| 9101 | RBC Exploration Company | Tulsa, OK 74114 | Oil & Gas Operator | May 2013 |
| 9102 | RBD-Shelby Agency | Dallas, TX 75283 | Oil & Gas Operator | Dec 1993 |
| 9103 | RBJ & Associates, LP | Midland, TX 79707 | Oil Operator | Jan 2020 |
| 9104 | RBR Oil And Gas Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 9105 | RBR Operating, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2025 |
| 9106 | RBT Oil Group, LLC | Houston, TX 77043 | Oil Operator | Apr 2025 |
| 9107 | Rci, L.L.C. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2025 |
| 9108 | RCM Engineering, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2003 |
| 9109 | RCS Drilling Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 1994 |
| 9110 | RCW Oil Company | Forsan, TX 79733 | Oil & Gas Operator | Mar 2019 |
| 9111 | RCW Oil, LLC | Forsan, TX 79733 | Oil & Gas Operator | Apr 2025 |
| 9112 | Rcy Mineral Group, Inc. | El Campo, TX 77437 | Oil Operator | Jul 2010 |
| 9113 | RDT Properties, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2012 |
| 9114 | Re-Op Corp. | Houston, TX 77274 | Oil & Gas Operator | Apr 2025 |
| 9115 | Reach Oil | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2025 |
| 9116 | Reach Oil And Gas Company Inc | Oklahoma City, OK 73118-1100 | Oil & Gas Operator | Dec 2024 |
| 9117 | Read & Stevens, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2023 |
| 9118 | Reagle Production Co. | Snyder, TX 79549 | Oil & Gas Operator | Apr 2004 |
| 9119 | Reata Resources | Kermit, TX 79745 | Oil & Gas Operator | Sep 2007 |
| 9120 | Reatta Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 9121 | Reavis, Tommy | San Antonio, TX 78227 | Gas Operator | Apr 2025 |
| 9122 | Reb Petroleum Company | Sugar Land, TX 77478 | Oil & Gas Operator | Apr 2025 |
| 9123 | Rebco Oil, Inc. | Desdemona, TX 76445 | Oil Operator | Apr 2025 |
| 9124 | Rebel Energy, LTD. | Weatherford, TX 76087 | Gas Operator | Nov 2018 |
| 9125 | Rebel Production Company | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 9126 | Rebel Resources LBC LLC | Sunray, TX 79086 | Gas Operator | Apr 2025 |
| 9127 | Rec Well Service, Inc. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2008 |
| 9128 | Rec, LLC | Pleasanton, TX 78064 | Oil & Gas Operator | Apr 2025 |
| 9129 | Recoil Resources Operating, Inc. | Houston, TX 77046 | Oil & Gas Operator | Mar 2024 |
| 9130 | Recon Oil Co. | Emory, TX 75440 | Oil & Gas Operator | Apr 2025 |
| 9131 | Recovery Operating LP | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2025 |
| 9132 | Red Arrow Energy, LLC | Houston, TX 77027 | Oil & Gas Operator | Jul 2016 |
| 9133 | Red Byrd Oil, LLC | Crystal City, TX 78839 | Oil Operator | Apr 2025 |
| 9134 | Red Chalk Resources LLC | Houston, TX 77218 | Oil Operator | Apr 2025 |
| 9135 | Red Dove Oil & Gas, LLC | Mineral Wells, TX 76067 | Gas Operator | Apr 2025 |
| 9136 | Red Earth Oil & Gas, Inc. | Oklahoma City, OK 73159 | Oil & Gas Operator | Oct 2021 |
| 9137 | Red Fork Production, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
| 9138 | Red Gap Oil & Gas LLC | Cisco, TX 76437 | Oil & Gas Operator | Apr 2025 |
| 9139 | Red Hills Energy, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2024 |
| 9140 | Red Horse Petroleum | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 9141 | Red Line Company, LTD. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 9142 | Red Man Oil, Co. | Albany, TX 76430 | Oil & Gas Operator | Apr 2025 |
| 9143 | Red Oak Energy Co | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2025 |
| 9144 | Red Oak Gas Operating Company LP | Houston, TX 77056 | Oil & Gas Operator | Dec 2017 |
| 9145 | Red Oak Oil Company, LLC | Spring, TX 77379 | Oil Operator | Apr 2025 |
| 9146 | Red River Crude Oil LLC | Houston, TX 77081 | Oil Operator | Dec 2024 |
| 9147 | Red River Oil & Gas LLC | Cherry Hills, CO 80110 | Oil & Gas Operator | Jan 2025 |
| 9148 | Red River Operating & DRLG. Co. | Electra, TX 76360 | Oil & Gas Operator | Apr 2025 |
| 9149 | Red River Petroleum Inc | Tipton, OK 73570-0351 | Oil Operator | Dec 2024 |
| 9150 | Red Rock Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2015 |
| 9151 | Red Rock Resources, L.L.C. | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2024 |
| 9152 | Red Sand Resources LLC | Ada, OK 74821 | Oil Operator | Dec 2024 |
| 9153 | Red Shell Inc | Dale, TX 78616 | Oil & Gas Operator | Apr 2025 |
| 9154 | Red Stag Energy, LLC | Ozona, TX 76943 | Oil & Gas Operator | Jan 2022 |
| 9155 | Red Stag Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Apr 2025 |
| 9156 | Red Tail Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 9157 | Red Tank Resources, LLC | Dallas, TX 75379 | Oil & Gas Operator | Apr 2025 |
| 9158 | Red Water Resources, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Apr 2025 |
| 9159 | Red Willow Mid-Continent, LLC | Ignacio, CO 81137 | Oil & Gas Operator | Oct 2009 |
| 9160 | Red Willow Production, LLC | Ignacio, CO 81137 | Oil & Gas Operator | Oct 2015 |
| 9161 | Red Wolf Oil Company, Inc. | Brenham, TX 77833 | Oil & Gas Operator | Apr 2025 |
| 9162 | Red-Tex Energy Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2000 |
| 9163 | Red-Tex Petroleum, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Aug 2003 |
| 9164 | Redbird Oilfield Services Corp. | Splendora, TX 77372 | Oil & Gas Operator | Apr 2025 |
| 9165 | Redbud E & P, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 2025 |
| 9166 | Redco Oil & Gas, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2025 |
| 9167 | Redding, Bobby L. | Three Rivers, TX 78071 | Oil & Gas Operator | Mar 2004 |
| 9168 | Reddirt Operating, LLC. | Midland, TX 79704 | Oil & Gas Operator | Apr 2025 |
| 9169 | Reddy Disposals, LLC | Beeville, TX 78104 | Oil Operator | Apr 2025 |
| 9170 | Redemption Oil & Gas, LLC | San Antonio, TX 78232 | Oil & Gas Operator | Jul 2024 |
| 9171 | Redfish Bay Operating Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1998 |
| 9172 | Redhorn Resources, LLC | Spring, TX 77393 | Oil Operator | Apr 2025 |
| 9173 | Redman Operating Company | Houston, TX 77042 | Oil & Gas Operator | May 2008 |
| 9174 | Redman Operating Company LLC | Nocona, TX 76255 | Oil Operator | Apr 2025 |
| 9175 | Redmon Oil Company, Inc., The | Plano, TX 75023 | Oil & Gas Operator | Apr 2025 |
| 9176 | Redrock Exploration, Inc | Plano, TX 75025 | Oil Operator | Jul 2014 |
| 9177 | Redstone Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2020 |
| 9178 | Redstone Operating, Inc. | Austin, TX 78734 | Oil & Gas Operator | Jan 2015 |
| 9179 | Redwine Oil Company | Throckmorton, TX 76483 | Oil & Gas Operator | Jul 2009 |
| 9180 | Redwine Resources Inc | Dallas, TX 75225 | Oil & Gas Operator | Feb 2015 |
| 9181 | Redwood Energy Production, L.P. | San Francisco, CA 94104 | Gas Operator | Apr 2025 |
| 9182 | Redwood Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 1997 |
| 9183 | Redwood Oil & Gas | McKinney, TX 75070 | Oil & Gas Operator | Apr 2013 |
| 9184 | Redwood Operating, Inc. | Houston, TX 77058 | Oil & Gas Operator | Apr 2025 |
| 9185 | Reed Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 9186 | Reed Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Jun 2005 |
| 9187 | Reed Production, Inc. | Gainesville, TX 76241 | Oil Operator | Apr 2025 |
| 9188 | Reed, Robert T. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2025 |
| 9189 | Reed, Trace | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2025 |
| 9190 | Reeder, Wendell A. | Kilgore, TX 75663 | Oil Operator | Jul 2013 |
| 9191 | Reef Exploration, Inc. (A-1) | Richardson, TX 75080 | Oil & Gas Operator | Oct 2006 |
| 9192 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Apr 2025 |
| 9193 | Reese Wellsite Supervision, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 9194 | Reeves County Systems, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Aug 2019 |
| 9195 | Refined Products, Inc. | Beaumont, TX 77705 | Oil Operator | Apr 2025 |
| 9196 | Reflection Energy Search, Inc | Midland, TX 79702 | Oil Operator | Feb 2006 |
| 9197 | Refuge Properties, LLC | Longview, TX 75608 | Oil Operator | Apr 2025 |
| 9198 | Regal Development Inc. | Eldorado, TX 76936 | Gas Operator | Jul 1996 |
| 9199 | Regal Energy Corporation | Rhome, TX 76078 | Oil & Gas Operator | Apr 2025 |
| 9200 | Regal Energy Operating, L.L.C. | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |