| 32401 | Wind River Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 32402 | Wind River Exploration | Powell, WY 82435 | Oil & Gas Operator | Nov 2025 |
| 32403 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Jun 2025 |
| 32404 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |
| 32405 | Wind River Resources Corp | Park City, UT 84098 | Oil & Gas Operator | Jan 2020 |
| 32406 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 32407 | Winder Oil Company | | Oil Operator | Jun 2025 |
| 32408 | Windfall Oil & Gas Inc | Falls Creek, PA 15840-2617 | Gas Operator | Dec 2024 |
| 32409 | Windfohr Oil Company | | Oil & Gas Operator | May 1980 |
| 32410 | Windgate Oil Com | | Oil Operator | Jul 1985 |
| 32411 | Windham Oil Company | | Oil & Gas Operator | Dec 1987 |
| 32412 | Windham Oil Corp. | | Oil & Gas Operator | Dec 2024 |
| 32413 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Dec 2025 |
| 32414 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 32415 | Windham, L. E. | Rankin, TX 79778 | Oil & Gas Operator | Dec 1996 |
| 32416 | Windham, L.E. Estate Of | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 32417 | Windler-Doudna, A General Partnership | | Oil Operator | Sep 2000 |
| 32418 | Windmill Oil Company | Austin, TX 78747 | Oil & Gas Operator | Mar 2008 |
| 32419 | Windmill Windy Acres Farm, LLC | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 32420 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Dec 2025 |
| 32421 | Windridge Operating LLC | | Oil & Gas Operator | Nov 2025 |
| 32422 | Windrush Operating Co., L.L.C. | Longville, LA 70652 | Oil & Gas Operator | Dec 2025 |
| 32423 | Windrush Operating Company | | Oil & Gas Operator | Jan 2009 |
| 32424 | Winds Exploration And Production, LLC | Houston, TX 77032 | Gas Operator | Jan 2024 |
| 32425 | Windsor Associates Inc | Fairlawn, OH 44333-4006 | Oil & Gas Operator | Dec 2012 |
| 32426 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 32427 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 32428 | Windsor Exploration Company | Dallas, TX 75204 | Oil & Gas Operator | Jan 1994 |
| 32429 | Windsor Gas Corporation | | Oil & Gas Operator | Aug 1989 |
| 32430 | Windsor Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2012 |
| 32431 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 32432 | Windy Cove Energy II, LLC | Houston, TX 77079 | Oil & Gas Operator | Sep 2020 |
| 32433 | Wineglass Production, LLC | Ranger, TX 76470 | Oil Operator | Dec 2025 |
| 32434 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 32435 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | May 2025 |
| 32436 | Wineridge Inc. | Austin, TX 78747 | Oil Operator | Dec 2025 |
| 32437 | Winfall Energy Inc N V | Vandergrift, PA 15690-2001 | Oil & Gas Operator | Dec 2024 |
| 32438 | Winfield Operating Company | Dallas, TX 75214 | Oil & Gas Operator | Dec 2025 |
| 32439 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 32440 | Wing Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2000 |
| 32441 | Wingrove Operating, LLC | Odessa, TX 79760 | Oil Operator | Dec 2025 |
| 32442 | Wingrove Well Service, Inc. | Lueders, TX 79533 | Oil & Gas Operator | Nov 2023 |
| 32443 | Winkler L W & Son | Denver, CO 80222 | Oil & Gas Operator | Dec 2001 |
| 32444 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2025 |
| 32445 | Winn Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 32446 | Winney Construction Company | Forks, WA 98331-0801 | Oil & Gas Operator | Jan 2013 |
| 32447 | Winona Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 32448 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2025 |
| 32449 | Winslow Operating Company, LLC | Austin, TX 78737 | Oil & Gas Operator | Dec 2025 |
| 32450 | Winslow, Harry C. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 32451 | Winston Land & Cattle Co., Inc. | Lufkin, TX 75901 | Oil & Gas Operator | Feb 2001 |
| 32452 | Winston Land & Cattle I, LTD. | Lufkin, TX 75902 | Oil & Gas Operator | Nov 2014 |
| 32453 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Sep 2025 |
| 32454 | Winter Ridge Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2011 |
| 32455 | Winter'S Railroad Service, Inc | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 32456 | Winterfield Corp | | Oil Operator | Nov 2024 |
| 32457 | Winterscheid Oil, LLC | Olpe, KS 66865 | Oil Operator | Dec 2019 |
| 32458 | Wintershall Corporation | | Oil & Gas Operator | Oct 1989 |
| 32459 | Wintershall Oil | | Oil Operator | Sep 1985 |
| 32460 | Wintershall Oil & Gas Co | | Oil & Gas Operator | Feb 1980 |
| 32461 | Wintershall Oil & Gas Corp | Houston, TX 77027 | Oil & Gas Operator | Jul 1989 |
| 32462 | Winwell, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2007 |
| 32463 | Winzeler Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2013 |
| 32464 | Wirtz Oil, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Jun 2025 |
| 32465 | Wischkaemper, James K. | Shamrock, TX 79079 | Oil & Gas Operator | Aug 2023 |
| 32466 | Wischkaemper, Kenneth | Shamrock, TX 79079 | Oil & Gas Operator | Dec 2025 |
| 32467 | Wise Exploration | Perrin, TX 76486 | Oil & Gas Operator | Dec 2025 |
| 32468 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 32469 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 32470 | Wise Production Company | Bowie, TX 76230 | Oil & Gas Operator | Dec 2025 |
| 32471 | Wise Star Energy, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Dec 2025 |
| 32472 | Wise Supply Company | Bowie, TX 76230 | Oil & Gas Operator | Dec 2025 |
| 32473 | Wise Well Service | Bowie, TX 76230 | Oil & Gas Operator | Jul 2017 |
| 32474 | Wise* Wayne L | | Oil & Gas Operator | Dec 2023 |
| 32475 | Wise, Rodney J. | Anna, OH 45302 | Oil Operator | Jul 2011 |
| 32476 | Wiseman, B. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 32477 | Wisenbaker Production Company | Tyler, TX 75702 | Oil & Gas Operator | Oct 2011 |
| 32478 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 32479 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 32480 | Wishbone Texas Operating Co LLC | Houston, TX 77064 | Oil & Gas Operator | Jul 2019 |
| 32481 | Wisley Robert | | Oil & Gas Operator | Dec 1994 |
| 32482 | Wistrom | | Oil Operator | Aug 2019 |
| 32483 | Witco Corporation | Newark, OH 43055 | Oil & Gas Operator | Dec 1995 |
| 32484 | Witcraft, Jimmy D. | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 1987 |
| 32485 | Withers, Lawrence | Copeland, KS 67837 | Gas Operator | Nov 1996 |
| 32486 | Witherspoon Joe A | Bells, TX 75414 | Oil Operator | Jul 2025 |
| 32487 | Witherspoon Oil Co | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 32488 | Withrow Engineering, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Mar 2000 |
| 32489 | Withrow Oil Company Inc | Yukon, OK 73099-7712 | Oil & Gas Operator | Apr 2021 |
| 32490 | Witkowski, Dave | Hamburg, NY 14075 | Oil & Gas Operator | Dec 2024 |
| 32491 | Witlicki Richard | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2015 |
| 32492 | Witt Oil Production, Inc. | | Oil & Gas Operator | Nov 1984 |
| 32493 | Witter, Terry L. | Alma, NY 14708 | Oil Operator | Dec 2024 |
| 32494 | Wittmeyer, Richard J. & Cynthia L. | Springville, NY 14141 | Gas Operator | Dec 2024 |
| 32495 | Witty Thomas E | Enid, OK 73703 | Oil & Gas Operator | Mar 2008 |
| 32496 | Witzel, Robert R. | Dansville, NY 14437 | Gas Operator | Dec 2024 |
| 32497 | Wixson R J Compa | | Oil Operator | Jan 1989 |
| 32498 | Wixson, R. J., Co. | Wichita, KS 67278 | Oil Operator | Oct 2002 |
| 32499 | WJ South Waskom #1, LLC | Dallas, TX 75205 | Oil Operator | Dec 2025 |
| 32500 | WJC, Inc. | Post, TX 79356 | Oil & Gas Operator | Dec 2025 |