| 10301 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 10302 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 10303 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2024 |
| 10304 | Stone Edge Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | May 2024 |
| 10305 | Stone Family Operating LLC | Holliday, TX 76366 | Oil Operator | May 2024 |
| 10306 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 10307 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 10308 | Stone, Christopher J. | Littlefield, TX 79339 | Oil Operator | Jan 2024 |
| 10309 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | May 2024 |
| 10310 | Stone, J. G. Oil Co. | Victoria, TX 77904 | Oil & Gas Operator | Sep 2018 |
| 10311 | Stone, M. L. | Kerrville, TX 78029 | Oil & Gas Operator | Aug 2003 |
| 10312 | Stonebriar Oil LLC | Frisco, TX 75034 | Oil & Gas Operator | May 2024 |
| 10313 | Stonebriar Operating, LLC | Plano, TX 75093 | Oil Operator | May 2024 |
| 10314 | Stoneburner Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Oct 1997 |
| 10315 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | May 2024 |
| 10316 | Stonegate Production Company,LLC | Houston, TX 77024 | Oil & Gas Operator | May 2024 |
| 10317 | Stoneham Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1995 |
| 10318 | Stoner Oil | Corsicana, TX 75109 | Oil Operator | May 2024 |
| 10319 | Stoner, C. M. | Cleburne, TX 76031 | Oil & Gas Operator | Oct 1996 |
| 10320 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | May 2024 |
| 10321 | Stonetown Properties, LTD. | Amarillo, TX 79114 | Oil & Gas Operator | Dec 2016 |
| 10322 | Stonewall Production Company Inc | Tyler, TX 75702 | Oil & Gas Operator | Aug 2009 |
| 10323 | Storm Oil | Burkburnett, TX 76354 | Oil & Gas Operator | May 2024 |
| 10324 | Storm Peak Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | May 2012 |
| 10325 | Story NRG LLC | Boerne, TX 78006 | Oil & Gas Operator | May 2024 |
| 10326 | Stout Consulting Services, Inc. | Alice, TX 78333 | Oil & Gas Operator | May 1999 |
| 10327 | Stout Energy Inc. | Midland, TX 79708 | Oil & Gas Operator | May 2024 |
| 10328 | Stout Energy Partners LLC | Sulphur SPGS, TX 75482 | Oil Operator | May 2024 |
| 10329 | Stovall Operating Co. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 10330 | Stovall, Howard | Cisco, TX 76437 | Oil & Gas Operator | May 2024 |
| 10331 | Stovall, Troy | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 10332 | Stowe Energy, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Mar 2003 |
| 10333 | Strago Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 1994 |
| 10334 | Strand Energy, Inc. (I) | Houston, TX 77002 | Oil & Gas Operator | Sep 1996 |
| 10335 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 10336 | Strand, Carlton Oil | Stamford, TX 79553 | Oil & Gas Operator | May 1997 |
| 10337 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |
| 10338 | Strange, Joyce Marital Trust | Holliday, TX 76366 | Oil Operator | May 2008 |
| 10339 | Strat Land Exploration Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 10340 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | May 2024 |
| 10341 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 10342 | Strata Star Petroleum Corp. | Uvalde, TX 78801 | Oil Operator | May 2024 |
| 10343 | Stratagas, Inc. | Rowlett, TX 75088 | Oil & Gas Operator | May 2006 |
| 10344 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | May 2024 |
| 10345 | Stratco, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 10346 | Strategy Operating, LLC | Midland, TX 79710 | Gas Operator | May 2024 |
| 10347 | Stratex Oil & Gas Holdings, Inc. | Watertown, CT 06795 | Oil Operator | Jun 2015 |
| 10348 | Stratlynn, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 10349 | Strawn DRLG. Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2005 |
| 10350 | Strawn Energy Services, LLC | Lubbock, TX 79404 | Oil Operator | May 2024 |
| 10351 | Strawn Operating Co., L.L.C. | El Paso, TX 79912 | Oil Operator | May 2024 |
| 10352 | Strawn Partners Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 10353 | Strawn Petroleum Operating, LLC | Dallas, TX 75254 | Oil & Gas Operator | May 2024 |
| 10354 | Stray Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2008 |
| 10355 | Stray Oil Company, LLC | Burkburnett, TX 76354 | Oil Operator | Nov 2017 |
| 10356 | Stream Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2024 |
| 10357 | Strebor Oil Co. | Dallas, TX 75225 | Oil & Gas Operator | Jun 1993 |
| 10358 | Street, Spencer B., Jr. | Graham, TX 76450 | Oil & Gas Operator | Mar 1998 |
| 10359 | Strike Too Oil | Albany, TX 76430 | Oil Operator | May 2024 |
| 10360 | Stringer Oil & Gas Co., Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Oct 1996 |
| 10361 | Striper Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2002 |
| 10362 | Stronghold Energy II Oper, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2022 |
| 10363 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
| 10364 | Stroube Family Partnership #2 | Corsicana, TX 75151 | Oil Operator | May 2024 |
| 10365 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 10366 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 10367 | Stroud Petroleum, Inc. | Shreveport, LA 71162 | Oil & Gas Operator | May 2024 |
| 10368 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2024 |
| 10369 | Struthoff Energy, L.L.C. | San Antonio, TX 78216 | Oil Operator | May 2024 |
| 10370 | Stryker Energy Corp. | Mesquite, TX 75180 | Oil & Gas Operator | May 2024 |
| 10371 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 10372 | STS Petroleum LLC | Houston, TX 77289 | Oil & Gas Operator | May 2024 |
| 10373 | Stuart Oil & Gas | Longview, TX 75606 | Oil & Gas Operator | May 2024 |
| 10374 | Stuart Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | May 2024 |
| 10375 | Stubblefield Energy Company | Abilene, TX 79604 | Oil & Gas Operator | May 2024 |
| 10376 | Stubbs Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Aug 1998 |
| 10377 | Stubbs, J. W. | Suwanee, GA 30024 | Oil & Gas Operator | Mar 2008 |
| 10378 | Studley Resources Corporation | Humble, TX 77347 | Oil & Gas Operator | Dec 1996 |
| 10379 | Stults, Joe K. | Archer City, TX 76351 | Oil & Gas Operator | Mar 2007 |
| 10380 | Stuteville Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 10381 | Stuteville, Jack | Olney, TX 76374 | Oil Operator | May 2024 |
| 10382 | STZ Petroleum Inc. | Houston, TX 77268 | Oil & Gas Operator | Dec 1997 |
| 10383 | Sub Surface Operations | Brownwood, TX 76804 | Oil & Gas Operator | May 2024 |
| 10384 | Suborp Energy, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2000 |
| 10385 | Subsea Operating Co. | Albany, TX 76430 | Oil & Gas Operator | May 2024 |
| 10386 | Subsurface Energy Corp. | Coleman, TX 76834 | Oil & Gas Operator | May 2024 |
| 10387 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 10388 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | May 2024 |
| 10389 | Subterranean Energy, LLC | Tyler, TX 75705 | Oil & Gas Operator | May 2024 |
| 10390 | Success Oil Company, Inc. | Beverly Hills, CA 90211 | Oil & Gas Operator | May 2024 |
| 10391 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | May 2024 |
| 10392 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 10393 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
| 10394 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
| 10395 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | May 2024 |
| 10396 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2024 |
| 10397 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 10398 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 10399 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | May 2024 |
| 10400 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |