| 1 | Advanced Petro Corp | Hamburg, NY 14075-5003 | Oil & Gas Operator | Dec 1992 |
| 2 | Airdale Oil & Gas LLC | Oil City, PA 16301-3771 | Oil & Gas Operator | Dec 2025 |
| 3 | Allegheny Enterprises Inc | Corsica, PA 15829-3833 | Oil & Gas Operator | Dec 2018 |
| 4 | Allshouse Terrence L Jr | Grand Valley, PA 16420-1930 | Oil & Gas Operator | Dec 2025 |
| 5 | Amer Natural Resources LLC | Rural Valley, PA 16249-0306 | Oil & Gas Operator | Dec 2018 |
| 6 | Anderson Energy SVC LLC | Clarendon, PA 16313-4238 | Oil & Gas Operator | Dec 2025 |
| 7 | Apex Resources Inc | Allison Park, PA 15101-3838 | Oil & Gas Operator | Dec 1993 |
| 8 | Ardent Resources, Inc. | Upper St Clair, PA 15241-1633 | Oil & Gas Operator | Dec 2018 |
| 9 | Atlas Resources Inc | Coraopolis, PA 15108-0611 | Oil & Gas Operator | Dec 2007 |
| 10 | Atlas Resources LLC | Pittsburgh, PA 15275-1033 | Oil & Gas Operator | Jun 2018 |
| 11 | Bartley Oil & Gas Co LLC | Emlenton, PA 16373 | Oil Operator | Dec 2025 |
| 12 | Beck James L | Pleasantville, PA 16341-2718 | Oil Operator | Dec 2004 |
| 13 | Belden & Blake Corporation | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 14 | Best John B | Franklin, PA 16323-8115 | Oil & Gas Operator | Dec 2018 |
| 15 | Bittinger Drilling L A Bittinger Dba | Apollo, PA 15613-9720 | Oil & Gas Operator | Dec 2025 |
| 16 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 17 | Burkland William S | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2010 |
| 18 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Feb 2026 |
| 19 | Coastal Petro Corp | Oil City, PA 16301-6327 | Oil & Gas Operator | Jul 2018 |
| 20 | Cobra Resources LLC | N Jackson, OH 44451 | Oil & Gas Operator | Dec 2025 |
| 21 | Coterra Energy Inc | Coraopolis, PA 15108-9862 | Oil & Gas Operator | Feb 2026 |
| 22 | Cougar Energy Inc | Oil City, PA 16301-4046 | Oil & Gas Operator | Dec 2013 |
| 23 | D & S Energy Corp | Tiona, PA 16352-0102 | Oil & Gas Operator | Dec 2018 |
| 24 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 25 | David Lesher Dba Lesher Oil | Reno, PA 16343-0293 | Oil Operator | Dec 2006 |
| 26 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 27 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Feb 2026 |
| 28 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2026 |
| 29 | Douglas Oil & Gas Inc | Canonsburg, PA 15317 | Gas Operator | Dec 2003 |
| 30 | Douglas Oil & Gas LP | State College, PA 16803 | Oil & Gas Operator | Dec 2007 |
| 31 | Eagle Line Corp | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2015 |
| 32 | East Resources MGMT LLC | Warrendale, PA 15086-7528 | Oil & Gas Operator | Dec 2010 |
| 33 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 34 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2025 |
| 35 | Energy Resources Of Amer Inc | Columbiana, OH 44408 | Oil & Gas Operator | Dec 2021 |
| 36 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 37 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | Feb 2026 |
| 38 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 39 | Exley Oil & Gas Corp | Lemont, PA 16851-0425 | Oil & Gas Operator | Dec 2019 |
| 40 | Farrington & Hepler Gas & Oil Inc | Seneca, PA 16346-0546 | Oil & Gas Operator | Dec 2025 |
| 41 | Frederick Drilling Co & Sons Inc | Tylersburg, PA 16361-0066 | Oil & Gas Operator | Dec 2017 |
| 42 | Glenn D Gavin & John R Gavin III | Reno, PA 16343-0293 | Oil Operator | Dec 2025 |
| 43 | Halcon Opr Co Inc | Houston, TX 77002-5005 | Oil & Gas Operator | Jul 2017 |
| 44 | Harmony Oil & Gas Co Inc | Reno, NV 89509 | Oil Operator | Dec 1994 |
| 45 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2025 |
| 46 | Imod Oil Prod LLC | Pleasantville, PA 16341-0149 | Oil & Gas Operator | Dec 2009 |
| 47 | JMG Energy LLC | Cochranton, PA 16314 | Oil & Gas Operator | Dec 2025 |
| 48 | Kavouras Thomas | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2023 |
| 49 | KCS Energy Inc | Warren, PA 16365-0187 | Oil & Gas Operator | Dec 2025 |
| 50 | Lendrum Energy LLC | Cranberry, PA 16319-4009 | Oil & Gas Operator | Dec 2025 |
| 51 | LT Oil Co LLC | Pleasantville, PA 16341-0144 | Oil Operator | Dec 2025 |
| 52 | Manx Inc | Pleasantville, PA 16341-1229 | Oil Operator | Dec 2020 |
| 53 | Mark Resources Corp | Pittsburgh, PA 15276 | Oil & Gas Operator | Dec 1993 |
| 54 | Mat Oil & Gas Exploration Inc | Indiana, PA 15701-8931 | Gas Operator | Dec 1993 |
| 55 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Jan 2026 |
| 56 | Missing Moon Oil Inc | Knox, PA 16232-4507 | Oil & Gas Operator | Dec 2025 |
| 57 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 58 | North Amer Oil & Gas Drilling Co Inc | Pleasantville, PA 16341-0197 | Oil Operator | Dec 1999 |
| 59 | NTS Energy LLC | Indiana, PA 15701-1801 | Oil & Gas Operator | Dec 2015 |
| 60 | Oil Creek Operators LLC | Franklin, PA 16323 | Oil Operator | Dec 2025 |
| 61 | Old MTN Gas Co Inc | Pleasantville, PA 16341-0329 | Oil & Gas Operator | Dec 2020 |
| 62 | Open Flow Gas Supply Corp | Du Bois, PA 15801-2442 | Oil & Gas Operator | Dec 2025 |
| 63 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 64 | Ows Energy LLC | Carlton, PA 16311-1605 | Oil & Gas Operator | Feb 2026 |
| 65 | Pa Gen Energy Corp | Warren, PA 16365-2510 | Oil & Gas Operator | Dec 2002 |
| 66 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2025 |
| 67 | Pennfield Energy LLC | Erie, PA 16510-4760 | Oil & Gas Operator | Dec 2021 |
| 68 | Pennzoil Prod Co | Vienna, WV 26105-2141 | Oil & Gas Operator | Dec 2000 |
| 69 | Pin Oak Energy Partners LLC | Akron, OH 44311 | Oil & Gas Operator | Feb 2026 |
| 70 | Quaker State Corporation | Houston, TX 77002-2806 | Oil & Gas Operator | Dec 2013 |
| 71 | Range Opr Co | Yatesboro, PA 16263-0235 | Oil & Gas Operator | Dec 1999 |
| 72 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Feb 2026 |
| 73 | Re Gas Dev LLC | State College, PA 16801-7085 | Oil & Gas Operator | Sep 2018 |
| 74 | Red Valley Resources LLC | McCordsville, IN 46055-0294 | Oil Operator | Dec 2015 |
| 75 | Rensma Steven E | Titusville, PA 16354-5304 | Oil Operator | Dec 1993 |
| 76 | Return Oil Corp | Oil City, PA 16301-0564 | Oil Operator | Dec 1992 |
| 77 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 78 | Rhoades Oil Co | Tulsa, OK 74136-5575 | Oil & Gas Operator | Aug 2013 |
| 79 | River Ridge Gravel Co | Meadville, PA 16335-9149 | Oil Operator | Dec 2025 |
| 80 | Rock Oil Resources LLC | Titusville, PA 16354 | Oil Operator | Dec 2025 |
| 81 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | Feb 2026 |
| 82 | S & T SVC & Supply Inc | Pleasantville, PA 16341-2817 | Oil & Gas Operator | Dec 2025 |
| 83 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Feb 2026 |
| 84 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 85 | Stone Ridge Energy LLC | Uniontown, PA 15401-6831 | Oil & Gas Operator | Feb 2026 |
| 86 | Stonehaven Energy MGT Co LLC | Clearfield, PA 16830-7342 | Oil & Gas Operator | Dec 2019 |
| 87 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 88 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Apr 2026 |
| 89 | The Production Co | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2012 |
| 90 | The Production Co LLC | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2020 |
| 91 | Timberline Energy Inc | Franklin, PA 16323-0269 | Oil & Gas Operator | Dec 2025 |
| 92 | Titusville Oil & Gas Assoc Inc | Pleasantville, PA 16341-1705 | Oil Operator | Dec 2025 |
| 93 | Trimont Energy LLC | Pittsburgh, PA 15211-1205 | Oil & Gas Operator | Dec 2016 |
| 94 | Uscan Oil Inc | Oil City, PA 16301-1412 | Oil & Gas Operator | Dec 1991 |
| 95 | Van Hampton Gas & Oil Co Inc | Pleasantville, PA 16341-0329 | Gas Operator | Dec 2020 |
| 96 | Venango Energy Partners Inc | Pittsburgh, PA 15211-0134 | Oil Operator | Dec 2025 |
| 97 | Vista Opr Inc | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2024 |
| 98 | Vista Resources Inc | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2015 |
| 99 | Wallace John J Jr | Cooperstown, PA 16317-1909 | Oil & Gas Operator | Dec 2025 |
| 100 | WB Prod MGMT Co | Franklin, PA 16323-0107 | Oil & Gas Operator | Dec 2020 |