| 26401 | SCZ Resources, LLC | Houston, TX 77055 | Oil Operator | Jan 2025 |
| 26402 | SD Royale Energy, Inc. | San Diego, CA 92159 | Oil & Gas Operator | May 2025 |
| 26403 | SDB Oil & Gas, LLC | Pasadena, TX 77502 | Oil Operator | May 2025 |
| 26404 | SDG Operating Company, Inc | Tyler, TX 75701 | Oil & Gas Operator | May 2025 |
| 26405 | SDG Resources L.P. | Montrose, CO 81402 | Oil & Gas Operator | May 2006 |
| 26406 | SDG Services LLC | Kilgore, TX 75663 | Oil Operator | May 2025 |
| 26407 | SDMB Resources LLC | Graham, TX 76450 | Gas Operator | May 2025 |
| 26408 | Sdoco, LLC | Highlands Ranch, CO 80129 | Oil Operator | Dec 2024 |
| 26409 | SDX Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | May 2025 |
| 26410 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 26411 | Sea Eagle Ford, LLC | Denver, CO 80265 | Oil & Gas Operator | Jun 2022 |
| 26412 | Sea Sand Oil Company | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 1995 |
| 26413 | Seaboard Gas Company | Edmond, OK 73034 | Oil & Gas Operator | Feb 1999 |
| 26414 | Seaboard Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2008 |
| 26415 | Seaboard Operating Co. | Midland, TX 79710 | Oil & Gas Operator | May 2025 |
| 26416 | Seaboard Pipe & Equip. Co. | | Oil & Gas Operator | May 1977 |
| 26417 | Seaboard Well Service, Inc. | | Oil & Gas Operator | Jan 1978 |
| 26418 | Seabreeze Production Co | Hungerford, TX 77448 | Oil & Gas Operator | May 2025 |
| 26419 | Seaco Production | Dripping SPGS, TX 78620 | Oil & Gas Operator | Feb 2016 |
| 26420 | Seago Operating Co., L.L.C. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2011 |
| 26421 | Seago Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | May 2025 |
| 26422 | Seagrove Resources LLC | Malakoff, TX 75148 | Oil & Gas Operator | Feb 2025 |
| 26423 | Seagull Development Corp | Massillon, OH 44646-7436-7436 | Oil & Gas Operator | Dec 2015 |
| 26424 | Seagull Energy Corporation | | Gas Operator | Mar 1987 |
| 26425 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
| 26426 | Seagull Mid-South Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 26427 | Seagull Midcon Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 26428 | Seagull Operatin | | Oil & Gas Operator | Jul 1995 |
| 26429 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 26430 | Seahawk Oil & Gas Company | Dallas, TX 75379 | Oil & Gas Operator | Aug 2007 |
| 26431 | Seahawk Oil International Inc | Newport Beach, CA 92660 | Oil & Gas Operator | Oct 1997 |
| 26432 | Seal Energy Company | | Oil Operator | Dec 2024 |
| 26433 | Seal Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2006 |
| 26434 | Seale, Don R. | Electra, TX 76360 | Oil & Gas Operator | May 2025 |
| 26435 | Sealexco | | Oil & Gas Operator | Jun 1992 |
| 26436 | Sealexco-Crescent Drilling | | Oil & Gas Operator | May 1986 |
| 26437 | Seals And Brown Oil Operating | Norman, OK 73072-3020 | Oil & Gas Operator | Sep 2024 |
| 26438 | Seals Oil Company | Fox, OK 73435-0222 | Oil & Gas Operator | Nov 2011 |
| 26439 | Sean M Sharp LLC | Chalk Hill, PA 15421 | Oil & Gas Operator | Mar 2025 |
| 26440 | Seanard Energy Company | Baton Rouge, LA 70808 | Oil & Gas Operator | Jul 2002 |
| 26441 | Seaport Inc | Oklahoma City, OK 73131 | Oil & Gas Operator | Feb 2025 |
| 26442 | Seaport Natural Gas Co., Inc. | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 26443 | Search Drilling Company | Houston, TX 77010 | Oil & Gas Operator | Feb 2001 |
| 26444 | Searchers Exploration | Brenham, TX 77833 | Oil Operator | May 2025 |
| 26445 | Searcy Brothers Inc | Tulsa, OK 74135-0433 | Oil Operator | Jun 2004 |
| 26446 | Sears Joe M | Bethany, OK 730084841 | Oil & Gas Operator | May 2013 |
| 26447 | Sears M N | Oklahoma City, OK 73143 | Oil & Gas Operator | Apr 2015 |
| 26448 | Sears Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 26449 | Seashore Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | May 2025 |
| 26450 | Seattle'S Best Consulting LLC | Austin, TX 78731 | Oil & Gas Operator | May 2025 |
| 26451 | Seaward Resources Inc. | | Gas Operator | Dec 1984 |
| 26452 | Seawide Limited | | Oil & Gas Operator | Jul 1983 |
| 26453 | Seay Dennis Regan | | Oil Operator | Jan 2001 |
| 26454 | Seay Exploration, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 26455 | Seay Oil & Gas, LTD. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Apr 2013 |
| 26456 | Sec Production Inc | Edmond, OK 73013-3709 | Oil & Gas Operator | Feb 2025 |
| 26457 | Secan Oil Co., Inc. | | Oil & Gas Operator | May 1987 |
| 26458 | Secan Oil Co., Inc.-Pennington | | Oil & Gas Operator | May 1987 |
| 26459 | Seco Petroleum Corp | Houston, TX 77290 | Oil & Gas Operator | Jan 1997 |
| 26460 | Seco Production Company | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 26461 | Second Wind Production Company Inc. | | Oil Operator | Dec 2013 |
| 26462 | Secondary Gas Recovery Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1993 |
| 26463 | Secondary Oil Corp., Inc. | Austin, TX 78750 | Oil Operator | Apr 1999 |
| 26464 | Secondary Recovery, Inc. | | Oil & Gas Operator | Dec 1991 |
| 26465 | Secure Exploration And Production, LLC | | Oil Operator | Dec 2024 |
| 26466 | Security Pacific National Bank | | Oil Operator | Dec 1990 |
| 26467 | Sed Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 26468 | Sedalia Energy, LLC | | Oil & Gas Operator | Mar 2018 |
| 26469 | Sedco Resources Inc | Kerrville, TX 78029 | Oil & Gas Operator | May 2025 |
| 26470 | Sedna Energy LLC | Blanchard, OK 73010-8043 | Gas Operator | Apr 2017 |
| 26471 | Sedona Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | May 2025 |
| 26472 | See Oil | | Oil Operator | Jan 2025 |
| 26473 | Seeco | | Gas Operator | Mar 2016 |
| 26474 | Seeco, Inc. | | Gas Operator | Mar 2015 |
| 26475 | Seed Group/Aa Drilling | | Oil Operator | Oct 2009 |
| 26476 | Seedy Draw LLC | Greenwood VIllage, CO 80111 | Oil Operator | Mar 2025 |
| 26477 | Seek Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2025 |
| 26478 | Seeker Oil Company II, Inc. | San Antonio, TX 78209 | Oil Operator | Jan 2016 |
| 26479 | Seeker Oil Company, Incorporated | San Antonio, TX 78209 | Oil & Gas Operator | May 2025 |
| 26480 | Seeker, LLC | Newkirk, OK 74647 | Oil & Gas Operator | Nov 2019 |
| 26481 | Seel-Mac Oil & Gas LLC | Richardson, TX 75080 | Oil Operator | Jul 2011 |
| 26482 | Seeley Oil Company, LLC | Cortez, CO 81321 | Oil & Gas Operator | Mar 2025 |
| 26483 | Seelig Oil Corpo | | Oil Operator | Apr 1985 |
| 26484 | Seely Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 26485 | Seelye, William L. | Plano, TX 75024 | Oil & Gas Operator | Oct 2005 |
| 26486 | Seer Operating LLC | Sheridan, WY 82801 | Oil & Gas Operator | Oct 2016 |
| 26487 | Seewald, Hughes | Amarillo, TX 79105 | Gas Operator | Jan 1997 |
| 26488 | Segars Operating | | Gas Operator | Apr 2014 |
| 26489 | Segco Oil & Gas Inc | Odessa, TX 79765 | Gas Operator | Oct 2005 |
| 26490 | Segler, Charles | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 26491 | Segrest-Ward Joint Venture | Longview, TX 75606 | Oil & Gas Operator | Jun 2001 |
| 26492 | Seguin Pump | Seguin, TX 78155 | Oil & Gas Operator | Sep 2017 |
| 26493 | Seguro Oil & Gas Inc | | Oil Operator | Jul 1992 |
| 26494 | Seguro Oil And Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2024 |
| 26495 | Seguro Well Service, Inc. | Gonzales, TX 78629 | Oil & Gas Operator | May 2025 |
| 26496 | Sei Operating, LLC | Mandeville, LA 70471 | Oil & Gas Operator | May 2025 |
| 26497 | Seibel Modern MFG. & Welding Corp. | Lancaster, NY 14086 | Gas Operator | Dec 2023 |
| 26498 | Seibert Darrel L/Chestnut | Cuyahoga Falls, OH 44224 | Oil & Gas Operator | Dec 1994 |
| 26499 | Seibert Oil & Gas | Hudson, OH 44236-4430-4430 | Oil & Gas Operator | Dec 1999 |
| 26500 | Seibert Oil, LLC | Macksville, KS 67557 | Oil & Gas Operator | Sep 2023 |