| 27501 | Sunburst, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | Mar 2024 |
| 27502 | Sunchase Exploration, Inc. | | Oil & Gas Operator | Oct 1997 |
| 27503 | Suncoast Investments Co., Inc. | Plano, TX 75074 | Oil & Gas Operator | Oct 2001 |
| 27504 | Suncoast Technical Service Inc | Plano, TX 75074-5438 | Oil Operator | Mar 2005 |
| 27505 | Suncoast Technical Services Inc | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
| 27506 | Suncoast Technical SVCS., Inc. | | Oil & Gas Operator | Dec 2011 |
| 27507 | Suncor Energy Natural Gas America Inc | Greenwood VIllage, CO 80111 | Gas Operator | Feb 2010 |
| 27508 | Sundance Consulting Corp. | Abilene, TX 79605 | Oil & Gas Operator | May 2024 |
| 27509 | Sundance Energy Corporation | | Oil & Gas Operator | Jan 2024 |
| 27510 | Sundance Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2014 |
| 27511 | Sundance Energy Oklahoma LLC Dba Seo LLC | | Oil & Gas Operator | Nov 2021 |
| 27512 | Sundance Oil & Gas, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Mar 2012 |
| 27513 | Sundance Oil Exploration Co | | Oil Operator | Mar 1986 |
| 27514 | Sundance Oil, Inc. | Norfolk, NE 68702 | Oil Operator | Aug 1998 |
| 27515 | Sundance Operating Co | | Oil & Gas Operator | Jul 2016 |
| 27516 | Sundance Resources, Inc. | Rio VIsta, TX 76093 | Oil & Gas Operator | Mar 2012 |
| 27517 | Sunday Corporation | Olney, TX 76374 | Oil & Gas Operator | May 2024 |
| 27518 | Sunday-Smith Mary E | Mannford, OK 74044-1457 | Oil & Gas Operator | Mar 2015 |
| 27519 | Sundgren, Stephen E. And Jackie | Rosalia, KS 67132 | Oil Operator | Jun 2023 |
| 27520 | Sundial Energy LLC | | Oil & Gas Operator | Feb 2024 |
| 27521 | Sundial Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 27522 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | May 2024 |
| 27523 | Sundown Energy, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jan 2024 |
| 27524 | Sunergon Oil Operating, LLC | Gainesville, TX 76240 | Oil Operator | May 2024 |
| 27525 | Sunex Resources Incorporated | | Oil Operator | Dec 1981 |
| 27526 | Sunfield Energy Company | Houston, TX 77084-5113 | Oil & Gas Operator | Jul 1999 |
| 27527 | Sunfire Energy | | Oil & Gas Operator | Nov 2023 |
| 27528 | Sunflower Energy, LLC | Overland Park, KS 66210 | Oil Operator | Dec 2019 |
| 27529 | Sunflower Exploration, LLC | Overland Park, KS 66210 | Gas Operator | Jan 2024 |
| 27530 | Sunflower Well Service, Inc. | Canton, KS 67428 | Oil & Gas Operator | Oct 2023 |
| 27531 | Sunland Enterprises Corp | Norman, OK 73071 | Oil Operator | Sep 2004 |
| 27532 | Sunland Production Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2024 |
| 27533 | Sunlight Exploration, Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2024 |
| 27534 | Sunny Day Resour | | Oil Operator | Dec 1987 |
| 27535 | Sunnybook Transmission Inc | Houston, TX 77002 | Oil & Gas Operator | Oct 1992 |
| 27536 | Sunoco Partners Marketing | | Oil Operator | Apr 2023 |
| 27537 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 27538 | Sunray DX Oil Co | | Gas Operator | Dec 1983 |
| 27539 | Sunray Energy, Inc. | Round Rock, TX 78683 | Oil & Gas Operator | Nov 2018 |
| 27540 | Sunray Oil Co., Inc. | Pampa, TX 79065 | Oil & Gas Operator | Jan 2013 |
| 27541 | Sunray Operating Company LLC | Sugar Land, TX 77498 | Oil & Gas Operator | May 2024 |
| 27542 | Sunray Petroleum Inc. | | Oil & Gas Operator | Feb 2024 |
| 27543 | Sunray-Taylor, Inc. | Midland, TX 79701 | Oil & Gas Operator | Nov 1993 |
| 27544 | Sunrise Energy Co | Dallas, TX 75206 | Oil & Gas Operator | Aug 1993 |
| 27545 | Sunrise Enterprises | Bowie, TX 76230 | Oil & Gas Operator | Dec 2016 |
| 27546 | Sunrise Oil Corp | | Oil Operator | Mar 1992 |
| 27547 | Sunrise Oil, LTD. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2004 |
| 27548 | Sunset 2018, LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2024 |
| 27549 | Sunset Energy L L C | Palm Harbor, FL 34683-3044 | Oil Operator | Dec 2007 |
| 27550 | Sunset Exploration Inc. | | Oil & Gas Operator | Feb 2024 |
| 27551 | Sunset Leases LLC | Ozona, TX 76943 | Oil Operator | May 2024 |
| 27552 | Sunset Well Service Holdings Inc | Midland, TX 79708 | Oil Operator | Apr 2013 |
| 27553 | Sunshine Oil & Gas, LLC | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2022 |
| 27554 | Sunshine Valley Petroleum | Casper, WY 82605 | Oil & Gas Operator | Mar 2024 |
| 27555 | Sunstone Energy Company | Tulsa, OK 74153 | Oil & Gas Operator | Aug 2009 |
| 27556 | Sunterra Energy Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2009 |
| 27557 | Sunwest Explorat | | Oil & Gas Operator | Nov 1985 |
| 27558 | Sunwest Oklahoma, Inc | Dallas, TX 75231 | Oil & Gas Operator | May 2023 |
| 27559 | Sunwest Operating Company L.L.C. | Englewood, CO 80155 | Oil & Gas Operator | Aug 2002 |
| 27560 | Suoco Oil Corporation | Pampa, TX 79066 | Oil & Gas Operator | May 2024 |
| 27561 | Supa Energy, Inc. | Shamrock, TX 79079 | Oil & Gas Operator | May 2024 |
| 27562 | Super Energy Inc. | | Oil & Gas Operator | Oct 1993 |
| 27563 | Super Heaters LLC | | Oil Operator | Mar 2022 |
| 27564 | Super Oilwell Service | Russell, KS 67665 | Oil Operator | Dec 2023 |
| 27565 | Superior - Austral | | Oil & Gas Operator | Apr 1978 |
| 27566 | Superior Companies Inc | Bartlesville, OK 74003-2621 | Oil & Gas Operator | May 2013 |
| 27567 | Superior Oil & Gas Company Of Oklahoma | Calumet, OK 73014-8528 | Oil & Gas Operator | Jan 2024 |
| 27568 | Superior Oil & Gas LLC | Ringwood, OK 73768-9658 | Oil & Gas Operator | Feb 2024 |
| 27569 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
| 27570 | Superior Oil Com | | Oil & Gas Operator | Dec 1994 |
| 27571 | Superior Oilfield Services LLC | Wichita, KS 67218 | Oil Operator | Nov 2023 |
| 27572 | Superior Operating LLC | | Oil Operator | Aug 2020 |
| 27573 | Superior Production LLC | | Oil & Gas Operator | Feb 2024 |
| 27574 | Superior Production MGMT Inc | Calumet, OK 73014 | Oil & Gas Operator | Mar 2015 |
| 27575 | Superior Resources Corporation | | Oil Operator | Apr 2006 |
| 27576 | Superior Royalty, LLC | Lindale, TX 75771 | Oil Operator | May 2024 |
| 27577 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 27578 | Superior Well Service Inc. | | Oil & Gas Operator | Sep 2007 |
| 27579 | Superior-American Quasar | | Oil & Gas Operator | Jan 1981 |
| 27580 | Superior-Tenneco | | Oil & Gas Operator | Jun 1982 |
| 27581 | Supernova Energy, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Nov 2019 |
| 27582 | Supplyco Inc | Perry, OK 73077 | Oil & Gas Operator | Apr 2014 |
| 27583 | Supra Energy, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | May 1997 |
| 27584 | Supreme Energy Company, Inc. | Abilene, TX 79601 | Oil & Gas Operator | May 2024 |
| 27585 | Supreme X Oil Company | | Oil & Gas Operator | Dec 1983 |
| 27586 | Supron Energy Corp | | Oil & Gas Operator | Oct 1995 |
| 27587 | Surdej, James P. & Kathleen | Elma, NY 14059 | Gas Operator | Dec 2022 |
| 27588 | Sure Flow Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Mar 2008 |
| 27589 | Sure Flow Oil & Gas, Inc. | Victoria, TX 77902 | Oil & Gas Operator | May 2024 |
| 27590 | Surge Ok Midstream LLC | | Oil Operator | Feb 2024 |
| 27591 | Surge Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | May 2024 |
| 27592 | Surge Solutions, Inc. | Iraan, TX 79744 | Oil Operator | May 2024 |
| 27593 | Surtek Inc | | Oil & Gas Operator | May 1993 |
| 27594 | Survivor Oil Inc | Tulsa, OK 74133 | Oil & Gas Operator | Sep 2007 |
| 27595 | Susaect LLC | | Oil Operator | Jan 2024 |
| 27596 | Susan Sullivan Dba Lizard Production | Bloomfield, NM 87413 | Oil & Gas Operator | Mar 2011 |
| 27597 | Susanna Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | May 2024 |
| 27598 | Susquehanna Energies Inc | Punxsutawney, PA 15767-4004 | Oil & Gas Operator | Dec 2023 |
| 27599 | Susquehanna Expl & Prod LLC | Glen Campbell, PA 15742-0159 | Gas Operator | Dec 2023 |
| 27600 | Sutherland Energy Co., LLC | Bridgeport, TX 76426 | Oil & Gas Operator | May 2024 |