| 1 | W C S Inc | Pottsboro, TX 75076 | Oil & Gas Operator | Oct 2019 |
| 2 | W C T Operating LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 3 | W F D Oil Corp. | Edmond, OK 73012 | Oil & Gas Operator | Jan 2026 |
| 4 | W M A Corporation | Wichita, KS 67278-1713 | Oil & Gas Operator | Jan 1998 |
| 5 | W M Energy Corp | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2015 |
| 6 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 7 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 8 | W-N Energy Corp | Tulsa, OK 74121-1468 | Oil & Gas Operator | Nov 1994 |
| 9 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 10 | Wachob Jack | Sapulpa, OK 74066 | Oil Operator | Dec 2014 |
| 11 | Wachob Oil & Gas LLC | Sapulpa, OK 74066-6987 | Oil Operator | Jun 2015 |
| 12 | Wacker Oil Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 13 | Waddell Norman | Seminole, OK 74868-1244 | Oil & Gas Operator | Nov 1998 |
| 14 | Wadkins T Roy | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2019 |
| 15 | Wadley Bill & Son Drilling Co | Okmulgee, OK 74447 | Oil & Gas Operator | Nov 2025 |
| 16 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Dec 2025 |
| 17 | Waggoner Drilling Company | Bristow, OK 74010-0663 | Oil & Gas Operator | Jan 2014 |
| 18 | Waggoner Oil & Gas Corp | Enid, OK 73703-1152 | Oil & Gas Operator | Jan 2026 |
| 19 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 20 | Wagner & Brown LP | Midland, TX 79702-1714 | Oil & Gas Operator | Aug 2022 |
| 21 | Wagner Energy LLC | Enid, OK 73701 | Oil Operator | Dec 2025 |
| 22 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2026 |
| 23 | Wagon Wheel Production Company | Crawford, OK 73638-9502 | Oil & Gas Operator | Mar 2025 |
| 24 | Wagoner, Walter M | | Oil Operator | Dec 2025 |
| 25 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 26 | Walden E F | Ada, OK 74820 | Oil & Gas Operator | Aug 2014 |
| 27 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Dec 2025 |
| 28 | Walker Billy R | Henryetta, OK 74437-0026 | Oil & Gas Operator | Sep 2014 |
| 29 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 30 | Walker David Wayne | Okemah, OK 74859-9731 | Oil & Gas Operator | Sep 2022 |
| 31 | Walker Gas Company | Romney, WV 25757-0000 | Oil & Gas Operator | Dec 2018 |
| 32 | Walker Jeffery Scott | Owasso, OK 74055-7420 | Oil Operator | Dec 2025 |
| 33 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 34 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 35 | Wall Shelby | | Oil & Gas Operator | Oct 1998 |
| 36 | Wallace Energy Inc | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 37 | Wallace George C | Oklahoma City, OK 73120-0135 | Oil Operator | Nov 1994 |
| 38 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Mar 2026 |
| 39 | Wallace Sherrie D | Dewey, OK 74029 | Oil & Gas Operator | Dec 2025 |
| 40 | Walling, Buster H | | Oil Operator | Jul 2022 |
| 41 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Mar 2026 |
| 42 | Walsh Jr F Howard | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Dec 2025 |
| 43 | Walsh Jr F Howard Opr Co Inc | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2016 |
| 44 | Walter E & Bernice N Darnall | | Oil Operator | Dec 2025 |
| 45 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 46 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 47 | Walter Parker Inc | Talala, OK 74080-3808 | Oil & Gas Operator | Dec 2025 |
| 48 | Walters Frank | Pernell, OK 73076 | Oil & Gas Operator | Sep 2014 |
| 49 | Walters Oil Company | Elmore City, OK 73433-9505 | Oil & Gas Operator | Dec 2025 |
| 50 | Walters Oil LLC | Elmore City, OK 73433-8637 | Oil Operator | Apr 2020 |
| 51 | Walters Oil Well Service Inc | Walters, OK 73572-0467 | Oil & Gas Operator | Nov 2000 |
| 52 | Waltman Family LP | Maud, OK 74854-2603 | Oil Operator | Dec 2025 |
| 53 | Waltman Oil & Gas | Maud, OK 74854-9739 | Oil Operator | Sep 2001 |
| 54 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 55 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 56 | Wapco, Inc. | Cement, OK 73017 | Oil Operator | Dec 2025 |
| 57 | Wapi Operating LLC | McCurtain, OK 74944 | Oil & Gas Operator | Dec 2025 |
| 58 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 59 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2026 |
| 60 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 61 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Dec 2025 |
| 62 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 63 | Ware, Lonnie | | Oil & Gas Operator | Dec 2025 |
| 64 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 65 | Warhorse Midcontinent Operating Company, LLC | Tulsa, OK 74136 | Oil Operator | Dec 2025 |
| 66 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 67 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 68 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | Jan 2026 |
| 69 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 70 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Mar 2026 |
| 71 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 72 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2025 |
| 73 | Warrior Exploration LLC | Sapulpa, OK 74067-1912 | Oil & Gas Operator | Dec 2025 |
| 74 | Warwick Associates LC | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 2026 |
| 75 | Warwick-Bacchus LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 76 | Warwick-Jupiter LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 77 | Warwick-Minerva LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 78 | Washita Energy Inc | Pauls Valley, OK 73075-0923 | Oil & Gas Operator | Mar 2015 |
| 79 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 80 | Washita Production Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2006 |
| 81 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 82 | Wasson Billy C | Morris, OK 74445 | Oil & Gas Operator | Dec 2025 |
| 83 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Oct 2025 |
| 84 | Waterford Energy Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 1998 |
| 85 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Dec 2025 |
| 86 | Watertech Disposal | Enid, OK 73702-0125 | Oil Operator | Sep 2007 |
| 87 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2026 |
| 88 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 89 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 90 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |
| 91 | Watson Fred S Revocable Trust | Muskogee, OK 74402-1928 | Oil Operator | Nov 2017 |
| 92 | Watson Petroleum Inc | Wichita, KS 67208 | Oil & Gas Operator | May 2010 |
| 93 | Watt Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 94 | Watt, Larry D | | Oil Operator | Aug 2024 |
| 95 | Watts Keith | Bristow, OK 74010-4996 | Oil Operator | Oct 2025 |
| 96 | Wave Energy LLC | Jennings, OK 74038 | Oil Operator | Jan 2026 |
| 97 | Wavefront Energy & Envir Serv USA Inc | Edmonton, AB T6B3P6 | Oil Operator | Apr 2015 |
| 98 | Wayside LTD | | Oil & Gas Operator | Jan 2015 |
| 99 | Wce Corporation | Billings, MT 59102 | Oil Operator | Jul 1997 |
| 100 | Weatherly Nell M Estate | Ada, OK 74821-0669 | Oil & Gas Operator | Feb 1997 |