| 1 | Actagon Corp | Monroeville, PA 15146 | Oil & Gas Operator | Dec 2025 |
| 2 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 3 | Alma E & John Kondus | Venice, FL 34285-7001 | Oil & Gas Operator | Dec 2009 |
| 4 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 5 | Angerman Assoc Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 1998 |
| 6 | Apollo Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 7 | Apollo Resources LLC | Vintondale, PA 15961-0222 | Oil & Gas Operator | Dec 2025 |
| 8 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | Dec 2025 |
| 9 | Baron Group Inc | Indianola, PA 15051-0563 | Oil & Gas Operator | Dec 2020 |
| 10 | Bittinger Drilling L A Bittinger Dba | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 11 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 12 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2025 |
| 13 | Campbell Dale H | McKeesport, PA 15135-3307 | Gas Operator | Dec 2017 |
| 14 | Carnegie Natural Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 15 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 16 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2025 |
| 17 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 18 | D & B Gas Prod LLC | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2025 |
| 19 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 20 | Developed Resources Inc | Cheswick, PA 15024-1351 | Oil & Gas Operator | Dec 2025 |
| 21 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 22 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Feb 2026 |
| 23 | Dorso LLC | Wexford, PA 15090-8758 | Oil & Gas Operator | Dec 2005 |
| 24 | Dorso LP | Wexford, PA 15090-8314 | Oil & Gas Operator | Dec 2024 |
| 25 | Duhring Resource Co | Sheffield, PA 16347-2642 | Oil & Gas Operator | Dec 2012 |
| 26 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 27 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 28 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Dec 2025 |
| 29 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 30 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 31 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 32 | Equitrans, L. P. | Cannonsburg, PA 15317 | Oil & Gas Operator | Jul 2021 |
| 33 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Dec 2025 |
| 34 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 35 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2025 |
| 36 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2025 |
| 37 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 38 | Frank L Washabaugh Oil Producers | Imperial, PA 15126-1050 | Oil & Gas Operator | Dec 2010 |
| 39 | Graham Michael D | Oakdale, PA 15071-1088 | Oil & Gas Operator | Dec 2021 |
| 40 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 41 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 42 | Hayden Harper Energy Ka, LLC | Charlotte, NC 28203-4173 | Oil & Gas Operator | Dec 2021 |
| 43 | Heath 91 Cluster LP | Commodore, PA 15729-9109 | Gas Operator | Dec 2025 |
| 44 | Herman Riemer Gas Co | Sarver, PA 16055-8507 | Oil & Gas Operator | Dec 2016 |
| 45 | Huntley & Huntley Inc | Monroeville, PA 15146-2302 | Oil & Gas Operator | Dec 2019 |
| 46 | Indian Hill Gas Co Inc | Fayette City, PA 15438-1203 | Oil & Gas Operator | Dec 2025 |
| 47 | Interstate Gas MKT Inc | Indiana, PA 15701 | Oil & Gas Operator | Dec 2018 |
| 48 | Jack Co | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2013 |
| 49 | Jack Production Inc | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2011 |
| 50 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Dec 2025 |
| 51 | Keystone Resources Inc | Cranberry Township, PA 16066-6446 | Gas Operator | Dec 1992 |
| 52 | Kriebel Acquisition Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 53 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 54 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 55 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 56 | Marco Drilling Inc | Monroeville, PA 15146-0278 | Oil & Gas Operator | Dec 2024 |
| 57 | MTN V Oil & Gas Inc | Indiana, PA 15701-8914 | Oil & Gas Operator | Dec 2025 |
| 58 | Mutig Energies Inc | Sarver, PA 15055 | Oil & Gas Operator | Dec 2023 |
| 59 | Natural Energy Dev Corp | Pittsburgh, PA 15241-1548 | Oil & Gas Operator | Dec 2018 |
| 60 | New Century Energy Inc | MC Donald, PA 15057-2163 | Oil & Gas Operator | Dec 2021 |
| 61 | Oakmont CC | Oakmont, PA 15139-1135 | Gas Operator | Dec 2024 |
| 62 | Oil & Gas MGMT Inc | Mount Pleasant, PA 15666-3304 | Oil & Gas Operator | Dec 2024 |
| 63 | Oil & Gas SVC Inc | Reelsville, IN 46171-9686 | Gas Operator | Dec 1991 |
| 64 | Olympus Energy, LLC | Canonsburg, PA 15317-7536 | Gas Operator | Jun 2025 |
| 65 | Onexxx Prod & Exploration Corp | Jeannette, PA 15644-9691 | Gas Operator | Dec 2025 |
| 66 | Pa Mineral SVCS LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2025 |
| 67 | Parker & Parsley Dev LP | Irving, TX 75039-3745 | Oil & Gas Operator | Mar 2015 |
| 68 | Patriot Exploration Corp | Stahlstown, PA 15687-1301 | Oil & Gas Operator | Dec 2025 |
| 69 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 70 | Peoples Gas Co LLC | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2005 |
| 71 | Peoples Natural Gas Co LLC | Pittsburgh, PA 15212 | Gas Operator | Dec 2016 |
| 72 | Petro SVC Partners Inc | Indiana, PA 15701-8556 | Oil & Gas Operator | Dec 2025 |
| 73 | Phillips Exploration Inc | Warrendale, PA 15086 | Oil & Gas Operator | Dec 2012 |
| 74 | Power Gas MKT & Trans Inc | Akron, OH 44311-1062 | Oil & Gas Operator | Dec 2008 |
| 75 | Quaker State Corporation | Houston, TX 77002-2806 | Oil & Gas Operator | Dec 2013 |
| 76 | R Harris Gas & Oil Inc | Apollo, PA 15613-9636 | Oil & Gas Operator | Dec 2025 |
| 77 | Range Opr Co | Yatesboro, PA 16263-0235 | Oil & Gas Operator | Dec 1999 |
| 78 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2025 |
| 79 | Redmill Drilling | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2025 |
| 80 | Rejiss Assoc | Braddock, PA 15104-1948 | Oil & Gas Operator | Dec 2009 |
| 81 | Rejiss Assoc Holdings LLC | Braddock, PA 15104-1948 | Gas Operator | Dec 2025 |
| 82 | RJ Schreiner SR | Freedom, PA 15042-9353 | Oil & Gas Operator | Dec 2015 |
| 83 | Rocksauce Opr LLC | Canonsburg, PA 15317-3906 | Oil & Gas Operator | Dec 2025 |
| 84 | Schneider Edward H | Bridgeville, PA 15017-2165 | Gas Operator | Dec 2025 |
| 85 | SK Opr Inc | Cabot, PA 16023-1250 | Gas Operator | Dec 2025 |
| 86 | Sme Well SVC Inc | Herman, PA 16039-0156 | Oil & Gas Operator | Dec 2024 |
| 87 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2025 |
| 88 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 89 | Stonewall Gas Co | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 1999 |
| 90 | Tevebaugh MGMT Co | Baden, PA 15005-0123 | Oil & Gas Operator | Dec 2002 |
| 91 | Tomson Theodore A | Brackenridge, PA 15014 | Gas Operator | Dec 2025 |
| 92 | Turm Oil Inc | Butler, PA 16002-0471 | Oil & Gas Operator | Dec 2025 |
| 93 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |
| 94 | Vec Energy LLC | Kittanning, PA 16201-5022 | Oil & Gas Operator | Dec 2025 |
| 95 | Vernard L Shumaker | Apollo, PA 15613-0249 | Gas Operator | Dec 2025 |
| 96 | Washington Energy Co LLC | Canonsburg, PA 15317-0400 | Oil & Gas Operator | Dec 2024 |
| 97 | Whiteford Joseph B | Verona, PA 15147-2726 | Oil & Gas Operator | Dec 2007 |
| 98 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |