| 26501 | Shannon Petroleum Inc | Tulsa, OK 74136-4603 | Oil & Gas Operator | Oct 2016 |
| 26502 | Shannon Williams | | Oil Operator | Jan 1993 |
| 26503 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 26504 | Shappell Oil Company, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 26505 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 26506 | Sharber Billy Jack Operating | Konawa, OK 74849-0071 | Oil & Gas Operator | Mar 2015 |
| 26507 | Sharber Don E | Okemah, OK 74859-0322 | Oil Operator | Dec 2018 |
| 26508 | Sharber Production Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 26509 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Jul 2025 |
| 26510 | Sharkey Well Service Inc | | Oil Operator | Dec 2023 |
| 26511 | Sharoco Corporation | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1996 |
| 26512 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
| 26513 | Sharon Resources | | Oil Operator | Sep 1995 |
| 26514 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 26515 | Sharp Anthony G | Shawnee, OK 74802-1701 | Oil & Gas Operator | Jul 2003 |
| 26516 | Sharp Engineerin | | Oil Operator | Aug 1995 |
| 26517 | Sharp Image Energy, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Jul 2025 |
| 26518 | Sharp, Cherry L | Jacksboro, TX 76458 | Oil Operator | Jul 2025 |
| 26519 | Sharp, Harry D. | Leawood, KS 66209 | Oil Operator | May 1997 |
| 26520 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 26521 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 26522 | Sharpe Energy Company | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 26523 | Sharples Phillip T Trust | Denver, CO 80264 | Oil & Gas Operator | Nov 2020 |
| 26524 | Shattuck SWD LLC | Shattuck, OK 73858-0848 | Oil Operator | Mar 2022 |
| 26525 | Shattuck, Frank E. & Carol D. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26526 | Shaver Tommy L | Kingfisher, OK 73750-9612 | Oil & Gas Operator | Apr 2015 |
| 26527 | Shaw George R | | Oil & Gas Operator | Mar 1992 |
| 26528 | Shaw Robert Lesl | | Oil Operator | Oct 1989 |
| 26529 | Shaw Thomas P | Tulsa, OK 74105-7327 | Oil & Gas Operator | Mar 2015 |
| 26530 | Shaw, George R. (Deceased) | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 26531 | Shaw, T. G. Oil Company, LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | Jul 2025 |
| 26532 | Shaw-Laird, LLC | | Oil & Gas Operator | Jan 2017 |
| 26533 | Shawmar Oil & Gas Co., Inc. | Sunnyvale, TX 75182 | Oil & Gas Operator | Dec 2023 |
| 26534 | Shawmar Oil Comp | | Oil & Gas Operator | Feb 1995 |
| 26535 | Shawmut Production Corporation | Pittsburgh, PA 15219-1913 | Oil & Gas Operator | Jan 2003 |
| 26536 | Shawnee Investment Company, Inc. | Council Grove, KS 66846 | Oil Operator | Apr 2002 |
| 26537 | Shawnee Oil Development Co Inc | | Oil & Gas Operator | May 2025 |
| 26538 | Shawver & Shawver | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 26539 | Shawver & Son Inc | Oklahoma City, OK 73154-0778 | Oil & Gas Operator | Oct 2024 |
| 26540 | Shawver Energy Inc | Oklahoma City, OK 73154-0683 | Oil & Gas Operator | Apr 2014 |
| 26541 | Shea, Sidney & Phillips, Keri Eileen | | Gas Operator | Dec 2021 |
| 26542 | Shearer James I | Blairsville, PA 15717-0337 | Oil & Gas Operator | Dec 2003 |
| 26543 | Shearer Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2002 |
| 26544 | Shearer, Robert C | Barberton, OH 44203 | Oil & Gas Operator | Dec 2021 |
| 26545 | Shearhart, Gary L. | Havana, KS 67347 | Oil Operator | Oct 2001 |
| 26546 | Shebester Inc | Maysville, OK 73057 | Oil & Gas Operator | Nov 1998 |
| 26547 | Shed Oil Company | Electra, TX 76360 | Oil Operator | Jul 2025 |
| 26548 | Sheedy Energy Production Company | | Oil Operator | Jan 2025 |
| 26549 | Sheedy, John D. | North Tonawanda, NY 14120 | Gas Operator | Dec 2024 |
| 26550 | Sheel Oil Compan | | Oil Operator | Jan 1985 |
| 26551 | Sheer Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 26552 | Sheets Exploration Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2016 |
| 26553 | Sheets George M & Judith A | Tonkawa, OK 74653 | Oil & Gas Operator | Apr 2025 |
| 26554 | Sheets, P. A. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 1994 |
| 26555 | Sheffler Industries | Phoenix, AZ 85013 | Oil Operator | Aug 1999 |
| 26556 | Shefts & Shefts, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jul 2025 |
| 26557 | Shelburne Oil Company | Oklahoma City, OK 73116-7639 | Gas Operator | Feb 2020 |
| 26558 | Shelby Boswell Operator, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 26559 | Shelby H. Loe, SR. Oil Co. | | Oil Operator | Jul 1989 |
| 26560 | Shelby Operating Company | Dallas, TX 75205 | Oil & Gas Operator | Jul 2025 |
| 26561 | Shelby Operating, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 1997 |
| 26562 | Shelby Production Co. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2009 |
| 26563 | Shelby Production, Inc. | Kilgore, TX 75663 | Gas Operator | Jul 2025 |
| 26564 | Shelby Resources LLC | Denver, CO 80207 | Oil & Gas Operator | Mar 2025 |
| 26565 | Shelby, Michael H. | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2025 |
| 26566 | Shelco | Maysville, MO 64469 | Oil & Gas Operator | May 2021 |
| 26567 | Sheldon Brothers Agency | Salina, KS 67402 | Oil Operator | May 1998 |
| 26568 | Sheldon Resources, L.P. | Bryan, TX 77805 | Oil & Gas Operator | Jul 2025 |
| 26569 | Shelex Drilling Inc | Lexington, KY 40523 | Oil & Gas Operator | Dec 2024 |
| 26570 | Shelf Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 26571 | Shell Calif. Prod. Inc. | | Oil Operator | Dec 1980 |
| 26572 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26573 | Shell Land & Energy Co. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26574 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
| 26575 | Shell Oil Co. -Nola | | Oil & Gas Operator | Jun 2000 |
| 26576 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 26577 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 26578 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
| 26579 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Jul 2025 |
| 26580 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 26581 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 26582 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Mar 2025 |
| 26583 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 26584 | Shelly Energy Inc. | Berwyn, PA 19312 | Oil & Gas Operator | May 2025 |
| 26585 | Shelly Oil & Gas Inc | Avonmore, PA 15618-9748 | Gas Operator | Dec 2024 |
| 26586 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 26587 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | May 2025 |
| 26588 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 26589 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 26590 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 26591 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Apr 2025 |
| 26592 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Apr 2025 |
| 26593 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 26594 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 26595 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Nov 2024 |
| 26596 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 26597 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
| 26598 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 26599 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 26600 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |