| 27801 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 27802 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Jul 2026 |
| 27803 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 27804 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 27805 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Jul 2026 |
| 27806 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 27807 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 27808 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 27809 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 27810 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Jul 2026 |
| 27811 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2026 |
| 27812 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 27813 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 27814 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 27815 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 27816 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 27817 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 27818 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Jul 2026 |
| 27819 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 27820 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 27821 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 27822 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 27823 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2025 |
| 27824 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 27825 | Summit Discovery Res II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2019 |
| 27826 | Summit Energy Company | | Oil & Gas Operator | Mar 2009 |
| 27827 | Summit Energy LLC | | Oil & Gas Operator | May 2026 |
| 27828 | Summit Energy,Inc | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 27829 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 27830 | Summit Exploration (California) LLC | | Oil & Gas Operator | Feb 2018 |
| 27831 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |
| 27832 | Summit Gas LLC | | Oil & Gas Operator | Oct 2011 |
| 27833 | Summit Gas Resources Inc | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 27834 | Summit Oil & Gas, LLC | | Oil & Gas Operator | Nov 2024 |
| 27835 | Summit Operating LLC | Boulder, CO 80301 | Oil & Gas Operator | Apr 2026 |
| 27836 | Summit Overseas Expl., Inc. | Lakewood, CO 80226 | Oil & Gas Operator | Apr 2007 |
| 27837 | Summit Petroleum Corp And Muskegon Development C | | Oil Operator | Dec 2006 |
| 27838 | Summit Petroleum Corp Of MT Pleasant | | Oil & Gas Operator | Dec 2007 |
| 27839 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2025 |
| 27840 | Summit Petroleum LLC | Midland, TX 79705 | Oil & Gas Operator | Jul 2026 |
| 27841 | Summit Reed City Inc | | Oil Operator | Dec 2014 |
| 27842 | Summit Resources Management LLC | Edmond, OK 73083 | Oil & Gas Operator | Apr 2026 |
| 27843 | Summit Resources MGMT., LLC. | Edmond, OK 73083 | Oil & Gas Operator | Jul 2026 |
| 27844 | Summit Resources, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2016 |
| 27845 | Summitt Energy, LLC | Wichita, KS 67218 | Oil Operator | Mar 2026 |
| 27846 | Summitt Resources | Corsicana, TX 75110 | Oil & Gas Operator | Apr 2008 |
| 27847 | Sumner Energy Inc | | Oil & Gas Operator | May 2026 |
| 27848 | Sumpf-Williams | | Gas Operator | Dec 1980 |
| 27849 | Sumrall Sharon | Poolville, TX 76487-2065 | Oil & Gas Operator | Apr 2022 |
| 27850 | Sun Coulee, LLC | Martinsdale, MT 59053 | Oil & Gas Operator | May 2026 |
| 27851 | Sun Explor & Production Co | Oklahoma City, OK 73126 | Gas Operator | Oct 1984 |
| 27852 | Sun Exploration & Production Co | | Oil & Gas Operator | Jan 1990 |
| 27853 | Sun Exploration Co, Inc | | Oil Operator | Dec 2010 |
| 27854 | Sun Exploration, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2026 |
| 27855 | Sun Mountain Oil & Gas | | Oil & Gas Operator | Dec 2020 |
| 27856 | Sun Oil Company | Dallas, TX 75373 | Oil & Gas Operator | Dec 2021 |
| 27857 | Sun Resources Texas, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2024 |
| 27858 | Sun River Operating, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jul 2026 |
| 27859 | Sun Texas Company | | Oil & Gas Operator | Jun 1981 |
| 27860 | Sun Ventures | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 27861 | Sun-Key Oil Co., Inc. | Dublin, TX 76446 | Oil & Gas Operator | Jul 2026 |
| 27862 | Sunardo Energy, Inc. | Castle Rock, CO 80104 | Oil Operator | Jan 1997 |
| 27863 | Sunbelt Oil Investments Inc | Lindsay, OK 73052 | Oil & Gas Operator | May 1993 |
| 27864 | Sunbelt Salvage | Eastland, TX 76448 | Oil & Gas Operator | Sep 1998 |
| 27865 | Sunburst Explora | | Oil Operator | May 1990 |
| 27866 | Sunburst Exploration, Inc. | | Oil & Gas Operator | Jul 2000 |
| 27867 | Sunburst, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | May 2026 |
| 27868 | Sunbury-Trenton Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1988 |
| 27869 | Sunchase Exploration, Inc. | | Oil & Gas Operator | Oct 1997 |
| 27870 | Suncoast Investments Co., Inc. | Plano, TX 75074 | Oil & Gas Operator | Oct 2001 |
| 27871 | Suncoast Technical Service Inc | Plano, TX 75074-5438 | Oil Operator | Mar 2005 |
| 27872 | Suncoast Technical Services Inc | Dallas, TX 75251 | Oil & Gas Operator | Jul 2026 |
| 27873 | Suncoast Technical SVCS., Inc. | | Oil & Gas Operator | Dec 2011 |
| 27874 | Suncor Energy Natural Gas America Inc | Greenwood VIllage, CO 80111 | Gas Operator | Feb 2010 |
| 27875 | Sundance Consulting Corp. | Abilene, TX 79605 | Oil & Gas Operator | Jul 2026 |
| 27876 | Sundance Energy Corporation | | Oil & Gas Operator | Jan 2025 |
| 27877 | Sundance Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2014 |
| 27878 | Sundance Energy Oklahoma LLC Dba Seo LLC | Denver, CO 80202-3620 | Oil & Gas Operator | Nov 2021 |
| 27879 | Sundance Oil & Gas, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Mar 2012 |
| 27880 | Sundance Oil Exploration Co | | Oil Operator | Mar 1986 |
| 27881 | Sundance Oil, Inc. | Norfolk, NE 68702 | Oil Operator | Aug 1998 |
| 27882 | Sundance Operating Co | | Oil & Gas Operator | Jul 2016 |
| 27883 | Sundance Resources, Inc. | Rio VIsta, TX 76093 | Oil & Gas Operator | Mar 2012 |
| 27884 | Sunday Corporation | Olney, TX 76374 | Oil & Gas Operator | Jul 2026 |
| 27885 | Sunday-Smith Mary E | Mannford, OK 74044-1457 | Oil & Gas Operator | Mar 2015 |
| 27886 | Sundgren, Stephen E. And Jackie | Rosalia, KS 67132 | Oil Operator | Jun 2023 |
| 27887 | Sundial Energy LLC | Oklahoma City, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 27888 | Sundial Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 27889 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | Jul 2026 |
| 27890 | Sundown Energy, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2025 |
| 27891 | Sundown Oil Operating, LLC | Graham, TX 76450 | Oil Operator | Jul 2026 |
| 27892 | Sunergon Oil Operating, LLC | Gainesville, TX 76240 | Oil Operator | Jul 2026 |
| 27893 | Sunex Resources Incorporated | | Oil Operator | Dec 1981 |
| 27894 | Sunfield Energy Company | Houston, TX 77084-5113 | Oil & Gas Operator | Jul 1999 |
| 27895 | Sunfire Energy | | Oil & Gas Operator | Mar 2026 |
| 27896 | Sunflower Energy, LLC | Overland Park, KS 66210 | Oil Operator | Dec 2019 |
| 27897 | Sunflower Exploration, LLC | Overland Park, KS 66210 | Gas Operator | Mar 2026 |
| 27898 | Sunflower Well Service, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2025 |
| 27899 | Sunland Enterprises Corp | Norman, OK 73071 | Oil Operator | Sep 2004 |
| 27900 | Sunland Production Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2026 |