| 27201 | Smith Vacuum Service | Snyder, TX 79550 | Oil & Gas Operator | Jun 2025 |
| 27202 | Smith Vernon C | Tulsa, OK 74104 | Oil & Gas Operator | Jan 2025 |
| 27203 | Smith VIcki L Palmer | Lawton, OK 73505-1701 | Oil & Gas Operator | Dec 2014 |
| 27204 | Smith, Alan S | | Gas Operator | Dec 2022 |
| 27205 | Smith, Albert E. Jr. & Allan E. | Van Etten, NY 14889 | Gas Operator | Dec 2023 |
| 27206 | Smith, Carl E Petroleum Inc | Sandyville, WV 25275-0000 | Oil & Gas Operator | Dec 2021 |
| 27207 | Smith, Clyde H. Oper. Co., Inc. | | Oil & Gas Operator | Jun 1994 |
| 27208 | Smith, Darrin R | Wilson, KS 67490 | Oil Operator | Feb 2025 |
| 27209 | Smith, David | Wichita Falls, TX 76310 | Oil Operator | Jun 2025 |
| 27210 | Smith, Diman T. And Louann | Sinclairville, NY 14782 | Gas Operator | Dec 2023 |
| 27211 | Smith, Donald B | | Oil Operator | Dec 2020 |
| 27212 | Smith, Donald B (Deceased) | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 27213 | Smith, Donnie D. | Coleman, TX 76834 | Gas Operator | Oct 2017 |
| 27214 | Smith, E. J. | Fort Worth, TX 76137 | Oil & Gas Operator | Jun 2025 |
| 27215 | Smith, E.N. III Energy Corp. | Marshall, TX 75671 | Oil & Gas Operator | Sep 2006 |
| 27216 | Smith, Edward J. | Clifton, NJ 07013 | Oil & Gas Operator | Dec 1995 |
| 27217 | Smith, Frederick H. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 27218 | Smith, Gordon R. | Madison, KS 66860 | Oil Operator | Nov 1998 |
| 27219 | Smith, J.V. Oil Company | Dallas, TX 75248 | Gas Operator | Jun 2025 |
| 27220 | Smith, James E DRLG Co | | Oil Operator | Dec 2010 |
| 27221 | Smith, Joe H. | Argyle, TX 76226 | Oil & Gas Operator | Nov 1998 |
| 27222 | Smith, Joe T., Inc. | Hawley, TX 79525 | Oil & Gas Operator | Jun 2025 |
| 27223 | Smith, John A. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 27224 | Smith, L C Production | Jacksonville, TX 75766 | Oil Operator | Jun 2025 |
| 27225 | Smith, L. C. | Jacksonville, TX 75766 | Oil & Gas Operator | Jun 2025 |
| 27226 | Smith, Loren E. And Foster, Chas. P. | Broomfield, CO 80020 | Oil Operator | Mar 2025 |
| 27227 | Smith, Loren L. | Oswego, KS 67356 | Oil & Gas Operator | Sep 2009 |
| 27228 | Smith, Loretta Sue | Park City, KY 42160 | Oil Operator | Dec 2023 |
| 27229 | Smith, Mark A. & Laurel A. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 27230 | Smith, Marvin M. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 27231 | Smith, O. Dale & Smith, A. C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2000 |
| 27232 | Smith, R. E. Interests, Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 1998 |
| 27233 | Smith, Rodney L. | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2023 |
| 27234 | Smith, Roger G | Magnolia, AR 71753 | Oil Operator | Jan 2025 |
| 27235 | Smith, Ronald L. | Bolivar, NY 14715 | Oil Operator | Dec 2023 |
| 27236 | Smith, Ted H. | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 1998 |
| 27237 | Smith, W. Don | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2001 |
| 27238 | Smith, W.T. | Panhandle, TX 79068 | Oil & Gas Operator | Nov 2005 |
| 27239 | Smith, Walter E | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 27240 | Smith, William M | | Oil & Gas Operator | Feb 2025 |
| 27241 | Smith, Yvonne C. And Robert M. | Delevan, NY 14042 | Gas Operator | Dec 2023 |
| 27242 | Smith-Clement Exploration Inc | Edmond, OK 73013 | Oil Operator | Jul 1997 |
| 27243 | Smith-Wentworth | | Oil & Gas Operator | Sep 1983 |
| 27244 | Smith-Wentworth & Coquina | | Oil Operator | Jun 1983 |
| 27245 | Smith-Wentworth & Hughes & New | | Oil Operator | Jun 1983 |
| 27246 | Smithberger John D | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 27247 | Smithco Oil & Gas Inc | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 27248 | Smither Energy Co LLC | Broken Arrow, OK 74011-7615 | Oil & Gas Operator | Nov 2020 |
| 27249 | Smitherman, Leon C., Jr. | Andover, KS 67002 | Oil Operator | Feb 2025 |
| 27250 | Smiths Investment Inc | Sperry, OK 74073-4198 | Oil Operator | Jan 2025 |
| 27251 | SMK-La, Inc. | | Oil & Gas Operator | Sep 1999 |
| 27252 | Smokey Oil Company Inc | Casper, WY 82601 | Oil & Gas Operator | Dec 1996 |
| 27253 | Smokey Trail LLC | Thornton, CO 80241 | Oil & Gas Operator | Apr 2025 |
| 27254 | Smokey Valley Resources | Lyons, KS 67554 | Oil Operator | Jun 1998 |
| 27255 | Smokey Valley Resources, Inc. | Geneseo, KS 67444 | Oil Operator | Nov 2008 |
| 27256 | Smoky Valley Res | | Oil & Gas Operator | Dec 1995 |
| 27257 | Smoot, Richard P | Salt Lake City, UT 84102 | Oil & Gas Operator | Oct 2010 |
| 27258 | SMR Natural Gas Ventures Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1999 |
| 27259 | Smucker Ronald O | Somerset, OH 43783 | Oil & Gas Operator | Dec 2003 |
| 27260 | Smulcer, Jimmy A. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2002 |
| 27261 | Smyth Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2003 |
| 27262 | Smyth Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 27263 | SN Ef Maverick, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2023 |
| 27264 | SN Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 27265 | Snake Creek Oil & Gas Inc | Okmulgee, OK 74447-2041 | Oil & Gas Operator | Mar 2025 |
| 27266 | Snappy Services, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Jun 2025 |
| 27267 | SND Operating, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 27268 | Snedco, Inc. | Chickasha, OK 73023 | Oil Operator | Dec 2024 |
| 27269 | Snee & Eberly & People Natural Gas | Unknown, PA 15000 | Gas Operator | Dec 1986 |
| 27270 | Sneed Drilling Company | Cleveland, OK 74020 | Oil & Gas Operator | Feb 2025 |
| 27271 | Sneed William A Bill | Cleveland, OK 74020-1007 | Oil & Gas Operator | Mar 2025 |
| 27272 | Snelgrooes Oil Company Inc | Maysville, OK 73057-0631 | Oil & Gas Operator | Nov 2014 |
| 27273 | Snelgrooes Well Service Inc | Elmore City, OK 73433 | Oil & Gas Operator | May 2003 |
| 27274 | Snider Brothers | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2015 |
| 27275 | Snider Russell E | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 27276 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Jun 2025 |
| 27277 | Snow Oil Company | Nocona, TX 76255 | Oil Operator | Jun 2025 |
| 27278 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 27279 | Snow, Shannon | Gerry, NY 14733 | Gas Operator | Dec 2023 |
| 27280 | Snowy Owl LLC | Gillette, WY 82717 | Oil & Gas Operator | Apr 2025 |
| 27281 | SNR Central Oklahoma Operating LLC | Oklahoma City, OK 73116-7906 | Oil Operator | Apr 2025 |
| 27282 | SNR Kansas Operating, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2019 |
| 27283 | SNR Operating, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Jun 2025 |
| 27284 | Snuffy'S Oilfield Service Inc | Hennessey, OK 73742-6511 | Oil & Gas Operator | Nov 2014 |
| 27285 | Snuggs Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Jan 2024 |
| 27286 | SNW Operating Company | Borger, TX 79008 | Oil & Gas Operator | Jun 2025 |
| 27287 | Snyder Bros Inc | Kittanning, PA 16201 | Oil & Gas Operator | Apr 2025 |
| 27288 | Snyder Brothers, Inc. | | Oil & Gas Operator | Dec 2018 |
| 27289 | Snyder Drilling Corp. | Albany, TX 76430 | Oil & Gas Operator | Jun 2025 |
| 27290 | Snyder K E Compa | | Oil Operator | Jul 1987 |
| 27291 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 27292 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 27293 | Snyder Oper Partnership | FT Worth, TX 76102 | Gas Operator | Dec 1988 |
| 27294 | Snyder Partners | Cody, WY 82414 | Oil & Gas Operator | Apr 2025 |
| 27295 | Snyder Partners, General Partnership | Cody, WY 82414 | Oil & Gas Operator | Jul 2019 |
| 27296 | Snyder, Jim Estate (Deceased) | Hamilton, KS 66853 | Oil Operator | Dec 2009 |
| 27297 | Snyder, K. Lance | Hamilton, KS 66853 | Oil Operator | Nov 2004 |
| 27298 | Snyder, Kenneth L. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 27299 | Snyder, Larry G. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 27300 | Snyder, Robert R | | Oil Operator | Dec 2012 |