| 27601 | Stone Oil Corp-Forest Oil Corp | | Oil & Gas Operator | Jan 1983 |
| 27602 | Stone Oil-Lamson-Onshore Pet. | | Oil & Gas Operator | May 1985 |
| 27603 | Stone Oil-Quasar-Birthright | | Oil & Gas Operator | Feb 1981 |
| 27604 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
| 27605 | Stone Ridge Energy LLC | Uniontown, PA 15401-6831 | Oil & Gas Operator | Apr 2026 |
| 27606 | Stone River Energy Corp | Edmond, OK 73034 | Oil & Gas Operator | Jan 2014 |
| 27607 | Stone Thomas R | Coweta, OK 74429-3293 | Oil & Gas Operator | Mar 2020 |
| 27608 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 27609 | Stone, D J | Palo Alto, CA 94301 | Oil & Gas Operator | Sep 1985 |
| 27610 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2026 |
| 27611 | Stone, J. G. Oil Co. | Victoria, TX 77904 | Oil & Gas Operator | Sep 2018 |
| 27612 | Stone, M. L. | Kerrville, TX 78029 | Oil & Gas Operator | Aug 2003 |
| 27613 | Stonebriar Oil LLC | Dallas, TX 75252 | Oil & Gas Operator | Jul 2026 |
| 27614 | Stonebriar Operating, LLC | Plano, TX 75093 | Oil Operator | Jul 2026 |
| 27615 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 27616 | Stoneburner Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Oct 1997 |
| 27617 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | Jul 2026 |
| 27618 | Stonegate Production Company,LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 27619 | Stonegate Ranch LLC | Caney, KS 67333 | Oil & Gas Operator | Mar 2026 |
| 27620 | Stoneham Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1995 |
| 27621 | Stoneham Production LLC | | Oil & Gas Operator | Apr 2026 |
| 27622 | Stonehaven Energy MGT Co LLC | Clearfield, PA 16830-7342 | Oil & Gas Operator | Dec 2019 |
| 27623 | Stoner Oil | Corsicana, TX 75109 | Oil Operator | Jul 2026 |
| 27624 | Stoner, C. M. | Cleburne, TX 76031 | Oil & Gas Operator | Oct 1996 |
| 27625 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 27626 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Jul 2026 |
| 27627 | Stonestreet, Vance | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2006 |
| 27628 | Stonetown Properties, LTD. | Amarillo, TX 79114 | Oil & Gas Operator | Dec 2016 |
| 27629 | Stonewall Gas Co | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 1999 |
| 27630 | Stonewall Production Company Inc | Tyler, TX 75702 | Oil & Gas Operator | Aug 2009 |
| 27631 | Stoney Brook Investments | Somerset, KY 42503 | Gas Operator | Dec 2024 |
| 27632 | Stoney Creek Production LLC | | Oil Operator | May 2026 |
| 27633 | Stoney Lake Production Co LLC | | Oil Operator | May 2026 |
| 27634 | Storch, Diane F. | Attica, NY 14011 | Gas Operator | Dec 2025 |
| 27635 | Storck Omer | Tulsa, OK 74105 | Oil Operator | Apr 1997 |
| 27636 | Storm Burchett Dba Storm Resources, LLC | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 27637 | Storm Cat Energy USA Operating Corp | Denver, CO 80202 | Gas Operator | Jun 2017 |
| 27638 | Storm Exploration Inc | Skiatook, OK 74070-1014 | Oil & Gas Operator | Jan 2013 |
| 27639 | Storm Industries | | Oil & Gas Operator | Dec 1988 |
| 27640 | Storm Oil | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2026 |
| 27641 | Storm Peak Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | May 2012 |
| 27642 | Story NRG LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2026 |
| 27643 | Story Oil And Gas Inc | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 27644 | Stoskopf, Wayne | Hoisington, KS 67544 | Oil Operator | Apr 1995 |
| 27645 | Stotts-Kirkpatri | | Oil Operator | Oct 1991 |
| 27646 | Stouder DRLG Co | | Oil & Gas Operator | Dec 2024 |
| 27647 | Stoudt, Jean Marie | Broken Arrow, OK 74011 | Oil Operator | May 2025 |
| 27648 | Stout Consulting Services, Inc. | Alice, TX 78333 | Oil & Gas Operator | May 1999 |
| 27649 | Stout Energy Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2026 |
| 27650 | Stout Energy Partners LLC | Sulphur SPGS, TX 75482 | Oil Operator | Jul 2026 |
| 27651 | Stovall Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 1998 |
| 27652 | Stovall Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 27653 | Stovall, Howard | Cisco, TX 76437 | Oil & Gas Operator | Jul 2026 |
| 27654 | Stovall, Troy | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 27655 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 27656 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 27657 | Stover Petroleum Inc | | Oil & Gas Operator | Mar 1990 |
| 27658 | Stowe Energy, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Mar 2003 |
| 27659 | Stowe Killingsworth | | Oil & Gas Operator | Apr 2023 |
| 27660 | Stowers Energy, LLC | Celebration, FL 34747 | Oil & Gas Operator | Dec 2021 |
| 27661 | STP Cherokee Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 27662 | STP Newco Inc | Oklahoma City, OK 73102-5641 | Oil & Gas Operator | Jul 2021 |
| 27663 | Strabala Joseph | | Oil Operator | Jan 1992 |
| 27664 | Strachan Exploration Inc | Englewood, CO 80112 | Oil & Gas Operator | Apr 2026 |
| 27665 | Strago Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 1994 |
| 27666 | Strahan Oil & Gas Co., Inc. | | Gas Operator | Oct 1983 |
| 27667 | Strait F W Incor | | Oil Operator | Jan 1992 |
| 27668 | Strand Energy, Inc. (I) | Houston, TX 77002 | Oil & Gas Operator | Sep 1996 |
| 27669 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 27670 | Strand, Carlton Oil | Stamford, TX 79553 | Oil & Gas Operator | May 1997 |
| 27671 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |
| 27672 | Strange, Joyce Marital Trust | Holliday, TX 76366 | Oil Operator | May 2008 |
| 27673 | Strat Land Exploration Company | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2026 |
| 27674 | Strata Energy Re | | Oil Operator | Nov 1987 |
| 27675 | Strata Energy, Inc. | | Oil & Gas Operator | Sep 1983 |
| 27676 | Strata Exploration, Inc. | Fairfield, IL 62837 | Oil & Gas Operator | Mar 2026 |
| 27677 | Strata Oil Corporation | Carmi, IL 62821 | Oil & Gas Operator | Jan 2002 |
| 27678 | Strata Oil Incor | | Oil Operator | Mar 1994 |
| 27679 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Jul 2026 |
| 27680 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 27681 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 27682 | Strata Production Co | Roswell, NM 882021030 | Oil & Gas Operator | May 2026 |
| 27683 | Strata Star Petroleum Corp. | Uvalde, TX 78801 | Oil Operator | Jul 2026 |
| 27684 | Strata Tech Services, Inc | Rowlett, TX 75088 | Oil Operator | Dec 2019 |
| 27685 | Strata-X Inc. | | Oil & Gas Operator | Dec 2025 |
| 27686 | Strataform, Inc. | | Gas Operator | Jun 2002 |
| 27687 | Stratagas, Inc. | Rowlett, TX 75088 | Oil & Gas Operator | May 2006 |
| 27688 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Mar 2026 |
| 27689 | Stratco Operating Co., Inc. | Austin, TX 78701 | Oil & Gas Operator | Jul 2026 |
| 27690 | Stratco, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27691 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 27692 | Strategy Operating, LLC | Midland, TX 79710 | Gas Operator | Jul 2026 |
| 27693 | Stratex Oil & Gas Holdings, Inc. | Watertown, CT 06795 | Oil Operator | Jun 2015 |
| 27694 | Stratex Oil And Gas, Inc. | Watertown, CT 06795 | Oil & Gas Operator | Jun 2016 |
| 27695 | Stratford Well Service Inc | Pond Creek, OK 73766-0310 | Oil Operator | Nov 2003 |
| 27696 | Stratlynn, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 27697 | Strawn DRLG. Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2005 |
| 27698 | Strawn Energy Services, LLC | Lubbock, TX 79424 | Oil Operator | Jul 2026 |
| 27699 | Strawn Operating Co., L.L.C. | El Paso, TX 79912 | Oil Operator | Jul 2026 |
| 27700 | Strawn Partners Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |