| 27401 | Stone Oil-Lamson-Onshore Pet. | | Oil & Gas Operator | May 1985 |
| 27402 | Stone Oil-Quasar-Birthright | | Oil & Gas Operator | Feb 1981 |
| 27403 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
| 27404 | Stone Ridge Energy LLC | Uniontown, PA 15401-6831 | Oil & Gas Operator | Mar 2026 |
| 27405 | Stone River Energy Corp | Edmond, OK 73034 | Oil & Gas Operator | Jan 2014 |
| 27406 | Stone Thomas R | Coweta, OK 74429-3293 | Oil & Gas Operator | Mar 2020 |
| 27407 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 27408 | Stone, D J | Palo Alto, CA 94301 | Oil & Gas Operator | Sep 1985 |
| 27409 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2026 |
| 27410 | Stone, J. G. Oil Co. | Victoria, TX 77904 | Oil & Gas Operator | Sep 2018 |
| 27411 | Stone, M. L. | Kerrville, TX 78029 | Oil & Gas Operator | Aug 2003 |
| 27412 | Stonebriar Oil LLC | Dallas, TX 75252 | Oil & Gas Operator | Jun 2026 |
| 27413 | Stonebriar Operating, LLC | Plano, TX 75093 | Oil Operator | Jun 2026 |
| 27414 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 27415 | Stoneburner Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Oct 1997 |
| 27416 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | Jun 2026 |
| 27417 | Stonegate Production Company,LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2026 |
| 27418 | Stonegate Ranch LLC | Caney, KS 67333 | Oil & Gas Operator | Feb 2026 |
| 27419 | Stoneham Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1995 |
| 27420 | Stoneham Production LLC | | Oil & Gas Operator | Feb 2026 |
| 27421 | Stonehaven Energy MGT Co LLC | Clearfield, PA 16830-7342 | Oil & Gas Operator | Dec 2019 |
| 27422 | Stoner Oil | Corsicana, TX 75109 | Oil Operator | Jun 2026 |
| 27423 | Stoner, C. M. | Cleburne, TX 76031 | Oil & Gas Operator | Oct 1996 |
| 27424 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 27425 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Jun 2026 |
| 27426 | Stonestreet, Vance | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2006 |
| 27427 | Stonetown Properties, LTD. | Amarillo, TX 79114 | Oil & Gas Operator | Dec 2016 |
| 27428 | Stonewall Gas Co | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 1999 |
| 27429 | Stonewall Production Company Inc | Tyler, TX 75702 | Oil & Gas Operator | Aug 2009 |
| 27430 | Stoney Brook Investments | Somerset, KY 42503 | Gas Operator | Dec 2024 |
| 27431 | Stoney Creek Production LLC | | Oil Operator | Feb 2026 |
| 27432 | Stoney Lake Production Co LLC | | Oil Operator | Feb 2026 |
| 27433 | Storch, Diane F. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 27434 | Storck Omer | Tulsa, OK 74105 | Oil Operator | Apr 1997 |
| 27435 | Storm Burchett Dba Storm Resources, LLC | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 27436 | Storm Cat Energy USA Operating Corp | Denver, CO 80202 | Gas Operator | Jun 2017 |
| 27437 | Storm Exploration Inc | Skiatook, OK 74070-1014 | Oil & Gas Operator | Jan 2013 |
| 27438 | Storm Industries | | Oil & Gas Operator | Dec 1988 |
| 27439 | Storm Oil | Burkburnett, TX 76354 | Oil & Gas Operator | Jun 2026 |
| 27440 | Storm Peak Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | May 2012 |
| 27441 | Story NRG LLC | Boerne, TX 78006 | Oil & Gas Operator | Jun 2026 |
| 27442 | Story Oil And Gas Inc | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 27443 | Stoskopf, Wayne | Hoisington, KS 67544 | Oil Operator | Apr 1995 |
| 27444 | Stotts-Kirkpatri | | Oil Operator | Oct 1991 |
| 27445 | Stouder DRLG Co | | Oil & Gas Operator | Dec 2024 |
| 27446 | Stoudt, Jean Marie | Broken Arrow, OK 74011 | Oil Operator | May 2025 |
| 27447 | Stout Consulting Services, Inc. | Alice, TX 78333 | Oil & Gas Operator | May 1999 |
| 27448 | Stout Energy Inc. | Midland, TX 79708 | Oil & Gas Operator | Jun 2026 |
| 27449 | Stout Energy Partners LLC | Sulphur SPGS, TX 75482 | Oil Operator | Jun 2026 |
| 27450 | Stovall Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 1998 |
| 27451 | Stovall Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 27452 | Stovall, Howard | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 27453 | Stovall, Troy | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 27454 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 27455 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 27456 | Stover Petroleum Inc | | Oil & Gas Operator | Mar 1990 |
| 27457 | Stowe Energy, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Mar 2003 |
| 27458 | Stowe Killingsworth | | Oil & Gas Operator | Apr 2023 |
| 27459 | Stowell, Cindy M. | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 27460 | Stowers Energy, LLC | Celebration, FL 34747 | Oil & Gas Operator | Dec 2021 |
| 27461 | STP Cherokee Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 27462 | STP Newco Inc | Oklahoma City, OK 73102-5641 | Oil & Gas Operator | Jul 2021 |
| 27463 | Strabala Joseph | | Oil Operator | Jan 1992 |
| 27464 | Strachan Exploration Inc | Englewood, CO 80112 | Oil & Gas Operator | Feb 2026 |
| 27465 | Strago Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 1994 |
| 27466 | Strahan Oil & Gas Co., Inc. | | Gas Operator | Oct 1983 |
| 27467 | Strait F W Incor | | Oil Operator | Jan 1992 |
| 27468 | Strand Energy, Inc. (I) | Houston, TX 77002 | Oil & Gas Operator | Sep 1996 |
| 27469 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 27470 | Strand, Carlton Oil | Stamford, TX 79553 | Oil & Gas Operator | May 1997 |
| 27471 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |
| 27472 | Strange, Joyce Marital Trust | Holliday, TX 76366 | Oil Operator | May 2008 |
| 27473 | Strat Land Exploration Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 27474 | Strata Energy Re | | Oil Operator | Nov 1987 |
| 27475 | Strata Energy, Inc. | | Oil & Gas Operator | Sep 1983 |
| 27476 | Strata Exploration, Inc. | Fairfield, IL 62837 | Oil & Gas Operator | Feb 2026 |
| 27477 | Strata Oil Corporation | Carmi, IL 62821 | Oil & Gas Operator | Jan 2002 |
| 27478 | Strata Oil Incor | | Oil Operator | Mar 1994 |
| 27479 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Jun 2026 |
| 27480 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 27481 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 27482 | Strata Production Co | Roswell, NM 882021030 | Oil & Gas Operator | Mar 2026 |
| 27483 | Strata Star Petroleum Corp. | Uvalde, TX 78801 | Oil Operator | Jun 2026 |
| 27484 | Strata Tech Services, Inc | Rowlett, TX 75088 | Oil Operator | Dec 2019 |
| 27485 | Strata-X Inc. | | Oil & Gas Operator | Dec 2025 |
| 27486 | Strataform, Inc. | | Gas Operator | Jun 2002 |
| 27487 | Stratagas, Inc. | Rowlett, TX 75088 | Oil & Gas Operator | May 2006 |
| 27488 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Feb 2026 |
| 27489 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Jun 2026 |
| 27490 | Stratco, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27491 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 27492 | Strategy Operating, LLC | Midland, TX 79710 | Gas Operator | Jun 2026 |
| 27493 | Stratex Oil & Gas Holdings, Inc. | Watertown, CT 06795 | Oil Operator | Jun 2015 |
| 27494 | Stratex Oil And Gas, Inc. | Watertown, CT 06795 | Oil & Gas Operator | Jun 2016 |
| 27495 | Stratford Well Service Inc | Pond Creek, OK 73766-0310 | Oil Operator | Nov 2003 |
| 27496 | Stratlynn, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 27497 | Strawn DRLG. Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2005 |
| 27498 | Strawn Energy Services, LLC | Lubbock, TX 79424 | Oil Operator | Jun 2026 |
| 27499 | Strawn Operating Co., L.L.C. | El Paso, TX 79912 | Oil Operator | Jun 2026 |
| 27500 | Strawn Partners Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |