| 6301 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 6302 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 6303 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Mar 2025 |
| 6304 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 6305 | Ware, Lonnie | | Oil & Gas Operator | Mar 2025 |
| 6306 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 6307 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 6308 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 6309 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | Mar 2025 |
| 6310 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 6311 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Jun 2025 |
| 6312 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2024 |
| 6313 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Mar 2025 |
| 6314 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2025 |
| 6315 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Mar 2025 |
| 6316 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 6317 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Mar 2025 |
| 6318 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 6319 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 6320 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 6321 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 6322 | Wasson Billy C | Morris, OK 74445 | Oil & Gas Operator | Mar 2025 |
| 6323 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Apr 2025 |
| 6324 | Waterford Energy Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 1998 |
| 6325 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Mar 2025 |
| 6326 | Watertech Disposal | Enid, OK 73702-0125 | Oil Operator | Sep 2007 |
| 6327 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Apr 2025 |
| 6328 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 6329 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 6330 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |
| 6331 | Watson Fred S Revocable Trust | Muskogee, OK 74402-1928 | Oil Operator | Nov 2017 |
| 6332 | Watson Petroleum Inc | Wichita, KS 67208 | Oil & Gas Operator | May 2010 |
| 6333 | Watt, Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 6334 | Watt, Larry D | | Oil Operator | Aug 2024 |
| 6335 | Watts Keith | Bristow, OK 74010-4996 | Oil Operator | Jan 2025 |
| 6336 | Wave Energy LLC | Jennings, OK 74038 | Oil Operator | Apr 2025 |
| 6337 | Wavefront Energy & Envir Serv USA Inc | Edmonton, AB T6B3P6 | Oil Operator | Apr 2015 |
| 6338 | Wayside LTD | | Oil & Gas Operator | Jan 2015 |
| 6339 | Wce Corporation | Billings, MT 59102 | Oil Operator | Jul 1997 |
| 6340 | Weatherly Nell M Estate | Ada, OK 74821-0669 | Oil & Gas Operator | Feb 1997 |
| 6341 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 6342 | Weaver Energy Corporation | Hennessey, OK 73742-1232 | Oil & Gas Operator | Apr 2025 |
| 6343 | Webb Jess Oil Producer | | Oil Operator | Sep 2014 |
| 6344 | Webb John L Estate A Partner | Wichita Falls, TX 76302 | Oil Operator | May 2008 |
| 6345 | Webb Roy C | Davis, OK 73030 | Oil & Gas Operator | Apr 2025 |
| 6346 | Webbco | Bray, OK 73012 | Oil Operator | Aug 1998 |
| 6347 | Webber Wesley | Davis, OK 73030 | Oil & Gas Operator | Oct 2009 |
| 6348 | Wedgewood Resources USA Inc | Vancouver, BC V6B1V-9000 | Oil & Gas Operator | Jul 2003 |
| 6349 | Wehlu Producers Inc | Edmond, OK 73083-5278 | Oil & Gas Operator | Sep 2002 |
| 6350 | Weimer & Fitzhugh | Tulsa, OK 74103-4102 | Oil & Gas Operator | Dec 1993 |
| 6351 | Weinkauf Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2025 |
| 6352 | Weins Horton L | Sand Springs, OK 74063 | Oil & Gas Operator | Mar 2025 |
| 6353 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Jun 2025 |
| 6354 | Welch Energy LLC | Drumright, OK 74030 | Oil Operator | Apr 2025 |
| 6355 | Welch Family Trust | Ada, OK 74820-9643 | Oil & Gas Operator | Apr 2015 |
| 6356 | Well Renewal Inc | Tulsa, OK 74103-0091 | Oil Operator | Mar 2015 |
| 6357 | Wellco Energy Inc | Harrah, OK 73045 | Oil & Gas Operator | Mar 2025 |
| 6358 | Wellco Production LLC | Purcell, OK 73080-6833 | Oil & Gas Operator | Apr 2025 |
| 6359 | Wells Allen W | Barnsdall, OK 74002 | Oil & Gas Operator | Mar 2025 |
| 6360 | Wells Edward K | Sapulpa, OK 74066-4243 | Oil & Gas Operator | Jun 2004 |
| 6361 | Wells Jimme D | Ponca City, OK 74604 | Oil Operator | Mar 2025 |
| 6362 | Wenexco, Inc. | Streetman, TX 75859 | Oil & Gas Operator | Jun 2025 |
| 6363 | Wente Exploration Inc | Oklahoma City, OK 73102 | Gas Operator | Oct 2011 |
| 6364 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Apr 2025 |
| 6365 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
| 6366 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
| 6367 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 6368 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Mar 2025 |
| 6369 | West Fox SWD LLC | Ratliff City, OK 73481 | Oil Operator | Mar 2025 |
| 6370 | West Operating Company | Seminole, OK 74868-3851 | Oil & Gas Operator | Mar 2015 |
| 6371 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 6372 | Westend Operating LLC | Collinsville, OK 74021 | Oil Operator | Mar 2025 |
| 6373 | Western Division Investments Inc | Enid, OK 73701 | Oil & Gas Operator | Jul 2021 |
| 6374 | Western Farmers Electric Coop | Anadarko, OK 73005-0429 | Oil & Gas Operator | Apr 2012 |
| 6375 | Western Mountain Resources LLC | Cogan Station, PA 17728 | Oil & Gas Operator | Mar 2025 |
| 6376 | Western Natl Resource Expl LLC | Oklahoma City, OK 73154-0755 | Oil & Gas Operator | Mar 2015 |
| 6377 | Western Natural Resources Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2015 |
| 6378 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Mar 2025 |
| 6379 | Western Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jul 2014 |
| 6380 | Western Petroleum Company Inc | Tulsa, OK 74170-2676 | Oil & Gas Operator | Apr 2020 |
| 6381 | Western Products Corporation | Fairview, OK 73737 | Oil & Gas Operator | Nov 2004 |
| 6382 | Western Tank Trucks Inc | Hennessey, OK 73742 | Oil Operator | Jul 2011 |
| 6383 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 6384 | Westphal Oil & Gas Inc | Fort Smith, AR 72901-2199 | Oil & Gas Operator | Feb 2015 |
| 6385 | Westshore Operating Inc | Naples, FL 34109-0549 | Oil & Gas Operator | Dec 2011 |
| 6386 | Westside Wells Inc | Altus, OK 73521 | Oil & Gas Operator | Nov 2020 |
| 6387 | Weststar Oil & Gas Inc | Edmond, OK 73013 | Oil & Gas Operator | Apr 2025 |
| 6388 | Weststar Operating Company | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2015 |
| 6389 | Westwind Exploration Company | Oklahoma City, OK 73123 | Oil & Gas Operator | Oct 1998 |
| 6390 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 6391 | Wetzel Producing Company | Duncan, OK 73533-4602 | Oil & Gas Operator | Apr 2025 |
| 6392 | WF Operating LLC | Bartlesville, OK 74003 | Oil Operator | May 2023 |
| 6393 | WFD Oil Corporation | Edmond, OK 73012 | Oil & Gas Operator | Apr 2025 |
| 6394 | WFW Production Company, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Jun 2025 |
| 6395 | WG Oil & Gas LLC | Okmulgee, OK 74447-7862 | Oil & Gas Operator | Dec 2022 |
| 6396 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 6397 | Wheatland Oil Inc | Enid, OK 73702-1032 | Oil & Gas Operator | Mar 2015 |
| 6398 | Wheeler & Hanlin MFG Co Inc | Tulsa, OK 74148 | Oil Operator | Jun 1998 |
| 6399 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Mar 2025 |
| 6400 | Wheeler Energy, LLC | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2025 |