| 1 | Abarta Oil & Gas Co., Inc. | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2020 |
| 2 | Actagon Corp | Monroeville, PA 15146 | Oil & Gas Operator | Dec 2025 |
| 3 | Add Energy Co | Butler, PA 16002-0471 | Gas Operator | Dec 2020 |
| 4 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 5 | Afco Energy Prod Co | Indiana, PA 15701-0538 | Oil & Gas Operator | Dec 2019 |
| 6 | Alcove Investments | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 7 | Angerman Assoc Inc | Pittsburgh, PA 15238-1359 | Oil & Gas Operator | Dec 1998 |
| 8 | Apollo Gas Co | Pittsburgh, PA 15236-1435 | Gas Operator | Dec 1991 |
| 9 | Apollo Resources LLC | Vintondale, PA 15961-0222 | Oil & Gas Operator | Feb 2026 |
| 10 | Ark Resources Inc | Indiana, PA 15701-0069 | Oil & Gas Operator | Dec 2014 |
| 11 | Armstrong Gas Co LLC | Kittanning, PA 16201-2269 | Oil & Gas Operator | Dec 2018 |
| 12 | Atlas Resources Inc | Coraopolis, PA 15108-0611 | Oil & Gas Operator | Dec 2007 |
| 13 | Atlas Resources LLC | Pittsburgh, PA 15275-1033 | Oil & Gas Operator | Jun 2018 |
| 14 | B & B Oil & Gas Prod Co | Dayton, PA 16222-5722 | Oil & Gas Operator | Dec 2019 |
| 15 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | Mar 2026 |
| 16 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
| 17 | Baron Crest Energy Co | Apollo, PA 15613-8912 | Oil & Gas Operator | Dec 2007 |
| 18 | Baron Group Inc | Indianola, PA 15051-0563 | Oil & Gas Operator | Dec 2020 |
| 19 | Belden & Blake Corporation | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 20 | Benedum Interests | Pittsburgh, PA 15222-1794 | Gas Operator | Dec 2003 |
| 21 | Big Dog Energy LLC | Sewickley, PA 15143-8782 | Gas Operator | Mar 2026 |
| 22 | Bittinger Drilling L A Bittinger Dba | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 23 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 24 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2026 |
| 25 | BMW Energy Inc | Smicksburg, PA 16256-1631 | Gas Operator | Dec 2025 |
| 26 | Boyd & Shriver Inc | Indiana, PA 15701-8944 | Oil & Gas Operator | Dec 2009 |
| 27 | Brawand H William | Wilcox, PA 15870-0373 | Oil & Gas Operator | Dec 2025 |
| 28 | Bright Well Oil & Gas Co | Armagh, PA 15920-0229 | Gas Operator | Dec 2023 |
| 29 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 30 | Burgly Gas & Oil Co Inc | Apollo, PA 15613-0015 | Gas Operator | Dec 2025 |
| 31 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2025 |
| 32 | Caldera Resources LLC | Smicksburg, PA 16256-0055 | Gas Operator | Dec 2025 |
| 33 | Campbell Oil & Gas Inc | Indiana, PA 15701-0278 | Oil & Gas Operator | Mar 2026 |
| 34 | Canton Oil & Gas Co | Pleasantville, PA 16341-1729 | Oil & Gas Operator | Dec 2004 |
| 35 | Carlon Oil & Gas Co Inc | Derby, KS 67037 | Gas Operator | Dec 2025 |
| 36 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 37 | Casella Charles J | Avonmore, PA 15618-1028 | Oil & Gas Operator | Dec 2015 |
| 38 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 39 | Chestnut Ridge Energy Of Pa LLC | Mineral Point, PA 15942-4411 | Gas Operator | Dec 2025 |
| 40 | Christine Marie Exploration LP | Indiana, PA 15701-0515 | Oil & Gas Operator | Dec 2025 |
| 41 | Clifford & Scott McKeever | Clarksburg, PA 15725 | Gas Operator | Dec 2024 |
| 42 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 43 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Mar 2026 |
| 44 | Columbia Gas Trans LLC | Charleston, WV 25325-1273 | Gas Operator | Dec 1987 |
| 45 | Columbia Natural Res Inc | Charleston, WV 25362-0070 | Gas Operator | Dec 2008 |
| 46 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 47 | Coolspring Gas & Oil Co LLC | Coolspring, PA 15730-8524 | Gas Operator | Dec 2025 |
| 48 | Coterra Energy Inc | Coraopolis, PA 15108-9862 | Oil & Gas Operator | Mar 2026 |
| 49 | D & B Gas Prod LLC | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2025 |
| 50 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 51 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 52 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 53 | Dawn Energy SVC | Templeton, PA 16259-3616 | Gas Operator | Dec 2025 |
| 54 | De LTD Family Partnership | Punxsutawney, PA 15767-2646 | Oil & Gas Operator | Dec 2022 |
| 55 | Developed Resources Inc | Cheswick, PA 15024-1351 | Oil & Gas Operator | Dec 2025 |
| 56 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2025 |
| 57 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Mar 2026 |
| 58 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | May 2026 |
| 59 | DL Resources Inc | Ludlow, PA 16333-0039 | Oil & Gas Operator | Dec 2025 |
| 60 | Dorso Energy | Wexford, PA 15090 | Oil & Gas Operator | Dec 2004 |
| 61 | Dorso LLC | Wexford, PA 15090-8758 | Oil & Gas Operator | Dec 2005 |
| 62 | Dorso LP | Wexford, PA 15090-8314 | Oil & Gas Operator | Dec 2024 |
| 63 | East Resources MGMT LLC | Warrendale, PA 15086-7528 | Oil & Gas Operator | Dec 2010 |
| 64 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 65 | Eastern Gas Trans & Storage Inc | Bridgeport, WV 26330-6919 | Oil & Gas Operator | Dec 2025 |
| 66 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 67 | Energy Corp Of Amer | Charleston, WV 25311-1264 | Oil & Gas Operator | Mar 2018 |
| 68 | Energy Production Co | Pittsburgh, PA 15241-3949 | Oil & Gas Operator | Dec 1994 |
| 69 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 70 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 71 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | Mar 2026 |
| 72 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Mar 2026 |
| 73 | Equitable Prod Eastern States Exploration Inc | Snow Shoe, PA 16874-0178 | Gas Operator | Dec 2001 |
| 74 | Equitable Resources Energy Company | Big Stone Gap, VA 24219 | Oil & Gas Operator | Dec 1997 |
| 75 | Equitrans Inc | Cannonsburg, PA 15317 | Oil & Gas Operator | Dec 2018 |
| 76 | Equitrans, L. P. | Cannonsburg, PA 15317 | Oil & Gas Operator | Jul 2021 |
| 77 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Mar 2026 |
| 78 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 79 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2025 |
| 80 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2025 |
| 81 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 82 | Fairman Oil & Gas Co Inc | Oil City, PA 16301 | Oil & Gas Operator | Dec 1991 |
| 83 | Felmont Oil Corporation | Walnut Creek, CA 94596-3568 | Oil & Gas Operator | Feb 1990 |
| 84 | Fetterman Samuel C SR | Rossiter, PA 15772 | Gas Operator | Dec 2025 |
| 85 | Fortress Energy Corp | Pittsburgh, PA 15217-4207 | Oil & Gas Operator | Dec 2023 |
| 86 | G & G Gas Inc | New Bethlehem, PA 16242-4118 | Oil & Gas Operator | Dec 2025 |
| 87 | Gas & Oil Co | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2007 |
| 88 | Gasp Investment LLC | Cherry Tree, PA 15724-7704 | Oil & Gas Operator | Dec 2025 |
| 89 | Georgeanne & Thomas E Beresnyak | Home, PA 15747-6417 | Gas Operator | Dec 2018 |
| 90 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Mar 2026 |
| 91 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 92 | Ha Goal Inc | Indiana, PA 15701-2664 | Oil & Gas Operator | Dec 2018 |
| 93 | Hanley & Bird Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2011 |
| 94 | Harus Inc | Indiana, PA 15701-9401 | Oil & Gas Operator | Dec 2025 |
| 95 | Highpointe Oil & Gas LLC | Indiana, PA 15701-8944 | Gas Operator | Dec 2025 |
| 96 | Home Gas & Oil Co Inc | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 97 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2025 |
| 98 | Igas Corp | Charlottesville, VA 22905-5246 | Gas Operator | Dec 2000 |
| 99 | Inr Opr LLC | Morgantown, WV 26508-9201 | Gas Operator | Mar 2026 |
| 100 | Interstate Gas MKT Inc | Indiana, PA 15701 | Oil & Gas Operator | Dec 2018 |