| 9801 | Excalibur Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 9802 | Excalibur Prod C | | Oil & Gas Operator | Jun 1995 |
| 9803 | Excalibur Production Company, Inc. | McPherson, KS 67460 | Oil & Gas Operator | Mar 2025 |
| 9804 | Excalibur Resources LLC | Houston, TX 77002-5220 | Oil & Gas Operator | Apr 2025 |
| 9805 | Excalibur Resources, Inc. | | Oil & Gas Operator | Apr 1986 |
| 9806 | Exceed Petroleum LLC | Houston, TX 77070 | Oil & Gas Operator | Jul 2025 |
| 9807 | Excel Energy Co. | Coahoma, TX 79511 | Oil & Gas Operator | Jul 2025 |
| 9808 | Excel Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Jul 2025 |
| 9809 | Excel Oil & Gas L.L.C. | Bucyrus, KS 66013 | Oil Operator | Mar 2025 |
| 9810 | Excel Oil & Gas, Inc. | Waxahachie, TX 75168 | Oil & Gas Operator | Jul 2025 |
| 9811 | Excel Operating Corporation | | Oil & Gas Operator | Dec 2024 |
| 9812 | Excel Operating Inc | Dallas, TX 75234-7300 | Oil & Gas Operator | Jun 2022 |
| 9813 | Excel Production Inc | Lubbock, TX 79424-2341 | Oil Operator | Apr 2020 |
| 9814 | Excel Royalty Company, LLC | | Oil Operator | Jun 2022 |
| 9815 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
| 9816 | Excelsior Oil Corporation | | Oil & Gas Operator | May 1985 |
| 9817 | Exchange Avenue Production Co. | Weatherford, TX 76086 | Oil & Gas Operator | Sep 2021 |
| 9818 | Exchange Expl & Prodn Co | | Oil Operator | Oct 2023 |
| 9819 | Exchange Exploration & Production Co. | Dallas, TX 75219 | Oil & Gas Operator | May 2025 |
| 9820 | Exchange Oil & Gas Company | | Oil & Gas Operator | Oct 1996 |
| 9821 | Exchange Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1987 |
| 9822 | Exco - North Coast Energy Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2018 |
| 9823 | Exco Operating Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Jul 2025 |
| 9824 | Exco Partners Operating PTSHP LP | Dallas, TX 75251 | Oil & Gas Operator | Jan 2009 |
| 9825 | Exco Production Company, LP | Dallas, TX 75251 | Oil & Gas Operator | Dec 2009 |
| 9826 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | May 2025 |
| 9827 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 9828 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Apr 2025 |
| 9829 | Exco Resources Pa Inc | Warrendale, PA 15086-6501 | Oil & Gas Operator | Dec 2011 |
| 9830 | Exco/Hgi JV Assets, LLC | Dallas, TX 75251 | Oil & Gas Operator | Jun 2014 |
| 9831 | Executive Production, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Jul 2025 |
| 9832 | Exeter Drilling Company | Denver, CO 80217 | Oil & Gas Operator | Sep 1997 |
| 9833 | Exeter Exploration Co. | | Oil & Gas Operator | Aug 1985 |
| 9834 | Exit Inc | | Oil Operator | Dec 1983 |
| 9835 | Exit Oil & Gas | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2025 |
| 9836 | Exl Petroleum Operating Inc. | Midland, TX 79705 | Oil & Gas Operator | Feb 2020 |
| 9837 | Exl Petroleum, LP | Midland, TX 79705 | Oil & Gas Operator | Jun 2017 |
| 9838 | Exlco, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 9839 | Exley Oil & Gas Corp | Lemont, PA 16851-0425 | Oil & Gas Operator | Dec 2019 |
| 9840 | Exmoor Oil & Minerals Corp. | Dallas, TX 75225 | Oil & Gas Operator | May 1994 |
| 9841 | Exodus Energy, Inc. | | Oil & Gas Operator | Jul 2018 |
| 9842 | Exodus Gas & Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 9843 | Exok, Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 9844 | Exoko Operating Company Inc | Tulsa, OK 74170-0246 | Oil & Gas Operator | Jan 2006 |
| 9845 | Exorare Energy, Inc. | Dallas, TX 75218 | Oil & Gas Operator | Jul 2025 |
| 9846 | Exoro Energy, L.L.C. | | Oil & Gas Operator | Jun 2021 |
| 9847 | Exotic Oil & Gas LLC | Indiana, PA 15701-3634 | Oil & Gas Operator | Dec 2024 |
| 9848 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 9849 | Expanding Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
| 9850 | Expando Production Co. | | Oil & Gas Operator | Oct 1988 |
| 9851 | Expert Oil & Gas, L.L.C. | | Oil & Gas Operator | Nov 2024 |
| 9852 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Jul 2025 |
| 9853 | Exploration Associates | Oklahoma City, OK 73102-8606 | Oil & Gas Operator | Mar 2015 |
| 9854 | Exploration Associates II LLC | Oklahoma City, OK 73102-8815 | Oil & Gas Operator | Jan 2013 |
| 9855 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
| 9856 | Exploration Energy Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 2009 |
| 9857 | Exploration Professionals Inc | Chelsea, OK 74016-0066 | Oil Operator | Dec 2023 |
| 9858 | Exploration Techniques Inc. | Houston, TX 77027 | Oil & Gas Operator | Jul 2025 |
| 9859 | Exploration Technologies Inc | Crescent, OK 73028-0546 | Oil & Gas Operator | Mar 2015 |
| 9860 | Explore Energy Corp. | Westerville, OH 43086 | Oil & Gas Operator | Dec 2016 |
| 9861 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Jul 2025 |
| 9862 | Express Energy Group, LLC | Atlanta, TX 75551 | Oil Operator | Jul 2025 |
| 9863 | Express Oil & Gas LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2025 |
| 9864 | Express Oil And Gas | La Grange, TX 78945 | Oil & Gas Operator | Jul 2025 |
| 9865 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Jul 2025 |
| 9866 | Expro Engineering, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Jul 2025 |
| 9867 | Extech Operating, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Jul 2025 |
| 9868 | Extenergy, L.P. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
| 9869 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Jul 2025 |
| 9870 | Extraction Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | May 2025 |
| 9871 | Extreme Energy Co | | Oil & Gas Operator | Mar 2025 |
| 9872 | Exxcel Operating Company | San Antonio, TX 78227 | Oil & Gas Operator | Jul 2025 |
| 9873 | Exxcel Production Company | Pampa, TX 79066 | Oil & Gas Operator | Jul 2025 |
| 9874 | Exxo Resources Co | Dana, KY 41615 | Oil & Gas Operator | Dec 2023 |
| 9875 | Exxon Corp. - Midland | Houston, TX 77210 | Gas Operator | Jul 1997 |
| 9876 | Exxon Corporatio | | Oil & Gas Operator | Dec 1995 |
| 9877 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
| 9878 | Exxon Corporation -La | | Oil & Gas Operator | Sep 1989 |
| 9879 | Exxon Corporation -TX | | Oil & Gas Operator | Jan 1982 |
| 9880 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Jul 2025 |
| 9881 | Exxonmobil Alaska Production Inc. | | Oil & Gas Operator | Oct 2021 |
| 9882 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | May 2025 |
| 9883 | Exzena Oil Corp. | Tyler, TX 75713 | Oil & Gas Operator | Jul 2025 |
| 9884 | Eylau Oil Inc. | Atlanta, TX 75551 | Oil & Gas Operator | Oct 2021 |
| 9885 | Eyler Corporation | | Oil & Gas Operator | Nov 2012 |
| 9886 | Eyler Dean E | Cleveland, OK 74020 | Oil & Gas Operator | May 2025 |
| 9887 | Eyler Nelson E | | Oil Operator | Nov 1998 |
| 9888 | Eyster Oil Company LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2024 |
| 9889 | F & F Drilling Company | | Oil Operator | Apr 1991 |
| 9890 | F & G Exploration, LLC | Ada, MI 49301 | Gas Operator | Dec 2024 |
| 9891 | F & G Management LLC | Claremore, OK 74019-0392 | Oil Operator | Apr 2025 |
| 9892 | F & H Production | | Oil & Gas Operator | Apr 2014 |
| 9893 | F & H Production Service | | Oil & Gas Operator | Apr 1987 |
| 9894 | F & J Oil Company, L.L.C. | | Oil Operator | May 2025 |
| 9895 | F & J Oil LLC | Newcastle, WY 82701 | Oil & Gas Operator | Oct 2015 |
| 9896 | F & J Petroleum Company | Milano, TX 76556 | Oil Operator | Jul 2025 |
| 9897 | F & L Petroleum, LLC | | Oil & Gas Operator | Apr 2019 |
| 9898 | F & M Oil & Gas Co | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 9899 | F & M Oil Compan | | Oil & Gas Operator | Feb 1993 |
| 9900 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Jul 2025 |