| 30201 | Wagman Petroleum, Inc. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2024 |
| 30202 | Wagman, Brent A. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2024 |
| 30203 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 30204 | Wagner & Brown Limited Partnership | Midland, TX 79701 | Oil & Gas Operator | Feb 2013 |
| 30205 | Wagner & Brown LP | Midland, TX 79702-1714 | Oil & Gas Operator | Aug 2022 |
| 30206 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 30207 | Wagner & Wagner | Indiana, PA 15701-1273 | Gas Operator | Dec 2012 |
| 30208 | Wagner And Brown LTD Dba Wagner And Brown LTD | | Oil & Gas Operator | Sep 2002 |
| 30209 | Wagner Energy LLC | Midland, TX 79702 | Oil Operator | Jan 2024 |
| 30210 | Wagner Gas And Oil LLC | | Oil Operator | Nov 2021 |
| 30211 | Wagner Oil And Gas | | Oil & Gas Operator | Dec 2016 |
| 30212 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 30213 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 30214 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 30215 | Wagon Wheel Production Company | Crawford, OK 73638-9502 | Oil & Gas Operator | Jan 2022 |
| 30216 | Wainoco Oil & Ga | | Oil & Gas Operator | Jan 1993 |
| 30217 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 30218 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 30219 | Wakita Operating, LLC | Perryton, TX 79070 | Gas Operator | Apr 2024 |
| 30220 | Wako Oil Co. LLC | Nocona, TX 76255 | Oil Operator | Apr 2024 |
| 30221 | Walbet | Monahans, TX 79756 | Oil & Gas Operator | Dec 1993 |
| 30222 | Walbet, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Apr 2024 |
| 30223 | Walcher Oil, LC | Bellevue, WA 98009 | Oil & Gas Operator | Dec 2023 |
| 30224 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 30225 | Walden E F | Ada, OK 74820 | Oil & Gas Operator | Aug 2014 |
| 30226 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 30227 | Waldrop, L. E. | Houston, TX 77024 | Oil & Gas Operator | Jun 1996 |
| 30228 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Sep 2023 |
| 30229 | Walkabout Operating, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 30230 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 30231 | Walker David Wayne | Okemah, OK 74859-9731 | Oil & Gas Operator | Sep 2022 |
| 30232 | Walker Energy Group | Houston, TX 77215-1089 | Oil & Gas Operator | Jun 1992 |
| 30233 | Walker Energy, LLC | | Oil & Gas Operator | Nov 2023 |
| 30234 | Walker Ervin G | | Oil Operator | Jul 1992 |
| 30235 | Walker Explor & Prod Corp | Unknown, UT 99999 | Oil & Gas Operator | Dec 1989 |
| 30236 | Walker Gas Company | Romney, WV 25757-0000 | Oil & Gas Operator | Dec 2018 |
| 30237 | Walker Jeffery Scott | Owasso, OK 74055-7420 | Oil Operator | Jan 2024 |
| 30238 | Walker Jr J C | | Oil & Gas Operator | Oct 1996 |
| 30239 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 30240 | Walker L Willis | | Oil Operator | Dec 1985 |
| 30241 | Walker La. Properties | | Oil & Gas Operator | Oct 1990 |
| 30242 | Walker Management Company | | Oil & Gas Operator | Apr 1988 |
| 30243 | Walker Oil & Gas Co LLC* Keith F | | Oil & Gas Operator | Jun 2011 |
| 30244 | Walker Oil And Gas Inc | | Oil & Gas Operator | Jun 2021 |
| 30245 | Walker Oil And Gas LTD | Snyder, TX 79550 | Oil Operator | Apr 2024 |
| 30246 | Walker Operating (I) | Wichita Falls, TX 76308 | Oil Operator | Apr 2024 |
| 30247 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 30248 | Walker R J Oil Co Inc | | Oil & Gas Operator | May 2003 |
| 30249 | Walker Resources Co, LLC | | Oil & Gas Operator | Dec 2013 |
| 30250 | Walker Tank Service, Inc | Utica, KS 67584 | Oil Operator | Aug 2022 |
| 30251 | Walker Well Service Inc | Big Bend, WV 26136-0000 | Oil & Gas Operator | Dec 2021 |
| 30252 | Walker'S Fruit Farms, LLC | Forestville, NY 14062 | Gas Operator | Dec 2022 |
| 30253 | Walker'S Well Service | Gladewater, TX 75647 | Oil & Gas Operator | Aug 2003 |
| 30254 | Walker, Ervin Gilbert | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2020 |
| 30255 | Walker, Harrel L. | La Vernia, TX 78121 | Oil & Gas Operator | May 2023 |
| 30256 | Walker, Kent | Midland, TX 79704 | Oil & Gas Operator | Jun 2004 |
| 30257 | Walker, Tigner | Shreveport, LA 71138 | Oil & Gas Operator | Feb 2005 |
| 30258 | Walker-Wilson | | Oil & Gas Operator | Jul 1999 |
| 30259 | Walking X Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Apr 2024 |
| 30260 | Wall Shelby | | Oil & Gas Operator | Oct 1998 |
| 30261 | Wallace Acid-Frac LLC | Seminole, OK 74818-1281 | Oil & Gas Operator | May 2013 |
| 30262 | Wallace D. Putman, Jr. | | Oil Operator | Jan 2024 |
| 30263 | Wallace Energy I | | Oil Operator | Mar 1990 |
| 30264 | Wallace Energy, Inc. | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 30265 | Wallace George C | Oklahoma City, OK 73120-0135 | Oil Operator | Nov 1994 |
| 30266 | Wallace John J Jr | Cooperstown, PA 16317-1909 | Oil & Gas Operator | Dec 2023 |
| 30267 | Wallace Oil & Ga | | Gas Operator | Oct 1995 |
| 30268 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Apr 2024 |
| 30269 | Wallace Operating Company | | Oil & Gas Operator | Sep 1986 |
| 30270 | Wallace Sherrie D | Dewey, OK 74029-3924 | Oil & Gas Operator | Jan 2024 |
| 30271 | Wallace, Drexel And June | New Milton, WV 26411-0000 | Oil & Gas Operator | Dec 2021 |
| 30272 | Wallace, Sharon J. | Clymer, NY 14724 | Gas Operator | Dec 2022 |
| 30273 | Wallen Production Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 30274 | Waller Brothers, Inc. | | Oil & Gas Operator | Jul 2004 |
| 30275 | Waller Oil, LLC | Stockton, KS 67669 | Oil Operator | Dec 2023 |
| 30276 | Waller, C.W. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 30277 | Wallick Petroleum Co | Reynoldsburg, OH 43068 | Oil & Gas Operator | Dec 1994 |
| 30278 | Walling, Buster H | | Oil Operator | Jul 2022 |
| 30279 | Wallis Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 30280 | Walls Energy, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 30281 | Walls, Charles A. | Caney, KS 67333 | Oil Operator | Aug 2016 |
| 30282 | Walls, G. M. & Frances, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 30283 | Wallway M J | Casper, WY 82601 | Oil & Gas Operator | Jan 1993 |
| 30284 | Wally Tucker | | Gas Operator | Dec 1994 |
| 30285 | Walrath Oil Co. LLC | | Oil Operator | Dec 2023 |
| 30286 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
| 30287 | Walsh Jr F Howard | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Dec 2023 |
| 30288 | Walsh Jr F Howard Opr Co Inc | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2016 |
| 30289 | Walsh Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2022 |
| 30290 | Walsh Production Inc | | Oil & Gas Operator | Nov 2008 |
| 30291 | Walsh Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2024 |
| 30292 | Walsh, F H Jr. Operating Co. Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2019 |
| 30293 | Walsh, F. Howard, Jr. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 1994 |
| 30294 | Walter Black Warrior Basin LLC | | Gas Operator | Dec 2014 |
| 30295 | Walter E & Bernice N Darnall | | Oil Operator | Jan 2024 |
| 30296 | Walter Exploration Company | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 30297 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 30298 | Walter H. Husfeld Oil Co LLC | Bowie, TX 76230 | Oil & Gas Operator | Apr 2024 |
| 30299 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 30300 | Walter T. Lanaux | | Oil & Gas Operator | Nov 1990 |