| 1 | P & A Operating, Inc. | Kerrville, TX 78028 | Oil & Gas Operator | Sep 2025 |
| 2 | P & C Oil Company | Leona, TX 75850 | Oil & Gas Operator | Jul 2025 |
| 3 | P & M Construction | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 4 | P & M Petroleum Management, LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 5 | P & P Petroleum | Midland, TX 79706 | Oil & Gas Operator | Oct 2002 |
| 6 | P & R Oil Company | Post, TX 79356 | Oil & Gas Operator | Sep 2025 |
| 7 | P & W Well Service Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2025 |
| 8 | P & WG Resources L.L.C. | Batson, TX 77519 | Oil & Gas Operator | Jan 2011 |
| 9 | P&F Operations, LLC | Thrall, TX 76578 | Oil Operator | Sep 2025 |
| 10 | P&P Industries, Inc. | Austin, TX 78737 | Oil & Gas Operator | Dec 2002 |
| 11 | P,B&B Operating Inc. | Coleman, TX 76834 | Oil & Gas Operator | Sep 2025 |
| 12 | P-2 Exploration Co. | Amarillo, TX 79124 | Oil & Gas Operator | Feb 2005 |
| 13 | P-K Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 14 | P-R-O Management, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Sep 2025 |
| 15 | P-Tex Petroleum, Inc. | Dallas, TX 75238 | Oil & Gas Operator | Nov 1999 |
| 16 | P. L. O. | Boerne, TX 78006 | Oil & Gas Operator | Jun 2016 |
| 17 | P. R. L. Oil Company | Albany, TX 76430 | Oil & Gas Operator | Apr 2008 |
| 18 | P.B. Blue Dot Properties | Wexford, PA 15090 | Oil & Gas Operator | Sep 2025 |
| 19 | P.I.D. Drilling Inc | Clyde, TX 79510 | Oil & Gas Operator | Sep 2025 |
| 20 | P.O.&G. Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2025 |
| 21 | P.O.S. Energy, Inc. | Buna, TX 77612 | Oil & Gas Operator | Sep 2025 |
| 22 | P.S.N. Petroleum, Inc. | San Antonio, TX 78233 | Oil & Gas Operator | Sep 2025 |
| 23 | P1 Energy, LLC | Judson, TX 75660 | Oil & Gas Operator | Sep 2025 |
| 24 | P4 Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 25 | Pa Prospect LLC | Columbus, MT 59019 | Oil & Gas Operator | Jul 2020 |
| 26 | Pablo Energy II, LLC | Amarillo, TX 79105 | Oil & Gas Operator | May 2025 |
| 27 | Pablo Energy, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2005 |
| 28 | Pace And Ray Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Sep 2025 |
| 29 | Pace Oil And Gas Company | Austin, TX 78715 | Oil & Gas Operator | Sep 2025 |
| 30 | Pace Operating | Abilene, TX 79608 | Oil & Gas Operator | Sep 2025 |
| 31 | Pace Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 2025 |
| 32 | Pace Production Co. | San Angelo, TX 76902 | Oil & Gas Operator | Sep 2025 |
| 33 | Pace Royalty Trust Fund, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Nov 2001 |
| 34 | Pace West Production LC | San Angelo, TX 76904 | Oil & Gas Operator | Sep 1995 |
| 35 | Pacesetter Energy, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | May 2008 |
| 36 | Pacesetter Energy, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2020 |
| 37 | Pacific Enterprises Oil Co. (USA) | Dallas, TX 75201 | Oil & Gas Operator | Feb 2001 |
| 38 | Pacific Enterprises Royalty Co | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 39 | Pacific Exploration Oper Co, LLC | Houston, TX 77057 | Oil Operator | Sep 2025 |
| 40 | Pacific Operators, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Mar 1999 |
| 41 | Pack-Man Energy Company | Ranger, TX 76470 | Oil & Gas Operator | Nov 2005 |
| 42 | Packard Gas Company | Irving, TX 75063 | Oil & Gas Operator | Nov 2006 |
| 43 | Pactola Development Co | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2004 |
| 44 | Padon, Frank B. Oil Oper., Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1998 |
| 45 | Page Energy | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1997 |
| 46 | Page Exploration | Midland, TX 79701 | Oil & Gas Operator | Apr 2007 |
| 47 | Page Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 48 | Page Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2010 |
| 49 | Paint Rock Operating, LLC | San Angelo, TX 76904 | Oil & Gas Operator | Sep 2025 |
| 50 | Pairadice Oil And Gas Company LLC | Caldwell, TX 77836 | Oil Operator | Sep 2025 |
| 51 | Paisano Minerals Company | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Aug 2003 |
| 52 | Paisano Petroleum, Inc. | San Antonio, TX 78246 | Oil & Gas Operator | Dec 2016 |
| 53 | Paisano Production, Inc. | Somerset, TX 78069 | Oil Operator | Sep 2025 |
| 54 | Pal Energy LLC | Guymon, OK 73942-1950 | Gas Operator | Aug 2009 |
| 55 | Palace Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2007 |
| 56 | Palace Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 57 | Paladar Investments I, L.L.C. | Houston, TX 77090 | Oil & Gas Operator | Feb 2013 |
| 58 | Paladin Drilling Company | McLeod, TX 75565 | Gas Operator | Sep 2011 |
| 59 | Paladin Energy Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jul 2017 |
| 60 | Paladin Exploration Co., Inc. | Plano, TX 75093 | Oil & Gas Operator | Feb 1995 |
| 61 | Paladin Petroleum III, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Sep 2025 |
| 62 | Paladin-Hayes, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Dec 1999 |
| 63 | Paleo Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 64 | Paleo Oil Company LLC | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Sep 2025 |
| 65 | Paleo, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 2025 |
| 66 | Palisades Asset Holding Co LLC | Dallas, TX 75201 | Oil & Gas Operator | Aug 2017 |
| 67 | Palisades Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 68 | Palmer Oil Properties | Post, TX 79356 | Oil & Gas Operator | Sep 2025 |
| 69 | Palmer Operating LLC | Megargel, TX 76370 | Oil Operator | Sep 2025 |
| 70 | Palmer Petroleum Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 71 | Palmer Tank Trucks, Inc. | Olney, TX 76374 | Oil & Gas Operator | Mar 2008 |
| 72 | Palmer, J. M. | Keller, TX 76244 | Oil & Gas Operator | Aug 2009 |
| 73 | Palmer, James W. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2002 |
| 74 | Palmer, John Inc. | Megargel, TX 76370 | Oil & Gas Operator | Feb 1994 |
| 75 | Palmer, John LLC | Megargel, TX 76370 | Oil & Gas Operator | Sep 2025 |
| 76 | Palmer, Mike Oil | Megargel, TX 76370 | Oil & Gas Operator | Mar 2021 |
| 77 | Palmer, Scott Oil | Olney, TX 76374 | Oil Operator | Feb 2023 |
| 78 | Palmigo Oil Co. | West Hills, CA 91308 | Oil & Gas Operator | Oct 2017 |
| 79 | Palo Cross, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 80 | Palo Duro Resources LLC | Perryton, TX 79070 | Oil & Gas Operator | Sep 2025 |
| 81 | Palo Petroleum, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Sep 2025 |
| 82 | Palo Pinto Bond Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 83 | Palo Pinto Gas Company | Snyder, TX 79550 | Oil & Gas Operator | Dec 1994 |
| 84 | Palo Pinto Oil & Gas Corporation | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2015 |
| 85 | Palo Pinto Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1998 |
| 86 | Paloma Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 87 | Paloma Operating, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Sep 2025 |
| 88 | Paloma Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2018 |
| 89 | Palrich Oil Corporation | Abilene, TX 79601 | Oil & Gas Operator | Apr 2004 |
| 90 | Paluxy Oil & Gas, LLC | Forney, TX 75126 | Oil & Gas Operator | Sep 2025 |
| 91 | Paluxy Sands Corporation | Sonora, TX 76950 | Oil & Gas Operator | Jun 2012 |
| 92 | Pampa Water Disposal, Inc. | Booker, TX 79005 | Oil & Gas Operator | Sep 2025 |
| 93 | Pan American Sales Corporation | Dallas, TX 75202 | Oil & Gas Operator | Mar 2001 |
| 94 | Pan Petroleum Corp. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 95 | Pan Resources, Inc. | Borger, TX 79007 | Oil & Gas Operator | Mar 2008 |
| 96 | Pan Western Energy Corporation | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2025 |
| 97 | Panaco Production Co | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 98 | Panaco, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 99 | Panada Exploration, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1996 |
| 100 | Panadero Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Apr 2002 |