| 9201 | Ridgeway Exco, Inc. | San Antonio, TX 78279 | Oil & Gas Operator | Mar 1996 |
| 9202 | Ridglea Energy I, LLC | Spring, TX 77379 | Oil & Gas Operator | Jun 2026 |
| 9203 | Ridley Oil Corporation | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 9204 | Rife Energy Operating, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Jun 2026 |
| 9205 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Jun 2026 |
| 9206 | Rife Operating, LTD. | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2005 |
| 9207 | Rife, M. O., Jr. | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 1998 |
| 9208 | Rig Petroleum, LLC | Spearman, TX 79081 | Oil & Gas Operator | Jun 2026 |
| 9209 | Rig Runner Express Inc Of Texas | Kilgore, TX 75663 | Oil & Gas Operator | May 2014 |
| 9210 | Rig Runner Express, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Mar 2008 |
| 9211 | Rigged Up, LLC | Graham, TX 76450 | Oil Operator | Jun 2026 |
| 9212 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 9213 | Riggs Petroleum Company | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 9214 | Riggs, Don R. | San Antonio, TX 78270 | Oil & Gas Operator | Aug 2003 |
| 9215 | Riley Exploration Opg Co, LLC | La Grange, TX 78945 | Oil & Gas Operator | Jun 2026 |
| 9216 | Riley Exploration, LLC | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2026 |
| 9217 | Riley Permian Operating Co, LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Jun 2026 |
| 9218 | Riley Production | Throckmorton, TX 76483 | Oil & Gas Operator | Jun 2026 |
| 9219 | Riley Production, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2012 |
| 9220 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Jun 2026 |
| 9221 | Rimfire Resources, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 9222 | Rimrock Energy, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2012 |
| 9223 | Rimrock Gas Company | Weatherford, OK 73096 | Oil & Gas Operator | May 2008 |
| 9224 | Rimrock Production Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jun 2026 |
| 9225 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Jun 2026 |
| 9226 | Rincon Production Co., Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 1997 |
| 9227 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 9228 | Ringo Rig LLC | Coleman, TX 76834 | Oil & Gas Operator | Jun 2026 |
| 9229 | Rio Blanco Energy, Inc. | Littleton, CO 80121 | Oil & Gas Operator | Oct 2002 |
| 9230 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
| 9231 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
| 9232 | Rio Bravo Production, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 9233 | Rio Bravo Royalty Co. | Bandera, TX 78003 | Oil & Gas Operator | Aug 2003 |
| 9234 | Rio Energy | Houston, TX 77067 | Oil Operator | Jun 2026 |
| 9235 | Rio Grand Exploration, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Jun 2026 |
| 9236 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 9237 | Rio Grande E&P II, LLC | Houston, TX 77092 | Gas Operator | Jun 2026 |
| 9238 | Rio Interstate Oil, Inc. | Oklahoma City, OK 73189 | Oil & Gas Operator | Sep 1994 |
| 9239 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | Jun 2026 |
| 9240 | Rio Oil And Gas (Permian) II,LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Nov 2024 |
| 9241 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Jun 2026 |
| 9242 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2026 |
| 9243 | Rippy Branch Oil Co. | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2022 |
| 9244 | Rippy Oil Company | Tyler, TX 75702 | Oil & Gas Operator | Jun 2026 |
| 9245 | Riptide Energy LLC | Austin, TX 78701 | Oil & Gas Operator | Jun 2026 |
| 9246 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
| 9247 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Jun 2026 |
| 9248 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
| 9249 | Rising Star Energy PTR, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Jun 2025 |
| 9250 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 9251 | Rising Star Petroleum, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Apr 2010 |
| 9252 | Rister Oil&Gas International LLC | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 9253 | Rister, Dewey | Avoca, TX 79503 | Oil & Gas Operator | Jun 2026 |
| 9254 | Ritchie, H. G. Jr. | Taft, TX 78390 | Oil & Gas Operator | Jun 2026 |
| 9255 | Rittenhouse Oil & Gas Co. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 9256 | Ritter Properties, LTD. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2026 |
| 9257 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Aug 2025 |
| 9258 | River City Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 9259 | Rivercity Operating, Inc. | Austin, TX 78766 | Oil & Gas Operator | Jun 2026 |
| 9260 | Riverine, L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2021 |
| 9261 | Rivershore Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Jun 2026 |
| 9262 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Jun 2026 |
| 9263 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 9264 | RJD Management Co., Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2026 |
| 9265 | RJKB Foster Operating LLC | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 9266 | RJM Oil Company, LLC | Irving, TX 75060 | Oil Operator | Jun 2026 |
| 9267 | Rki Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2021 |
| 9268 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Jun 2026 |
| 9269 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Mar 2026 |
| 9270 | RKW Oil & Gas LLC | Burkburnett, TX 76354 | Oil Operator | Jun 2026 |
| 9271 | RKW Operating LLC | Weatherford, TX 76085 | Gas Operator | Jun 2026 |
| 9272 | RLB Enterprises, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Feb 1997 |
| 9273 | RLB Investments LLC | Holdenville, OK 74848-9421 | Oil Operator | Jul 2017 |
| 9274 | RLM Energy Company Inc. | Monroe, LA 71201 | Oil & Gas Operator | Mar 2008 |
| 9275 | RLS Oil Company | Tulia, TX 79088 | Oil & Gas Operator | Jun 2026 |
| 9276 | Rlu Oil & Gas, Inc. | Devine, TX 78016 | Oil & Gas Operator | Jun 2026 |
| 9277 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Jun 2026 |
| 9278 | RMB Operating LLC | Lubbock, TX 79493 | Oil & Gas Operator | Jun 2026 |
| 9279 | RMC Petroleum, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 1996 |
| 9280 | Rme Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2002 |
| 9281 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 9282 | Rmor Production | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 9283 | RMR Oil Company | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2005 |
| 9284 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Jun 2026 |
| 9285 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 9286 | RNG Resources, LLC | Corpus Christ, TX 78413 | Gas Operator | Jun 2026 |
| 9287 | RNS Oil Co. | Rio Grande Ci, TX 78582 | Oil Operator | Jun 2026 |
| 9288 | Ro-Jo, Inc. | Highland VLG, TX 75077 | Oil & Gas Operator | Aug 2003 |
| 9289 | Roach, R. Byron Trustee | Judson, TX 75660 | Oil & Gas Operator | Mar 1999 |
| 9290 | Roach, R. Byron, Trustee, LLC | Judson, TX 75660 | Oil & Gas Operator | Mar 2007 |
| 9291 | Road Oil Sales Inc. | Tyler, TX 75711 | Oil Operator | Dec 1984 |
| 9292 | Roanoke Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 1995 |
| 9293 | Roaring Springs Energy, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2010 |
| 9294 | Rob-Joe Gas & Oil Co. | Ranger, TX 76470 | Oil & Gas Operator | Jun 2026 |
| 9295 | Robbins Petroleum Corp. | Longview, TX 75606 | Oil & Gas Operator | Sep 1994 |
| 9296 | Robbins, L. C. | Seguin, TX 78155 | Oil & Gas Operator | Aug 2003 |
| 9297 | Robby Kohutek, Inc. | Ballinger, TX 76821 | Oil & Gas Operator | Jun 2026 |
| 9298 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | Mar 2026 |
| 9299 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 9300 | Robert C. Brower, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jun 2026 |