| 23301 | R & M Energy | Gonzales, TX 78629 | Oil & Gas Operator | Mar 2006 |
| 23302 | R & M Oil Co. | Fredonia, KS 66736 | Oil & Gas Operator | Aug 2002 |
| 23303 | R & M Oil, LLC | Loco Hills, NM 882550011 | Oil & Gas Operator | May 2025 |
| 23304 | R & N Associates | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2025 |
| 23305 | R & N Associates,Etal Glen Neubert, Agent | Dallas, TX 75244-5100 | Oil Operator | Sep 2005 |
| 23306 | R & N Oil Company | Fairfax, OK 74637 | Oil & Gas Operator | May 2013 |
| 23307 | R & N Resources LLC | Bear Lake, PA 16402-2926 | Oil & Gas Operator | Dec 2025 |
| 23308 | R & P Oil Co. | | Oil & Gas Operator | Jul 2014 |
| 23309 | R & P Operating | Tuscola, TX 79562 | Oil & Gas Operator | Jun 1997 |
| 23310 | R & R Energy, LTD. | Muenster, TX 76252 | Oil Operator | Sep 2026 |
| 23311 | R & R Entertainment Inc. | | Oil & Gas Operator | Dec 2011 |
| 23312 | R & R Oil & Gas LLC | Mesquite, TX 75150 | Oil & Gas Operator | Sep 2026 |
| 23313 | R & R Oil Company | Pampa, TX 79065 | Oil & Gas Operator | Jul 2002 |
| 23314 | R & R Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2004 |
| 23315 | R & R Partners | | Oil Operator | Oct 2009 |
| 23316 | R & R Production Company | | Oil Operator | Feb 2000 |
| 23317 | R & R Production, Inc. | | Oil & Gas Operator | Feb 1990 |
| 23318 | R & R Well Service | Fort Worth, TX 76120 | Oil & Gas Operator | Jan 2005 |
| 23319 | R & R Well Service, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Sep 2026 |
| 23320 | R & S Energy Company | Luling, TX 78648 | Oil & Gas Operator | Dec 2010 |
| 23321 | R & S Energy, Inc. | Snook, TX 77878 | Oil & Gas Operator | Sep 2026 |
| 23322 | R & S Exploration & Production | Lawton, OK 73501 | Oil Operator | Jan 1996 |
| 23323 | R & S Investments | Tulsa, OK 74146-4743 | Oil Operator | Aug 2013 |
| 23324 | R & S Oil Company | Tonkawa, OK 74653 | Oil & Gas Operator | Nov 2013 |
| 23325 | R & S Oil Production Co. | Luling, TX 78648 | Oil & Gas Operator | Sep 2026 |
| 23326 | R & S Operating | Perry, OK 73077 | Oil & Gas Operator | Jan 2013 |
| 23327 | R & S Resource LLC | Kellyville, OK 74039 | Oil Operator | Apr 2026 |
| 23328 | R & W Energies - | | Oil Operator | Sep 1995 |
| 23329 | R & W Energies LLC | Eureka, KS 67045 | Oil Operator | May 2026 |
| 23330 | R & W Energies-Agency Account | | Oil Operator | Jan 1996 |
| 23331 | R - J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 23332 | R A M Corporation | Blackwell, OK 74631-0045 | Oil & Gas Operator | Jun 2026 |
| 23333 | R A Miller Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2020 |
| 23334 | R A Nobile | | Oil & Gas Operator | Nov 1989 |
| 23335 | R And B Energy Co LLC | | Oil Operator | Dec 2011 |
| 23336 | R B Energy Inc | Manchester, KY 40962 | Oil & Gas Operator | Jan 2015 |
| 23337 | R B Robertson & Son Gas & Oil Co LP | New Bethlehem, PA 16242-0190 | Oil & Gas Operator | Dec 2024 |
| 23338 | R Baker Oil LLC | Okemah, OK 74859 | Oil & Gas Operator | Jul 2026 |
| 23339 | R C Bennett Co | Midland, TX 79702 | Oil & Gas Operator | Jan 2019 |
| 23340 | R C Henderson Jr | | Oil Operator | Dec 1990 |
| 23341 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Oct 2025 |
| 23342 | R C Oil Company Inc | Nowata, OK 74048-3402 | Oil Operator | Nov 2021 |
| 23343 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2025 |
| 23344 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2026 |
| 23345 | R Cubed L L C | | Oil & Gas Operator | Dec 2023 |
| 23346 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 23347 | R D V, Inc. | | Oil Operator | May 2004 |
| 23348 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Jul 2026 |
| 23349 | R E Gas Development LLC | State College, PA 16801 | Oil & Gas Operator | Sep 2018 |
| 23350 | R E Riley & Company | Charleston, WV 25301 | Gas Operator | Dec 2024 |
| 23351 | R E Sitta Jr | Farmington, NM 874991230 | Oil & Gas Operator | Aug 2011 |
| 23352 | R F Oil | | Oil & Gas Operator | Oct 1992 |
| 23353 | R H Energy Co Inc | | Oil & Gas Operator | Sep 1989 |
| 23354 | R H Penick Co LTD | Baltimore, OH 43105 | Oil & Gas Operator | Dec 2025 |
| 23355 | R H Penick Operating | Heath, OH 43056 | Gas Operator | Dec 2024 |
| 23356 | R H S Inc | Ada, OK 74821-1252 | Oil & Gas Operator | Apr 2020 |
| 23357 | R H Well Service, Inc. | Big Spring, TX 79720 | Oil Operator | Sep 2026 |
| 23358 | R Harris Gas & Oil Inc | Apollo, PA 15613-9636 | Oil & Gas Operator | Dec 2025 |
| 23359 | R I G Drilling Inc | Fredericktown, OH 43019 | Oil & Gas Operator | Dec 1993 |
| 23360 | R I G Producers Inc | Dewey, OK 74029 | Oil & Gas Operator | Jul 1999 |
| 23361 | R J Exploration LLC | Konawa, OK 74849 | Oil & Gas Operator | Jul 2026 |
| 23362 | R J Operating Company | Albany, TX 76430 | Oil & Gas Operator | May 2026 |
| 23363 | R Joseph & Shelby J Maney | Warren, PA 16365-3670 | Oil & Gas Operator | Dec 2025 |
| 23364 | R K Petroleum Corp. | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 23365 | R K R Exploration | Seminole, OK 74868-9754 | Oil & Gas Operator | Mar 2015 |
| 23366 | R L Clampitt & Associates LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Jul 2026 |
| 23367 | R L Kelly, SR. | | Oil Operator | Feb 2009 |
| 23368 | R L Operating Co LLC | | Oil Operator | Aug 2024 |
| 23369 | R L P Gulf States, LLC | | Oil & Gas Operator | Apr 2012 |
| 23370 | R L Turner Oil Company LLC | Duncan, OK 73533 | Oil Operator | Jun 2026 |
| 23371 | R M Oil & Gas Co | | Oil Operator | Jul 1999 |
| 23372 | R M S Oil & Gas | Amarillo, TX 79101-2445 | Oil & Gas Operator | Sep 1997 |
| 23373 | R R & M Oil | Okmulgee, OK 74447-8534 | Oil & Gas Operator | Oct 2015 |
| 23374 | R R Operation Inc | Cross Plains, TX 76443 | Oil & Gas Operator | Apr 2004 |
| 23375 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 23376 | R S E Partners-I LP | Oklahoma City, OK 731025261 | Oil & Gas Operator | Feb 2000 |
| 23377 | R S V Co, Inc | Pikeville, KY 41501 | Gas Operator | Dec 2021 |
| 23378 | R W Operating | Graford, TX 76449 | Oil & Gas Operator | Dec 2016 |
| 23379 | R W Production Company Inc | Ada, OK 74821-2693 | Oil & Gas Operator | Apr 2011 |
| 23380 | R W Ranch | San Antonio, TX 78211 | Oil Operator | Sep 2026 |
| 23381 | R Wolfe Oil & Gas LLC | Athens, OH 45701 | Oil & Gas Operator | Dec 2025 |
| 23382 | R&D Enterprises- | | Oil Operator | Dec 1988 |
| 23383 | R&F Operating Company | Carthage, TX 75633 | Oil Operator | Sep 2026 |
| 23384 | R&K Oil Co. | Nocona, TX 76255 | Oil & Gas Operator | Sep 2026 |
| 23385 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Jul 2026 |
| 23386 | R&R Resources Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2015 |
| 23387 | R&R Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 23388 | R-A-R Interests | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2003 |
| 23389 | R-Jann-N Oil | | Oil Operator | Dec 1999 |
| 23390 | R. & R. Exploration, Inc. | Denton, TX 76202 | Oil Operator | Nov 1993 |
| 23391 | R. A. Bridges | | Oil Operator | Jun 1991 |
| 23392 | R. A. Campbell Company | | Oil & Gas Operator | Nov 1995 |
| 23393 | R. B. Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Nov 1996 |
| 23394 | R. C. Production | | Oil & Gas Operator | Nov 2024 |
| 23395 | R. D. Briscoe, Inc. | | Oil & Gas Operator | Nov 2024 |
| 23396 | R. D. Energy, Inc. | Sedan, KS 67361 | Oil Operator | May 2026 |
| 23397 | R. D. Finnesy Oil | | Oil Operator | Nov 2019 |
| 23398 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2025 |
| 23399 | R. E. Markham | | Oil & Gas Operator | Mar 1995 |
| 23400 | R. E. Markham Et Al | | Gas Operator | Jun 1996 |