| 401 | Slavens II Paul R | Tulsa, OK 74131-2244 | Oil & Gas Operator | Jan 2024 |
| 402 | Sloan Production Co | | Oil Operator | Jan 2013 |
| 403 | Smith Edward F | Avant, OK 74001-0024 | Oil & Gas Operator | Nov 2014 |
| 404 | Smith Patrica\Judith Miller | Collinsville, OK 74021-6307 | Oil Operator | Jun 2010 |
| 405 | Smith Richard L | Catoosa, OK 74015 | Oil & Gas Operator | Dec 2019 |
| 406 | Smiths Investment Inc | Sperry, OK 74073-4198 | Oil Operator | Dec 2023 |
| 407 | Sneed William A Bill | Cleveland, OK 74020-1007 | Oil & Gas Operator | Jan 2024 |
| 408 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 409 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 410 | Southern Operating Corporation | Broken Arrow, OK 74014 | Oil & Gas Operator | May 2013 |
| 411 | Southstar Oil And Gas Inc | Andover, KS 67002-0123 | Oil & Gas Operator | Jul 2020 |
| 412 | Sparkman Rodger E | Jenks, OK 74037-0267 | Oil Operator | Sep 2018 |
| 413 | Sparks Greg | Afton, OK 74331-3897 | Oil & Gas Operator | Jan 2024 |
| 414 | Sparks Mick Oil Company Inc | Jennings, OK 74038-0250 | Oil & Gas Operator | Feb 2024 |
| 415 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Feb 2024 |
| 416 | Storm Exploration Inc | Skiatook, OK 74070-1014 | Oil & Gas Operator | Jan 2013 |
| 417 | STP Cherokee, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 418 | Summit Energy, Inc. | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 419 | Sun Refining & Marketing | Philadelphia, PA 19103 | Oil & Gas Operator | Jul 2015 |
| 420 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 421 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 422 | Swenton, Michael J. | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2024 |
| 423 | Swift A W & Company Inc | Sand Springs, OK 74063-5124 | Oil Operator | Jun 2003 |
| 424 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 425 | T B K Energy Company | | Oil & Gas Operator | Feb 2024 |
| 426 | T Bar M Energy Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 427 | T C M LLC | | Gas Operator | Jun 2009 |
| 428 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 429 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 430 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 431 | Tec Pipeline LLC | Tulsa, OK 74128 | Oil & Gas Operator | Mar 2015 |
| 432 | Tec Resources, L.L.C. | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 433 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jan 2024 |
| 434 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 435 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 436 | The William R Earnhardt Company | Bristow, OK 74010-1114 | Oil & Gas Operator | Jan 2024 |
| 437 | Thomas E L | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2015 |
| 438 | Thomas Exploration Company | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2024 |
| 439 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Jan 2024 |
| 440 | Thunder Petroleum LLC | | Oil Operator | Sep 2022 |
| 441 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Feb 2024 |
| 442 | Tilley Matt Dba Tilley Oil Co | | Oil & Gas Operator | Jan 2024 |
| 443 | Tilley Oil & Gas, Inc. | Oklahoma City, OK 73172 | Oil & Gas Operator | May 2024 |
| 444 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2023 |
| 445 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 446 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Jan 2024 |
| 447 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 448 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 449 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 450 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 451 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 452 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 453 | Truckers Disposal Inc | Skiatook, OK 74070-0147 | Oil & Gas Operator | Feb 2024 |
| 454 | Uplands Resources Inc | Tulsa, OK 74103-4141 | Oil & Gas Operator | Jan 2024 |
| 455 | Vaco Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2003 |
| 456 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 457 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 458 | Wachob Oil & Gas LLC | | Oil Operator | Jun 2015 |
| 459 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Sep 2023 |
| 460 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 461 | Weins Horton L | Tulsa, OK 74157-1117 | Oil & Gas Operator | Jan 2024 |
| 462 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
| 463 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 464 | Western Petroleum Company Inc | Tulsa, OK 74170-2676 | Oil & Gas Operator | Apr 2020 |
| 465 | Westfall-Gooden Reserves LLC | | Oil & Gas Operator | Jan 2024 |
| 466 | WFD Oil Corporation | Edmond, OK 73012-0619 | Oil & Gas Operator | Feb 2024 |
| 467 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 468 | Wheeler & Hanlin MFG Co Inc | Tulsa, OK 74148 | Oil Operator | Jun 1998 |
| 469 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Jan 2024 |
| 470 | White Clarence A | Lawton, OK 73505-4927 | Oil & Gas Operator | Dec 2023 |
| 471 | White Mike Oil Field Service | Edmond, OK 73034 | Oil & Gas Operator | Jan 2013 |
| 472 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2024 |
| 473 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 474 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 475 | Williamson Ozella | Skiatook, OK 74070 | Oil Operator | Aug 2013 |
| 476 | Wilson H Drew | Sperry, OK 74073-0488 | Oil Operator | Jan 2024 |
| 477 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 478 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |
| 479 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 480 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 481 | Worstell Oil Co LLC | | Oil Operator | Aug 2023 |
| 482 | WP Oil LLC | | Oil Operator | Jan 2024 |
| 483 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 484 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Feb 2024 |
| 485 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
| 486 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 487 | Zimet Brothers Inc | | Oil Operator | Mar 2008 |