| 1001 | Ray Westall | Loco Hills, NM 88255 | Oil & Gas Operator | Sep 2012 |
| 1002 | Ray Westall Operating, Inc. | Loco Hills, NM 88255 | Oil & Gas Operator | Nov 2023 |
| 1003 | Raya Energy Corp. | Austin, TX 78716 | Oil & Gas Operator | Jul 2018 |
| 1004 | Raybaw Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Feb 2024 |
| 1005 | RC Resources Corp | Dallas, TX 75231 | Oil & Gas Operator | Oct 2009 |
| 1006 | Read & Stevens, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2023 |
| 1007 | Ready Oil & Gas | Artesia, NM 882110381 | Oil & Gas Operator | Dec 2007 |
| 1008 | Redmon Oil Company, Inc., The | Plano, TX 75023 | Oil & Gas Operator | Apr 2024 |
| 1009 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |
| 1010 | Redwolf Production Inc | Farmington, NM 87499 | Oil & Gas Operator | Feb 2024 |
| 1011 | Redwood Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Dec 2023 |
| 1012 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Apr 2024 |
| 1013 | Reeves County Systems, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Aug 2019 |
| 1014 | Regency Pet Co Of NM | Irving, TX 75038 | Oil & Gas Operator | Feb 2000 |
| 1015 | Regeneration Energy, Corporation | Artesia, NM 88210 | Oil & Gas Operator | Mar 2023 |
| 1016 | Regent Oil & Gas Company, L.P. | Dallas, TX 75225 | Oil & Gas Operator | Sep 2006 |
| 1017 | Regina Oil & Gas LLC | Regina, NM 87046 | Oil & Gas Operator | Jan 2024 |
| 1018 | Reliable Production LLC | Farmington, NM 87401 | Oil & Gas Operator | Jan 2024 |
| 1019 | Reliance Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 1020 | Reliant Exploration And Production LLC | Midland, TX 79707 | Gas Operator | Mar 2015 |
| 1021 | Remnant Oil Operating, LLC | Midland, TX 79704 | Oil & Gas Operator | Dec 2023 |
| 1022 | Remo, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2003 |
| 1023 | Remuda Operating Company | Midland, TX 79711 | Oil & Gas Operator | Apr 2024 |
| 1024 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |
| 1025 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 1026 | Resource Development Technology LLC | Morrison, CO 80465 | Oil & Gas Operator | Oct 2020 |
| 1027 | Resource Rock Services, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2018 |
| 1028 | Reubin Collins Dba RCJ Enterprises | Hobbs, NM 882416055 | Oil & Gas Operator | May 2009 |
| 1029 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 1030 | RG Exploration, LLC | Midland, TX 78705 | Oil & Gas Operator | Feb 2020 |
| 1031 | Rhombus Operating Co., LTD | Littleton, CO 80160 | Oil & Gas Operator | Apr 2024 |
| 1032 | Rhonda Operating Company | Midland, TX 79710 | Oil & Gas Operator | Aug 2017 |
| 1033 | Rice Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2020 |
| 1034 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Jan 2024 |
| 1035 | Ridge Runner Resources Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 1036 | Ridgeway Arizona Oil Corp. | Houston, TX 77079 | Oil & Gas Operator | Jan 2024 |
| 1037 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 1038 | Riley Permian Operating Co, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Apr 2024 |
| 1039 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Apr 2024 |
| 1040 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 1041 | Rio Chama Petroleum, Inc | Pagosa Springs, CO 81147 | Oil & Gas Operator | Apr 2004 |
| 1042 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 1043 | RMR Operating, LLC | Dallas, TX 75235 | Oil & Gas Operator | Apr 2024 |
| 1044 | Robert C Dintelman | Farmington, NM 87401 | Oil & Gas Operator | Jan 2000 |
| 1045 | Robert E. Landreth | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 1046 | Robert H Forrest Jr Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Nov 2023 |
| 1047 | Robert L Bayless | Farmington, NM 87499 | Oil & Gas Operator | Nov 2003 |
| 1048 | Robert L Bayless Producer, LLC | Denver, CO 80293 | Oil & Gas Operator | Feb 2024 |
| 1049 | Robert L Love | Hobbs, NM 88240 | Oil & Gas Operator | May 1997 |
| 1050 | Robert L Parker Trust | Tulsa, OK BADADDR | Oil & Gas Operator | Oct 2003 |
| 1051 | Robert N Enfield | Santa Fe, NM 87501 | Oil & Gas Operator | Nov 1997 |
| 1052 | Robert R Click | Dallas, TX 75231 | Oil & Gas Operator | Dec 1994 |
| 1053 | Robertson Resources, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2024 |
| 1054 | Robertson-Bryce Management, LLC | Tyler, TX 75701 | Oil & Gas Operator | Apr 2024 |
| 1055 | Robinson Oil Inc | Eunice, NM 88231 | Oil & Gas Operator | Jun 2015 |
| 1056 | Roc Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2013 |
| 1057 | Roca Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 1058 | Roca Production, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 1059 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
| 1060 | Rockcliff Operating New Mexico LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2018 |
| 1061 | Roddy Production Company Inc | Farmington, NM 87401 | Oil & Gas Operator | Jan 2024 |
| 1062 | Roden Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2008 |
| 1063 | Rodney B Webb Dba Webb Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Jun 2005 |
| 1064 | Roff Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 1065 | Roger Slayton Dba Escudilla Oil Company | Roswell, NM 88202 | Oil Operator | Sep 2020 |
| 1066 | Rojo Grande LLC | Artesia, NM 882110248 | Oil Operator | Apr 2008 |
| 1067 | Roma Oil & Gas | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1999 |
| 1068 | Ronadero Company Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 1069 | Ronald J Nelson | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2006 |
| 1070 | Ronald L Hicks | Aztec, NM 87410 | Oil Operator | Sep 2009 |
| 1071 | Rosehill Operating Company, LLC | Houston, TX 77084 | Oil & Gas Operator | Sep 2021 |
| 1072 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
| 1073 | Roswell Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2019 |
| 1074 | Roughhouse Operating, LLC | Addison, TX 75001 | Oil & Gas Operator | Jan 2024 |
| 1075 | Rover Operating, LLC | Plano, TX 75075 | Oil & Gas Operator | Jan 2024 |
| 1076 | Rover Operations Inc | Richardson, TX 75080 | Oil & Gas Operator | Sep 1998 |
| 1077 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 1078 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 1079 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 1080 | RSC Resources Limited Partnership | Midland, TX 79707 | Oil & Gas Operator | Apr 2013 |
| 1081 | Rubicon Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 1082 | Running Horse Production Co. | Ignacio, CO 81137 | Gas Operator | Jun 2016 |
| 1083 | Rust Oil Corp. | Fort Worth, TX 76108 | Oil & Gas Operator | Apr 2024 |
| 1084 | Ruth Oil Co, LLC | Eunice, NM 88231 | Oil Operator | Mar 2015 |
| 1085 | Ruthco Oil, LLC | Eunice, NM 88231 | Oil Operator | May 2008 |
| 1086 | RW Oil Co | Lovington, NM BAD ADDR | Oil Operator | Nov 1994 |
| 1087 | S & D Partnership | Eunice, NM 88231 | Oil Operator | Feb 2024 |
| 1088 | Saba Energy Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Nov 1994 |
| 1089 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 1090 | Saber Oil & Gas Ventures, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 1091 | Saber Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2008 |
| 1092 | Sabinal Energy Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
| 1093 | Sabre Op Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2024 |
| 1094 | Saga Petroleum Limited Liability Co. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 1095 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Apr 2024 |
| 1096 | Sagebrush Oil Inc. | Deming, NM 88030 | Oil Operator | Mar 2024 |
| 1097 | Saguaro Petroleum, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 1098 | Sahara Operating Company | Midland, TX 79704 | Oil & Gas Operator | Apr 2024 |
| 1099 | Sam K VIersen | Okmulgee, OK 74447 | Oil & Gas Operator | Jun 1996 |
| 1100 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |