| 1 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 2 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 3 | Apollo Resources LLC | Vintondale, PA 15961-0222 | Oil & Gas Operator | Jan 2025 |
| 4 | Appalachian Exploration Corp | McMurray, PA 15317-3452 | Gas Operator | Dec 1995 |
| 5 | Burgly Gas & Oil Co Inc | Apollo, PA 15613-0015 | Gas Operator | Dec 2024 |
| 6 | Burskey David M | Carrolltown, PA 15722-0480 | Oil & Gas Operator | Dec 2024 |
| 7 | Campbell Oil & Gas Inc | Indiana, PA 15701-0278 | Oil & Gas Operator | Feb 2025 |
| 8 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |
| 9 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 10 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 11 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Feb 2025 |
| 12 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 13 | Coterra Energy Inc | Pittsburgh, PA 15275-1121 | Oil & Gas Operator | Feb 2025 |
| 14 | Cottonwood Prod Co Inc | Buffalo, NY 14202-2212 | Gas Operator | Dec 2002 |
| 15 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2024 |
| 16 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 17 | Dawn Energy SVC | Templeton, PA 16259-3616 | Gas Operator | Dec 2024 |
| 18 | Delta Petro Corp Of Colorado | Houston, TX 77010-3089 | Gas Operator | Dec 2003 |
| 19 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Feb 2025 |
| 20 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2025 |
| 21 | Dorso Energy | Wexford, PA 15090 | Oil & Gas Operator | Dec 2004 |
| 22 | Dorso LLC | Wexford, PA 15090-8758 | Oil & Gas Operator | Dec 2005 |
| 23 | Dorso LP | Wexford, PA 15090-8314 | Oil & Gas Operator | Dec 2024 |
| 24 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Feb 2025 |
| 25 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 26 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 27 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | Feb 2025 |
| 28 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 29 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2024 |
| 30 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 31 | Fairman Oil & Gas Co Inc | Oil City, PA 16301 | Oil & Gas Operator | Dec 1991 |
| 32 | Farabaugh Arthur R & John A | Loretto, PA 15940-8001 | Gas Operator | Dec 2015 |
| 33 | Gasp Investment LLC | Cherry Tree, PA 15724-7704 | Oil & Gas Operator | Dec 2024 |
| 34 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Feb 2025 |
| 35 | Highpointe Oil & Gas LLC | Indiana, PA 15701-8944 | Gas Operator | Dec 2024 |
| 36 | Interstate Gas MKT Inc | Indiana, PA 15701 | Oil & Gas Operator | Dec 2018 |
| 37 | John F McConnell | Ebensburg, PA 15931-5408 | Gas Operator | Dec 2023 |
| 38 | Lahd Energy Inc | Canton, OH 44709 | Gas Operator | Dec 2009 |
| 39 | Linn Opr Inc | Indiana, PA 15701-8914 | Oil & Gas Operator | Dec 2007 |
| 40 | Linn Opr LLC | Indiana, PA 15701-8914 | Gas Operator | Dec 2004 |
| 41 | MTN V Oil & Gas Inc | Indiana, PA 15701-8914 | Oil & Gas Operator | Dec 2024 |
| 42 | Murphy Prod Inc | Vanderbilt, PA 15486-1001 | Oil & Gas Operator | Dec 2024 |
| 43 | North East Gas & Oil Co | Scottsville, VA 24590-3962 | Oil & Gas Operator | Dec 2013 |
| 44 | Northeast Natural Energy LLC | Charleston, WV 25301-2719 | Oil & Gas Operator | Feb 2025 |
| 45 | NTS Energy LLC | Indiana, PA 15701-1801 | Oil & Gas Operator | Dec 2015 |
| 46 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 47 | Oil & Gas MGMT Inc | Mount Pleasant, PA 15666-3304 | Oil & Gas Operator | Dec 2024 |
| 48 | Pa Mineral SVCS LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2024 |
| 49 | Patriot Exploration Corp | Stahlstown, PA 15687-1301 | Oil & Gas Operator | Dec 2024 |
| 50 | PDC Mountaineer LLC | Bridgeport, WV 26330-9665 | Oil & Gas Operator | Dec 2017 |
| 51 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Dec 2024 |
| 52 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2024 |
| 53 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 54 | Petro Dev Corp | Bridgeport, WV 26330-0026 | Oil & Gas Operator | Dec 2013 |
| 55 | Phillips Exploration Inc | Warrendale, PA 15086 | Oil & Gas Operator | Dec 2012 |
| 56 | Power Gas MKT & Trans Inc | Akron, OH 44311-1062 | Oil & Gas Operator | Dec 2008 |
| 57 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2023 |
| 58 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Feb 2025 |
| 59 | Stephenson Group Natural Gas Co | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2020 |
| 60 | Susquehanna Expl & Prod LLC | Glen Campbell, PA 15742-0159 | Gas Operator | Dec 2024 |
| 61 | T & F Exploration, LP | Pittsburgh, PA 15241-1375 | Oil & Gas Operator | Oct 2024 |
| 62 | Texas Keystone Inc | Oakmont, PA 15139-2072 | Oil & Gas Operator | Nov 2017 |
| 63 | Vec Energy LLC | Kittanning, PA 16201-5022 | Oil & Gas Operator | Feb 2025 |
| 64 | Vernard L Shumaker | Apollo, PA 15613-0249 | Gas Operator | Dec 2024 |
| 65 | Vessels Coal Gas Inc | Denver, CO 80202-3539 | Gas Operator | Dec 2019 |
| 66 | Victory Energy Corp | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2021 |
| 67 | WHC Oper LLC | Commodore, PA 15729-9109 | Gas Operator | Dec 2024 |
| 68 | William McIntire Coal Oil & Gas | Shelocta, PA 15774-0171 | Oil & Gas Operator | May 2022 |
| 69 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2025 |