| 25501 | Samuel Dale Hughes Dba Hughes Drilling Co. | Artesia, NM 88211026 | Oil Operator | May 2026 |
| 25502 | Samuel Gary Jr. & Assoc., Inc. | | Oil & Gas Operator | Mar 2023 |
| 25503 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Mar 2026 |
| 25504 | Samuel Jackson Production Co | | Oil Operator | Mar 2026 |
| 25505 | Samuel Joe L | Tulsa, OK 74135-7805 | Oil & Gas Operator | Jan 2001 |
| 25506 | Samuelson, Peter Philip | Bemus Point, NY 14712 | Gas Operator | Dec 2025 |
| 25507 | Samurai Operating Co. L.L.C. | Dayton, TX 77535 | Oil & Gas Operator | Jul 2026 |
| 25508 | San Angelo Cetco, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Mar 1998 |
| 25509 | San Antonio Gas & Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2000 |
| 25510 | San Cajo Oil Company | Edmonds, WA 98020 | Oil & Gas Operator | Jul 2026 |
| 25511 | San Carlos Oil & Gas Corp. | | Gas Operator | Dec 2003 |
| 25512 | San Dia Producing Company | Deanville, TX 77852 | Oil & Gas Operator | Jul 2026 |
| 25513 | San Francisco-Okla Pet Ex Inc | | Oil & Gas Operator | Apr 2014 |
| 25514 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Jul 2026 |
| 25515 | San Joaquin Facilities Management Inc. | | Oil & Gas Operator | May 2026 |
| 25516 | San Juan Minerals Explor | Mexican Hat, UT 84531 | Oil & Gas Operator | Apr 2006 |
| 25517 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2026 |
| 25518 | San Juan Services, Inc. | Farmington, NM 87402 | Oil Operator | Dec 2011 |
| 25519 | San Lor Co Inc Dba Lor San Oil Co | | Oil Operator | Apr 2026 |
| 25520 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Apr 2026 |
| 25521 | San Miguel Oil & Gas, Inc. | | Oil & Gas Operator | Jan 1993 |
| 25522 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
| 25523 | San Pet Inc | McPherson, KS 67460 | Oil Operator | May 1997 |
| 25524 | San Saba Energy | Hays, KS 67601 | Oil Operator | May 1998 |
| 25525 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 25526 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 25527 | Sanare Energy Partners, LLC | | Oil & Gas Operator | Dec 2024 |
| 25528 | Sanchez Exploration Company LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2024 |
| 25529 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Jul 2026 |
| 25530 | Sanchez Production, LLC | Pampa, TX 79065 | Oil & Gas Operator | Jul 2026 |
| 25531 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
| 25532 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 25533 | Sanchez-Obrien Oil & Gas | | Oil & Gas Operator | Aug 1986 |
| 25534 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |
| 25535 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Jul 2026 |
| 25536 | Sand Bar Oil Com | | Oil Operator | Jun 1986 |
| 25537 | Sand Boy Production Company | Bartlesville, OK 74003-9273 | Oil & Gas Operator | Apr 2026 |
| 25538 | Sand Creek Oil Co., Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jul 2012 |
| 25539 | Sand Creek Resources LLC | Woodward, OK 73801-5222 | Oil & Gas Operator | May 2026 |
| 25540 | Sand Dollar Ener | | Oil Operator | Aug 1984 |
| 25541 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 25542 | Sand Hawk, LLC | Devers, TX 77538 | Oil & Gas Operator | Jul 2026 |
| 25543 | Sand Hill, LTD. | | Gas Operator | Dec 2024 |
| 25544 | Sand Point LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Dec 2020 |
| 25545 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Apr 2026 |
| 25546 | Sand Resources LLC | Norman, OK 73072-4805 | Oil & Gas Operator | Aug 2012 |
| 25547 | Sand River O & E LLC | Amarillo, TX 79107 | Gas Operator | Dec 2004 |
| 25548 | Sand Springs Oil & Gas Co. | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2026 |
| 25549 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Jul 2026 |
| 25550 | Sandalwood Oil & Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 25551 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2025 |
| 25552 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 25553 | Sandefer & Andress, Inc. | | Oil & Gas Operator | Apr 1982 |
| 25554 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 25555 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
| 25556 | Sandel Energy, Inc. | Huntsville, TX 77342 | Oil & Gas Operator | Apr 2004 |
| 25557 | Sandel Operating Company | Huntsville, TX 77340 | Oil & Gas Operator | Jul 2026 |
| 25558 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
| 25559 | Sanders Energy LLC | Aledo, TX 76008 | Oil & Gas Operator | Jul 2026 |
| 25560 | Sanders Oil & Gas Co | Tyler, TX 75711 | Gas Operator | Aug 2017 |
| 25561 | Sanders Oil & Gas, LTD. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2015 |
| 25562 | Sanders Petroleum Corp | Roswell, NM 88201 | Gas Operator | Oct 1996 |
| 25563 | Sanders, Alice M. | Fredonia, NY 14063 | Gas Operator | Dec 2025 |
| 25564 | Sanders, Arthur J. | Wichita, KS 67217 | Oil Operator | Nov 1989 |
| 25565 | Sanders, Jack W | Wellsville, KS 66092 | Oil Operator | Feb 1996 |
| 25566 | Sanders, Larry E. Trustee | Longview, TX 75606 | Oil & Gas Operator | Jul 2026 |
| 25567 | Sandhawk Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2011 |
| 25568 | Sandhill L.L.C. | Wichita, KS 67202 | Gas Operator | Jun 2003 |
| 25569 | Sandhill Production Inc | Shongaloo, LA 71072 | Oil & Gas Operator | Dec 2019 |
| 25570 | Sandhills Oil Co. | Copan, OK 74022 | Oil Operator | Aug 1997 |
| 25571 | Sandia Energy Corporation-NM | Holdenville, OK 74848 | Oil & Gas Operator | Aug 2003 |
| 25572 | Sandia Operating Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2010 |
| 25573 | Sandia Production Co., Inc. | Corrales, NM 87048 | Oil & Gas Operator | Jul 2026 |
| 25574 | Sandler Raymond C | Los Angeles, CA 90067 | Oil Operator | Dec 1999 |
| 25575 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Jun 2026 |
| 25576 | Sandlot Oil & Gas LLC | Gruver, TX 79040 | Oil & Gas Operator | Jul 2026 |
| 25577 | Sandlott Energy (Jackie Brewer Dba) | Lovington, NM 88260 | Oil & Gas Operator | Dec 2024 |
| 25578 | Sandman Exploration, L.L.C. | Georgetown, TX 78627 | Oil & Gas Operator | Jul 2026 |
| 25579 | Sandollar Oil & Gas, Inc. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 1993 |
| 25580 | Sandor Petroleum Corporation | Crane, TX 79731 | Oil & Gas Operator | Jul 2026 |
| 25581 | Sandpoint Energy Partners LLC | | Oil Operator | Jan 2025 |
| 25582 | Sandpoint Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2026 |
| 25583 | Sandpoint Texas LLC | Houston, TX 77270 | Oil & Gas Operator | Jul 2026 |
| 25584 | Sandra Corporation (The) | Pampa, TX 79066-2474 | Gas Operator | Oct 1996 |
| 25585 | Sandra Turner Dba Grand Lake Resources | Hennessey, OK 73742 | Oil & Gas Operator | Apr 2026 |
| 25586 | Sandridge Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2018 |
| 25587 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Jul 2026 |
| 25588 | Sandridge Offshore, LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2014 |
| 25589 | Sandridge Onshore, LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 25590 | Sandridge Tertiary, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2012 |
| 25591 | Sandrock Energy LLC | Luther, OK 73054 | Oil & Gas Operator | May 2026 |
| 25592 | Sands Oil Company Inc | Billings, MT 59103 | Oil & Gas Operator | May 2026 |
| 25593 | Sands-American Corp | | Oil & Gas Operator | Jan 1990 |
| 25594 | Sandstone Dev LLC | Bradford, PA 16701-2922 | Oil & Gas Operator | Dec 2025 |
| 25595 | Sandstone Hills Energy Inc | Seminole, OK 74818-1938 | Oil & Gas Operator | Sep 2014 |
| 25596 | Sandstone Operating Company, Inc | Odessa, TX 79762 | Oil & Gas Operator | Jul 1995 |
| 25597 | Sandstone Resources | Saint Joseph, MO 64506 | Oil & Gas Operator | Dec 1995 |
| 25598 | Sandstone Resources, Inc. | Houston, TX 77043 | Oil & Gas Operator | Jul 2026 |
| 25599 | Sandstone Services, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 25600 | Sandy Petroleum Inc | Shawnee, OK 74801-5634 | Oil & Gas Operator | Mar 2026 |