| 27301 | Speer Kenneth G | Seminole, OK 74818-1202 | Oil & Gas Operator | Dec 2001 |
| 27302 | Speir R M Operating Company | Walters, OK 73572-3933 | Oil Operator | Aug 2024 |
| 27303 | Spellbound Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2024 |
| 27304 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Aug 2024 |
| 27305 | Spence Energy Company | Dallas, TX 75206 | Oil & Gas Operator | Nov 2024 |
| 27306 | Spence, Ralph Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2023 |
| 27307 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 27308 | Spencer Kevin LLC | Drumright, OK 74030-5825 | Oil & Gas Operator | Sep 2019 |
| 27309 | Spencer Oil Company | Borger, TX 79007 | Oil & Gas Operator | Sep 2024 |
| 27310 | Spencer Oil Company LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2015 |
| 27311 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 27312 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 27313 | Spencer-Cloughly Investments Inc | San Marcos, TX 78666 | Oil & Gas Operator | Aug 2002 |
| 27314 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 27315 | Sperry R J | Dallas, TX 75254-8647 | Oil & Gas Operator | Aug 2013 |
| 27316 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | Sep 2024 |
| 27317 | Spess Oil Company, A General Partnership | Cleveland, OK 74020 | Oil & Gas Operator | Jul 2024 |
| 27318 | SPH Development, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2022 |
| 27319 | Spheric Petroleum Inc. | Baltimore, MD 21208 | Oil & Gas Operator | Nov 2006 |
| 27320 | Spi Operations LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2013 |
| 27321 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 27322 | Spicewood Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 27323 | Spicy Daugx Operators Louisiana LLC | | Oil & Gas Operator | May 2024 |
| 27324 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2023 |
| 27325 | Spikes, Harry | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2000 |
| 27326 | Spiller Oil & Gas Company | Jacksboro, TX 76458 | Oil Operator | Nov 2024 |
| 27327 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
| 27328 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 27329 | Spiller, J. A. Company | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27330 | Spiller, J.A. | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27331 | Spiller, Joseph A. | Austin, TX 78746 | Oil & Gas Operator | Oct 1993 |
| 27332 | Spiller, Robert S. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1995 |
| 27333 | Spillers Petroleum, Inc. | | Gas Operator | Mar 2010 |
| 27334 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Nov 2024 |
| 27335 | Spindletop Oil & | | Oil Operator | Jun 1993 |
| 27336 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Nov 2024 |
| 27337 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 27338 | Spinnaker Exploration Co.,L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2005 |
| 27339 | Spiral Energy Corp. | Midland, TX 79705 | Oil & Gas Operator | Dec 2019 |
| 27340 | Spire Missouri Inc. | | Oil Operator | May 2022 |
| 27341 | Spire Oil Services LLC | | Oil & Gas Operator | Nov 2020 |
| 27342 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 27343 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2018 |
| 27344 | Spirit O&G Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Nov 2024 |
| 27345 | Spirit Petroleum Company | | Oil & Gas Operator | Apr 1999 |
| 27346 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 27347 | Spitfire Partners, LLC | Dallas, TX 75225 | Oil Operator | Nov 2024 |
| 27348 | Spivey, R. L. | Olney, TX 76374 | Oil Operator | Jul 2005 |
| 27349 | Spivey, William | Hays, KS 67601 | Oil Operator | Jun 1993 |
| 27350 | Splawn & Splawn | Saint Louis, OK 74866-0098 | Oil & Gas Operator | Jun 2024 |
| 27351 | Splechter, Tim | Yates Center, KS 66783 | Oil Operator | Jul 2024 |
| 27352 | Spokane Operating, LLC | | Oil & Gas Operator | Jun 2024 |
| 27353 | Sponte Operating, Inc. | Dallas, TX 75313 | Oil & Gas Operator | Nov 2024 |
| 27354 | Spoonemore Brothers | Spearman, TX 79081 | Oil & Gas Operator | Nov 2019 |
| 27355 | Spooner & Marlin Expl., Inc. | | Oil & Gas Operator | Mar 1990 |
| 27356 | Spooner Petroleum Company | | Oil & Gas Operator | Jun 2024 |
| 27357 | Spotted Hawk Development, LLC | | Oil & Gas Operator | Sep 2024 |
| 27358 | Spradco, Inc. | Towanda, KS 67144 | Oil Operator | Jul 2024 |
| 27359 | Spragins Ed S | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2024 |
| 27360 | Spragins, Ed | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2024 |
| 27361 | Sprague, Gary L. | Versailles, NY 14168 | Gas Operator | Dec 2023 |
| 27362 | Spri Oil & Gas, LLC | Houston, TX 77090 | Oil & Gas Operator | Mar 2020 |
| 27363 | Spring Creek Farm And Oil, LLC | Bixby, OK 74008 | Oil Operator | Sep 2022 |
| 27364 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 27365 | Spring Operating Company | Edmond, OK 73034 | Oil & Gas Operator | Sep 2024 |
| 27366 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 27367 | Spring Tide Petroleum Inc | Broken Arrow, OK 74011-6651 | Oil & Gas Operator | Jul 2024 |
| 27368 | Spring Tree Management LC | Abilene, TX 79604 | Oil Operator | May 2013 |
| 27369 | Spring Valley Development Co LLC | Centennial, CO 80014 | Oil & Gas Operator | Sep 2024 |
| 27370 | Spring Valley Oil & Gas Inc | Drummond, OK 73735 | Oil & Gas Operator | Sep 2024 |
| 27371 | Spring, Harry A. | Ardmore, OK 73401 | Oil Operator | Jul 2012 |
| 27372 | Springer Energy Company, LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2023 |
| 27373 | Springer, Lee A. | Independence, KS 67301 | Oil Operator | May 2014 |
| 27374 | Springfield Oil Services, Inc. | Mamaroneck, NY 10543 | Oil & Gas Operator | Nov 2024 |
| 27375 | Springs, Jesse | Luling, TX 78648 | Oil & Gas Operator | Jun 1998 |
| 27376 | Springville-Griffith Institute Central School Dist | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 27377 | Sproul, C. R. Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Aug 2000 |
| 27378 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Nov 2024 |
| 27379 | SPS, Inc. | Cheney, KS 67025 | Oil & Gas Operator | Jul 2024 |
| 27380 | Spur Energy | Midland, TX 79708 | Oil & Gas Operator | Mar 1996 |
| 27381 | Spur Energy Partners LLC | Houston, TX 77024 | Oil & Gas Operator | Aug 2024 |
| 27382 | Spur Operating Co. | Austin, TX 78701 | Oil & Gas Operator | Nov 2024 |
| 27383 | Spurgeon William Allan | Nowata, OK 74048-9713 | Oil Operator | Feb 2010 |
| 27384 | Spurgeon William C & Tammy D | Hominy, OK 74035 | Oil & Gas Operator | Sep 2024 |
| 27385 | Spyglass Cedar Creek, LP | | Gas Operator | Jul 2012 |
| 27386 | Spyglass Oil & Gas LLC | | Oil & Gas Operator | Jun 2024 |
| 27387 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
| 27388 | Square One Corporation | Giddings, TX 78942 | Oil & Gas Operator | Dec 2012 |
| 27389 | Square One Energy, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Oct 2015 |
| 27390 | Squaw Mountain Oil, LLC | Jacksboro, TX 76458 | Oil Operator | Nov 2024 |
| 27391 | Squirrel Oil & Gas Inc | Tonkawa, OK 74653 | Oil & Gas Operator | Mar 2022 |
| 27392 | Squyres Oil Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2024 |
| 27393 | SR Production Corp. | Liberty, TX 77575 | Oil & Gas Operator | Mar 2010 |
| 27394 | Sram Oil Incorporated | Winfield, KS 67156 | Oil & Gas Operator | Aug 2005 |
| 27395 | SRG Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 1994 |
| 27396 | SRP Production Corp. | | Oil & Gas Operator | Nov 1997 |
| 27397 | SRS Properties, LLC | Whitehouse, TX 75791 | Oil & Gas Operator | Nov 2024 |
| 27398 | SRV Oil Co | Coleman, TX 76834 | Oil Operator | Nov 2024 |
| 27399 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |
| 27400 | SS Operating LLC | Water Valley, TX 76958 | Oil Operator | Nov 2024 |