| 1 | Abarta Oil & Gas Co., Inc. | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2020 |
| 2 | Actagon Corp | | Oil & Gas Operator | Dec 2025 |
| 3 | Allegheny Enterprises Inc | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2018 |
| 4 | Alliance Petroleum Corp | Canton, OH 44718-2553 | Oil & Gas Operator | Apr 2026 |
| 5 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 6 | Angerman Assoc Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 1998 |
| 7 | Apollo Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 8 | Apollo Resources LLC | Vintondale, PA 15961-0222 | Oil & Gas Operator | Apr 2026 |
| 9 | Armstrong Gas Co LLC | Kittanning, PA 16201-2269 | Oil & Gas Operator | Dec 2018 |
| 10 | Atlas Resources LLC | Pittsburgh, PA 15275-1033 | Oil & Gas Operator | Jun 2018 |
| 11 | Baron Crest Energy Co | Apollo, PA 15613-8912 | Oil & Gas Operator | Dec 2007 |
| 12 | Bartley Oil & Gas Co LLC | Emlenton, PA 16373 | Oil Operator | Dec 2025 |
| 13 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 14 | Boyd & Shriver Inc | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2009 |
| 15 | Brinker Henry Milton | Delmont, PA 15626-1208 | Oil & Gas Operator | Dec 2020 |
| 16 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2025 |
| 17 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 18 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 19 | Christine Marie Exploration LP | Indiana, PA 15701-0515 | Oil & Gas Operator | Dec 2025 |
| 20 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Apr 2026 |
| 21 | Cobra Resources LLC | North Jackson, OH 44451 | Oil & Gas Operator | Dec 2025 |
| 22 | Columbia Natural Res Inc | Charleston, WV 25362-0070 | Gas Operator | Dec 2008 |
| 23 | Connie J & Ronald L Yeany | Fairmount City, PA 16224-1903 | Gas Operator | Dec 2025 |
| 24 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 25 | D N Stover Inc | Knox, PA 16232-0810 | Oil & Gas Operator | Dec 2015 |
| 26 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 27 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 28 | Deitz Edith | Clarion, PA 16214-9416 | Oil & Gas Operator | Dec 2009 |
| 29 | Deitz Gas & Oil Inc | Clarion, PA 16214-3215 | Oil & Gas Operator | Dec 2024 |
| 30 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2025 |
| 31 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Apr 2026 |
| 32 | DK Gas Inc | Hawthorn, PA 16230-0228 | Oil & Gas Operator | Dec 2006 |
| 33 | DL Resources Inc | | Oil & Gas Operator | Dec 2025 |
| 34 | Ecm Exploration Inc | Punxsutawney, PA 15767-6601 | Gas Operator | Dec 2025 |
| 35 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2025 |
| 36 | Empire Exploration Inc | Wichita, KS 67202 | Oil & Gas Operator | Jul 1997 |
| 37 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 38 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Apr 2026 |
| 39 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 40 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 41 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Apr 2026 |
| 42 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 43 | Exley Oil & Gas Corp | | Oil & Gas Operator | Dec 2019 |
| 44 | Exotic Oil & Gas LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2025 |
| 45 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2025 |
| 46 | Forrest Richard E | New Bethlehem, PA 16242-2547 | Gas Operator | Dec 2019 |
| 47 | Frederick Drilling Co & Sons Inc | Tylersburg, PA 16361-0066 | Oil & Gas Operator | Dec 2025 |
| 48 | G & G Gas Inc | New Bethlehem, PA 16242-4118 | Oil & Gas Operator | Dec 2025 |
| 49 | Gass Energy LLC | | Gas Operator | Dec 2025 |
| 50 | Greenway Energy LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2025 |
| 51 | Hahn Kahle E | Knox, PA 16232-4311 | Oil & Gas Operator | Dec 2003 |
| 52 | Hanley & Bird Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2011 |
| 53 | Highpointe Oil & Gas LLC | Indiana, PA 15701-8944 | Gas Operator | Dec 2025 |
| 54 | Hollobaugh Paul A | | Gas Operator | Dec 2025 |
| 55 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2025 |
| 56 | Interstate Gas MKT Inc | Indiana, PA 15701 | Oil & Gas Operator | Dec 2018 |
| 57 | John L Crawford Inc | New Bethlehem, PA 16242-2113 | Oil & Gas Operator | Dec 2025 |
| 58 | Keck Timothy A | Summerville, PA 15864-6301 | Gas Operator | Dec 2014 |
| 59 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 60 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 61 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 62 | KSM Energy Inc | Pittsburgh, PA 15238-3156 | Gas Operator | Dec 2025 |
| 63 | L & H Energy Co Inc | Knox, PA 16232-4874 | Oil & Gas Operator | Dec 2025 |
| 64 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Apr 2026 |
| 65 | Maple Grove Enterprises Inc | | Oil & Gas Operator | Dec 2025 |
| 66 | Maxwell Bros | Clarion, PA 16214-7446 | Oil & Gas Operator | Dec 2025 |
| 67 | Mays Coal Co | | Gas Operator | Dec 2003 |
| 68 | Mays Gas & Coal Co | Clarion, PA 16214-0447 | Oil & Gas Operator | Dec 2025 |
| 69 | McCall Carl E | Fairmount City, PA 16224 | Oil & Gas Operator | Dec 2025 |
| 70 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Apr 2026 |
| 71 | MDS Energy Dev LLC | Kittanning, PA 16201-4403 | Oil & Gas Operator | Apr 2026 |
| 72 | MDS Energy LTD | Kittanning, PA 16201-4403 | Gas Operator | Feb 2015 |
| 73 | MT Savage Refractories | Pittsburgh, PA 15206-0171 | Gas Operator | Dec 2021 |
| 74 | MTN V Oil & Gas Inc | | Oil & Gas Operator | Apr 2026 |
| 75 | Murphy Prod Inc | Vanderbilt, PA 15486-1001 | Oil & Gas Operator | Dec 2025 |
| 76 | Natl Fuel Gas Supply Corp | Williamsville, NY 14221-5887 | Oil & Gas Operator | Dec 2009 |
| 77 | North Penn Gas Co | | Gas Operator | Dec 2000 |
| 78 | Northeast Natural Energy LLC | Charleston, WV 25301-2719 | Oil & Gas Operator | Apr 2026 |
| 79 | Northwestern Inc | East Brady, PA 16028 | Gas Operator | Dec 2012 |
| 80 | Old MTN Gas Co Inc | Pleasantville, PA 16341-0329 | Oil & Gas Operator | Dec 2020 |
| 81 | Pa Gen Energy Co LLC | Warren, PA 16365-2510 | Oil & Gas Operator | Apr 2026 |
| 82 | Pa Mineral SVCS LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2025 |
| 83 | Patrick Shipley | Indiana, PA 15701-6501 | Oil & Gas Operator | Dec 2016 |
| 84 | Patriot Exploration Corp | Stahlstown, PA 15687-1301 | Oil & Gas Operator | Dec 2025 |
| 85 | PDC Mountaineer LLC | Wexford, PA 15090-3400 | Oil & Gas Operator | Dec 2017 |
| 86 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2025 |
| 87 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 88 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Apr 2026 |
| 89 | Petro Dev Corp | Bridgeport, WV 26330-0026 | Oil & Gas Operator | Dec 2013 |
| 90 | Pine City Gas LLC | Lucinda, PA 16235-0060 | Oil & Gas Operator | Dec 2025 |
| 91 | Powder Mill Gas Co | New Bethlehem, PA 16242-2252 | Oil & Gas Operator | Dec 2025 |
| 92 | Power Gas MKT & Trans Inc | Akron, OH 44311-1062 | Oil & Gas Operator | Dec 2008 |
| 93 | R B Robertson & Son Gas & Oil Co LP | New Bethlehem, PA 16242-0190 | Oil & Gas Operator | Dec 2024 |
| 94 | Reichard Equip Co | New Bethlehem, PA 16242-1936 | Gas Operator | Dec 2021 |
| 95 | Ridgeview Gas & Oil Inc | Templeton, PA 16259-4505 | Oil & Gas Operator | Dec 2025 |
| 96 | Ridgeview Gas Co | Templeton, PA 16259-4505 | Oil & Gas Operator | Dec 2010 |
| 97 | Ronald L Nick | Lucinda, PA 16235-3006 | Gas Operator | Dec 2025 |
| 98 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | Apr 2026 |
| 99 | Schrecengost Fred M | Sligo, PA 16255-0216 | Oil & Gas Operator | Dec 2016 |
| 100 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Apr 2026 |