| 10201 | Smith, Ted H. | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 1998 |
| 10202 | Smith, W. Don | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2001 |
| 10203 | Smith, W.T. | Panhandle, TX 79068 | Oil & Gas Operator | Nov 2005 |
| 10204 | SMR Natural Gas Ventures Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1999 |
| 10205 | Smulcer, Jimmy A. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2002 |
| 10206 | Smyth Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2003 |
| 10207 | Smyth Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 10208 | SN Ef Maverick, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2023 |
| 10209 | SN Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 10210 | Snappy Services, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2026 |
| 10211 | SND Operating, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 10212 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2026 |
| 10213 | Snow Oil Company | Nocona, TX 76255 | Oil Operator | Apr 2026 |
| 10214 | Snow Operating Co., Inc. | Haltom City, TX 76117 | Oil & Gas Operator | Feb 2024 |
| 10215 | SNR Operating, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Apr 2026 |
| 10216 | Snuggs Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Jan 2024 |
| 10217 | SNW Operating Company | Borger, TX 79008 | Oil & Gas Operator | Apr 2026 |
| 10218 | Snyder Drilling Corp. | Albany, TX 76430 | Oil & Gas Operator | Apr 2026 |
| 10219 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
| 10220 | Snyder Partners | Cody, WY 82414 | Oil & Gas Operator | Jan 2026 |
| 10221 | So Operating Company | Cisco, TX 76437 | Oil & Gas Operator | Apr 2026 |
| 10222 | Socorro Exploration, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Apr 2026 |
| 10223 | Sogc, Inc. | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Feb 2026 |
| 10224 | Sogc, LLC | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Apr 2026 |
| 10225 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 10226 | Soil Energy, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Apr 2026 |
| 10227 | Sojitz Energy Venture, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2018 |
| 10228 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 10229 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Apr 2026 |
| 10230 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Apr 2026 |
| 10231 | Solano Gas Processing, Inc. | Austin, TX 78759 | Oil & Gas Operator | Aug 1998 |
| 10232 | Solar Exploration TX LLC | Tulsa, OK 74133 | Oil Operator | Dec 2018 |
| 10233 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Apr 2026 |
| 10234 | Soldier Creek Energy, LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 10235 | Solis Partners, L.L.C. | Midland, TX 79704 | Oil & Gas Operator | Jan 2026 |
| 10236 | Solo Oil & Gas Company LLC | Laredo, TX 78045 | Oil Operator | Apr 2026 |
| 10237 | Solutions Projects And Consulting, LLC | Houston, TX 77070 | Oil Operator | Apr 2026 |
| 10238 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 10239 | Somerset Operating, LLC | Weatherford, TX 76086 | Gas Operator | Apr 2026 |
| 10240 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 10241 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Jan 2026 |
| 10242 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 10243 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 10244 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 10245 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 10246 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 10247 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 10248 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2026 |
| 10249 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 10250 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Apr 2026 |
| 10251 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Apr 2026 |
| 10252 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Apr 2026 |
| 10253 | Sonterra Operating, Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2026 |
| 10254 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Apr 2026 |
| 10255 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 10256 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 10257 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 10258 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Apr 2026 |
| 10259 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2026 |
| 10260 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | Apr 2026 |
| 10261 | South Florida Investment Company | Pampa, TX 79066 | Oil & Gas Operator | Jun 1997 |
| 10262 | South Forty Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Oct 1993 |
| 10263 | South Houston Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 10264 | South Leeville, LLC | Houston, TX 77069 | Oil & Gas Operator | Oct 2022 |
| 10265 | South Loop Operating, L.C. | San Antonio, TX 78279 | Oil & Gas Operator | Apr 2009 |
| 10266 | South Oil, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 10267 | South Sam Operating Company, LLC | Lakehills, TX 78063 | Oil Operator | Apr 2026 |
| 10268 | South Texas Drilling & Expl, Inc | San Antonio, TX 78217 | Oil & Gas Operator | Jan 1999 |
| 10269 | South Texas Injection Company | Mineral, TX 78125 | Oil & Gas Operator | Dec 2016 |
| 10270 | South Texas Limited Partnership | Houston, TX 77060 | Oil & Gas Operator | Feb 1994 |
| 10271 | South Texas Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2026 |
| 10272 | South Texas SWD, Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
| 10273 | South West Texas Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Feb 2000 |
| 10274 | Southcoast Production Inc | Houston, TX 77010 | Oil & Gas Operator | Apr 2026 |
| 10275 | Southcoast Resources, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2015 |
| 10276 | Southcross Operating LLC | Amarillo, TX 79114 | Oil & Gas Operator | Oct 2005 |
| 10277 | Southeastern Pipe Line Company | Tyler, TX 75711 | Oil & Gas Operator | Dec 2020 |
| 10278 | Southeastern Resources Corp. | Mansfield, TX 76063 | Oil & Gas Operator | Feb 2004 |
| 10279 | Southerland, Glenn Oil & Gas Co. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 2021 |
| 10280 | Southern Alliance Oil Corp. | Grapevine, TX 76099 | Oil & Gas Operator | Apr 2026 |
| 10281 | Southern Bay Operating, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2013 |
| 10282 | Southern Crude, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2017 |
| 10283 | Southern Exploration, Inc. | Fort Worth, TX 76137 | Oil & Gas Operator | Aug 2023 |
| 10284 | Southern G Holdings, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 10285 | Southern Mineral Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2001 |
| 10286 | Southern Oil & Gas LLC | Corpus Christ, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 10287 | Southern Oil Of Louisiana LLC | Madisonville, LA 70447 | Oil & Gas Operator | Apr 2026 |
| 10288 | Southern Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 10289 | Southern Resource Company | Corpus Christ, TX 78404 | Oil & Gas Operator | Mar 2022 |
| 10290 | Southern Royalty Inc. | Corpus Christ, TX 78411 | Oil & Gas Operator | Feb 1997 |
| 10291 | Southern Tejas Asset Group LLC | McAllen, TX 78501 | Oil & Gas Operator | Apr 2026 |
| 10292 | Southern Union Exploration Co. | Austin, TX 78701 | Oil & Gas Operator | Feb 2002 |
| 10293 | Southlake Exploration, Inc. | Southlake, TX 76092 | Oil & Gas Operator | Apr 2026 |
| 10294 | Southlake Operating LLC | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2026 |
| 10295 | Southland Energy Corporation | Houston, TX 77060 | Oil & Gas Operator | Aug 2022 |
| 10296 | Southland Royalty Co.-Midland | Midland, TX 79702 | Oil & Gas Operator | Mar 1996 |
| 10297 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 10298 | Southridge Operating Company | San Marcos, TX 78667 | Oil & Gas Operator | Apr 2026 |
| 10299 | Southstar Energy Corporation | Ardmore, OK 73401 | Gas Operator | Aug 1990 |
| 10300 | Southstone Energy, LLC | Austin, TX 78735 | Oil Operator | Apr 2026 |