| 2401 | Stoskopf, Wayne | Hoisington, KS 67544 | Oil Operator | Apr 1995 |
| 2402 | Stotts-Kirkpatri | | Oil Operator | Oct 1991 |
| 2403 | Stouder DRLG Co | | Oil & Gas Operator | Dec 2024 |
| 2404 | Stoudt, Jean Marie | Broken Arrow, OK 74011 | Oil Operator | May 2025 |
| 2405 | Stout Consulting Services, Inc. | Alice, TX 78333 | Oil & Gas Operator | May 1999 |
| 2406 | Stout Energy Inc. | Midland, TX 79708 | Oil & Gas Operator | Jun 2026 |
| 2407 | Stout Energy Partners LLC | Sulphur SPGS, TX 75482 | Oil Operator | Jun 2026 |
| 2408 | Stovall Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 1998 |
| 2409 | Stovall Operating Co. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 2410 | Stovall, Howard | Cisco, TX 76437 | Oil & Gas Operator | Jun 2026 |
| 2411 | Stovall, Troy | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 2412 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 2413 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 2414 | Stover Petroleum Inc | | Oil & Gas Operator | Mar 1990 |
| 2415 | Stowe Energy, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Mar 2003 |
| 2416 | Stowe Killingsworth | | Oil & Gas Operator | Apr 2023 |
| 2417 | Stowell, Cindy M. | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 2418 | Stowers Energy, LLC | Celebration, FL 34747 | Oil & Gas Operator | Dec 2021 |
| 2419 | STP Cherokee Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 2420 | STP Newco Inc | Oklahoma City, OK 73102-5641 | Oil & Gas Operator | Jul 2021 |
| 2421 | Strabala Joseph | | Oil Operator | Jan 1992 |
| 2422 | Strachan Exploration Inc | Englewood, CO 80112 | Oil & Gas Operator | Feb 2026 |
| 2423 | Strago Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 1994 |
| 2424 | Strahan Oil & Gas Co., Inc. | | Gas Operator | Oct 1983 |
| 2425 | Strait F W Incor | | Oil Operator | Jan 1992 |
| 2426 | Strand Energy, Inc. (I) | Houston, TX 77002 | Oil & Gas Operator | Sep 1996 |
| 2427 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 2428 | Strand, Carlton Oil | Stamford, TX 79553 | Oil & Gas Operator | May 1997 |
| 2429 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |
| 2430 | Strange, Joyce Marital Trust | Holliday, TX 76366 | Oil Operator | May 2008 |
| 2431 | Strat Land Exploration Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 2432 | Strata Energy Re | | Oil Operator | Nov 1987 |
| 2433 | Strata Energy, Inc. | | Oil & Gas Operator | Sep 1983 |
| 2434 | Strata Exploration, Inc. | Fairfield, IL 62837 | Oil & Gas Operator | Feb 2026 |
| 2435 | Strata Oil Corporation | Carmi, IL 62821 | Oil & Gas Operator | Jan 2002 |
| 2436 | Strata Oil Incor | | Oil Operator | Mar 1994 |
| 2437 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Jun 2026 |
| 2438 | Strata Petroleum Co. | Midland, TX 79701 | Oil & Gas Operator | May 1997 |
| 2439 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 2440 | Strata Production Co | Roswell, NM 882021030 | Oil & Gas Operator | Mar 2026 |
| 2441 | Strata Star Petroleum Corp. | Uvalde, TX 78801 | Oil Operator | Jun 2026 |
| 2442 | Strata Tech Services, Inc | Rowlett, TX 75088 | Oil Operator | Dec 2019 |
| 2443 | Strata-X Inc. | | Oil & Gas Operator | Dec 2025 |
| 2444 | Strataform, Inc. | | Gas Operator | Jun 2002 |
| 2445 | Stratagas, Inc. | Rowlett, TX 75088 | Oil & Gas Operator | May 2006 |
| 2446 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Feb 2026 |
| 2447 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Jun 2026 |
| 2448 | Stratco, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 2449 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 2450 | Strategy Operating, LLC | Midland, TX 79710 | Gas Operator | Jun 2026 |
| 2451 | Stratex Oil & Gas Holdings, Inc. | Watertown, CT 06795 | Oil Operator | Jun 2015 |
| 2452 | Stratex Oil And Gas, Inc. | Watertown, CT 06795 | Oil & Gas Operator | Jun 2016 |
| 2453 | Stratford Well Service Inc | Pond Creek, OK 73766-0310 | Oil Operator | Nov 2003 |
| 2454 | Stratlynn, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 2455 | Strawn DRLG. Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2005 |
| 2456 | Strawn Energy Services, LLC | Lubbock, TX 79424 | Oil Operator | Jun 2026 |
| 2457 | Strawn Operating Co., L.L.C. | El Paso, TX 79912 | Oil Operator | Jun 2026 |
| 2458 | Strawn Partners Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 2459 | Strawn Petroleum Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 2460 | Stray Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2008 |
| 2461 | Stray Oil Company, LLC | Burkburnett, TX 76354 | Oil Operator | Nov 2017 |
| 2462 | Stream Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2025 |
| 2463 | Streamline Energy, LLC | Yates Center, KS 66783 | Oil & Gas Operator | Dec 2019 |
| 2464 | Streamline Oil And Gas Inc | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2026 |
| 2465 | Strebor Oil Co. | Dallas, TX 75225 | Oil & Gas Operator | Jun 1993 |
| 2466 | Street, Spencer B., Jr. | Graham, TX 76450 | Oil & Gas Operator | Mar 1998 |
| 2467 | Streetman Inc | | Oil Operator | Oct 1987 |
| 2468 | Stricker Resources Inc | Morris, OK 74445 | Oil & Gas Operator | Feb 2026 |
| 2469 | Strickler Emory | New Concord, OH 43762 | Oil & Gas Operator | Dec 2013 |
| 2470 | Stride Energy LLC | Piedmont, OK 73078 | Oil & Gas Operator | Mar 2026 |
| 2471 | Stright Roger | Amesville, OH 45711 | Oil & Gas Operator | Dec 2016 |
| 2472 | Strike Axe Oil And Gas Corporation | | Oil & Gas Operator | Mar 2021 |
| 2473 | Strike Energy Corporation | Blackwell, OK 74631 | Oil & Gas Operator | Jul 2023 |
| 2474 | Strike Energy LLC | Ardmore, OK 73401 | Oil Operator | Jan 2026 |
| 2475 | Strike Too Oil | Albany, TX 76430 | Oil Operator | Jun 2026 |
| 2476 | Striker Management Co LLC | Shawnee, OK 74801 | Oil & Gas Operator | Feb 2026 |
| 2477 | Striker Petroleum Corporation | Englewood, CO 80111 | Oil & Gas Operator | Dec 1999 |
| 2478 | Striker Petroleum Operations LLC | Frisco, TX 75034-2127 | Oil & Gas Operator | Nov 2014 |
| 2479 | Striker Robert E | Rogers, OH 44455 | Oil & Gas Operator | Dec 2025 |
| 2480 | Stringer E M | | Oil Operator | May 1996 |
| 2481 | Stringer Oil & Gas Co., Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Oct 1996 |
| 2482 | Striper Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2002 |
| 2483 | Stripper Oil Com | | Oil Operator | Nov 1996 |
| 2484 | Stripper Oil Company Inc | | Oil Operator | Jan 2026 |
| 2485 | Strippit, Inc. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 2486 | Stroke Of Luck Energy & Exploration LLC | Cassoday, KS 66842 | Oil Operator | Sep 2021 |
| 2487 | Stromquist C Dal | | Oil & Gas Operator | Aug 1991 |
| 2488 | Stromquist, C. Dale, A General Partnership | Liberal, KS 67901 | Oil & Gas Operator | Aug 2010 |
| 2489 | Strong Rock Operating Company, LLC | | Oil & Gas Operator | Mar 2026 |
| 2490 | Stronghold Energy II Oper, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2022 |
| 2491 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
| 2492 | Stroube Family Partnership #2 | Corsicana, TX 75151 | Oil Operator | Jun 2026 |
| 2493 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 2494 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 2495 | Stroud Operating LLC | | Oil & Gas Operator | Dec 2012 |
| 2496 | Stroud Petroleum Company | Oklahoma City, OK 73156-0156 | Oil Operator | Jun 2014 |
| 2497 | Stroud Petroleum, Inc. | Shreveport, LA 71162 | Oil & Gas Operator | Jun 2026 |
| 2498 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 2499 | Struck Rock Oil And Gas LLC | Geary, OK 73040 | Oil & Gas Operator | Feb 2026 |
| 2500 | Struthers Oil & Gas Corp | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2013 |