| 28501 | Thomas Production | Electra, TX 76360 | Oil & Gas Operator | Mar 2015 |
| 28502 | Thomas Production Co Inc | | Oil & Gas Operator | Mar 2015 |
| 28503 | Thomas R Sivley | Southlake, TX 76092 | Oil & Gas Operator | Mar 2013 |
| 28504 | Thomas R. Banks | | Oil Operator | Feb 2024 |
| 28505 | Thomas Resources Corporation | Monahans, TX 79756 | Oil Operator | Mar 2008 |
| 28506 | Thomas Steel Strip Corp | Warren, OH 44485 | Oil & Gas Operator | Dec 2023 |
| 28507 | Thomas Turman | | Oil & Gas Operator | Dec 1991 |
| 28508 | Thomas Wayne Oil & Gas | Bristow, OK 74010-0544 | Oil & Gas Operator | Jan 2018 |
| 28509 | Thomas Well Serv | | Oil Operator | Dec 1996 |
| 28510 | Thomas Well Service, Inc. | Easton, KS 66020 | Oil Operator | Jan 2024 |
| 28511 | Thomas, B. K. | Plano, TX 75093 | Oil & Gas Operator | Jan 2008 |
| 28512 | Thomas, Ellis W | | Oil & Gas Operator | Jan 2024 |
| 28513 | Thomas, M.A. Oil Associates | Nocona, TX 76255 | Oil & Gas Operator | May 2024 |
| 28514 | Thomas, Mark C Operating | | Oil Operator | Aug 2009 |
| 28515 | Thomas, Mike | Nixon, TX 78140 | Oil Operator | May 2024 |
| 28516 | Thomas, R. W. Inc. | Norman, OK 73070 | Oil & Gas Operator | Apr 2015 |
| 28517 | Thomas, T. N. Oil Company | Aiken, SC 29801 | Oil & Gas Operator | May 2024 |
| 28518 | Thomas, Vernon C. | Gardner, KS 66030 | Oil Operator | Jun 2015 |
| 28519 | Thomason Oil Com | | Oil Operator | Oct 1984 |
| 28520 | Thomason Petroleum, Inc | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 28521 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2018 |
| 28522 | Thompson & James Cleo Thompson, Jr.* & J Cleo | | Oil & Gas Operator | Jan 2010 |
| 28523 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 28524 | Thompson Drilling Company, Inc. | Independence, KS 67301 | Oil Operator | Sep 2001 |
| 28525 | Thompson Energy Resources LLC | | Oil & Gas Operator | Feb 2024 |
| 28526 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 28527 | Thompson Felton | Dewey, OK 74029 | Oil Operator | Jul 1999 |
| 28528 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 28529 | Thompson James R | Okmulgee, OK 74447-0610 | Oil & Gas Operator | Feb 2024 |
| 28530 | Thompson Oil Co. | Corsicana, TX 75151 | Oil & Gas Operator | Feb 2024 |
| 28531 | Thompson Operating Co. | Abernathy, TX 79311 | Oil & Gas Operator | Aug 1994 |
| 28532 | Thompson Roy G | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 1993 |
| 28533 | Thompson, Diana & Glenn | Fredonia, NY 14063 | Gas Operator | Dec 2022 |
| 28534 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 28535 | Thompson, J C | Denver, CO 80237-2843 | Oil & Gas Operator | Jul 2005 |
| 28536 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 28537 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |
| 28538 | Thompson, Mark P. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 28539 | Thompson, Mark V. | South Dayton, NY 14138 | Gas Operator | Dec 2022 |
| 28540 | Thompson, Richard W. Inc. | Plano, TX 75024 | Oil & Gas Operator | May 2024 |
| 28541 | Thompson, Timothy G. | Delevan, NY 14042 | Gas Operator | Dec 2022 |
| 28542 | Thomsen Brothers Co., LLC | Lamont, KS 66855 | Oil Operator | Jan 2024 |
| 28543 | Thor Operating Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 1995 |
| 28544 | Thor Production Co. | | Oil Operator | May 1997 |
| 28545 | Thor-Max Operating, Inc. | Plano, TX 75025 | Oil & Gas Operator | May 2024 |
| 28546 | Thornberry Family Partnership LTD. | New Waverly, TX 77358 | Oil Operator | Nov 2023 |
| 28547 | Thornberry Oilfield Service, Inc | Conroe, TX 77302 | Oil & Gas Operator | Aug 2003 |
| 28548 | Thorne Harold & | | Oil Operator | May 1994 |
| 28549 | Thornton & Brooks, Inc. | | Oil & Gas Operator | Oct 1990 |
| 28550 | Thornton Drilling Company Ptrnship | Eureka, KS 67045 | Oil Operator | Jun 2010 |
| 28551 | Thornton Minerals, LLC | Jacksboro, TX 76458 | Gas Operator | May 2024 |
| 28552 | Thornton Oil Co. | Abilene, TX 79603 | Oil & Gas Operator | Aug 2003 |
| 28553 | Thornton Operating Corporation | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2014 |
| 28554 | Thornton Page Natural Gas | | Oil & Gas Operator | Jan 2024 |
| 28555 | Thornton, Michael D. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 1995 |
| 28556 | Thorofare Resources, Inc | | Oil & Gas Operator | May 2011 |
| 28557 | Thoroughbred Associates L.L.C. | Wichita, KS 67226 | Oil & Gas Operator | Jan 2024 |
| 28558 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 28559 | THP Operating LLC | Santa Anna, TX 76878 | Oil & Gas Operator | May 2024 |
| 28560 | Thrall Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2024 |
| 28561 | Thrall Texas Oil, LLC | | Oil & Gas Operator | Jan 2024 |
| 28562 | Thrash, Afton | Kilgore, TX 75663 | Oil & Gas Operator | Apr 1996 |
| 28563 | Three "N" One Production | | Oil & Gas Operator | Dec 2011 |
| 28564 | Three B Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 28565 | Three B, LP | Fort Worth, TX 76179 | Gas Operator | May 2024 |
| 28566 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 28567 | Three C Exploration, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
| 28568 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 28569 | Three D Petroleum LLC | | Oil Operator | Dec 2023 |
| 28570 | Three D Submersible Pumps, Inc. | Heavener, OK 74937 | Oil & Gas Operator | Aug 2003 |
| 28571 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | May 2024 |
| 28572 | Three Forks Resources LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | May 2024 |
| 28573 | Three G Inc | Cody, WY 82414 | Oil & Gas Operator | Dec 1999 |
| 28574 | Three G Oil Co | Baird, TX 79504 | Oil & Gas Operator | Jun 2004 |
| 28575 | Three J Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | May 2024 |
| 28576 | Three J Operating Company, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | May 2024 |
| 28577 | Three J'S Petroleum, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | May 2024 |
| 28578 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 28579 | Three Mile Joint Venture | Houston, TX 77027 | Oil & Gas Operator | Jul 1995 |
| 28580 | Three P Operating Co.,GP, L.L.C. | Newcastle, TX 76372 | Oil & Gas Operator | May 2024 |
| 28581 | Three P Operating Company | Newcastle, TX 76372 | Oil & Gas Operator | Nov 2007 |
| 28582 | Three R Oil Company | Post, TX 79356 | Oil & Gas Operator | May 2024 |
| 28583 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 28584 | Three Rivers Oper Co III LLC | Austin, TX 78735 | Oil & Gas Operator | Nov 2017 |
| 28585 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28586 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28587 | Three S & T Oil Co., Inc. | | Oil & Gas Operator | May 1985 |
| 28588 | Three Sands Investment Company | Waukomis, OK 73773-0370 | Oil & Gas Operator | Jan 2024 |
| 28589 | Three Sands Oil Inc | Perry, OK 73077-0853 | Oil & Gas Operator | May 2023 |
| 28590 | Three Sisters Investments, LTD | | Oil & Gas Operator | Oct 1989 |
| 28591 | Three Sisters LLC | Cheyenne, WY 82001 | Oil Operator | Mar 2024 |
| 28592 | Three Sisters Petroleum, Inc. | Oil City, LA 71061 | Oil & Gas Operator | Jan 2024 |
| 28593 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 28594 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 28595 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
| 28596 | Three Summits Operating LLC | Grapevine, TX 76051 | Oil & Gas Operator | May 2024 |
| 28597 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | May 2024 |
| 28598 | Three-C Oil And Gas | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
| 28599 | Three-C Production Company | Temple, TX 76502 | Oil Operator | May 2024 |
| 28600 | Three-D Resources, Inc. | Liberal, KS 67905 | Oil & Gas Operator | Jan 2024 |