| 1001 | Prospective Investment And Trading Co (The) | Tulsa, OK 741702320 | Oil & Gas Operator | Jun 2005 |
| 1002 | Proven Petroleum, Inc. | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2025 |
| 1003 | Providence Energy Servs Inc.-Kelton Op Corp | Andrews, TX 79714 | Oil & Gas Operator | Mar 2025 |
| 1004 | Psa Producers | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1995 |
| 1005 | Pueblo Petroleum Inc | Roswell, NM 88202 | Oil & Gas Operator | Feb 1997 |
| 1006 | Pumpjak Oil Company, LLC | Weatherford, TX 76088 | Oil & Gas Operator | Jun 2018 |
| 1007 | Pure Energy Operating, Inc. | Plano, TX 75024 | Oil & Gas Operator | Jul 2012 |
| 1008 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |
| 1009 | Purvis Oil Corp | Midland, TX 79702 | Oil & Gas Operator | Jul 1994 |
| 1010 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 1011 | PXP Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
| 1012 | Pyramid Energy Inc | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2012 |
| 1013 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Jan 2025 |
| 1014 | Quality Production Corp | Hobbs, NM BADADDR | Oil Operator | Jan 2002 |
| 1015 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Jan 2025 |
| 1016 | Quatro Osos E&P, LLC | Roswell, NM 88202 | Oil Operator | Feb 2025 |
| 1017 | Quay Valley, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2007 |
| 1018 | Queen Sand Operating Co. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 1019 | Quintana Petroleum Services Inc | Houston, TX 77253 | Gas Operator | Apr 1996 |
| 1020 | R & G Drilling Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 1995 |
| 1021 | R & M Energy | Gonzales, TX 78629 | Oil & Gas Operator | Mar 2006 |
| 1022 | R & M Oil, LLC | Loco Hills, NM 882550011 | Oil & Gas Operator | Jul 2024 |
| 1023 | R C Bennett Co | Midland, TX 79702 | Oil & Gas Operator | Jan 2019 |
| 1024 | R E Sitta Jr | Farmington, NM 874991230 | Oil & Gas Operator | Aug 2011 |
| 1025 | R J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 1026 | R S E Partners-I LP | Oklahoma City, OK 731025261 | Oil & Gas Operator | Feb 2000 |
| 1027 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 1028 | Ralph C Bruton | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2007 |
| 1029 | Ralph E Williamson | San Antonio, TX 78239 | Oil & Gas Operator | Dec 2013 |
| 1030 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Jan 2025 |
| 1031 | Rand Oil & Gas Inc. | Midland, TX BAD ADDR | Oil & Gas Operator | Apr 1996 |
| 1032 | Rand Paulson Energy Company | Houston, TX 77040 | Oil & Gas Operator | Oct 1999 |
| 1033 | Range Operating New Mexico Inc | Tulsa, OK 74135 | Oil & Gas Operator | Mar 2004 |
| 1034 | Range Operating New Mexico LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2013 |
| 1035 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 1036 | Ranger 40 Petroleum, LLC | Fairfield, CT 06824 | Oil & Gas Operator | Apr 2025 |
| 1037 | Raptor Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Apr 2025 |
| 1038 | Raven Operating Group, Inc. | Sedalia, CO 80135 | Oil & Gas Operator | Dec 2010 |
| 1039 | Raw Oil & Gas, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Apr 2025 |
| 1040 | Ray A Pierce | Midland, TX 79702 | Oil & Gas Operator | Dec 2023 |
| 1041 | Ray Westall | Loco Hills, NM 88255 | Oil & Gas Operator | Sep 2012 |
| 1042 | Ray Westall Operating, Inc. | Loco Hills, NM 88255 | Oil & Gas Operator | Feb 2025 |
| 1043 | Raya Energy Corp. | Austin, TX 78716 | Oil & Gas Operator | Jul 2018 |
| 1044 | Raybaw Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Feb 2025 |
| 1045 | RC Resources Corp | Dallas, TX 75231 | Oil & Gas Operator | Oct 2009 |
| 1046 | Read & Stevens, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2023 |
| 1047 | Ready Oil & Gas | Artesia, NM 882110381 | Oil & Gas Operator | Dec 2007 |
| 1048 | Redmon Oil Company, Inc., The | Plano, TX 75023 | Oil & Gas Operator | Apr 2025 |
| 1049 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |
| 1050 | Redwolf Production Inc | Farmington, NM 87499 | Oil & Gas Operator | Feb 2025 |
| 1051 | Redwood Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Dec 2023 |
| 1052 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Apr 2025 |
| 1053 | Reeves County Systems, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Aug 2019 |
| 1054 | Regency Pet Co Of NM | Irving, TX 75038 | Oil & Gas Operator | Feb 2000 |
| 1055 | Regeneration Energy, Corporation | Artesia, NM 88210 | Oil & Gas Operator | Mar 2023 |
| 1056 | Regent Oil & Gas Company, L.P. | Dallas, TX 75225 | Oil & Gas Operator | Sep 2006 |
| 1057 | Regina Oil & Gas LLC | Regina, NM 87046 | Oil & Gas Operator | Feb 2025 |
| 1058 | Reliable Production LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2025 |
| 1059 | Reliance Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 1060 | Reliant Exploration And Production LLC | Midland, TX 79707 | Gas Operator | Mar 2015 |
| 1061 | Remnant Oil Operating, LLC | Midland, TX 79704 | Oil & Gas Operator | Jul 2024 |
| 1062 | Remo, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2003 |
| 1063 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Apr 2025 |
| 1064 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |
| 1065 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 1066 | Resource Development Technology LLC | Morrison, CO 80465 | Oil & Gas Operator | Oct 2020 |
| 1067 | Resource Rock Services, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2018 |
| 1068 | Reubin Collins Dba RCJ Enterprises | Hobbs, NM 882416055 | Oil & Gas Operator | May 2009 |
| 1069 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 1070 | RG Exploration, LLC | Midland, TX 78705 | Oil & Gas Operator | Feb 2020 |
| 1071 | Rhombus Operating Co., LTD | Littleton, CO 80160 | Oil & Gas Operator | Feb 2025 |
| 1072 | Rhonda Operating Company | Midland, TX 79710 | Oil & Gas Operator | Aug 2017 |
| 1073 | Rice Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2020 |
| 1074 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Feb 2025 |
| 1075 | Ridge Runner Resources Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 1076 | Ridgeway Arizona Oil Corp. | Houston, TX 77079 | Oil & Gas Operator | Jan 2025 |
| 1077 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2025 |
| 1078 | Riley Permian Operating Co, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Apr 2025 |
| 1079 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Apr 2025 |
| 1080 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 1081 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 1082 | RM Energy LTD Liab. Co. | Casper, WY 82602 | Gas Operator | Mar 2009 |
| 1083 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 1084 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 1085 | Robert C Dintelman | Farmington, NM 87401 | Oil & Gas Operator | Jan 2000 |
| 1086 | Robert D Chenault | Farmington, NM 87402 | Oil & Gas Operator | Oct 2020 |
| 1087 | Robert E. Landreth | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 1088 | Robert H Forrest Jr Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Feb 2025 |
| 1089 | Robert L Bayless | Farmington, NM 87499 | Oil & Gas Operator | Nov 2003 |
| 1090 | Robert L Bayless Producer, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 1091 | Robert L Love | Hobbs, NM 88240 | Oil & Gas Operator | May 1997 |
| 1092 | Robert L Parker Trust | Tulsa, OK BADADDR | Oil & Gas Operator | Oct 2003 |
| 1093 | Robert N Enfield | Santa Fe, NM 87501 | Oil & Gas Operator | Nov 1997 |
| 1094 | Robert R Click | Dallas, TX 75231 | Oil & Gas Operator | Dec 1994 |
| 1095 | Robertson Resources, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2025 |
| 1096 | Robertson-Bryce Management, LLC | Tyler, TX 75701 | Oil & Gas Operator | Apr 2025 |
| 1097 | Robinson Oil Inc | Eunice, NM 88231 | Oil & Gas Operator | Jun 2015 |
| 1098 | Roc Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2013 |
| 1099 | Roca Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 1100 | Roca Production, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2025 |