| 32001 | Wimsco, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1994 |
| 32002 | Wimsett Kenneth | | Oil Operator | Apr 1989 |
| 32003 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 32004 | Winbeau Oil & Gas Co. | | Oil & Gas Operator | Oct 2013 |
| 32005 | Winchester Energy Operating Co. | Austin, TX 78746 | Oil & Gas Operator | Nov 2025 |
| 32006 | Winchester Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2025 |
| 32007 | Winchester Exploration, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Aug 2003 |
| 32008 | Winchester Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Nov 2025 |
| 32009 | Winchester Oil Corporation | Maysville, OK 73057-0600 | Oil & Gas Operator | Apr 2010 |
| 32010 | Winchester Operating, Inc. | Bryan, TX 77808 | Oil & Gas Operator | Aug 2001 |
| 32011 | Winchester Production Co., LTD. | Shreveport, LA 71129 | Oil & Gas Operator | Sep 2008 |
| 32012 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
| 32013 | Winco Of Kansas | Kechi, KS 67067 | Oil Operator | Aug 1982 |
| 32014 | Winco Oil Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2025 |
| 32015 | Winco Petroleum Company | Richardson, TX 75080 | Oil & Gas Operator | Jan 2003 |
| 32016 | Winco Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |
| 32017 | Wind River Energy Commission | | Oil Operator | Sep 2025 |
| 32018 | Wind River Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Nov 2025 |
| 32019 | Wind River Exploration | Powell, WY 82435 | Oil & Gas Operator | Sep 2025 |
| 32020 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Jun 2025 |
| 32021 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |
| 32022 | Wind River Resources Corp | Park City, UT 84098 | Oil & Gas Operator | Jan 2020 |
| 32023 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 32024 | Winder Oil Company | | Oil Operator | Jun 2025 |
| 32025 | Windfall Oil & Gas Inc | Falls Creek, PA 15840-2617 | Gas Operator | Dec 2024 |
| 32026 | Windfohr Oil Company | | Oil & Gas Operator | May 1980 |
| 32027 | Windgate Oil Com | | Oil Operator | Jul 1985 |
| 32028 | Windham Oil Company | | Oil & Gas Operator | Dec 1987 |
| 32029 | Windham Oil Corp. | | Oil & Gas Operator | Dec 2024 |
| 32030 | Windham Resources | Abilene, TX 79608 | Oil & Gas Operator | Nov 2025 |
| 32031 | Windham Resources, Inc. | Tuscola, TX 79562 | Oil & Gas Operator | Feb 2004 |
| 32032 | Windham, L. E. | Rankin, TX 79778 | Oil & Gas Operator | Dec 1996 |
| 32033 | Windham, L.E. Estate Of | Midland, TX 79702 | Oil & Gas Operator | Mar 2012 |
| 32034 | Windler-Doudna, A General Partnership | | Oil Operator | Sep 2000 |
| 32035 | Windmill Oil Company | Austin, TX 78747 | Oil & Gas Operator | Mar 2008 |
| 32036 | Windmill Windy Acres Farm, LLC | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 32037 | Window Operating Co., The | Coleman, TX 76834 | Oil & Gas Operator | Nov 2025 |
| 32038 | Windridge Operating LLC | | Oil & Gas Operator | Aug 2025 |
| 32039 | Windrush Operating Co., L.L.C. | Longville, LA 70652 | Oil & Gas Operator | Nov 2025 |
| 32040 | Windrush Operating Company | | Oil & Gas Operator | Jan 2009 |
| 32041 | Winds Exploration And Production, LLC | Houston, TX 77032 | Gas Operator | Jan 2024 |
| 32042 | Windsor Associates Inc | Fairlawn, OH 44333-4006 | Oil & Gas Operator | Dec 2012 |
| 32043 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 32044 | Windsor Energy Inc | Dallas, TX 75204-3199 | Oil & Gas Operator | May 2006 |
| 32045 | Windsor Exploration Company | Dallas, TX 75204 | Oil & Gas Operator | Jan 1994 |
| 32046 | Windsor Gas Corporation | | Oil & Gas Operator | Aug 1989 |
| 32047 | Windsor Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2012 |
| 32048 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 32049 | Windy Cove Energy II, LLC | Houston, TX 77079 | Oil & Gas Operator | Sep 2020 |
| 32050 | Wineglass Production, LLC | Ranger, TX 76470 | Oil Operator | Nov 2025 |
| 32051 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 32052 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | May 2025 |
| 32053 | Wineridge Inc. | Austin, TX 78747 | Oil Operator | Nov 2025 |
| 32054 | Winfall Energy Inc N V | Vandergrift, PA 15690-2001 | Oil & Gas Operator | Dec 2024 |
| 32055 | Winfield Operating Company | Dallas, TX 75214 | Oil & Gas Operator | Nov 2025 |
| 32056 | Winfrey Oil Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2016 |
| 32057 | Wing Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2000 |
| 32058 | Wingrove Operating, LLC | Odessa, TX 79760 | Oil Operator | Nov 2025 |
| 32059 | Wingrove Well Service, Inc. | Lueders, TX 79533 | Oil & Gas Operator | Nov 2023 |
| 32060 | Winkler L W & Son | Denver, CO 80222 | Oil & Gas Operator | Dec 2001 |
| 32061 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2025 |
| 32062 | Winn Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2025 |
| 32063 | Winney Construction Company | Forks, WA 98331-0801 | Oil & Gas Operator | Jan 2013 |
| 32064 | Winona Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 32065 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Nov 2025 |
| 32066 | Winslow Operating Company, LLC | Austin, TX 78737 | Oil & Gas Operator | Nov 2025 |
| 32067 | Winslow, Harry C. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2025 |
| 32068 | Winston Land & Cattle Co., Inc. | Lufkin, TX 75901 | Oil & Gas Operator | Feb 2001 |
| 32069 | Winston Land & Cattle I, LTD. | Lufkin, TX 75902 | Oil & Gas Operator | Nov 2014 |
| 32070 | Winston Oil Co | Marietta, OH 45750 | Oil & Gas Operator | Jul 2025 |
| 32071 | Winter Ridge Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2011 |
| 32072 | Winter'S Railroad Service, Inc | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 32073 | Winterfield Corp | | Oil Operator | Nov 2024 |
| 32074 | Winterscheid Oil, LLC | Olpe, KS 66865 | Oil Operator | Dec 2019 |
| 32075 | Wintershall Corporation | | Oil & Gas Operator | Oct 1989 |
| 32076 | Wintershall Oil | | Oil Operator | Sep 1985 |
| 32077 | Wintershall Oil & Gas Co | | Oil & Gas Operator | Feb 1980 |
| 32078 | Wintershall Oil & Gas Corp | Houston, TX 77027 | Oil & Gas Operator | Jul 1989 |
| 32079 | Winwell, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2007 |
| 32080 | Winzeler Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2013 |
| 32081 | Wirtz Oil, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Jun 2025 |
| 32082 | Wischkaemper, James K. | Shamrock, TX 79079 | Oil & Gas Operator | Aug 2023 |
| 32083 | Wischkaemper, Kenneth | Shamrock, TX 79079 | Oil & Gas Operator | Nov 2025 |
| 32084 | Wise Exploration | Perrin, TX 76486 | Oil & Gas Operator | Nov 2025 |
| 32085 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 32086 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 32087 | Wise Production Company | Bowie, TX 76230 | Oil & Gas Operator | Nov 2025 |
| 32088 | Wise Star Energy, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Nov 2025 |
| 32089 | Wise Supply Company | Bowie, TX 76230 | Oil & Gas Operator | Nov 2025 |
| 32090 | Wise Well Service | Bowie, TX 76230 | Oil & Gas Operator | Jul 2017 |
| 32091 | Wise* Wayne L | | Oil & Gas Operator | Dec 2023 |
| 32092 | Wise, Rodney J. | Anna, OH 45302 | Oil Operator | Jul 2011 |
| 32093 | Wiseman, B. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 32094 | Wisenbaker Production Company | Tyler, TX 75702 | Oil & Gas Operator | Oct 2011 |
| 32095 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 32096 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 32097 | Wishbone Texas Operating Co LLC | Houston, TX 77064 | Oil & Gas Operator | Jul 2019 |
| 32098 | Wisley Robert | | Oil & Gas Operator | Dec 1994 |
| 32099 | Wistrom | | Oil Operator | Aug 2019 |
| 32100 | Witco Corporation | Newark, OH 43055 | Oil & Gas Operator | Dec 1995 |