| 9101 | Reneau, James Seed Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jun 2026 |
| 9102 | Reneau, Nelda York | Snyder, TX 79549 | Oil & Gas Operator | Jun 2026 |
| 9103 | Renegade Operating Company | Aurora, CO 80016 | Oil & Gas Operator | Aug 2023 |
| 9104 | Renegade Operating Company, LLC | Abilene, TX 79608 | Oil Operator | Oct 2006 |
| 9105 | Renuergy LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 9106 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Jun 2026 |
| 9107 | Reostar Operating Incorporated | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2012 |
| 9108 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2026 |
| 9109 | Republic Energy Inc. | Decatur, TX 76234 | Oil & Gas Operator | Dec 2016 |
| 9110 | Republic Energy Operating, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jan 2016 |
| 9111 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Jun 2026 |
| 9112 | Resaca Operating Company | Houston, TX 77010 | Oil & Gas Operator | Sep 2013 |
| 9113 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 9114 | Research Exploration, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2018 |
| 9115 | Reserve Acquisition Group | Tulsa, OK 74153 | Oil & Gas Operator | Dec 1993 |
| 9116 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2026 |
| 9117 | Reserve Operating Corp. | Houston, TX 77040 | Oil & Gas Operator | Jun 2026 |
| 9118 | Reserve Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2008 |
| 9119 | Residual Flow Operating, LLC | | Oil Operator | Jun 2026 |
| 9120 | Resolute Natural Res. Co., LLC | Midland, TX 79706 | Oil & Gas Operator | Jun 2026 |
| 9121 | Resolute Natural Resources Co., LLC | Denver, CO 80203 | Oil & Gas Operator | Feb 2017 |
| 9122 | Resource Expl & Prod, Inc. | Salado, TX 76571 | Oil & Gas Operator | Jun 2026 |
| 9123 | Resource Management Company | Fredericksbrg, TX 78624 | Oil & Gas Operator | Feb 2015 |
| 9124 | Resource Oil And Gas, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2026 |
| 9125 | Resource Operating Company | Abilene, TX 79601 | Oil & Gas Operator | Jul 1997 |
| 9126 | Ress Production Co. | Farmington, NM 87499 | Oil & Gas Operator | Mar 2026 |
| 9127 | Restoration Energy LLC | Amarillo, TX 79124 | Oil & Gas Operator | Jun 2026 |
| 9128 | Restore Operating LLC | Andrews, TX 79714 | Oil & Gas Operator | Jun 2026 |
| 9129 | Retama Oil Corporation | Uvalde, TX 78801 | Oil & Gas Operator | Jun 2026 |
| 9130 | Retamco Operating Inc | Red Lodge, MT 59068 | Oil & Gas Operator | Feb 2026 |
| 9131 | Retriever Operating LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2026 |
| 9132 | Reunion Energy Company | Houston, TX 77056 | Oil & Gas Operator | May 1996 |
| 9133 | Revard Petroleum, L.L.C. | Tulsa, OK 74170 | Oil & Gas Operator | Jun 2026 |
| 9134 | Reveille Resources | Houston, TX 77084 | Oil & Gas Operator | Apr 2011 |
| 9135 | Reveille Resources (Texas), Inc. | Houston, TX 77084 | Oil & Gas Operator | Jan 2013 |
| 9136 | Revelation Oil & Gas LLC | Dumas, TX 79029 | Oil & Gas Operator | Jun 2026 |
| 9137 | Revenant Energy Operating LLC | Plano, TX 75024 | Gas Operator | Jun 2026 |
| 9138 | Reverence Operating LLC | Odessa, TX 79768 | Oil & Gas Operator | Jun 2026 |
| 9139 | Revier Resources Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2005 |
| 9140 | Revier, J. B. Prod. Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Apr 1996 |
| 9141 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 9142 | Revolution Operating Company,LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jul 2024 |
| 9143 | Rex Energy Operating Corp. | State College, PA 16801 | Oil & Gas Operator | Jun 2012 |
| 9144 | Rex Oil, A Texas Partnership | Hondo, TX 78861 | Oil & Gas Operator | May 2003 |
| 9145 | Rexcom, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2026 |
| 9146 | Reynolds Drilling Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2026 |
| 9147 | Reynolds E & P, Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2026 |
| 9148 | Reynolds, E. P., Jr. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 9149 | Reynolds, J. C. & W. F. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2026 |
| 9150 | Reynolds, Richard | Seymour, TX 76380 | Oil & Gas Operator | Mar 2008 |
| 9151 | Rfe Operating, LLC | Tyler, TX 75703 | Oil & Gas Operator | Jun 2026 |
| 9152 | RGX Energy LLC | Plano, TX 75025 | Oil & Gas Operator | Oct 2019 |
| 9153 | RHB Exploration & Production,LLC | Grapevine, TX 76099 | Oil & Gas Operator | Jun 2026 |
| 9154 | RHC Energy (USA) LLC | Houston, TX 77027 | Oil Operator | Jun 2026 |
| 9155 | Rheaco Oil Company, LTD. | Sourlake, TX 77659 | Oil Operator | Jun 2026 |
| 9156 | Rheata Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 9157 | Rhodes Disposal, Inc. | Bryson, TX 76427 | Oil Operator | Jun 2026 |
| 9158 | Rhodes Drilling Company | Abilene, TX 79608 | Oil & Gas Operator | Sep 2000 |
| 9159 | Rhombus Operating Co., LTD | Littleton, CO 80160 | Oil & Gas Operator | Apr 2026 |
| 9160 | Rhonda Operating Company | Midland, TX 79710 | Oil & Gas Operator | Aug 2017 |
| 9161 | RHR Oil & Gas, LLC | Fort Worth, TX 76107 | Oil Operator | Jun 2026 |
| 9162 | Rhyne, J.V. | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 9163 | Ria Mia Corporation | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2011 |
| 9164 | Rialto Oil & Gas Corporation | Houston, TX 77098 | Oil & Gas Operator | Oct 2012 |
| 9165 | Riata Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2006 |
| 9166 | Ric Petroleum, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 9167 | Rice Drilling Company | Santa Anna, TX 76878 | Oil & Gas Operator | Jun 2026 |
| 9168 | Rice, James D. | Santa Anna, TX 76878 | Oil & Gas Operator | Sep 2007 |
| 9169 | Richard C. Bellows Family Trust | George West, TX 78022 | Oil Operator | Jun 2026 |
| 9170 | Richard'S Texas Tea | Rockdale, TX 76567 | Oil Operator | Jun 2026 |
| 9171 | Richards, Michael Dewain | Graham, TX 76450 | Oil & Gas Operator | Apr 2011 |
| 9172 | Richards, Tot Dozer, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | May 2013 |
| 9173 | Richards, Tot Oil Co. | Abilene, TX 79601 | Oil & Gas Operator | Jun 2026 |
| 9174 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 9175 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Mar 2026 |
| 9176 | Richardson Resources Inc | Brownwood, TX 76801 | Oil & Gas Operator | Jun 2026 |
| 9177 | Richardson, Bud II | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 9178 | Richardson, Marshall T. | Midfield, TX 77458 | Oil & Gas Operator | Jun 2026 |
| 9179 | Richey Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2026 |
| 9180 | Richey Properties, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2026 |
| 9181 | Richey, Ray Management Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Jun 2026 |
| 9182 | Richland Energy, Inc. | Irving, TX 75063 | Oil & Gas Operator | Jun 2026 |
| 9183 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2026 |
| 9184 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
| 9185 | Richmond Drilling Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2017 |
| 9186 | Richmond Operating Company | Midland, TX 79707 | Oil & Gas Operator | Feb 2007 |
| 9187 | Richmond Petroleum Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Aug 2003 |
| 9188 | Richter Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2007 |
| 9189 | Rickaway Energy, Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Jun 2026 |
| 9190 | Ricks Expl Acquisition Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2004 |
| 9191 | Ricks Expl Acquisition LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2013 |
| 9192 | Ricks Exploration, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 9193 | Rico Oil Company | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 9194 | Ricochet Energy, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2026 |
| 9195 | Ricon Petroleum Company | Shamrock, TX 79079 | Oil & Gas Operator | Mar 2008 |
| 9196 | Riddle Engineering Corp. | Corpus Christ, TX 78401 | Oil & Gas Operator | Jul 2011 |
| 9197 | Ridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 9198 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2026 |
| 9199 | Ridgeline Energy Inc. | Miami, FL 33130 | Oil & Gas Operator | Jun 2026 |
| 9200 | Ridgeline Resources, LLC | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |