| 1 | Abarta Oil & Gas Co., Inc. | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2020 |
| 2 | Actagon Corp | | Oil & Gas Operator | Dec 2025 |
| 3 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 4 | Alcove Investments | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 5 | Allegheny Natural Resources Inc | Gibsonia, PA 15044-8055 | Gas Operator | Dec 2019 |
| 6 | Amer Exploration Co | Plymouth Meeting, PA 19462-1640 | Oil & Gas Operator | Dec 2008 |
| 7 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 8 | Ams Energy LLC | Herman, PA 16039-0156 | Oil & Gas Operator | May 2026 |
| 9 | Ancient Sands Inc | Kittanning, PA 16201-0916 | Oil & Gas Operator | Dec 2025 |
| 10 | Angerman Assoc Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 1998 |
| 11 | Apex Energy (Pa) LLC | Canonsburg, PA 15317-6523 | Gas Operator | May 2025 |
| 12 | Apollo Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 13 | Apollo Resources LLC | | Oil & Gas Operator | May 2026 |
| 14 | Appalachian Energy Inc | Pittsburgh, PA 15220 | Gas Operator | Dec 2008 |
| 15 | Ardale Natural Gas LLC | Ford City, PA 16226-7003 | Gas Operator | Dec 2023 |
| 16 | Ark Resources Inc | Indiana, PA 15701-0069 | Oil & Gas Operator | Dec 2014 |
| 17 | Armstrong Gas Co LLC | Kittanning, PA 16201-2269 | Oil & Gas Operator | Dec 2018 |
| 18 | Atlas Resources Inc | Coraopolis, PA 15108-0611 | Oil & Gas Operator | Dec 2007 |
| 19 | Atlas Resources LLC | Pittsburgh, PA 15275-1033 | Oil & Gas Operator | Jun 2018 |
| 20 | B & B Oil & Gas Prod Co | Dayton, PA 16222-5722 | Oil & Gas Operator | Dec 2019 |
| 21 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | May 2026 |
| 22 | Baron Crest Energy Co | Apollo, PA 15613-8912 | Oil & Gas Operator | Dec 2007 |
| 23 | Baron Group Inc | | Oil & Gas Operator | Dec 2020 |
| 24 | Biblical Life Inst | Freeport, PA 16229 | Gas Operator | Dec 2025 |
| 25 | Bittinger Drilling L A Bittinger Dba | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 26 | Blair Raymond L SR | | Oil & Gas Operator | Dec 2025 |
| 27 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | May 2026 |
| 28 | BMW Energy Inc | Smicksburg, PA 16256-1631 | Gas Operator | Dec 2025 |
| 29 | Boyd & Shriver Inc | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2009 |
| 30 | Bright Well Oil & Gas Co | Armagh, PA 15920-0229 | Gas Operator | Dec 2023 |
| 31 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 32 | Burgly Gas & Oil Co Inc | Apollo, PA 15613-0015 | Gas Operator | Dec 2025 |
| 33 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2025 |
| 34 | Calarie Lee J & Lisa A | Rural Valley, PA 16249-4113 | Oil & Gas Operator | Dec 2025 |
| 35 | Campbell Oil & Gas Inc | | Oil & Gas Operator | May 2026 |
| 36 | Carnegie Natural Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 37 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 38 | Casella Charles J | Avonmore, PA 15618-1028 | Oil & Gas Operator | Dec 2015 |
| 39 | Castex Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2026 |
| 40 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |
| 41 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 42 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | May 2026 |
| 43 | Caw Prop LP | Dayton, PA 16222-1624 | Gas Operator | Dec 2025 |
| 44 | Chance Gas & Oil LLC | Clymer, PA 15728-6318 | Gas Operator | Dec 2025 |
| 45 | Chestnut Ridge Energy Of Pa LLC | Mineral Point, PA 15942-4411 | Gas Operator | Dec 2025 |
| 46 | Christine Marie Exploration LP | Indiana, PA 15701-0515 | Oil & Gas Operator | Dec 2025 |
| 47 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 48 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | May 2026 |
| 49 | Cobra Resources LLC | North Jackson, OH 44451 | Oil & Gas Operator | Dec 2025 |
| 50 | Columbia Natural Res Inc | Charleston, WV 25362-0070 | Gas Operator | Dec 2008 |
| 51 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 52 | Coolspring Gas & Oil Co LLC | Coolspring, PA 15730-8524 | Gas Operator | Dec 2025 |
| 53 | Coterra Energy Inc | Coraopolis, PA 15108-9862 | Oil & Gas Operator | May 2026 |
| 54 | D & B Gas Prod LLC | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2025 |
| 55 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 56 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 57 | Dawn Energy SVC | Templeton, PA 16259-3616 | Gas Operator | Dec 2025 |
| 58 | De LTD Family Partnership | Punxsutawney, PA 15767-2646 | Oil & Gas Operator | Dec 2022 |
| 59 | Delta Petro Corp Of Colorado | Houston, TX 77010-3089 | Gas Operator | Dec 2003 |
| 60 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | May 2026 |
| 61 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Aug 2026 |
| 62 | DK Gas Inc | Hawthorn, PA 16230-0228 | Oil & Gas Operator | Dec 2006 |
| 63 | DL Resources Inc | | Oil & Gas Operator | Dec 2025 |
| 64 | Donald E & Janet L Rearick | Ford City, PA 16226-9801 | Gas Operator | Dec 2025 |
| 65 | Dorso Energy | Wexford, PA 15090 | Oil & Gas Operator | Dec 2004 |
| 66 | Dorso LLC | Wexford, PA 15090-8758 | Oil & Gas Operator | Dec 2005 |
| 67 | Dorso LP | Wexford, PA 15090-8314 | Oil & Gas Operator | Dec 2024 |
| 68 | East Resources MGMT LLC | | Oil & Gas Operator | Dec 2010 |
| 69 | East Resources, Inc. | Parkersburg, WV 26101-5519 | Oil & Gas Operator | Dec 2021 |
| 70 | Eastern Amer Energy Corp | Charleston, WV 25304 | Oil & Gas Operator | Mar 2018 |
| 71 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Feb 2025 |
| 72 | Ecm Exploration Inc | Punxsutawney, PA 15767-6601 | Gas Operator | Dec 2025 |
| 73 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2025 |
| 74 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2026 |
| 75 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | May 2026 |
| 76 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | May 2026 |
| 77 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 78 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 79 | Equitrans, L. P. | Canonsburg, PA 15317 | Oil & Gas Operator | Jul 2021 |
| 80 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | May 2026 |
| 81 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 82 | Exotic Oil & Gas LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2025 |
| 83 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2025 |
| 84 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 85 | Fairman Oil & Gas Co Inc | Oil City, PA 16301 | Oil & Gas Operator | Dec 1991 |
| 86 | Farrington & Hepler Gas & Oil Inc | | Oil & Gas Operator | Dec 2025 |
| 87 | Flanigan Bros | Edinboro, PA 16412-1443 | Oil & Gas Operator | Dec 2025 |
| 88 | Fortress Energy Corp | Pittsburgh, PA 15217-4207 | Oil & Gas Operator | Dec 2023 |
| 89 | G & G Gas Inc | New Bethlehem, PA 16242-4118 | Oil & Gas Operator | Dec 2025 |
| 90 | Gas & Oil Co | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2007 |
| 91 | Gass Energy LLC | | Gas Operator | Dec 2025 |
| 92 | Graham Michael D | Oakdale, PA 15071-1088 | Oil & Gas Operator | Dec 2021 |
| 93 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 94 | Greenway Energy LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2025 |
| 95 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | May 2026 |
| 96 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 97 | Ha Goal Inc | Indiana, PA 15701-2664 | Oil & Gas Operator | Dec 2018 |
| 98 | Haddad & Brooks Inc | Washington, PA 15301 | Oil & Gas Operator | Dec 2018 |
| 99 | Hanley & Bird Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2011 |
| 100 | Harus Inc | Indiana, PA 15701-9401 | Oil & Gas Operator | Dec 2025 |