| 25301 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 25302 | Ross Bobby L | Okmulgee, OK 74447-8802 | Oil & Gas Operator | Apr 2020 |
| 25303 | Ross Curtis | Ada, OK 74820-1354 | Oil & Gas Operator | Feb 2012 |
| 25304 | Ross Engineering, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 25305 | Ross Exploration,Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2013 |
| 25306 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jan 2025 |
| 25307 | Ross Gas And Oil, LTD. Co. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Jul 2025 |
| 25308 | Ross Operating Company | Shreveport, LA 71163 | Oil & Gas Operator | May 1996 |
| 25309 | Ross Prod. - Zwahlen & Raish | | Oil & Gas Operator | Sep 1998 |
| 25310 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 25311 | Ross, Dwight M. DRLG. Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2025 |
| 25312 | Ross, Mike Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 25313 | Ross-A. J. Hodges Ind. | | Oil & Gas Operator | Dec 1980 |
| 25314 | Ross-Rippy | Tyler, TX 75702 | Oil & Gas Operator | Oct 2002 |
| 25315 | Rossi, Paul | FT Meade, FL 33841 | Oil Operator | Dec 2023 |
| 25316 | Rosson Et Al | | Oil Operator | Aug 1983 |
| 25317 | Rosson Exploration Company | | Oil & Gas Operator | Apr 2005 |
| 25318 | Rosson, Robert K. | Novice, TX 79538 | Oil & Gas Operator | Aug 2003 |
| 25319 | Roswell Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2019 |
| 25320 | Rotation, Incorporated | Houston, TX 77057 | Oil & Gas Operator | Mar 2023 |
| 25321 | Roth Gary E | Tonkawa, OK 74653-2033 | Oil & Gas Operator | Jan 2020 |
| 25322 | Rothschild Oil Co. | | Oil Operator | Dec 1982 |
| 25323 | Rougeot Oil & Gas Corp | Sperry, OK 74073 | Oil & Gas Operator | Apr 2025 |
| 25324 | Rough Creek Energy LLC | Mandeville, LA 70471 | Oil Operator | Dec 2023 |
| 25325 | Rough Creek Exploration, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Jan 1996 |
| 25326 | Rough Hollow Ranch Corporation | Dallas, TX 75209 | Oil Operator | Aug 2006 |
| 25327 | Rough Rider Oil LLC | Booker, TX 79005-0427 | Oil & Gas Operator | May 2025 |
| 25328 | Roughhouse Oil & Gas LLC | | Oil & Gas Operator | May 2025 |
| 25329 | Roughhouse Operating, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2025 |
| 25330 | Roughneck L.L.C. | | Oil Operator | Jan 2025 |
| 25331 | Roule Production Company | Bay City, TX 77414 | Oil & Gas Operator | Feb 1997 |
| 25332 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 25333 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748-3406 | Oil & Gas Operator | May 2025 |
| 25334 | Roulston Pat | Konawa, OK 74849-4020 | Oil Operator | May 2025 |
| 25335 | Round Rock Resources, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Sep 2012 |
| 25336 | Roundtree & Associates, Inc. | | Oil & Gas Operator | Jun 2024 |
| 25337 | Roundup Oil LLC | Springer, OK 73458 | Oil & Gas Operator | May 2025 |
| 25338 | Rountree Productions LLC | | Oil Operator | Apr 2025 |
| 25339 | Rountree/Wright Enterprises LLC | | Oil Operator | May 2025 |
| 25340 | Routh Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2011 |
| 25341 | Rouxopco LLC | | Oil Operator | Dec 2024 |
| 25342 | Rouzer Oil Company | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 25343 | Rover Construction, LLC | | Oil Operator | Dec 2023 |
| 25344 | Rover Operating Company, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 25345 | Rover Operating Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2000 |
| 25346 | Rover Operating, LLC | Chicago, IL 60606 | Oil & Gas Operator | May 2025 |
| 25347 | Rover Operations Inc | Richardson, TX 75080 | Oil & Gas Operator | Sep 1998 |
| 25348 | Rover Petroleum Operating, LLC | Plano, TX 75075 | Oil & Gas Operator | Jul 2025 |
| 25349 | Rovig Minerals, Inc. | | Oil & Gas Operator | May 2020 |
| 25350 | Rovsek Adolph E | | Oil & Gas Operator | Oct 1991 |
| 25351 | Rowan, Al | Van, TX 75790 | Oil & Gas Operator | Apr 2021 |
| 25352 | Rowan-Ungerecht, Inc. | Van, TX 75790 | Oil & Gas Operator | Sep 1993 |
| 25353 | Rowden Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 25354 | Rowden, John A. | Chanute, KS 66720 | Oil Operator | Oct 1998 |
| 25355 | Rowe Energy | Beggs, OK 74421-0240 | Oil & Gas Operator | Mar 2015 |
| 25356 | Rowe Oil And Gas, Inc. | | Oil & Gas Operator | Jun 1999 |
| 25357 | Rowe Oil Co. | | Oil Operator | Jan 2002 |
| 25358 | Rowe Stephen Oil Properties LLC | Hunt, TX 78024 | Oil & Gas Operator | Apr 2020 |
| 25359 | Rowe, Inc. | | Oil & Gas Operator | Jun 1992 |
| 25360 | Rowland Tank Truck Company | Sherman, TX 75090 | Oil & Gas Operator | Jul 2025 |
| 25361 | Rowland, David M. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 25362 | Rowland, Rex D. | Midland, TX 79701 | Oil & Gas Operator | Dec 2017 |
| 25363 | Rowland, Rex D. Estate Of | Dallas, TX 75252 | Oil & Gas Operator | Jul 2025 |
| 25364 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | May 2025 |
| 25365 | Roxana Corporati | | Oil & Gas Operator | Feb 1993 |
| 25366 | Roxanna Acadia, LLC | | Oil & Gas Operator | May 2023 |
| 25367 | Roxanna Nebraska, LLC | | Oil Operator | Dec 2023 |
| 25368 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 25369 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 25370 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Jul 2025 |
| 25371 | Roy D. Gish | | Oil & Gas Operator | Sep 2019 |
| 25372 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 25373 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 25374 | Roy G Oil Company | Drumright, OK 74030-1236 | Oil & Gas Operator | Oct 1995 |
| 25375 | Roy Jackson Energy Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 25376 | Roy L Ashton Oil & Gas Production Inc | Sapulpa, OK 74066 | Oil Operator | May 2025 |
| 25377 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 25378 | Roy M. Teel | | Oil & Gas Operator | Nov 1983 |
| 25379 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 25380 | Roya Resources LLC | | Oil & Gas Operator | Mar 2022 |
| 25381 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 25382 | Royal Carolina Producers, LLC | | Oil Operator | Dec 2015 |
| 25383 | Royal Drilling Inc | Russell, KS 67665 | Oil Operator | Mar 2025 |
| 25384 | Royal Energy Resources LTD | Denver, CO 80221 | Oil & Gas Operator | May 2013 |
| 25385 | Royal Energy, Inc. | Dodge City, KS 67801 | Oil Operator | Dec 2019 |
| 25386 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 25387 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 25388 | Royal Oil LLC | Flower Mound, TX 75028 | Oil Operator | Dec 2015 |
| 25389 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 25390 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 25391 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2025 |
| 25392 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jan 2025 |
| 25393 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 25394 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2025 |
| 25395 | Royal Resources Corporation | | Oil & Gas Operator | Dec 2008 |
| 25396 | Royal Resources Exploration | | Oil & Gas Operator | Mar 1984 |
| 25397 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 25398 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Jul 2025 |
| 25399 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2025 |
| 25400 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2025 |