| 9601 | Enersource Royalty Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2013 |
| 9602 | Enerstar Resources LTD Co. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 9603 | Enerstar Resources, L.C. | Midland, TX 79701 | Oil & Gas Operator | Apr 1999 |
| 9604 | Enertec Corporation | Nowata, OK 74048-0632 | Oil & Gas Operator | Sep 2018 |
| 9605 | Enertex, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 |
| 9606 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 9607 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 9608 | Enervest Opr LLC | Charleston, WV 25301-1782 | Oil & Gas Operator | Dec 2019 |
| 9609 | Enervest Production Partners, LTD. | | Gas Operator | Nov 2024 |
| 9610 | Enervest Resources Inc | | Oil & Gas Operator | Jun 2018 |
| 9611 | Enervest San Juan Operating | | Gas Operator | Jul 2001 |
| 9612 | Enervest San Juan Operating LLC | Durango, CO 81301 | Gas Operator | Jul 2001 |
| 9613 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Jan 2025 |
| 9614 | Enex Resources C | | Gas Operator | Nov 1987 |
| 9615 | Enex Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 9616 | Enex Rexources Corp. | | Oil & Gas Operator | Jul 1981 |
| 9617 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 9618 | Enfield Operating Company, LLC | Coppell, TX 75019 | Oil Operator | Apr 2025 |
| 9619 | Eng, George E. | Midland, TX 79701 | Oil & Gas Operator | Dec 2011 |
| 9620 | Engas Corporation | Jacksboro, TX 76458 | Oil & Gas Operator | May 2008 |
| 9621 | Engas XP, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Apr 2025 |
| 9622 | Engel Farms Corporation | Liberal, KS 67901 | Gas Operator | Mar 2003 |
| 9623 | Engel Investments LLC | Hays, KS 67601 | Oil Operator | Oct 2024 |
| 9624 | Engelke, R. H. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2025 |
| 9625 | Engelke, Randall Glen | Luling, TX 78648 | Oil & Gas Operator | Jul 2007 |
| 9626 | Engeo Co. | | Oil & Gas Operator | Nov 1986 |
| 9627 | Engineering & Production Service, Inc. | Farmington, NM 87499 | Oil & Gas Operator | Feb 2025 |
| 9628 | Engineers Oil Company | | Oil & Gas Operator | Dec 2024 |
| 9629 | England Operating LLC | Littleton, CO 80120-4529 | Oil & Gas Operator | Nov 2014 |
| 9630 | Engle, George S | | Oil Operator | Dec 2023 |
| 9631 | Engler, Inc. | Harlingen, TX 78552-0000 | Gas Operator | Dec 2020 |
| 9632 | English Oil & Gas | | Oil Operator | Sep 2021 |
| 9633 | English Oil And Gas, L.L.C. | | Oil Operator | Sep 2021 |
| 9634 | Engroup Resources, L.P. | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 9635 | Enhanced Energy Partners Corp | Tomball, TX 77377 | Oil & Gas Operator | Apr 2025 |
| 9636 | Enhanced Hydrocarbons Inc | Claremore, OK 74017 | Oil & Gas Operator | May 2013 |
| 9637 | Enhanced RS, Inc. | Luling, TX 78648 | Oil Operator | Apr 2025 |
| 9638 | Eni Us Operating Co. Inc. | | Oil & Gas Operator | Sep 2024 |
| 9639 | Enid Operating, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Apr 2025 |
| 9640 | Eninun Inc | Dayton, OH 45415 | Oil & Gas Operator | Dec 1984 |
| 9641 | Enline Operating, L.L.C. | Houston, TX 77019 | Oil & Gas Operator | Jun 1998 |
| 9642 | Enline Resources, LLC | Houston, TX 77254 | Oil & Gas Operator | Feb 1996 |
| 9643 | Enlink Crude Marketing LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2022 |
| 9644 | Enlink Lig, LLC | | Oil Operator | Jan 2025 |
| 9645 | Enlo Energy Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |
| 9646 | Enloe Jenny L | Skiatook, OK 74070 | Oil Operator | Nov 1998 |
| 9647 | Enloe Oil Company | Olney, TX 76374 | Oil & Gas Operator | Jun 2000 |
| 9648 | Enmark Gas Gathering L. P. | Dallas, TX 75252 | Oil & Gas Operator | Oct 2024 |
| 9649 | Enneberg Oil & Gas | Kevin, MT 59454 | Oil Operator | Mar 2025 |
| 9650 | Ennex, Inc. | | Oil & Gas Operator | Oct 1993 |
| 9651 | Ennis Bill H | Sasakwa, OK 74867-0001 | Oil & Gas Operator | Sep 2014 |
| 9652 | Enoch Oil | Wichita, KS 67216 | Oil Operator | Jan 2001 |
| 9653 | Enogex Exploration Corp | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jun 2000 |
| 9654 | Enogex Products Corp | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jun 2022 |
| 9655 | Enogex Services Corporation | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Apr 2009 |
| 9656 | Enpower Resources Inc. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2025 |
| 9657 | Enpro LLC | Cottonwood, UT 84047 | Oil & Gas Operator | Nov 2017 |
| 9658 | Enpro, Inc | Winchester, KY 40391 | Oil & Gas Operator | Dec 2023 |
| 9659 | Enprop Inc | | Oil & Gas Operator | Feb 2013 |
| 9660 | Enr Operating, LLC | Eunice, NM 88231 | Oil & Gas Operator | Apr 2025 |
| 9661 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 9662 | Enre LP | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2004 |
| 9663 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2025 |
| 9664 | Enron Corporatio | | Oil & Gas Operator | Aug 1999 |
| 9665 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 9666 | Enserch Exploration | | Oil & Gas Operator | Oct 1996 |
| 9667 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 9668 | Enserch Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 1998 |
| 9669 | Ensight Energy Group Inc | Richardson, TX 75080-2370 | Oil & Gas Operator | Jan 2025 |
| 9670 | Ensight Energy Management, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2005 |
| 9671 | Ensight III Energy MGMT, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2008 |
| 9672 | Ensight IV Energy Management,LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 9673 | Ensight Resources, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2001 |
| 9674 | Ensign Oil & Gas Inc. | | Oil & Gas Operator | Jul 1993 |
| 9675 | Ensign Operating | | Oil & Gas Operator | Oct 1994 |
| 9676 | Ensign Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Jan 2004 |
| 9677 | Ensign Operating LLC | Houston, TX 77086 | Oil & Gas Operator | Feb 2023 |
| 9678 | Ensminger D & J | | Oil Operator | Dec 1994 |
| 9679 | Ensminger Energy LLC | Moran, KS 66755 | Oil Operator | Dec 2024 |
| 9680 | Ensminger Oil, LLC | Moran, KS 66755 | Oil Operator | Dec 2024 |
| 9681 | Ensminger, Donald & Jack, A General Partnership | Moran, KS 66755 | Oil Operator | Jun 2005 |
| 9682 | Ensource Inc | Midland, TX 79705 | Oil & Gas Operator | Aug 1998 |
| 9683 | Enstar Corporation | Houston, TX 77252 | Oil & Gas Operator | Apr 1988 |
| 9684 | Enstar Energy, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2025 |
| 9685 | Enstar Petroleum Company | | Oil & Gas Operator | Aug 1985 |
| 9686 | Enstar Petroleum Inc | | Oil & Gas Operator | Apr 1985 |
| 9687 | Enstor Katy Storage & Transp LP | Houston, TX 77042 | Oil & Gas Operator | Apr 2025 |
| 9688 | Ensz, Jerry | Sublette, KS 67877 | Gas Operator | Dec 2024 |
| 9689 | Entek GRB LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 9690 | Enterprise Crude Oil LLC | Oklahoma City, OK 73102 | Oil Operator | Aug 2011 |
| 9691 | Enterprise Energy Corp | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1985 |
| 9692 | Enterprise Energy Exploration Inc | Tulsa, OK 74133-6724 | Oil & Gas Operator | Feb 2025 |
| 9693 | Enterprise Energy Prod Co Inc | Tulsa, OK 74133-6754 | Oil & Gas Operator | Mar 2015 |
| 9694 | Enterprise Exploration Inc | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2020 |
| 9695 | Enterprise Gathering LLC | | Oil Operator | Dec 2024 |
| 9696 | Enterprise Inc | Hays, KS 67601 | Oil Operator | Sep 2015 |
| 9697 | Enterprise Marke | | Oil & Gas Operator | Oct 1992 |
| 9698 | Enterprise Oil Marketing Corp. | Little Rock, AR 72206 | Oil Operator | Sep 1998 |
| 9699 | Enterprise Resources Inc. | | Oil & Gas Operator | Jun 1979 |
| 9700 | Enterprising Enterprises Inc | Tulsa, OK 74137 | Oil Operator | Jun 2009 |