael J | Ridgway, PA 15853-5548 | Gas Operator | Dec 2015 |
| 8 | Bull Run Resources LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2024 |
| 9 | Cameron Energy Co | Sheffield, PA 16347-2642 | Oil & Gas Operator | Dec 2025 |
| 10 | Capital Oil & Gas Inc | Austintown, OH 44515-3033 | Oil & Gas Operator | Dec 2025 |
| 11 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 12 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Dec 2025 |
| 13 | Cedar Valley Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 14 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 15 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2025 |
| 16 | Columbia Natural Res Inc | Charleston, WV 25362-0070 | Gas Operator | Dec 2008 |
| 17 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 18 | Coterra Energy Inc | Coraopolis, PA 15108-9862 | Oil & Gas Operator | Dec 2025 |
| 19 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 20 | Deitz Edith | Clarion, PA 16214-9416 | Oil & Gas Operator | Dec 2009 |
| 21 | Deitz Gas & Oil Inc | Clarion, PA 16214-3215 | Oil & Gas Operator | Dec 2024 |
| 22 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Dec 2025 |
| 23 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Feb 2026 |
| 24 | DL Resources Inc | Ludlow, PA 16333-0039 | Oil & Gas Operator | Dec 2025 |
| 25 | Duhring Resource Co | Sheffield, PA 16347-2642 | Oil & Gas Operator | Dec 2012 |
| 26 | East Resources MGMT LLC | Warrendale, PA 15086-7528 | Oil & Gas Operator | Dec 2010 |
| 27 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 28 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Dec 2025 |
| 29 | Empire Exploration Inc | Wichita, KS 67202 | Oil & Gas Operator | Jul 1997 |
| 30 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 31 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Dec 2025 |
| 32 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 33 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 34 | Farrington & Hepler Gas & Oil Inc | Seneca, PA 16346-0546 | Oil & Gas Operator | Dec 2024 |
| 35 | Feikls Oil & Gas Inc | Eagle, ID 83616-7713 | Oil & Gas Operator | Dec 2025 |
| 36 | Flanigan Bros | Edinboro, PA 16412-1443 | Oil & Gas Operator | Dec 2024 |
| 37 | Hanley & Bird Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2011 |
| 38 | Holden Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 39 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2025 |
| 40 | Hunt Marcellus Opr Co LLC | Wilcox, PA 15870 | Oil & Gas Operator | Jan 2019 |
| 41 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 42 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 43 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 44 | Manufacturers Light & Heat Co | Pittsburgh, PA 15219 | Gas Operator | Dec 1986 |
| 45 | MBS Resources Inc | Wilcox, PA 15870-1810 | Oil & Gas Operator | Dec 2025 |
| 46 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Dec 2025 |
| 47 | Natl Fuel Gas Supply Corp | Williamsville, NY 14221-5887 | Oil & Gas Operator | Dec 2009 |
| 48 | Natural Oil & Gas Corp | Bradford, PA 16701 | Oil & Gas Operator | Dec 2023 |
| 49 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 50 | New York Natural Gas Corp | Pittsburgh, PA 15222-1402 | Gas Operator | Dec 1990 |
| 51 | Pa Gen Energy Co LLC | Warren, PA 16365-2510 | Oil & Gas Operator | Dec 2025 |
| 52 | Pa Gen Energy Corp | Warren, PA 16365-2510 | Oil & Gas Operator | Dec 2002 |
| 53 | Pecora Enterprises | Bradford, PA 16701-1026 | Oil & Gas Operator | Dec 1999 |
| 54 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | Dec 2025 |
| 55 | Pennzoil Prod Co | Vienna, WV 26105-2141 | Oil & Gas Operator | Dec 2000 |
| 56 | Phoenix Energy Prod Inc | Freeport, PA 16229-1126 | Oil & Gas Operator | Dec 2025 |
| 57 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Dec 2025 |
| 58 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | Dec 2025 |
| 59 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Dec 2025 |
| 60 | September Corp | Titusville, PA 16354-6833 | Oil & Gas Operator | Dec 2025 |
| 61 | Sergeant Gas Co Inc | Wilcox, PA 15870-1810 | Oil & Gas Operator | Dec 2024 |
| 62 | Sliverville Oil Co LLC | Bradford, PA 16701-2770 | Oil & Gas Operator | Dec 2025 |
| 63 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2025 |
| 64 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 65 | Susquehanna Energies Inc | Punxsutawney, PA 15767-4004 | Oil & Gas Operator | Dec 2025 |
| 66 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 67 | Titus Energy LLC | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2024 |
| 68 | Vernard L Shumaker | Apollo, PA 15613-0249 | Gas Operator | Dec 2025 |
| 69 | Viking Resources Corp | Deerfield, OH 44411-0160 | Oil & Gas Operator | Dec 2007 |
| 70 | Viking Resources LLC | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2017 |