| 27501 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | May 2026 |
| 27502 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | Jul 2026 |
| 27503 | Stesco Operating Company LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2026 |
| 27504 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27505 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | Jul 2026 |
| 27506 | Steve Burchett Oil Co | | Oil Operator | Dec 2023 |
| 27507 | Steve Smith | | Gas Operator | Dec 1987 |
| 27508 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27509 | Steveco | | Oil Operator | Feb 1984 |
| 27510 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27511 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27512 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27513 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 27514 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 27515 | Stevens, Carole J. | Cherry Creek, NY 14723 | Gas Operator | Dec 2025 |
| 27516 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2023 |
| 27517 | Stevenson Oil Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 27518 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 27519 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 27520 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2025 |
| 27521 | Steward Energy II, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2025 |
| 27522 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 27523 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 27524 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 27525 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 27526 | Stewart Construction | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 27527 | Stewart Contract Services | Mingus, TX 76463 | Oil & Gas Operator | Jul 2026 |
| 27528 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 27529 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 27530 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Jul 2026 |
| 27531 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | May 2026 |
| 27532 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27533 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 27534 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 27535 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Jul 2026 |
| 27536 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | May 2026 |
| 27537 | Stewart Oil Co. | | Oil Operator | Jun 2009 |
| 27538 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 27539 | Stewart Operating | | Oil Operator | Jul 2019 |
| 27540 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 27541 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 27542 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Mar 2026 |
| 27543 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 27544 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 27545 | Stewart, William C. | Amarillo, TX 79105 | Gas Operator | May 2003 |
| 27546 | Stice Oil Company | | Oil Operator | Mar 2026 |
| 27547 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 27548 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 27549 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 27550 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Apr 2026 |
| 27551 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 27552 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 27553 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2025 |
| 27554 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 27555 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 27556 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 27557 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 27558 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Jul 2025 |
| 27559 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 27560 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 27561 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Jul 2026 |
| 27562 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 27563 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 27564 | Stingray Oil Company, Inc. | Goldthwaite, TX 76844 | Oil Operator | Jul 2026 |
| 27565 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 27566 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 27567 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 27568 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 27569 | Stinson, Jan | | Oil Operator | May 1984 |
| 27570 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 27571 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 27572 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 27573 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 27574 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 27575 | STL Resources LLC | Sewickley, PA 15143-8859 | Gas Operator | Apr 2026 |
| 27576 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Jul 2026 |
| 27577 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Mar 2026 |
| 27578 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2026 |
| 27579 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 27580 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 27581 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 27582 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Jan 2026 |
| 27583 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 27584 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 27585 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 27586 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 27587 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 27588 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 27589 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 27590 | Stone Cabin Resources LLC | | Oil & Gas Operator | May 2026 |
| 27591 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 27592 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2026 |
| 27593 | Stone Edge Energy, LLC | El Campo, TX 77437 | Oil & Gas Operator | Jul 2026 |
| 27594 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 27595 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 27596 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 27597 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2026 |
| 27598 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 27599 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
| 27600 | Stone Oil Corp - Strata Energy | | Oil & Gas Operator | Mar 1982 |