| 26501 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 26502 | S & R Operating | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 26503 | S & S & H Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jul 2004 |
| 26504 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |
| 26505 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 26506 | S & S Oil | Ponca City, OK 74601 | Oil & Gas Operator | Dec 2009 |
| 26507 | S & S Oil & Gas Corporation | Okemah, OK 74859-0659 | Oil & Gas Operator | Sep 2014 |
| 26508 | S & S Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Jul 2016 |
| 26509 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Feb 2026 |
| 26510 | S & S Oil Company LLC | | Oil Operator | Nov 2025 |
| 26511 | S & S Oil Leasing | Chase, KS 67524 | Oil Operator | Sep 2025 |
| 26512 | S & S Oil, L.L.C. | Chase, KS 67524 | Oil Operator | Sep 2025 |
| 26513 | S & S Operating | Dumas, TX 79029 | Oil Operator | Feb 2026 |
| 26514 | S & S Operating Company, Inc. | Winnie, TX 77665 | Oil & Gas Operator | Feb 2026 |
| 26515 | S & S Production Company | Addison, TX 75001 | Oil Operator | Jul 2024 |
| 26516 | S & S Star Operating, LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2023 |
| 26517 | S & S Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 1998 |
| 26518 | S & T Oil Compan | | Oil Operator | Feb 1984 |
| 26519 | S & T Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2001 |
| 26520 | S & T SVC & Supply Inc | Pleasantville, PA 16341-2817 | Oil & Gas Operator | Dec 2025 |
| 26521 | S & T SWD LLC | Clinton, OK 73601-3130 | Oil Operator | Feb 2017 |
| 26522 | S & V Oil Incorp | | Oil & Gas Operator | Apr 1990 |
| 26523 | S & V Operating | Zephyr, TX 76890 | Oil & Gas Operator | Feb 2026 |
| 26524 | S & W Drilling C | | Oil Operator | May 1985 |
| 26525 | S & W Engine Supply | Oklahoma City, OK 73107 | Oil Operator | Jun 2003 |
| 26526 | S & W Engine Supply Inc | Oklahoma City, OK 73143 | Oil Operator | Jan 2000 |
| 26527 | S & W Oil & Gas, LLC | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 26528 | S & W Oil Compan | | Oil Operator | Dec 1986 |
| 26529 | S & W Petroleum Consultants, Inc. | Broomfield, CO 80020 | Gas Operator | Feb 2004 |
| 26530 | S & W Transports Inc | Velma, OK 73491 | Oil Operator | Nov 2025 |
| 26531 | S & Y Production Co. | Liberty, TX 77575 | Oil & Gas Operator | Jul 1996 |
| 26532 | S A C Operating Inc | Woodward, OK 73802-1749 | Oil & Gas Operator | Jan 1999 |
| 26533 | S And B Gauging Services, LLC | Spring, TX 77386 | Oil Operator | Feb 2026 |
| 26534 | S And M Liquid Tire Fill Inc | | Oil Operator | Jun 2016 |
| 26535 | S C B Oil Co. | Fredonia, KS 66736 | Gas Operator | Dec 2009 |
| 26536 | S C Z Oil Compan | | Oil & Gas Operator | Feb 1995 |
| 26537 | S Enterprises | | Oil & Gas Operator | Nov 1986 |
| 26538 | S G L B Operating Company Inc | | Oil & Gas Operator | Nov 1993 |
| 26539 | S H Production LLC | Tulsa, OK 74130-1418 | Oil & Gas Operator | Oct 2025 |
| 26540 | S J Murphy Oil And Gas Inc | | Oil & Gas Operator | Nov 2025 |
| 26541 | S M Brothers Investments LLC | Denver, CO 80210-6059 | Oil Operator | Nov 2025 |
| 26542 | S M Hammack | | Gas Operator | Feb 2003 |
| 26543 | S M K Energy Corporation | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Feb 2026 |
| 26544 | S N D Energy Company, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Feb 2026 |
| 26545 | S O A L LLC | Farmington, NM 87499-2165 | Oil & Gas Operator | Jun 2023 |
| 26546 | S O S Recovery Inc | Enid, OK 73703-2403 | Oil & Gas Operator | Jul 2023 |
| 26547 | S O Utah | Irvine, CA 92715 | Oil & Gas Operator | Sep 1994 |
| 26548 | S R W Oil | Laverne, OK 73848 | Oil & Gas Operator | Sep 2025 |
| 26549 | S S M Partnership | | Oil & Gas Operator | Jul 1992 |
| 26550 | S S S Energy Co | Stow, OH 44224 | Oil & Gas Operator | Dec 1989 |
| 26551 | S T Industries Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2011 |
| 26552 | S W Energy Corporation | Salt Lake City, UT 84102 | Oil & Gas Operator | May 2020 |
| 26553 | S&B Petroleum Corporation | | Oil & Gas Operator | Jun 1994 |
| 26554 | S&G Oil LLC | Wichita Falls, TX 76309 | Oil & Gas Operator | Feb 2026 |
| 26555 | S&JB, LLC | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2026 |
| 26556 | S&S Heidrich | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2017 |
| 26557 | S&S Williams Inc | | Oil Operator | May 2004 |
| 26558 | S-2 Oil Company | | Oil Operator | Mar 1994 |
| 26559 | S. A. Camp Companies | | Oil & Gas Operator | Dec 1998 |
| 26560 | S. A. Oil Account | Borger, TX 79008 | Oil & Gas Operator | Dec 1997 |
| 26561 | S. G. Myers, Jr. | | Oil & Gas Operator | May 2005 |
| 26562 | S. G. Myers, Jr. Et Al | | Oil & Gas Operator | Jul 1991 |
| 26563 | S. H. Montgomery | | Oil & Gas Operator | Dec 1996 |
| 26564 | S. Lavon Evans Jr Inc, Et Al | | Oil & Gas Operator | Jan 2010 |
| 26565 | S. Lavon Evans Jr., Operating Co., Inc. | | Oil & Gas Operator | Aug 2014 |
| 26566 | S. M. A. Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1997 |
| 26567 | S. M. Reynolds Opr. | | Gas Operator | Dec 1990 |
| 26568 | S. P. Penntex Energy, L.P. | Abilene, TX 79605 | Oil & Gas Operator | May 2003 |
| 26569 | S. P. Y. Oil Co. | Batson, TX 77519 | Oil & Gas Operator | Mar 2002 |
| 26570 | S. Parish Oil Company, Inc. | | Oil & Gas Operator | Dec 1997 |
| 26571 | S. R. Weilert Oil LLC | Wichita, KS 67208 | Oil Operator | Nov 2005 |
| 26572 | S. S. Tatum | | Oil Operator | Aug 1999 |
| 26573 | S. W. Ray, Et Al | | Oil Operator | Mar 2003 |
| 26574 | S.A.J.A.S | Brocton, NY 14716 | Gas Operator | Dec 2024 |
| 26575 | S.B. Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Sep 2019 |
| 26576 | S.B. Street Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 26577 | S.C.Z. Oil Company | Cherryvale, KS 67335 | Gas Operator | Dec 2003 |
| 26578 | S.E.D.I. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2015 |
| 26579 | S.H. Loe Oil Corp. | | Oil & Gas Operator | Jan 2025 |
| 26580 | S.J. Titan Co., A General Partnership | Hutchinson, KS 67502 | Oil & Gas Operator | May 2015 |
| 26581 | S.O.C. Investors, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 26582 | S.U.E. Company | Abilene, TX 79604 | Oil Operator | Jan 1998 |
| 26583 | S/H Petroleum Corporation | Hennessey, OK 73742-0477 | Oil & Gas Operator | Feb 2016 |
| 26584 | S2 Energy 1, LP | | Oil & Gas Operator | Nov 2012 |
| 26585 | S2 Energy Operating LLC | | Oil & Gas Operator | May 2023 |
| 26586 | S2 Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 26587 | S2 Oil, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Feb 2026 |
| 26588 | S2 Oil, LLC (1) | Albany, TX 76430 | Oil Operator | Feb 2026 |
| 26589 | Saap Energy, Inc | Newburgh, NY 12550 | Oil Operator | Dec 2023 |
| 26590 | Saaw Operating LLC | Protection, KS 67127 | Oil & Gas Operator | Sep 2025 |
| 26591 | Saba Energy Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Nov 1994 |
| 26592 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 26593 | Saba Petroleum Inc. | | Oil & Gas Operator | Mar 2006 |
| 26594 | Sabalo Exploration Operating,LLC | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Jan 2021 |
| 26595 | Sabalo II Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Feb 2026 |
| 26596 | Sabalo Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Jun 2021 |
| 26597 | Sabco Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2011 |
| 26598 | Sabco Operating Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2018 |
| 26599 | Saber Industries LP | Dallas, TX 75230 | Oil Operator | Dec 2024 |
| 26600 | Saber Oil & Gas Ventures, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |