| 27501 | Staples, James W. | Tuleta, TX 78162 | Oil & Gas Operator | Sep 2014 |
| 27502 | Staples, James W. Prod. Co. | Tuleta, TX 78162 | Oil & Gas Operator | Nov 2024 |
| 27503 | Staples, Tommy Oil Co. | Pettus, TX 78146 | Oil & Gas Operator | Mar 2008 |
| 27504 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 27505 | Star Energy Inc | Dayton, PA 16222-4325 | Oil & Gas Operator | Dec 2023 |
| 27506 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 27507 | Star Falcon Oil Co. | | Oil Operator | Feb 1986 |
| 27508 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | Nov 2024 |
| 27509 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Nov 2024 |
| 27510 | Star Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1995 |
| 27511 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2023 |
| 27512 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Aug 2024 |
| 27513 | Star Oil Operating Company LLC | Centennial, CO 80112 | Oil Operator | Sep 2024 |
| 27514 | Star One Energy, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | May 2012 |
| 27515 | Star Production, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Nov 2024 |
| 27516 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 27517 | Star Resources, LTD. | Wichita, KS 67202 | Oil Operator | Nov 2002 |
| 27518 | Star Royalty Company | Oklahoma City, OK 73177 | Gas Operator | Sep 1998 |
| 27519 | Star-Jet Co. | Gainesville, TX 76240 | Oil Operator | Nov 2024 |
| 27520 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 27521 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Nov 2024 |
| 27522 | Stardust Leasing, Inc. | Richmond, TX 77469 | Oil & Gas Operator | Jul 1999 |
| 27523 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 27524 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 27525 | Stark Petroleum | Tuleta, TX 78162 | Oil & Gas Operator | Nov 2024 |
| 27526 | Starkey Oilfield Service, Inc. | Sweet Home, TX 77987 | Oil & Gas Operator | Aug 2004 |
| 27527 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 27528 | Starlight Resources LLC | | Oil & Gas Operator | Jun 2006 |
| 27529 | Starlight Ridge | Whitesboro, TX 76273 | Oil & Gas Operator | Nov 2024 |
| 27530 | Starr Operating Company | Austin, TX 78759 | Oil & Gas Operator | Nov 2024 |
| 27531 | Starr Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2024 |
| 27532 | Starrak Operating Company, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jun 1999 |
| 27533 | Startap, Inc. | Conroe, TX 77305 | Oil Operator | Nov 2024 |
| 27534 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2024 |
| 27535 | Stasney Well Service, LLC | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 27536 | Stasney, H. R. & Sons, LTD. | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 27537 | State Energy & Investment Inc. | | Oil & Gas Operator | Mar 1990 |
| 27538 | State Lands Commission | | Oil & Gas Operator | Aug 2024 |
| 27539 | State Line Exploration, LLC | | Oil & Gas Operator | Aug 2024 |
| 27540 | State Line Vacuum Services, LLC | | Oil Operator | Mar 2021 |
| 27541 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 27542 | States Exploration Inc | | Oil Operator | Jul 1985 |
| 27543 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2023 |
| 27544 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 27545 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 27546 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Nov 2024 |
| 27547 | Statoil Exploration (Us) Inc. | | Oil & Gas Operator | Jul 1997 |
| 27548 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 27549 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
| 27550 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 27551 | Staton Petroleum Inc | | Oil & Gas Operator | Dec 1994 |
| 27552 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2011 |
| 27553 | Staub, Larry | Richardson, TX 75080 | Oil & Gas Operator | Aug 2003 |
| 27554 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Nov 2024 |
| 27555 | Stauffer Oil & G | | Oil Operator | Jun 1987 |
| 27556 | Stauros Operating Company | Edmond, OK 73083-2707 | Oil & Gas Operator | Mar 2001 |
| 27557 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 27558 | STD Steel | Latrobe, PA 15650-0071 | Oil & Gas Operator | Dec 2002 |
| 27559 | Steadfast Oil & Gas, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2022 |
| 27560 | Stealth Energy Inc | Billings, MT 59101 | Oil Operator | Dec 2011 |
| 27561 | Stealth Energy USA Inc | Billings, MT 59104 | Oil Operator | Dec 2017 |
| 27562 | Stealth Onsite Solutions LLC | Pasadena, TX 77505 | Oil Operator | Nov 2024 |
| 27563 | Stealth, Inc. | Cross Plains, TX 76443 | Gas Operator | Mar 1997 |
| 27564 | Steamboat Oil And Gas LLC | Gillette, WY 82717 | Oil Operator | Sep 2024 |
| 27565 | Stearns | Crossroads, NM 88114 | Oil & Gas Operator | Jun 2024 |
| 27566 | Stearns Oil Company LLC | Willison, ND 58801 | Oil & Gas Operator | Sep 2024 |
| 27567 | Stearns Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 1993 |
| 27568 | Steaua Romana (Us) Inc. | | Oil & Gas Operator | Apr 1987 |
| 27569 | Stebell, Jean M. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 27570 | Stebeth Gas Production, Inc. | Beaumont, KS 67012 | Oil Operator | May 1996 |
| 27571 | Steckel Oil, LLC | Russell, KS 67665 | Oil Operator | Jul 2024 |
| 27572 | Stecklein Oil Co | | Oil Operator | Jul 1993 |
| 27573 | Stecklein Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | May 2024 |
| 27574 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2023 |
| 27575 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 27576 | Steele Jr Guy M Test Trust | Dallas, TX 75214-3756 | Gas Operator | Mar 2018 |
| 27577 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 27578 | Steele, Mark E. | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 27579 | Steffen Resource Development, LLC | Hutchinson, KS 67502 | Oil & Gas Operator | Jul 2024 |
| 27580 | Stehle Oil Company | | Oil Operator | Jun 2021 |
| 27581 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 27582 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 27583 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 27584 | Steinberger, D. | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1995 |
| 27585 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 27586 | Steindorf, Bert Oil & Gas Co. | Floresville, TX 78114 | Oil & Gas Operator | Nov 2024 |
| 27587 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 27588 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 27589 | Steinle Oil | | Oil Operator | Aug 2021 |
| 27590 | Steinman, Frank C. | Electra, TX 76360 | Oil & Gas Operator | Nov 2024 |
| 27591 | Steinwachs SR, James M | Robards, KY 42452 | Oil Operator | Dec 2022 |
| 27592 | Stekoll Oil & Gas, LTD. | | Oil Operator | Jun 1963 |
| 27593 | Stekoll Petroleu | | Oil Operator | Oct 1985 |
| 27594 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 27595 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jul 2024 |
| 27596 | Stellar Oil Company | Arvada, CO 80006 | Oil & Gas Operator | Dec 1998 |
| 27597 | Steller Energy & Investment Corp | Plano, TX 75093 | Oil & Gas Operator | Feb 2021 |
| 27598 | Stellex | De Leon, TX 76444 | Oil & Gas Operator | Nov 2024 |
| 27599 | Stelucan Energy, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Nov 2024 |
| 27600 | Stelzer Drilling Co. Inc. | Post, TX 79356 | Oil Operator | Nov 2024 |