| 27801 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 27802 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Nov 2025 |
| 27803 | Stewart Oil & Gas Investments Inc | Porum, OK 74455 | Gas Operator | Aug 2025 |
| 27804 | Stewart Oil Co. | | Oil Operator | Jun 2009 |
| 27805 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 27806 | Stewart Operating | | Oil Operator | Jul 2019 |
| 27807 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 27808 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 27809 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Jun 2025 |
| 27810 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 27811 | Stewart, George W | | Oil Operator | Dec 2023 |
| 27812 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 27813 | Stewart, William C. | Amarillo, TX 79105 | Gas Operator | May 2003 |
| 27814 | Stice Oil Company | | Oil Operator | Apr 2025 |
| 27815 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 27816 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 27817 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 27818 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | May 2025 |
| 27819 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 27820 | Stigler Gas Company | Stigler, OK 74462 | Gas Operator | Feb 2025 |
| 27821 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 27822 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 27823 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 27824 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 27825 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 27826 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 27827 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Jul 2025 |
| 27828 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 27829 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 27830 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Nov 2025 |
| 27831 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 27832 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 27833 | Stingray Oil Company, Inc. | Mullin, TX 76864 | Oil Operator | Nov 2025 |
| 27834 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 27835 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 27836 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 27837 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 27838 | Stinson, Jan | | Oil Operator | May 1984 |
| 27839 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 27840 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 27841 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 27842 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 27843 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 27844 | STL Resources LLC | Sewickley, PA 15143-8859 | Gas Operator | Aug 2025 |
| 27845 | Sto LLC | Pass Christian, MS 39571 | Oil & Gas Operator | Jul 2025 |
| 27846 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Nov 2025 |
| 27847 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Dec 2024 |
| 27848 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2025 |
| 27849 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 27850 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 27851 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 27852 | Stocker Sand & Gravel Co | Gnadenhutten, OH 44629 | Oil & Gas Operator | Dec 2024 |
| 27853 | Stockyard Energy Partners, LLC | Calumet, OK 73014 | Oil Operator | Jul 2025 |
| 27854 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 27855 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 27856 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 27857 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 27858 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 27859 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 27860 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 27861 | Stone Cabin Resources LLC | | Oil & Gas Operator | Sep 2025 |
| 27862 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 27863 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2025 |
| 27864 | Stone Edge Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Nov 2025 |
| 27865 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 27866 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 27867 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
| 27868 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Aug 2025 |
| 27869 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 27870 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
| 27871 | Stone Oil Corp - Strata Energy | | Oil & Gas Operator | Mar 1982 |
| 27872 | Stone Oil Corp-Forest Oil Corp | | Oil & Gas Operator | Jan 1983 |
| 27873 | Stone Oil-Lamson-Onshore Pet. | | Oil & Gas Operator | May 1985 |
| 27874 | Stone Oil-Quasar-Birthright | | Oil & Gas Operator | Feb 1981 |
| 27875 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
| 27876 | Stone Ridge Energy LLC | Uniontown, PA 15401-6831 | Oil & Gas Operator | Aug 2025 |
| 27877 | Stone River Energy Corp | Edmond, OK 73034 | Oil & Gas Operator | Jan 2014 |
| 27878 | Stone Thomas R | Coweta, OK 74429-3293 | Oil & Gas Operator | Mar 2020 |
| 27879 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 27880 | Stone, D J | Palo Alto, CA 94301 | Oil & Gas Operator | Sep 1985 |
| 27881 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | Nov 2025 |
| 27882 | Stone, J. G. Oil Co. | Victoria, TX 77904 | Oil & Gas Operator | Sep 2018 |
| 27883 | Stone, M. L. | Kerrville, TX 78029 | Oil & Gas Operator | Aug 2003 |
| 27884 | Stonebriar Oil LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2025 |
| 27885 | Stonebriar Operating, LLC | Plano, TX 75093 | Oil Operator | Nov 2025 |
| 27886 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 27887 | Stoneburner Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Oct 1997 |
| 27888 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | Nov 2025 |
| 27889 | Stonegate Production Company,LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2025 |
| 27890 | Stonegate Ranch LLC | Caney, KS 67333 | Oil Operator | Jun 2025 |
| 27891 | Stoneham Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1995 |
| 27892 | Stoneham Production LLC | | Oil & Gas Operator | Aug 2025 |
| 27893 | Stonehaven Energy MGT Co LLC | Clearfield, PA 16830-7342 | Oil & Gas Operator | Dec 2019 |
| 27894 | Stonehill Martin, LLC | Midland, TX 79705 | Oil Operator | Nov 2025 |
| 27895 | Stoner Oil | Corsicana, TX 75109 | Oil Operator | Nov 2025 |
| 27896 | Stoner, C. M. | Cleburne, TX 76031 | Oil & Gas Operator | Oct 1996 |
| 27897 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 27898 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Nov 2025 |
| 27899 | Stonestreet, Vance | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2006 |
| 27900 | Stonetown Properties, LTD. | Amarillo, TX 79114 | Oil & Gas Operator | Dec 2016 |