| 25301 | Rust Operating Co., Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Feb 2000 |
| 25302 | Rustler Energy LLC | Lindsay, OK 73052 | Oil & Gas Operator | Aug 2024 |
| 25303 | Ruth Oil Co, LLC | Eunice, NM 88231 | Oil Operator | Mar 2015 |
| 25304 | Ruth Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2010 |
| 25305 | Ruthco Oil, LLC | Eunice, NM 88231 | Oil Operator | May 2008 |
| 25306 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
| 25307 | Rutherford, Michael A. | Dallas, TX 75381 | Oil & Gas Operator | May 2000 |
| 25308 | Ruthson Energy, Inc. | Judson, TX 75660 | Oil Operator | Nov 2024 |
| 25309 | Rutledge, Kenny | Rising Star, TX 76471 | Oil & Gas Operator | Nov 2024 |
| 25310 | Rutledge, Rome | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 25311 | Rutledge-Newsom | Wichita Falls, TX 76309 | Oil Operator | Nov 2024 |
| 25312 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
| 25313 | RV Borchert Oil Producer | | Oil & Gas Operator | Dec 2023 |
| 25314 | Rvo Petroleum Co. | | Oil & Gas Operator | Feb 1982 |
| 25315 | RVR Operating Co. | Bedford, TX 76021 | Oil & Gas Operator | Jan 2017 |
| 25316 | RW Oil & Gas LLC | Lamont, OK 74643 | Oil & Gas Operator | Sep 2024 |
| 25317 | RW Oil Co | Lovington, NM BAD ADDR | Oil Operator | Nov 1994 |
| 25318 | RW Operating Corp. | Midland, TX 79702 | Oil & Gas Operator | Jul 2016 |
| 25319 | Rwa Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 1999 |
| 25320 | Rwa, LLC | Boyd, TX 76023 | Oil & Gas Operator | Nov 2024 |
| 25321 | Rwit Company Inc | Tulsa, OK 74131-4255 | Oil & Gas Operator | Jul 2018 |
| 25322 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 25323 | RWL Enterprises | | Oil & Gas Operator | Feb 2017 |
| 25324 | RWS Operating Co. LLC | Kilgore, TX 75663 | Oil Operator | Nov 2024 |
| 25325 | Ry-Co Petroleum | Wann, OK 74083-2052 | Oil & Gas Operator | Feb 2017 |
| 25326 | Ryan Exploration, Inc. | | Oil & Gas Operator | Mar 2012 |
| 25327 | Ryan Petroleum Corp | Oklahoma City, OK 73102-9024 | Oil & Gas Operator | Aug 1994 |
| 25328 | Ryan R Roberts Cattle Co LLC | Sand Springs, OK 74063 | Oil Operator | Aug 2024 |
| 25329 | Ryan, Daniel J. | Oklahoma City, OK 73139 | Oil Operator | Sep 2003 |
| 25330 | Ryan, Joseph G. | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 25331 | Ryan, Kristen S. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 25332 | Ryann Operating, LLC | Waller, TX 77484 | Oil & Gas Operator | Nov 2024 |
| 25333 | Ryca Energy Partners LLC | | Oil Operator | May 2024 |
| 25334 | Ryca Energy, LLC | | Oil & Gas Operator | Mar 2015 |
| 25335 | Ryder Scott Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 25336 | Ryder Scott Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2005 |
| 25337 | Ryholland Fielder, Inc | Delray Beach, FL 33446 | Oil & Gas Operator | Nov 2024 |
| 25338 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Nov 2024 |
| 25339 | S & B Oil Company | Wyonna, OK 74084 | Oil & Gas Operator | Nov 2005 |
| 25340 | S & B Oil Oper - | | Oil Operator | Dec 1996 |
| 25341 | S & B Operating LLC | Overland Park, KS 66202 | Oil Operator | Apr 2022 |
| 25342 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Nov 2024 |
| 25343 | S & C Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2021 |
| 25344 | S & C Oil Co. Inc. | | Oil & Gas Operator | Sep 2024 |
| 25345 | S & C Resources Inc | Cleveland, OK 74020 | Oil Operator | Aug 2024 |
| 25346 | S & D Energy Associates Inc. | | Gas Operator | Dec 1986 |
| 25347 | S & D Partnership | Eunice, NM 88231 | Oil Operator | Aug 2024 |
| 25348 | S & F Energy LLC | Ponca City, OK 74601-1618 | Oil Operator | Aug 2024 |
| 25349 | S & G Operating LLC | McLoud, OK 74851 | Oil & Gas Operator | Sep 2024 |
| 25350 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 25351 | S & H Oilfield Enterprises | | Oil & Gas Operator | Sep 2023 |
| 25352 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Nov 2024 |
| 25353 | S & H Tank Service Of Okla | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2017 |
| 25354 | S & H Wells | Iowa Park, TX 76367 | Oil Operator | Nov 2024 |
| 25355 | S & J Oil | Hays, KS 67601 | Oil & Gas Operator | Aug 2024 |
| 25356 | S & J Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Aug 2022 |
| 25357 | S & J Oil Company | Ellinwood, KS 67526 | Oil Operator | Jun 2000 |
| 25358 | S & J Operating | | Oil Operator | May 1989 |
| 25359 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 25360 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 25361 | S & K Oil Compan | | Oil Operator | Sep 1989 |
| 25362 | S & K Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jul 1994 |
| 25363 | S & K Oil Production, Inc. | Blue Mound, KS 66010 | Oil Operator | Jul 2024 |
| 25364 | S & L Energy, Inc.C/O John D. Lawrence, Jr. | Fishtail, MT 59028 | Oil Operator | Jun 2024 |
| 25365 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 25366 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 25367 | S & M Oil | Hays, KS 67601 | Oil Operator | Aug 2003 |
| 25368 | S & M Oil - Craw | | Oil Operator | Dec 1995 |
| 25369 | S & M Production Inc | Pawnee, OK 74058 | Oil & Gas Operator | Aug 2023 |
| 25370 | S & M Royalty | Andrews, TX 79714 | Oil & Gas Operator | Jan 1997 |
| 25371 | S & N Energies, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2002 |
| 25372 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 25373 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 25374 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 25375 | S & R Operating | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 25376 | S & S & H Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jul 2004 |
| 25377 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |
| 25378 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 25379 | S & S Oil | Ponca City, OK 74601 | Oil & Gas Operator | Dec 2009 |
| 25380 | S & S Oil & Gas Corporation | Okemah, OK 74859-0659 | Oil & Gas Operator | Sep 2014 |
| 25381 | S & S Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Jul 2016 |
| 25382 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Nov 2024 |
| 25383 | S & S Oil Company LLC | | Oil Operator | Sep 2024 |
| 25384 | S & S Oil Leasing | Chase, KS 67524 | Oil Operator | Jul 2024 |
| 25385 | S & S Oil, L.L.C. | Chase, KS 67524 | Oil Operator | Jul 2024 |
| 25386 | S & S Operating | Dumas, TX 79029 | Oil Operator | Nov 2024 |
| 25387 | S & S Operating Company, Inc. | Winnie, TX 77665 | Oil & Gas Operator | Nov 2024 |
| 25388 | S & S Production Company | Walters, OK 73572-1451 | Oil Operator | Jul 2024 |
| 25389 | S & S Production, LLC | Parkersburg, OH 26101 | Oil & Gas Operator | Aug 2021 |
| 25390 | S & S Star Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2023 |
| 25391 | S & S Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 1998 |
| 25392 | S & T Oil Compan | | Oil Operator | Feb 1984 |
| 25393 | S & T Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2001 |
| 25394 | S & T SVC & Supply Inc | Pleasantville, PA 16341-2817 | Oil & Gas Operator | Dec 2023 |
| 25395 | S & T SWD LLC | Clinton, OK 73601-3130 | Oil Operator | Feb 2017 |
| 25396 | S & V Oil Incorp | | Oil & Gas Operator | Apr 1990 |
| 25397 | S & V Operating | Zephyr, TX 76890 | Oil & Gas Operator | Nov 2024 |
| 25398 | S & W Drilling C | | Oil Operator | May 1985 |
| 25399 | S & W Engine Supply | Oklahoma City, OK 73107 | Oil Operator | Jun 2003 |
| 25400 | S & W Engine Supply Inc | Oklahoma City, OK 73143 | Oil Operator | Jan 2000 |