| 31601 | Winbeau Oil & Gas Co. | | Oil & Gas Operator | Oct 2013 |
| 31602 | Winchester Energy Operating Co. | Austin, TX 78746 | Oil & Gas Operator | Sep 2026 |
| 31603 | Winchester Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 31604 | Winchester Exploration, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Aug 2003 |
| 31605 | Winchester Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Sep 2026 |
| 31606 | Winchester Oil Corporation | Maysville, OK 73057-0600 | Oil & Gas Operator | Apr 2010 |
| 31607 | Winchester Operating, Inc. | Bryan, TX 77808 | Oil & Gas Operator | Aug 2001 |
| 31608 | Winchester Production Co., LTD. | Shreveport, LA 71129 | Oil & Gas Operator | Sep 2008 |
| 31609 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
| 31610 | Winco Of Kansas | Kechi, KS 67067 | Oil Operator | Aug 1982 |
| 31611 | Winco Oil Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 2026 |
| 31612 | Winco Petroleum Company | Richardson, TX 75080 | Oil & Gas Operator | Jan 2003 |
| 31613 | Winco Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |
| 31614 | Wind River Energy Commission | | Oil Operator | Mar 2026 |
| 31615 | Wind River Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 31616 | Wind River Exploration | Powell, WY 82435 | Oil & Gas Operator | Jul 2026 |
| 31617 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Apr 2026 |
| 31618 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |
| 31619 | Wind River Resources Corp | Park City, UT 84098 | Oil & Gas Operator | Jan 2020 |
| 31620 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 31621 | Winder Oil Company | | Oil Operator | Apr 2026 |
| 31622 | Windfohr Oil Company | | Oil & Gas Operator | May 1980 |
| 31623 | Windgate Oil Com | | Oil Operator | Jul 1985 |
| 31624 | Windham Oil Company | | Oil & Gas Operator | Dec 1987 |
| 31625 | Windham Oil Corp. | | Oil & Gas Operator | Dec 2024 |
| 31626 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Sep 2026 |
| 31627 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 31628 | Windham, L. E. | Rankin, TX 79778 | Oil & Gas Operator | Dec 1996 |
| 31629 | Windham, L.E. Estate Of | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 31630 | Windler-Doudna, A General Partnership | | Oil Operator | Sep 2000 |
| 31631 | Windmill Oil Company | Austin, TX 78747 | Oil & Gas Operator | Mar 2008 |
| 31632 | Windmill Windy Acres Farm, LLC | Penn Yan, NY 14527 | Gas Operator | Dec 2025 |
| 31633 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Sep 2026 |
| 31634 | Windridge Operating LLC | | Oil & Gas Operator | Jun 2026 |
| 31635 | Windrush Operating Co., L.L.C. | Longville, LA 70652 | Oil & Gas Operator | Sep 2026 |
| 31636 | Windrush Operating Company | | Oil & Gas Operator | Jan 2009 |
| 31637 | Winds Exploration And Production, LLC | Houston, TX 77032 | Gas Operator | Jan 2025 |
| 31638 | Windsor Associates Inc | Fairlawn, OH 44333-4006 | Oil & Gas Operator | Dec 2012 |
| 31639 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 31640 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 31641 | Windsor Exploration Company | Dallas, TX 75204 | Oil & Gas Operator | Jan 1994 |
| 31642 | Windsor Gas Corporation | | Oil & Gas Operator | Aug 1989 |
| 31643 | Windsor Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2012 |
| 31644 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 31645 | Windy Cove Energy II, LLC | Houston, TX 77079 | Oil & Gas Operator | Sep 2020 |
| 31646 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 31647 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | Apr 2026 |
| 31648 | Wineridge Inc. | Austin, TX 78747 | Oil Operator | Sep 2026 |
| 31649 | Winfall Energy Inc N V | Apollo, PA 15613-0502 | Oil & Gas Operator | Dec 2025 |
| 31650 | Winfield Operating Company | Dallas, TX 75214 | Oil & Gas Operator | Sep 2026 |
| 31651 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 31652 | Wing Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2000 |
| 31653 | Wingrove Operating, LLC | Odessa, TX 79760 | Oil Operator | Sep 2026 |
| 31654 | Wingrove Well Service, Inc. | Lueders, TX 79533 | Oil & Gas Operator | Nov 2023 |
| 31655 | Winkler L W & Son | Denver, CO 80222 | Oil & Gas Operator | Dec 2001 |
| 31656 | Winn Exploration Co., Inc. | Corpus Christ, TX 78401 | Oil & Gas Operator | Sep 2026 |
| 31657 | Winn Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 31658 | Winney Construction Company | Forks, WA 98331-0801 | Oil & Gas Operator | Jan 2013 |
| 31659 | Winona Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 31660 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Sep 2026 |
| 31661 | Winslow Operating Company, LLC | Austin, TX 78737 | Oil & Gas Operator | Sep 2026 |
| 31662 | Winslow, Harry C. | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2026 |
| 31663 | Winston Land & Cattle Co., Inc. | Lufkin, TX 75901 | Oil & Gas Operator | Feb 2001 |
| 31664 | Winston Land & Cattle I, LTD. | Lufkin, TX 75902 | Oil & Gas Operator | Nov 2014 |
| 31665 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Apr 2026 |
| 31666 | Winter Ridge Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2011 |
| 31667 | Winter'S Railroad Service, Inc | North Collins, NY 14111 | Gas Operator | Dec 2025 |
| 31668 | Winter, Marvin J. | North Collins, NY 14111 | Gas Operator | Dec 2025 |
| 31669 | Winterfield Corp | | Oil Operator | Nov 2024 |
| 31670 | Winterscheid Oil, LLC | Olpe, KS 66865 | Oil Operator | Dec 2019 |
| 31671 | Wintershall Corporation | | Oil & Gas Operator | Oct 1989 |
| 31672 | Wintershall Oil | | Oil Operator | Sep 1985 |
| 31673 | Wintershall Oil & Gas Co | | Oil & Gas Operator | Feb 1980 |
| 31674 | Wintershall Oil & Gas Corp | Houston, TX 77027 | Oil & Gas Operator | Jul 1989 |
| 31675 | Winwell, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2007 |
| 31676 | Winzeler Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2013 |
| 31677 | Wirtz Oil, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Apr 2026 |
| 31678 | Wischkaemper, James K. | Shamrock, TX 79079 | Oil & Gas Operator | Aug 2023 |
| 31679 | Wischkaemper, Kenneth | Shamrock, TX 79079 | Oil & Gas Operator | Sep 2026 |
| 31680 | Wise Exploration | Perrin, TX 76486 | Oil & Gas Operator | Sep 2026 |
| 31681 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 31682 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 31683 | Wise Production Company | Bowie, TX 76230 | Oil & Gas Operator | Sep 2026 |
| 31684 | Wise Star Energy, LLC | Rockport, TX 78382 | Oil & Gas Operator | Sep 2026 |
| 31685 | Wise Supply Company | Bowie, TX 76230 | Oil & Gas Operator | Sep 2026 |
| 31686 | Wise Well Service | Bowie, TX 76230 | Oil & Gas Operator | Jul 2017 |
| 31687 | Wise* Wayne L | | Oil & Gas Operator | Dec 2023 |
| 31688 | Wise, Rodney J. | Anna, OH 45302 | Oil Operator | Jul 2011 |
| 31689 | Wiseman, B. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 31690 | Wisenbaker Production Company | Tyler, TX 75702 | Oil & Gas Operator | Oct 2011 |
| 31691 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 31692 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 31693 | Wishbone Texas Operating Co LLC | Houston, TX 77064 | Oil & Gas Operator | Jul 2019 |
| 31694 | Wisley Robert | | Oil & Gas Operator | Dec 1994 |
| 31695 | Wistrom | | Oil Operator | Aug 2019 |
| 31696 | Witco Corporation | Newark, OH 43055 | Oil & Gas Operator | Dec 1995 |
| 31697 | Witcraft, Jimmy D. | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 1987 |
| 31698 | Witherspoon Joe A | Bells, TX 75414 | Oil Operator | Mar 2026 |
| 31699 | Witherspoon Oil Co | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2026 |
| 31700 | Withrow Engineering, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Mar 2000 |