| 27201 | Small, Louis E. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 27202 | Small, R.P. Corp. | Tulsa, OK 74103 | Oil & Gas Operator | May 2025 |
| 27203 | Smalley, Bill | Albany, TX 76430 | Oil & Gas Operator | Jul 2001 |
| 27204 | Smart Jr T J | Ryan, OK 73565 | Oil Operator | Sep 1994 |
| 27205 | Smart Service & Equipment LLC | Muskogee, OK 74401-5262 | Oil Operator | Aug 2013 |
| 27206 | SMC Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 27207 | Sme Well SVC Inc | Herman, PA 16039-0156 | Oil & Gas Operator | Dec 2024 |
| 27208 | Smiley Drilling Co | Oklahoma City, OK 73156-0773 | Oil & Gas Operator | Apr 1999 |
| 27209 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
| 27210 | Smith & Smith Petroleum Corp | | Oil & Gas Operator | Jan 2025 |
| 27211 | Smith & Spragins | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1995 |
| 27212 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
| 27213 | Smith Alfred Dba A-S Oil | Walters, OK 73572 | Oil Operator | Feb 2025 |
| 27214 | Smith Bart Oil & Gas Expl Inc | Council Hill, OK 74428-9603 | Oil & Gas Operator | Apr 2015 |
| 27215 | Smith Bob W | Ardmore, OK 73403-5214 | Oil & Gas Operator | Sep 2014 |
| 27216 | Smith Bradley D & Paul C | Pawhuska, OK 74056 | Oil Operator | Dec 2024 |
| 27217 | Smith Brothers Enterprises | Ardmore, OK 73402 | Oil Operator | Jul 1998 |
| 27218 | Smith Brothers Oil & Gas, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 27219 | Smith C W & Associates Inc | Oklahoma City, OK 73178-0105 | Oil & Gas Operator | Aug 2013 |
| 27220 | Smith C/Dba Sandy Supply | North FT Myers, FL 33903 | Oil & Gas Operator | Dec 1988 |
| 27221 | Smith Cheryl A | Copan, OK 74022 | Oil Operator | Jul 2024 |
| 27222 | Smith Claude W | Henryetta, OK 74437-7553 | Oil Operator | May 2008 |
| 27223 | Smith Conley P Operating Co | Eglewood, CO 80112-3640 | Oil & Gas Operator | Jun 2000 |
| 27224 | Smith Connie M & Sheryle | Chelsea, OK 74016-1959 | Oil Operator | Feb 2017 |
| 27225 | Smith Doug | Tulsa, OK 74107 | Oil & Gas Operator | Feb 2016 |
| 27226 | Smith Edward F | Avant, OK 74001-0024 | Oil & Gas Operator | Nov 2014 |
| 27227 | Smith Energy 1986a Partnership | Alvin, TX 77511 | Oil & Gas Operator | Feb 2010 |
| 27228 | Smith Energy Company LLC | Purcell, OK 73080-4772 | Oil & Gas Operator | May 2015 |
| 27229 | Smith Energy Corp | | Oil & Gas Operator | Jan 2024 |
| 27230 | Smith Energy Limited Partnership 1988 | | Oil & Gas Operator | May 2012 |
| 27231 | Smith Energy LLC | | Oil & Gas Operator | Mar 2025 |
| 27232 | Smith Energy Operating Company | Lubbock, TX 79423 | Oil & Gas Operator | May 2025 |
| 27233 | Smith Family LTD Partnership | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2004 |
| 27234 | Smith Harmon K | Wewoka, OK 74884 | Oil & Gas Operator | Jan 2013 |
| 27235 | Smith J S Production | Seminole, OK 74868 | Oil & Gas Operator | Feb 2025 |
| 27236 | Smith Jack Boyd | Elkhart, IN 46515-1968 | Oil & Gas Operator | Oct 2011 |
| 27237 | Smith Joyce | Okmulgee, OK 74447-6074 | Oil Operator | Nov 2024 |
| 27238 | Smith Kevin | Thermopolis, WY 82443 | Oil Operator | Sep 2024 |
| 27239 | Smith Land Surveying, Inc. Dba SLS Land & Energy Development | | Gas Operator | Dec 2021 |
| 27240 | Smith Management Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1992 |
| 27241 | Smith Manus L MFG Inc | Oklahoma City, OK 73147 | Oil & Gas Operator | Nov 1998 |
| 27242 | Smith Max Dean | Wewoka, OK 74884 | Oil & Gas Operator | Dec 2024 |
| 27243 | Smith Mike D | Stillwater, OK 74074 | Oil & Gas Operator | Apr 2015 |
| 27244 | Smith Oil & Gas Co., Inc. | Wichita Falls, TX 76310 | Oil Operator | Dec 2010 |
| 27245 | Smith Oil & Gas LLC | Livermore, CO 80536 | Gas Operator | Jan 2025 |
| 27246 | Smith Oil Compan | | Oil Operator | Sep 1994 |
| 27247 | Smith Oil Company | Smackover, AR 71762 | Oil Operator | Dec 2024 |
| 27248 | Smith Oil Operations | | Oil & Gas Operator | Jan 2025 |
| 27249 | Smith Oil Properties Inc | | Oil & Gas Operator | Nov 2022 |
| 27250 | Smith Operating & Management Co. | Shreveport, LA 71161 | Oil & Gas Operator | Feb 2005 |
| 27251 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
| 27252 | Smith Operating-Germany Oil | | Oil & Gas Operator | Dec 1995 |
| 27253 | Smith Patrica\Judith Miller | Collinsville, OK 74021-6307 | Oil Operator | Jun 2010 |
| 27254 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | May 2025 |
| 27255 | Smith Petroleum LLC | Barnsdall, OK 74002-0134 | Oil Operator | Feb 2025 |
| 27256 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | May 2025 |
| 27257 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 27258 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2025 |
| 27259 | Smith Ranch Company | Sharon Springs, KS 67758 | Gas Operator | May 2002 |
| 27260 | Smith Red Plains Production | | Oil & Gas Operator | Dec 2024 |
| 27261 | Smith Red Plains Production LLC | | Oil & Gas Operator | Apr 2025 |
| 27262 | Smith Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | May 2025 |
| 27263 | Smith Resources, L.L.C. | Marshall, TX 75671 | Oil & Gas Operator | May 2025 |
| 27264 | Smith Richard F | | Oil Operator | Jun 1995 |
| 27265 | Smith Richard L | Catoosa, OK 74015 | Oil & Gas Operator | Dec 2019 |
| 27266 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 27267 | Smith Shirley C | Claremore, OK 74017-0060 | Oil & Gas Operator | Mar 2015 |
| 27268 | Smith T W | Jeromesville, OH 44840 | Oil Operator | Dec 2016 |
| 27269 | Smith Terry | Wewoka, OK 74884 | Oil & Gas Operator | Mar 2015 |
| 27270 | Smith Todd W Oil | | Oil Operator | Jan 1994 |
| 27271 | Smith Vacuum Service | Snyder, TX 79550 | Oil & Gas Operator | May 2025 |
| 27272 | Smith Vernon C | Tulsa, OK 74104-4611 | Oil & Gas Operator | Jan 2025 |
| 27273 | Smith VIcki L Palmer | Lawton, OK 73505-1701 | Oil & Gas Operator | Dec 2014 |
| 27274 | Smith, Alan S | | Gas Operator | Dec 2022 |
| 27275 | Smith, Albert E. Jr. & Allan E. | Van Etten, NY 14889 | Gas Operator | Dec 2023 |
| 27276 | Smith, Carl E Petroleum Inc | Sandyville, WV 25275-0000 | Oil & Gas Operator | Dec 2021 |
| 27277 | Smith, Clyde H. Oper. Co., Inc. | | Oil & Gas Operator | Jun 1994 |
| 27278 | Smith, Darrin R | Wilson, KS 67490 | Oil Operator | Oct 2024 |
| 27279 | Smith, David | Wichita Falls, TX 76310 | Oil Operator | May 2025 |
| 27280 | Smith, Diman T. And Louann | Sinclairville, NY 14782 | Gas Operator | Dec 2023 |
| 27281 | Smith, Donald B | | Oil Operator | Dec 2020 |
| 27282 | Smith, Donald B (Deceased) | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 27283 | Smith, Donnie D. | Coleman, TX 76834 | Gas Operator | Oct 2017 |
| 27284 | Smith, E. J. | Fort Worth, TX 76137 | Oil & Gas Operator | May 2025 |
| 27285 | Smith, E.N. III Energy Corp. | Marshall, TX 75671 | Oil & Gas Operator | Sep 2006 |
| 27286 | Smith, Edward J. | Clifton, NJ 07013 | Oil & Gas Operator | Dec 1995 |
| 27287 | Smith, Frederick H. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 27288 | Smith, Gordon R. | Madison, KS 66860 | Oil Operator | Nov 1998 |
| 27289 | Smith, J.V. Oil Company | Dallas, TX 75248 | Gas Operator | May 2025 |
| 27290 | Smith, James E DRLG Co | | Oil Operator | Dec 2010 |
| 27291 | Smith, Joe H. | Argyle, TX 76226 | Oil & Gas Operator | Nov 1998 |
| 27292 | Smith, Joe T., Inc. | Hawley, TX 79525 | Oil & Gas Operator | May 2025 |
| 27293 | Smith, John A. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 27294 | Smith, L C Production | Jacksonville, TX 75766 | Oil Operator | May 2025 |
| 27295 | Smith, L. C. | Jacksonville, TX 75766 | Oil & Gas Operator | May 2025 |
| 27296 | Smith, Loren E. And Foster, Chas. P. | Broomfield, CO 80020 | Oil Operator | Mar 2025 |
| 27297 | Smith, Loren L. | Oswego, KS 67356 | Oil & Gas Operator | Sep 2009 |
| 27298 | Smith, Loretta Sue | Park City, KY 42160 | Oil Operator | Dec 2023 |
| 27299 | Smith, Mark A. & Laurel A. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 27300 | Smith, Marvin M. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |