| 27601 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 27602 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Jun 2026 |
| 27603 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 27604 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 27605 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Jun 2026 |
| 27606 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 27607 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 27608 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 27609 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 27610 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Jun 2026 |
| 27611 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Feb 2026 |
| 27612 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 27613 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 27614 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 27615 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 27616 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 27617 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 27618 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Jun 2026 |
| 27619 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 27620 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 27621 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 27622 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 27623 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2024 |
| 27624 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 27625 | Summit Discovery Res II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2019 |
| 27626 | Summit Energy Company | | Oil & Gas Operator | Mar 2009 |
| 27627 | Summit Energy LLC | | Oil & Gas Operator | Feb 2026 |
| 27628 | Summit Energy,Inc | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 27629 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 27630 | Summit Exploration (California) LLC | | Oil & Gas Operator | Feb 2018 |
| 27631 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |
| 27632 | Summit Gas LLC | | Oil & Gas Operator | Oct 2011 |
| 27633 | Summit Gas Resources Inc | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 27634 | Summit Oil & Gas, LLC | | Oil & Gas Operator | Nov 2024 |
| 27635 | Summit Operating LLC | Boulder, CO 80301 | Oil & Gas Operator | Feb 2026 |
| 27636 | Summit Overseas Expl., Inc. | Lakewood, CO 80226 | Oil & Gas Operator | Apr 2007 |
| 27637 | Summit Petroleum Corp And Muskegon Development C | | Oil Operator | Dec 2006 |
| 27638 | Summit Petroleum Corp Of MT Pleasant | | Oil & Gas Operator | Dec 2007 |
| 27639 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2025 |
| 27640 | Summit Petroleum LLC | Midland, TX 79705 | Oil & Gas Operator | Jun 2026 |
| 27641 | Summit Reed City Inc | | Oil Operator | Dec 2014 |
| 27642 | Summit Resources Management LLC | Edmond, OK 73083 | Oil & Gas Operator | Feb 2026 |
| 27643 | Summit Resources MGMT., LLC. | Edmond, OK 73083 | Oil & Gas Operator | Jun 2026 |
| 27644 | Summit Resources, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2016 |
| 27645 | Summitt Energy, LLC | Wichita, KS 67218 | Oil Operator | Nov 2025 |
| 27646 | Summitt Resources | Corsicana, TX 75110 | Oil & Gas Operator | Apr 2008 |
| 27647 | Sumner Energy Inc | | Oil & Gas Operator | Feb 2026 |
| 27648 | Sumpf-Williams | | Gas Operator | Dec 1980 |
| 27649 | Sumrall Sharon | Poolville, TX 76487-2065 | Oil & Gas Operator | Apr 2022 |
| 27650 | Sun Coulee, LLC | Martinsdale, MT 59053 | Oil & Gas Operator | Feb 2026 |
| 27651 | Sun Explor & Production Co | Oklahoma City, OK 73126 | Gas Operator | Oct 1984 |
| 27652 | Sun Exploration And Production Co | | Oil & Gas Operator | Jan 1990 |
| 27653 | Sun Exploration Co, Inc | | Oil Operator | Dec 2010 |
| 27654 | Sun Exploration, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jun 2026 |
| 27655 | Sun Mountain Oil & Gas | | Oil & Gas Operator | Dec 2020 |
| 27656 | Sun Oil Company | Dallas, TX 75373 | Oil & Gas Operator | Dec 2021 |
| 27657 | Sun Resources Texas, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2024 |
| 27658 | Sun River Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2026 |
| 27659 | Sun Texas Company | | Oil & Gas Operator | Jun 1981 |
| 27660 | Sun Ventures | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 27661 | Sun-Key Oil Co., Inc. | Dublin, TX 76446 | Oil & Gas Operator | Jun 2026 |
| 27662 | Sunardo Energy, Inc. | Castle Rock, CO 80104 | Oil Operator | Jan 1997 |
| 27663 | Sunbelt Salvage | Eastland, TX 76448 | Oil & Gas Operator | Sep 1998 |
| 27664 | Sunburst Explora | | Oil Operator | May 1990 |
| 27665 | Sunburst Exploration, Inc. | | Oil & Gas Operator | Jul 2000 |
| 27666 | Sunburst, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | Mar 2026 |
| 27667 | Sunbury-Trenton Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1988 |
| 27668 | Sunchase Exploration, Inc. | | Oil & Gas Operator | Oct 1997 |
| 27669 | Suncoast Investments Co., Inc. | Plano, TX 75074 | Oil & Gas Operator | Oct 2001 |
| 27670 | Suncoast Technical Service Inc | Plano, TX 75074-5438 | Oil Operator | Mar 2005 |
| 27671 | Suncoast Technical Services Inc | Dallas, TX 75251 | Oil & Gas Operator | Jun 2026 |
| 27672 | Suncoast Technical SVCS., Inc. | | Oil & Gas Operator | Dec 2011 |
| 27673 | Suncor Energy Natural Gas America Inc | Greenwood VIllage, CO 80111 | Gas Operator | Feb 2010 |
| 27674 | Sundance Consulting Corp. | Abilene, TX 79605 | Oil & Gas Operator | Jun 2026 |
| 27675 | Sundance Energy Corporation | | Oil & Gas Operator | Jan 2025 |
| 27676 | Sundance Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2014 |
| 27677 | Sundance Energy Oklahoma LLC Dba Seo LLC | Denver, CO 80202-3620 | Oil & Gas Operator | Nov 2021 |
| 27678 | Sundance Oil & Gas, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Mar 2012 |
| 27679 | Sundance Oil Exploration Co | | Oil Operator | Mar 1986 |
| 27680 | Sundance Oil, Inc. | Norfolk, NE 68702 | Oil Operator | Aug 1998 |
| 27681 | Sundance Operating Co | | Oil & Gas Operator | Jul 2016 |
| 27682 | Sundance Resources, Inc. | Rio VIsta, TX 76093 | Oil & Gas Operator | Mar 2012 |
| 27683 | Sunday Corporation | Olney, TX 76374 | Oil & Gas Operator | Jun 2026 |
| 27684 | Sunday-Smith Mary E | Mannford, OK 74044-1457 | Oil & Gas Operator | Mar 2015 |
| 27685 | Sundgren, Stephen E. And Jackie | Rosalia, KS 67132 | Oil Operator | Jun 2023 |
| 27686 | Sundial Energy LLC | Oklahoma City, OK 73013 | Oil & Gas Operator | Jan 2026 |
| 27687 | Sundial Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 27688 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | Jun 2026 |
| 27689 | Sundown Energy, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2025 |
| 27690 | Sundown Oil Operating, LLC | Graham, TX 76450 | Oil Operator | Jun 2026 |
| 27691 | Sunergon Oil Operating, LLC | Gainesville, TX 76240 | Oil Operator | Jun 2026 |
| 27692 | Sunex Resources Incorporated | | Oil Operator | Dec 1981 |
| 27693 | Sunfield Energy Company | Houston, TX 77084-5113 | Oil & Gas Operator | Jul 1999 |
| 27694 | Sunfire Energy | | Oil & Gas Operator | Feb 2026 |
| 27695 | Sunflower Energy, LLC | Overland Park, KS 66210 | Oil Operator | Dec 2019 |
| 27696 | Sunflower Exploration, LLC | Overland Park, KS 66210 | Gas Operator | Feb 2026 |
| 27697 | Sunflower Well Service, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2025 |
| 27698 | Sunland Enterprises Corp | Norman, OK 73071 | Oil Operator | Sep 2004 |
| 27699 | Sunland Production Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2025 |
| 27700 | Sunlight Exploration, Inc. | Canyon, TX 79015 | Oil & Gas Operator | Jun 2026 |