| 6601 | Williford Petroleum, L.L.C. | Green CV SPGS, FL 32043 | Oil & Gas Operator | Dec 2025 |
| 6602 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Nov 2025 |
| 6603 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 6604 | Wilshire Oil LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Oct 2025 |
| 6605 | Wilson Allen Dewayne | Okemah, OK 74859 | Oil & Gas Operator | Jun 2025 |
| 6606 | Wilson Charles R | Durant, OK 74701 | Oil Operator | Sep 2025 |
| 6607 | Wilson Claude | Loco, OK 73442-9404 | Oil & Gas Operator | Oct 2025 |
| 6608 | Wilson H Drew | Collinsville, OK 74021 | Oil Operator | Oct 2025 |
| 6609 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2025 |
| 6610 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 6611 | Wilson, Clay S | | Oil Operator | Oct 2025 |
| 6612 | Wilson, W R | | Oil & Gas Operator | Oct 2025 |
| 6613 | Wilson, Warren C | | Oil Operator | Oct 2025 |
| 6614 | Wimberley James A | Dallas, TX 75229-6180 | Oil & Gas Operator | Nov 2014 |
| 6615 | Winchester Oil Corporation | Maysville, OK 73057-0600 | Oil & Gas Operator | Apr 2010 |
| 6616 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Sep 2025 |
| 6617 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 6618 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 6619 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 6620 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 6621 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 6622 | Winney Construction Company | Forks, WA 98331-0801 | Oil & Gas Operator | Jan 2013 |
| 6623 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Oct 2025 |
| 6624 | Winzeler Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2013 |
| 6625 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 6626 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 6627 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 6628 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 6629 | Witherspoon Joe A | Bells, TX 75414 | Oil Operator | Jul 2025 |
| 6630 | Withrow Oil Company Inc | Yukon, OK 73099-7712 | Oil & Gas Operator | Apr 2021 |
| 6631 | Witty Thomas E | Enid, OK 73703 | Oil & Gas Operator | Mar 2008 |
| 6632 | WJM Oil Inc | Shawnee, OK 74804-3203 | Oil & Gas Operator | Jan 2013 |
| 6633 | WLH Production LLC | Gainesville, TX 76240 | Oil Operator | Dec 2025 |
| 6634 | WLW Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Nov 2025 |
| 6635 | WM Bret Hall Energy LLC | Ratliff City, OK 73481 | Oil Operator | Oct 2025 |
| 6636 | WM Energy LLC | Asher, OK 74826 | Oil & Gas Operator | Oct 2025 |
| 6637 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 |
| 6638 | WN Operating Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 2025 |
| 6639 | Wohlford Properties Inc | Barling, AR 72923 | Gas Operator | Apr 2022 |
| 6640 | Wolf Creek Enterprises Inc | Stillwater, OK 74074-6965 | Oil Operator | Apr 2009 |
| 6641 | Wolf Howard Lee | Burneyville, OK 73430-9617 | Oil & Gas Operator | Jun 2000 |
| 6642 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 6643 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 6644 | Wonee Oil Company | Healdton, OK 73438 | Oil Operator | Jul 1996 |
| 6645 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 6646 | Wood Oil Company | Tulsa, OK 74103 | Gas Operator | Oct 1997 |
| 6647 | Woodland Operating LLC | Rio VIsta, TX 76093-0010 | Oil & Gas Operator | Aug 2025 |
| 6648 | Woods Henry Dba Woods Oil Company | Madill, OK 73446 | Oil Operator | Oct 2025 |
| 6649 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2025 |
| 6650 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 6651 | Woodward Disposal Company Inc | Woodward, OK 73801-3234 | Oil & Gas Operator | Sep 2013 |
| 6652 | Woodward Iodine Corporation | Woodward, OK 73801 | Oil & Gas Operator | Nov 2025 |
| 6653 | Woolever Stephen L | Tulsa, OK 74108-2303 | Oil Operator | Jul 2024 |
| 6654 | Woolsey Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 6655 | Work John | Tulsa, OK 74135 | Oil Operator | Dec 1996 |
| 6656 | World Oil | | Oil & Gas Operator | Nov 1998 |
| 6657 | Worldwide Energy Corporation | Freer, TX 78357 | Oil & Gas Operator | Jan 1997 |
| 6658 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 6659 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 6660 | Worstell Oil Co LLC | Collinsville, OK 74021-5918 | Oil Operator | Aug 2025 |
| 6661 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 6662 | WP Oil LLC | Owasso, OK 74055 | Oil Operator | Oct 2025 |
| 6663 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 6664 | WR Oil & Gas LLC | Plano, TX 75024-3523 | Oil & Gas Operator | Oct 2025 |
| 6665 | Wrather Jr J D | Beverly Hills, CA 90210-4724 | Oil & Gas Operator | Mar 1993 |
| 6666 | Wright Jerry L | Crescent, OK 73028-0474 | Oil & Gas Operator | Jun 2013 |
| 6667 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 6668 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | Dec 2025 |
| 6669 | Wright Richard | Ratliff City, OK 73481-0155 | Oil & Gas Operator | Mar 2015 |
| 6670 | Wright V Gerald | Cushing, OK 74023 | Oil & Gas Operator | Nov 2003 |
| 6671 | Wroten Wiley Jr | Dallas, TX 75252 | Oil & Gas Operator | Jun 1994 |
| 6672 | WW Park 51 LLC | Claremore, OK 74017 | Oil Operator | Sep 2025 |
| 6673 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 6674 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 6675 | Wyatt'S Oil Corporation | | Oil & Gas Operator | Oct 2025 |
| 6676 | Wylie Henry C | Ratliff City, OK 73481-0102 | Oil Operator | May 2020 |
| 6677 | Wynn-Crosby Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 6678 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Oct 2025 |
| 6679 | X-Bar LMT Partnership | | Oil & Gas Operator | May 2013 |
| 6680 | X-Bar Resources Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jul 2013 |
| 6681 | Xae Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2021 |
| 6682 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Nov 2025 |
| 6683 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 6684 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 6685 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2025 |
| 6686 | Xutapa Properties LLC | | Oil & Gas Operator | Oct 2025 |
| 6687 | Y D F Inc | Oklahoma City, OK 73128 | Oil & Gas Operator | Dec 2025 |
| 6688 | Yager Company | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2000 |
| 6689 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Nov 2025 |
| 6690 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |
| 6691 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |
| 6692 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Oct 2025 |
| 6693 | Yates, Earl R | | Oil Operator | Mar 2015 |
| 6694 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 6695 | Yerby Bill | Ada, OK 74820-5404 | Oil Operator | Jan 2012 |
| 6696 | Yeubanks Barbara | Cromwell, OK 74837 | Oil Operator | Oct 2025 |
| 6697 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 6698 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 6699 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 6700 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |