| 6401 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Feb 2026 |
| 6402 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 6403 | Wilshire Oil LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2026 |
| 6404 | Wilson Allen Dewayne | Okemah, OK 74859 | Oil & Gas Operator | Jan 2026 |
| 6405 | Wilson Charles R | Durant, OK 74701 | Oil Operator | Sep 2025 |
| 6406 | Wilson Claude | Loco, OK 73442-9404 | Oil & Gas Operator | Jan 2026 |
| 6407 | Wilson H Drew | Collinsville, OK 74021 | Oil Operator | Feb 2026 |
| 6408 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | May 2026 |
| 6409 | Wilson Salt Water Disposal Inc | | Oil Operator | Aug 2019 |
| 6410 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 6411 | Wilson, Clay S | | Oil Operator | Feb 2026 |
| 6412 | Wilson, W R | | Oil & Gas Operator | Feb 2026 |
| 6413 | Wilson, Warren C | | Oil Operator | Feb 2026 |
| 6414 | Wimberley James A | Dallas, TX 75229-6180 | Oil & Gas Operator | Nov 2014 |
| 6415 | Winchester Oil Corporation | Maysville, OK 73057-0600 | Oil & Gas Operator | Apr 2010 |
| 6416 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Jan 2026 |
| 6417 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 6418 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 6419 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 6420 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 6421 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 6422 | Winney Construction Company | Forks, WA 98331-0801 | Oil & Gas Operator | Jan 2013 |
| 6423 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 6424 | Winzeler Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2013 |
| 6425 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 6426 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 6427 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 6428 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 6429 | Witherspoon Joe A | Bells, TX 75414 | Oil Operator | Jul 2025 |
| 6430 | Withrow Oil Company Inc | Yukon, OK 73099-7712 | Oil & Gas Operator | Apr 2021 |
| 6431 | Witty Thomas E | Enid, OK 73703 | Oil & Gas Operator | Mar 2008 |
| 6432 | WJM Oil Inc | Shawnee, OK 74804-3203 | Oil & Gas Operator | Jan 2013 |
| 6433 | WLH Production LLC | Gainesville, TX 76240 | Oil Operator | May 2026 |
| 6434 | WLW Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Feb 2026 |
| 6435 | WM Energy LLC | Asher, OK 74826 | Oil & Gas Operator | Feb 2026 |
| 6436 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 |
| 6437 | WN Operating Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2026 |
| 6438 | Wohlford Properties Inc | Barling, AR 72923 | Gas Operator | Apr 2022 |
| 6439 | Wolf Creek Enterprises Inc | Stillwater, OK 74074-6965 | Oil Operator | Apr 2009 |
| 6440 | Wolf Energy, Limited Liability Company | Tulsa, OK 74145 | Oil Operator | Jan 2026 |
| 6441 | Wolf Howard Lee | Burneyville, OK 73430-9617 | Oil & Gas Operator | Jun 2000 |
| 6442 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 6443 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 6444 | Wonee Oil Company | Healdton, OK 73438 | Oil Operator | Jul 1996 |
| 6445 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 6446 | Wood Oil Company | Tulsa, OK 74103 | Gas Operator | Oct 1997 |
| 6447 | Woodland Operating LLC | Rio VIsta, TX 76093-0010 | Oil & Gas Operator | Jan 2026 |
| 6448 | Woods Henry Dba Woods Oil Company | Madill, OK 73446 | Oil Operator | Dec 2025 |
| 6449 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | May 2026 |
| 6450 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 6451 | Woodward Disposal Company Inc | Woodward, OK 73801-3234 | Oil & Gas Operator | Sep 2013 |
| 6452 | Woodward Iodine Corporation | Woodward, OK 73801 | Oil & Gas Operator | Feb 2026 |
| 6453 | Woolever Stephen L | Tulsa, OK 74108-2303 | Oil Operator | Jul 2024 |
| 6454 | Woolsey Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jan 2026 |
| 6455 | Work John | Tulsa, OK 74135 | Oil Operator | Dec 1996 |
| 6456 | World Oil | | Oil & Gas Operator | Nov 1998 |
| 6457 | Worldwide Energy Corporation | Freer, TX 78357 | Oil & Gas Operator | Jan 1997 |
| 6458 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 6459 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 6460 | Worstell Oil Co LLC | Collinsville, OK 74021-5918 | Oil Operator | Dec 2025 |
| 6461 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 6462 | WP Oil LLC | Owasso, OK 74055 | Oil Operator | Feb 2026 |
| 6463 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 6464 | WR Oil & Gas LLC | Plano, TX 75024-3523 | Oil & Gas Operator | Feb 2026 |
| 6465 | Wrather Jr J D | Beverly Hills, CA 90210-4724 | Oil & Gas Operator | Mar 1993 |
| 6466 | Wright Jerry L | Crescent, OK 73028-0474 | Oil & Gas Operator | Jun 2013 |
| 6467 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 6468 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | May 2026 |
| 6469 | Wright Richard | Ratliff City, OK 73481-0155 | Oil & Gas Operator | Mar 2015 |
| 6470 | Wright V Gerald | Cushing, OK 74023 | Oil & Gas Operator | Nov 2003 |
| 6471 | Wroten Wiley Jr | Dallas, TX 75252 | Oil & Gas Operator | Jun 1994 |
| 6472 | WW Park 51 LLC | Claremore, OK 74017 | Oil Operator | Jan 2026 |
| 6473 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 6474 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 6475 | Wyatt'S Oil Corporation | | Oil & Gas Operator | Feb 2026 |
| 6476 | Wylie Henry C | Ratliff City, OK 73481-0102 | Oil Operator | May 2020 |
| 6477 | Wynn-Crosby Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Jan 2026 |
| 6478 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2026 |
| 6479 | X-Bar LMT Partnership | | Oil & Gas Operator | May 2013 |
| 6480 | X-Bar Resources Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jul 2013 |
| 6481 | Xae Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2021 |
| 6482 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Feb 2026 |
| 6483 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 6484 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 6485 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2026 |
| 6486 | Xutapa Properties LLC | | Oil & Gas Operator | Feb 2026 |
| 6487 | Y D F Inc | Oklahoma City, OK 73128 | Oil & Gas Operator | Mar 2026 |
| 6488 | Yager Company | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2000 |
| 6489 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Feb 2026 |
| 6490 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |
| 6491 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |
| 6492 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Feb 2026 |
| 6493 | Yates, Earl R | | Oil Operator | Mar 2015 |
| 6494 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 6495 | Yerby Bill | Ada, OK 74820-5404 | Oil Operator | Jan 2012 |
| 6496 | Yeubanks Barbara | Cromwell, OK 74837 | Oil Operator | Feb 2026 |
| 6497 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 6498 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 6499 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 6500 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |