| 26201 | Rosenthal, Stanley H. | Bay City, TX 77404 | Oil & Gas Operator | Dec 2020 |
| 26202 | Rosestone Operating Company, LLC | | Oil & Gas Operator | Dec 2024 |
| 26203 | Rosetta Energy Partners, L P | Dallas, TX 75219 | Oil & Gas Operator | Jul 2009 |
| 26204 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2026 |
| 26205 | Rosewood Resources (HPC), Inc. | | Gas Operator | Dec 1984 |
| 26206 | Rosewood Resources (Poc), Inc. | | Oil & Gas Operator | Dec 1984 |
| 26207 | Rosewood Resources Inc | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 26208 | Roskydal, Laverne | La Vernia, TX 78121 | Oil Operator | Feb 2026 |
| 26209 | Rosner, S. | San Antonio, TX 78216 | Oil & Gas Operator | Aug 1996 |
| 26210 | Ross & Glenn Petroleum Inc. | | Oil & Gas Operator | Aug 1984 |
| 26211 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 26212 | Ross Bobby L | Okmulgee, OK 74447-8802 | Oil & Gas Operator | Apr 2020 |
| 26213 | Ross Curtis | Ada, OK 74820-1354 | Oil & Gas Operator | Feb 2012 |
| 26214 | Ross Engineering, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Feb 2026 |
| 26215 | Ross Exploration,Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2013 |
| 26216 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jan 2025 |
| 26217 | Ross Gas And Oil, LTD. Co. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Feb 2026 |
| 26218 | Ross Operating Company | Shreveport, LA 71163 | Oil & Gas Operator | May 1996 |
| 26219 | Ross Prod. - Zwahlen & Raish | | Oil & Gas Operator | Sep 1998 |
| 26220 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 26221 | Ross, Dwight M. DRLG. Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 26222 | Ross, Mike Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 26223 | Ross-A. J. Hodges Ind. | | Oil & Gas Operator | Dec 1980 |
| 26224 | Ross-Rippy | Tyler, TX 75702 | Oil & Gas Operator | Oct 2002 |
| 26225 | Rossi, Paul | FT Meade, FL 33841 | Oil Operator | Dec 2023 |
| 26226 | Rosson Et Al | | Oil Operator | Aug 1983 |
| 26227 | Rosson Exploration Company | | Oil & Gas Operator | Apr 2005 |
| 26228 | Rosson, Robert K. | Novice, TX 79538 | Oil & Gas Operator | Aug 2003 |
| 26229 | Roswell Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2019 |
| 26230 | Rotation, Incorporated | Houston, TX 77057 | Oil & Gas Operator | Mar 2023 |
| 26231 | Roth Gary E | Tonkawa, OK 74653-2033 | Oil & Gas Operator | Jan 2020 |
| 26232 | Rothschild Oil Co. | | Oil Operator | Dec 1982 |
| 26233 | Rougeot Oil & Gas Corp | Sperry, OK 74073 | Oil & Gas Operator | Nov 2025 |
| 26234 | Rough Creek Energy LLC | Mandeville, LA 70471 | Oil Operator | Dec 2023 |
| 26235 | Rough Creek Exploration, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Jan 1996 |
| 26236 | Rough Hollow Ranch Corporation | Dallas, TX 75209 | Oil Operator | Aug 2006 |
| 26237 | Rough Rider Oil LLC | Booker, TX 79005-0427 | Oil & Gas Operator | Dec 2025 |
| 26238 | Roughhouse Oil & Gas LLC | | Oil & Gas Operator | Dec 2025 |
| 26239 | Roughhouse Operating, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 26240 | Roughneck L.L.C. | | Oil Operator | Jan 2025 |
| 26241 | Roule Production Company | Bay City, TX 77414 | Oil & Gas Operator | Feb 1997 |
| 26242 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 26243 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | Dec 2025 |
| 26244 | Roulston Pat | Konawa, OK 74849-4020 | Oil Operator | Dec 2025 |
| 26245 | Round Rock Resources, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Sep 2012 |
| 26246 | Round Up Oil II LLC | Springer, OK 73458 | Oil Operator | Nov 2025 |
| 26247 | Roundtree & Associates, Inc. | | Oil & Gas Operator | Jun 2024 |
| 26248 | Roundup Oil LLC | Springer, OK 73458 | Oil & Gas Operator | Dec 2025 |
| 26249 | Rountree Productions LLC | | Oil Operator | Nov 2025 |
| 26250 | Rountree/Wright Enterprises LLC | | Oil Operator | Dec 2025 |
| 26251 | Routh Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2011 |
| 26252 | Rouxopco LLC | | Oil Operator | Dec 2024 |
| 26253 | Rouzer Oil Company | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 26254 | Rover Construction, LLC | | Oil Operator | Dec 2023 |
| 26255 | Rover Operating Company, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 26256 | Rover Operating Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2000 |
| 26257 | Rover Operating, LLC | Chicago, IL 60606 | Oil & Gas Operator | Nov 2025 |
| 26258 | Rover Operations Inc | Richardson, TX 75080 | Oil & Gas Operator | Sep 1998 |
| 26259 | Rover Petroleum Operating, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Feb 2026 |
| 26260 | Rovig Minerals, Inc. | | Oil & Gas Operator | May 2020 |
| 26261 | Rovsek Adolph E | | Oil Operator | Oct 1991 |
| 26262 | Rowan, Al | Van, TX 75790 | Oil & Gas Operator | Apr 2021 |
| 26263 | Rowan-Ungerecht, Inc. | Van, TX 75790 | Oil & Gas Operator | Sep 1993 |
| 26264 | Rowden Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 26265 | Rowden, John A. | Chanute, KS 66720 | Oil Operator | Oct 1998 |
| 26266 | Rowe Energy | Beggs, OK 74421-0240 | Oil & Gas Operator | Mar 2015 |
| 26267 | Rowe Oil And Gas, Inc. | | Oil & Gas Operator | Jun 1999 |
| 26268 | Rowe Oil Co. | | Oil Operator | Jan 2002 |
| 26269 | Rowe Stephen Oil Properties LLC | Hunt, TX 78024 | Oil & Gas Operator | Apr 2020 |
| 26270 | Rowe, Inc. | | Oil & Gas Operator | Jun 1992 |
| 26271 | Rowes, Alvin | | Oil & Gas Operator | Dec 2002 |
| 26272 | Rowland Tank Truck Company | Whitewright, TX 75491 | Oil & Gas Operator | Feb 2026 |
| 26273 | Rowland, David M. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 26274 | Rowland, Rex D. | Midland, TX 79701 | Oil & Gas Operator | Dec 2017 |
| 26275 | Rowland, Rex D. Estate Of | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 26276 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Nov 2025 |
| 26277 | Roxana Corporati | | Oil & Gas Operator | Feb 1993 |
| 26278 | Roxanna Acadia, LLC | | Oil & Gas Operator | May 2023 |
| 26279 | Roxanna Nebraska, LLC | | Oil Operator | Dec 2023 |
| 26280 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 26281 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 26282 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 26283 | Roy D. Gish | | Oil & Gas Operator | Sep 2019 |
| 26284 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 26285 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 26286 | Roy G Oil Company | Drumright, OK 74030-1236 | Oil & Gas Operator | Oct 1995 |
| 26287 | Roy J. Keene, Jr. | | Oil & Gas Operator | Jul 1983 |
| 26288 | Roy Jackson Energy Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 26289 | Roy L Ashton Oil & Gas Production Inc | Sapulpa, OK 74066 | Oil Operator | Nov 2025 |
| 26290 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 26291 | Roy M. Teel | | Oil & Gas Operator | Nov 1983 |
| 26292 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 26293 | Roy, Dennis | | Gas Operator | Dec 2015 |
| 26294 | Roya Resources LLC | | Oil & Gas Operator | Mar 2022 |
| 26295 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 26296 | Royal Carolina Producers, LLC | | Oil Operator | Dec 2015 |
| 26297 | Royal Drilling Inc | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 26298 | Royal Energy Resources LTD | Denver, CO 80221 | Oil & Gas Operator | May 2013 |
| 26299 | Royal Energy, Inc. | Dodge City, KS 67801 | Oil Operator | Dec 2019 |
| 26300 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |