| 31201 | Waco Petro, LP | Sulphur SPGS, TX 75483 | Oil Operator | Sep 2015 |
| 31202 | Waco Production Co. | Archer City, TX 76351 | Oil & Gas Operator | Sep 1993 |
| 31203 | Waddell Norman | Seminole, OK 74868-1244 | Oil & Gas Operator | Nov 1998 |
| 31204 | Waddell, Debora | Angola, NY 14059 | Gas Operator | Dec 2023 |
| 31205 | Waddell, Eric F. | Natoma, KS 67651 | Oil Operator | Aug 1995 |
| 31206 | Waddell, Kent | Abilene, TX 79606 | Oil & Gas Operator | Nov 2010 |
| 31207 | Waddy & Son Oilfield Services Inc | Dellroy, OH 44620-9762-9762 | Oil & Gas Operator | Dec 2024 |
| 31208 | Wade Energy Corporation | Carlsbad, NM 88220 | Oil & Gas Operator | Sep 1999 |
| 31209 | Wade Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 31210 | Wade, Jim | Olney, TX 76374 | Oil & Gas Operator | Jun 2025 |
| 31211 | Wadi Exploration&Production,LLC | San Clemente, CA 92672 | Oil & Gas Operator | Jul 2020 |
| 31212 | Wadi Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2025 |
| 31213 | Wadi Petroleum Inc | Houston, TX 77014 | Oil & Gas Operator | May 2018 |
| 31214 | Wadkins T Roy | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2019 |
| 31215 | Wadley Bill & Son Drilling Co | Okmulgee, OK 74447 | Oil & Gas Operator | Mar 2025 |
| 31216 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Mar 2025 |
| 31217 | Waffenbauch USA Corp. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 31218 | Waggner, Fred | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2025 |
| 31219 | Waggner, Robert | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2006 |
| 31220 | Waggoner Drilling Company | Bristow, OK 74010-0663 | Oil & Gas Operator | Jan 2014 |
| 31221 | Waggoner Oil & Gas Corp | Enid, OK 73703-1152 | Oil & Gas Operator | Apr 2025 |
| 31222 | Waggoner Operating, L.L.C. | Vernon, TX 76385 | Oil Operator | Jun 2025 |
| 31223 | Waggoner, John S. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2017 |
| 31224 | Waggoner, Ralph E. | Windthorst, TX 76389 | Oil & Gas Operator | Dec 2010 |
| 31225 | Waggoner, W. T., Estate | Vernon, TX 76385 | Oil & Gas Operator | Feb 2018 |
| 31226 | Waggoner-Baldridge Energy | | Oil Operator | Jun 1988 |
| 31227 | Waggoner-Baldridge Oper. Co, Inc | Dallas, TX 75206 | Oil & Gas Operator | Jan 1998 |
| 31228 | Wagman Petroleum, Inc. | Dallas, TX 75202 | Oil & Gas Operator | Jun 2025 |
| 31229 | Wagman, Brent A. | Dallas, TX 75202 | Oil & Gas Operator | Jun 2025 |
| 31230 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 31231 | Wagner & Brown Limited Partnership | Midland, TX 79701 | Oil & Gas Operator | Feb 2013 |
| 31232 | Wagner & Brown LP | Midland, TX 79702-1714 | Oil & Gas Operator | Aug 2022 |
| 31233 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 31234 | Wagner & Wagner | Indiana, PA 15701-1273 | Gas Operator | Dec 2012 |
| 31235 | Wagner And Brown LTD Dba Wagner And Brown LTD | | Oil & Gas Operator | Sep 2002 |
| 31236 | Wagner Energy LLC | Enid, OK 73701 | Oil Operator | Mar 2025 |
| 31237 | Wagner Gas And Oil LLC | | Oil Operator | May 2025 |
| 31238 | Wagner Oil And Gas | | Oil & Gas Operator | Dec 2016 |
| 31239 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2025 |
| 31240 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 31241 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 31242 | Wagon Wheel Oil Company, LLC | El Reno, OK 73036-5935 | Oil Operator | Mar 2025 |
| 31243 | Wagon Wheel Production Company | Crawford, OK 73638-9502 | Oil & Gas Operator | Mar 2025 |
| 31244 | Wagoner, Walter M | | Oil Operator | Mar 2025 |
| 31245 | Wainoco Oil & Ga | | Oil & Gas Operator | Jan 1993 |
| 31246 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 31247 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 31248 | Wako Oil Co. LLC | Graham, TX 76450 | Oil Operator | Jun 2025 |
| 31249 | Walbet | Monahans, TX 79756 | Oil & Gas Operator | Dec 1993 |
| 31250 | Walbet, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Jun 2025 |
| 31251 | Walcher Oil, LC | Bellevue, WA 98009 | Oil & Gas Operator | Feb 2025 |
| 31252 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | May 2024 |
| 31253 | Walden E F | Ada, OK 74820 | Oil & Gas Operator | Aug 2014 |
| 31254 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 31255 | Waldrop, L. E. | Houston, TX 77024 | Oil & Gas Operator | Jun 1996 |
| 31256 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Mar 2025 |
| 31257 | Walkabout Operating, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Jun 2025 |
| 31258 | Walker Billy R | Henryetta, OK 74437-0026 | Oil & Gas Operator | Sep 2014 |
| 31259 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 31260 | Walker David Wayne | Okemah, OK 74859-9731 | Oil & Gas Operator | Sep 2022 |
| 31261 | Walker Energy Group | Houston, TX 77215-1089 | Oil & Gas Operator | Jun 1992 |
| 31262 | Walker Energy, LLC | | Oil & Gas Operator | Nov 2024 |
| 31263 | Walker Ervin G | | Oil Operator | Jul 1992 |
| 31264 | Walker Explor & Prod Corp | Unknown, UT 99999 | Oil & Gas Operator | Dec 1989 |
| 31265 | Walker Gas Company | Romney, WV 25757-0000 | Oil & Gas Operator | Dec 2018 |
| 31266 | Walker Jeffery Scott | Owasso, OK 74055-7420 | Oil Operator | Mar 2025 |
| 31267 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 31268 | Walker L Willis | | Oil Operator | Dec 1985 |
| 31269 | Walker La. Properties | | Oil & Gas Operator | Oct 1990 |
| 31270 | Walker Management Company | | Oil & Gas Operator | Apr 1988 |
| 31271 | Walker Oil & Gas | Early, TX 76802 | Oil & Gas Operator | Dec 2002 |
| 31272 | Walker Oil & Gas Co LLC* Keith F | | Oil & Gas Operator | Jun 2011 |
| 31273 | Walker Oil & Gas Corporaton | Roswell, NM 88202 | Oil & Gas Operator | Oct 1998 |
| 31274 | Walker Oil And Gas Inc | | Oil & Gas Operator | Jun 2021 |
| 31275 | Walker Oil And Gas LTD | Snyder, TX 79550 | Oil Operator | Jun 2025 |
| 31276 | Walker Operating (I) | Wichita Falls, TX 76308 | Oil Operator | Jun 2025 |
| 31277 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 31278 | Walker Resources Co, LLC | | Oil & Gas Operator | Dec 2013 |
| 31279 | Walker Tank Service, Inc | Utica, KS 67584 | Oil Operator | Aug 2022 |
| 31280 | Walker Well Service Inc | Big Bend, WV 26136-0000 | Oil & Gas Operator | Dec 2021 |
| 31281 | Walker'S Fruit Farms, LLC | Forestville, NY 14062 | Gas Operator | Dec 2023 |
| 31282 | Walker'S Well Service | Gladewater, TX 75647 | Oil & Gas Operator | Aug 2003 |
| 31283 | Walker, Daniel J. | La Vernia, TX 78121 | Oil Operator | Jun 2025 |
| 31284 | Walker, Ervin Gilbert | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2020 |
| 31285 | Walker, Harrel L. | La Vernia, TX 78121 | Oil & Gas Operator | May 2023 |
| 31286 | Walker, Kent | Midland, TX 79704 | Oil & Gas Operator | Jun 2004 |
| 31287 | Walker, Tigner | Shreveport, LA 71138 | Oil & Gas Operator | Feb 2005 |
| 31288 | Walker-Wilson | | Oil & Gas Operator | Jul 1999 |
| 31289 | Walking X Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Jun 2025 |
| 31290 | Wall Shelby | | Oil & Gas Operator | Oct 1998 |
| 31291 | Wallace D. Putman, Jr. | | Oil Operator | Jan 2025 |
| 31292 | Wallace Energy I | | Oil Operator | Mar 1990 |
| 31293 | Wallace Energy, Inc. | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 31294 | Wallace George C | Oklahoma City, OK 73120-0135 | Oil Operator | Nov 1994 |
| 31295 | Wallace John J Jr | Cooperstown, PA 16317-1909 | Oil & Gas Operator | Dec 2024 |
| 31296 | Wallace Oil & Ga | | Gas Operator | Oct 1995 |
| 31297 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Jun 2025 |
| 31298 | Wallace Operating Company | | Oil & Gas Operator | Sep 1986 |
| 31299 | Wallace Sherrie D | Dewey, OK 74029 | Oil & Gas Operator | Mar 2025 |
| 31300 | Wallace, Drexel And June | New Milton, WV 26411-0000 | Oil & Gas Operator | Dec 2021 |