| 31301 | Wallace, Sharon J. | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 31302 | Wallen Production Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 31303 | Waller Brothers, Inc. | | Oil & Gas Operator | Jul 2004 |
| 31304 | Waller Oil, LLC | Stockton, KS 67669 | Oil Operator | Feb 2025 |
| 31305 | Waller, C.W. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2025 |
| 31306 | Wallick Petroleum Co | Reynoldsburg, OH 43068 | Oil & Gas Operator | Dec 1994 |
| 31307 | Walling, Buster H | | Oil Operator | Jul 2022 |
| 31308 | Wallis Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Jun 2025 |
| 31309 | Walls Energy, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 31310 | Walls, Charles A. | Caney, KS 67333 | Oil Operator | Aug 2016 |
| 31311 | Walls, G. M. & Frances, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Jun 2025 |
| 31312 | Wallway M J | Casper, WY 82601 | Oil & Gas Operator | Jan 1993 |
| 31313 | Wally Tucker | | Gas Operator | Dec 1994 |
| 31314 | Walrath Oil Co. LLC | | Oil Operator | Apr 2025 |
| 31315 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Jun 2025 |
| 31316 | Walsh Jr F Howard | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2025 |
| 31317 | Walsh Jr F Howard Opr Co Inc | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2016 |
| 31318 | Walsh Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2022 |
| 31319 | Walsh Production Inc | | Oil & Gas Operator | Nov 2008 |
| 31320 | Walsh Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Jun 2025 |
| 31321 | Walsh, F H Jr. Operating Co. Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2019 |
| 31322 | Walsh, F. Howard, Jr. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 1994 |
| 31323 | Walter Black Warrior Basin LLC | | Gas Operator | Dec 2014 |
| 31324 | Walter E & Bernice N Darnall | | Oil Operator | Mar 2025 |
| 31325 | Walter Exploration Company | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 31326 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 31327 | Walter H. Husfeld Oil Co LLC | Bowie, TX 76230 | Oil & Gas Operator | Jun 2025 |
| 31328 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 31329 | Walter Parker Inc | Talala, OK 74080-3808 | Oil & Gas Operator | Mar 2025 |
| 31330 | Walter T. Lanaux | | Oil & Gas Operator | Nov 1990 |
| 31331 | Walter W. Heard, Jr. | | Oil & Gas Operator | Dec 1995 |
| 31332 | Walters Drilling | | Oil Operator | Mar 1988 |
| 31333 | Walters Frank | Pernell, OK 73076 | Oil & Gas Operator | Sep 2014 |
| 31334 | Walters Oil Company | Elmore City, OK 73433-9505 | Oil & Gas Operator | Apr 2025 |
| 31335 | Walters Oil LLC | Elmore City, OK 73433-8637 | Oil Operator | Apr 2020 |
| 31336 | Walters Oil Well Service Inc | Walters, OK 73572-0467 | Oil & Gas Operator | Nov 2000 |
| 31337 | Walters Production | | Oil Operator | Mar 2005 |
| 31338 | Walterscheid, A. D. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2014 |
| 31339 | Walterscheid, R. F. | Muenster, TX 76252 | Oil & Gas Operator | Oct 1993 |
| 31340 | Waltman Family LP | Maud, OK 74854-2603 | Oil Operator | Mar 2025 |
| 31341 | Waltman Oil & Gas | Maud, OK 74854-9739 | Oil Operator | Sep 2001 |
| 31342 | Walton Producing Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2005 |
| 31343 | Walton Producing Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 31344 | Walton Properties LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 31345 | Walton, James A. | Midland, TX 79702 | Oil & Gas Operator | Oct 1994 |
| 31346 | Walton, Tara | Copan, OK 74022 | Oil Operator | Oct 2024 |
| 31347 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 31348 | Wam Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2016 |
| 31349 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 31350 | Wandoo Energy, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Jun 2025 |
| 31351 | Wandover Charles T SR | Inverness, FL 34452-7527 | Oil & Gas Operator | Dec 2024 |
| 31352 | Wapi Operating LLC | McCurtain, OK 74944 | Oil & Gas Operator | Mar 2025 |
| 31353 | Wapiti Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2006 |
| 31354 | Wapiti Oil & Gas LLC | Houston, TX 77024 | Oil Operator | Dec 2011 |
| 31355 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Jun 2025 |
| 31356 | War Cry, LLC | Russell, KS 67665 | Oil Operator | Feb 2025 |
| 31357 | Warbonnet Exploration Company | Houston, TX 77056 | Oil & Gas Operator | Apr 2016 |
| 31358 | Ward & Son* Alfred | | Oil & Gas Operator | Jun 2023 |
| 31359 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 31360 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 31361 | Ward M Haggard Oil And Gas Exploration Inc | | Oil Operator | Apr 2025 |
| 31362 | Ward Oil Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 31363 | Ward Oil Company An Okla Corp | McAlester, OK 74501 | Oil & Gas Operator | Feb 1993 |
| 31364 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Mar 2025 |
| 31365 | Ward Trust | Spring, TX 77383 | Oil & Gas Operator | May 2013 |
| 31366 | Ward, Charles Oil Company | Olney, TX 76374 | Oil Operator | Jun 2025 |
| 31367 | Ward, E. B. | Alice, TX 78333 | Oil & Gas Operator | Jun 2001 |
| 31368 | Ward, L. S. | Graham, TX 76450 | Oil & Gas Operator | Jun 2001 |
| 31369 | Ward, Ted G. Jr. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2000 |
| 31370 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
| 31371 | Ward-Williston Drilling Co. | | Oil & Gas Operator | Dec 1994 |
| 31372 | Ware House Industries | Casper, WY 82605 | Oil & Gas Operator | Dec 2013 |
| 31373 | Ware Jimmy M | Seminole, OK 74868 | Oil & Gas Operator | Nov 1998 |
| 31374 | Ware, Lonnie | | Oil & Gas Operator | Mar 2025 |
| 31375 | Warfield John E | Cleo Springs, OK 73729-9723 | Oil & Gas Operator | Jul 2005 |
| 31376 | Warfield Management, LLC | Newman, GA 30263 | Gas Operator | Dec 2021 |
| 31377 | Warhorse Oil & Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 31378 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Feb 2025 |
| 31379 | Warner Clifford E | Newark, OH 43055 | Oil Operator | Dec 2022 |
| 31380 | Warner George H | Pomeroy, OH 45769 | Oil & Gas Operator | Dec 2014 |
| 31381 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 31382 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 31383 | Warner Oil Prod | | Oil Operator | Apr 1995 |
| 31384 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | Mar 2025 |
| 31385 | Warner Sisters, LLC | Thompsons Sta, TN 37179 | Oil Operator | Jun 2025 |
| 31386 | Warner Ventures Inc | | Oil Operator | Dec 2024 |
| 31387 | Warner, Mark T. Oil Co | Pampa, TX 79065 | Oil & Gas Operator | Jul 2021 |
| 31388 | Warner-Pawel | Alice, TX 78333 | Oil & Gas Operator | Jun 2025 |
| 31389 | Warnock Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2013 |
| 31390 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 31391 | Warrego Oil & Gas LLC | Lander, WY 82520 | Oil Operator | May 2018 |
| 31392 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Apr 2025 |
| 31393 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Jun 2025 |
| 31394 | Warren Drilling Co | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2024 |
| 31395 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 31396 | Warren Enterprises Inc | Gillette, WY 82718 | Oil Operator | Dec 2022 |
| 31397 | Warren Producers Inc | Bowling Green, KY 42102 | Oil & Gas Operator | Dec 2017 |
| 31398 | Warren Production Services | Caldwell, TX 77836 | Oil & Gas Operator | Jun 2025 |
| 31399 | Warren, Earl T. | San Angelo, TX 76906 | Oil & Gas Operator | Jun 2025 |
| 31400 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |