| 8601 | Draw Oil & Gas Inc | | Oil & Gas Operator | Jun 1995 |
| 8602 | Drawings, LLC | Albuquerque, NM 87109 | Oil Operator | Dec 2024 |
| 8603 | DRD Operating Company | | Oil & Gas Operator | Feb 2014 |
| 8604 | Dreher, George R. | Midland, TX 79702 | Oil & Gas Operator | Jan 2018 |
| 8605 | Dreiling Exploration LLC | Victoria, KS 67671 | Oil Operator | Mar 2018 |
| 8606 | Dreiling Limited | | Oil Operator | Jun 1984 |
| 8607 | Dreiling Oil Inc | Hays, KS 67601 | Oil Operator | Jun 2018 |
| 8608 | Dreiling Resourc | | Oil Operator | Oct 1996 |
| 8609 | Dreiling Resources Inc. | Victoria, KS 67671 | Oil Operator | Sep 1997 |
| 8610 | Drennan Oil L.L.C. | Ballinger, TX 76821 | Oil & Gas Operator | Apr 2025 |
| 8611 | Drennan, D. E. | Graham, TX 76450 | Oil & Gas Operator | Dec 2011 |
| 8612 | Dresser Industrial Park, Inc. | North Tonawanda, NY 14120 | Gas Operator | Dec 2023 |
| 8613 | Drew Cornell, Inc. | | Oil & Gas Operator | Jun 1992 |
| 8614 | Drew Cornell, Inc.-Agent | | Oil & Gas Operator | Sep 1990 |
| 8615 | Drew Cornell,Inc.-C.H.Lawrence | | Oil & Gas Operator | Sep 1990 |
| 8616 | Drew Cornell,Inc.-R Waterbury | | Oil Operator | Jun 1999 |
| 8617 | Dreyer Oil | | Oil Operator | Dec 2019 |
| 8618 | Dreyer Oil - Lel | | Oil Operator | Nov 1993 |
| 8619 | Dreyfus, Louis Natural Gas Corp | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2001 |
| 8620 | DRG Energy Inc | Norman, OK 73026-3171 | Oil & Gas Operator | Jan 2025 |
| 8621 | DRH Properties LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2014 |
| 8622 | Dri Operating Company | West Chester, PA 19382-0000 | Gas Operator | Dec 2008 |
| 8623 | Driftwood Energy Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Dec 2022 |
| 8624 | Driftwood Oil Co. | Russell, KS 67665 | Oil Operator | Jan 1988 |
| 8625 | Driftwood Oil, LLC | Jal, NM 88252 | Oil & Gas Operator | Feb 2025 |
| 8626 | Drilex Oil & Gas | | Oil Operator | Apr 1987 |
| 8627 | Drill Partners Management, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2010 |
| 8628 | Driller'S & Prod | | Oil & Gas Operator | Oct 1994 |
| 8629 | Drillers & Producers, Inc. | Newton, KS 67114 | Oil Operator | Dec 2019 |
| 8630 | Drillers Energy Search, Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 8631 | Drillers LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2023 |
| 8632 | Drillex Inc | Mentor, OH 44060 | Oil & Gas Operator | Dec 2003 |
| 8633 | Drilling & Production Co. | | Oil & Gas Operator | Dec 2024 |
| 8634 | Drilling Exploration & Operating Co. Inc. | | Oil & Gas Operator | Dec 2024 |
| 8635 | Drilling, Operg & Explor, Inc. | | Oil & Gas Operator | Feb 1990 |
| 8636 | Drillmar Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | Nov 2014 |
| 8637 | Drillmar Operating Company | Houston, TX 77019 | Oil & Gas Operator | Jun 2013 |
| 8638 | Drillogix Exploration LLC | Breckenridge, TX 76424 | Oil Operator | Apr 2025 |
| 8639 | Drilmor, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 1998 |
| 8640 | Driltrol | | Oil & Gas Operator | Dec 1984 |
| 8641 | Drindak* Jon | | Oil Operator | Aug 2013 |
| 8642 | Driscoll Jerry J | | Oil Operator | Apr 1994 |
| 8643 | Driscoll Lease O | | Oil Operator | Jul 1988 |
| 8644 | Driscoll Lease Operations, Inc. | Russell, KS 67665 | Oil Operator | Dec 1998 |
| 8645 | Driscoll S.W.D. Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Apr 2025 |
| 8646 | Driscoll, Jerry J Oil Investment Inc | Russell, KS 67665 | Oil Operator | Dec 2024 |
| 8647 | Driver Energy Of Texas | Dallas, TX 75379-5951 | Oil & Gas Operator | Apr 2011 |
| 8648 | DRL Operating In | | Oil Operator | Sep 1986 |
| 8649 | Drmas, LLC | | Oil & Gas Operator | Nov 2024 |
| 8650 | Drop Tine Exploration, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2019 |
| 8651 | DRS Exploration Inc. | San Antonio, TX 78209 | Oil & Gas Operator | May 1999 |
| 8652 | Drum Energy Corp | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 8653 | Drum Energy, L.L.C. | | Gas Operator | Dec 2016 |
| 8654 | Drum Oil & Gas, Inc. | Houston, TX 77082 | Oil & Gas Operator | Apr 2025 |
| 8655 | Drum, Delton | Liberty, TX 77575 | Oil & Gas Operator | Jul 2005 |
| 8656 | Drummond Upstream LLC | Tulsa, OK 74104 | Oil Operator | Jan 2025 |
| 8657 | Drummond, F F | | Oil Operator | Jan 2025 |
| 8658 | Drumright Well Service Inc | Oilton, OK 74052 | Oil & Gas Operator | Jan 2025 |
| 8659 | Dry Coulee Oil & Gas Company | Oilmont, MT 59466 | Oil Operator | Oct 2003 |
| 8660 | Dry Creek Disposal Company, Inc. | | Oil & Gas Operator | Nov 2021 |
| 8661 | Dry Creek Operating, LLC | Fort Worth, TX 76109 | Oil & Gas Operator | Apr 2025 |
| 8662 | Dry Fork Production Co | Wichita Falls, TX 76301 | Oil Operator | Apr 2003 |
| 8663 | Dry Fork Production Co., LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 8664 | Dry Hole Producing LLC | Poland, OH 44514 | Oil & Gas Operator | Dec 2023 |
| 8665 | Dry Hole Producing LP | Poland, OH 44514-3631-3631 | Oil & Gas Operator | Dec 2019 |
| 8666 | Dryes Corner LLC | Crescent, OK 73028 | Oil Operator | Jul 2023 |
| 8667 | DSB Energy, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2025 |
| 8668 | DSM Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | May 1996 |
| 8669 | DSR Oil & Gas, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Apr 2025 |
| 8670 | DSTJ Corporation | Montgomery, TX 77316 | Oil & Gas Operator | Mar 2001 |
| 8671 | DSW Production Corp. | Houston, TX 77265 | Oil & Gas Operator | Apr 2025 |
| 8672 | DSX Operating Co. | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2008 |
| 8673 | Dte Gas Resources, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2007 |
| 8674 | Dte Gas Resources, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2014 |
| 8675 | Du Pont Oil Comp | | Oil Operator | May 1984 |
| 8676 | Dual Energy, Inc. | | Oil & Gas Operator | Oct 2022 |
| 8677 | Dual Operating & Production Co | Tulsa, OK 74145-7831 | Oil & Gas Operator | Apr 2020 |
| 8678 | Dual Production Partners, LLC | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2025 |
| 8679 | Dual Quiver Oil & Gas Op, LLC | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2025 |
| 8680 | Duane Exploration Limited | Andover, KS 67002 | Oil Operator | Jul 1996 |
| 8681 | Dubach Gas Company | | Oil Operator | May 2003 |
| 8682 | Dubisz, Richard And Deborah | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 8683 | Dublin Petroleum Corporation | Enid, OK 73702-6029 | Oil & Gas Operator | Feb 2025 |
| 8684 | Dubois, Allen | Whitewater, KS 67154 | Oil Operator | May 2000 |
| 8685 | Ducharme Oil, LLC | | Oil & Gas Operator | Jan 2025 |
| 8686 | Duck Bros Dozer & Trucking Inc | Konawa, OK 74849 | Oil & Gas Operator | Feb 2025 |
| 8687 | Duck Creek Energy Inc | Brecksville, OH 44141 | Oil & Gas Operator | Dec 2023 |
| 8688 | Duck Creek Petroleum LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2012 |
| 8689 | Duck Oil Company LLC | Konawa, OK 74849 | Oil Operator | Jan 2025 |
| 8690 | Duck Production Management LLC | Konawa, OK 74849 | Oil Operator | Feb 2025 |
| 8691 | Ducky Oil Corporation | Fort Worth, TX 76120 | Oil & Gas Operator | Apr 2025 |
| 8692 | Duco Energy LLC | Tulsa, OK 74145-4514 | Oil & Gas Operator | Mar 2015 |
| 8693 | Ducote Oil Co. | | Oil & Gas Operator | Sep 1997 |
| 8694 | Duderstadt, A. R. | Boling, TX 77420 | Oil & Gas Operator | Apr 2025 |
| 8695 | Dudley Oil Co. | Crane, TX 79731 | Oil & Gas Operator | Jan 2006 |
| 8696 | Dudrey Carl | | Oil & Gas Operator | Feb 1993 |
| 8697 | Duer Wagner & Company | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 1998 |
| 8698 | Duerfeldt | | Oil Operator | Dec 2023 |
| 8699 | Duesler Welding Service | | Oil Operator | Mar 2007 |
| 8700 | Duff Oil Co | | Oil & Gas Operator | Aug 2000 |