| 16601 | Knight Casing Pulling Company | | Oil Operator | Jun 1989 |
| 16602 | Knight Energy Inc | Tulsa, OK 74104 | Oil Operator | Dec 2025 |
| 16603 | Knight Exploration, Inc. | | Oil & Gas Operator | Sep 1989 |
| 16604 | Knight Oil Company | Victoria, KS 67671 | Gas Operator | Sep 2025 |
| 16605 | Knight Resources LLC | | Oil & Gas Operator | Dec 2013 |
| 16606 | Knight Resources, Inc. | | Oil & Gas Operator | Dec 2011 |
| 16607 | Knight, Joeann | Kilgore, TX 75662 | Oil Operator | Sep 1989 |
| 16608 | Knight, Michael L. | Ripley, NY 14775 | Gas Operator | Dec 2024 |
| 16609 | Knight, Reuben B. | Windthorst, TX 76389 | Oil & Gas Operator | Feb 2026 |
| 16610 | Knight, Wilbur H. Et Al | | Oil & Gas Operator | Jul 1991 |
| 16611 | Knighton Oil Com | | Oil & Gas Operator | Nov 1996 |
| 16612 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 16613 | Knightsbridge Petroleum Corp. | | Oil Operator | Jul 1991 |
| 16614 | KNK Oil & Gas | Abilene, TX 79602 | Oil & Gas Operator | Dec 1996 |
| 16615 | Knobler, Alfred E | | Oil & Gas Operator | Dec 2003 |
| 16616 | Knobloch, Albert | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 16617 | Knotts Brothers | Orma, WV 25268-0000 | Oil & Gas Operator | Dec 2021 |
| 16618 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |
| 16619 | Knox Industries, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Feb 2026 |
| 16620 | Knox, D. M., Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2000 |
| 16621 | Knox, H. A. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 16622 | Knox, Jack L. | Coleman, TX 76834 | Oil & Gas Operator | Feb 2026 |
| 16623 | Knutson Production Company | Loco, OK 73442-9706 | Oil & Gas Operator | Nov 2025 |
| 16624 | Ko Operating | Merkel, TX 79536 | Oil & Gas Operator | Feb 2026 |
| 16625 | Ko Operating LLC | Austin, TX 78746 | Oil Operator | Feb 2026 |
| 16626 | Kobar Corporation | Riverton, WY 82501 | Gas Operator | Dec 1996 |
| 16627 | Koby Oil Company LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2025 |
| 16628 | Kocana Resources | Ranchos Taos, NM 87557 | Oil & Gas Operator | Jul 1999 |
| 16629 | Koch Exploration | | Oil & Gas Operator | Oct 1988 |
| 16630 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Apr 2003 |
| 16631 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 16632 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
| 16633 | Koch Hydrocarbon Company | Wichita, KS 67220-3203 | Oil & Gas Operator | Nov 2014 |
| 16634 | Koch Midstream Services Company | Wichita, KS 67201 | Oil & Gas Operator | Oct 2000 |
| 16635 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 16636 | Koch Production Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2002 |
| 16637 | Koch, P. S. | Seguin, TX 78155 | Oil & Gas Operator | May 2018 |
| 16638 | Koda GNB, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 16639 | Koda Operating LLC | Tyler, TX 75703-5596 | Oil & Gas Operator | Nov 2025 |
| 16640 | Koda Resources Operating, LLC | | Oil & Gas Operator | Dec 2025 |
| 16641 | Koda Uinta, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 16642 | Kodiak Drilling, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 16643 | Kodiak Energy LLC | Pineville, MO 64856 | Oil Operator | Dec 2019 |
| 16644 | Kodiak Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2020 |
| 16645 | Kodiak Oil & Gas Exploration Inc | Oklahoma City, OK 73134-1046 | Oil & Gas Operator | Oct 2025 |
| 16646 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | Feb 2026 |
| 16647 | Kodiak Oil Co. | Stockton, MO 65785 | Oil Operator | May 1996 |
| 16648 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 16649 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 16650 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Sep 2025 |
| 16651 | Kodiak Productions LTD | Big Lake, TX 76932 | Oil & Gas Operator | Mar 2014 |
| 16652 | Kody Petroleum Co., Inc. | Daisetta, TX 77533 | Oil & Gas Operator | Feb 2026 |
| 16653 | Koebley Timothy W | Warren, PA 16365-2102 | Oil & Gas Operator | Dec 2025 |
| 16654 | Koehler Rose Dba R & H Production | Cement, OK 73017 | Oil & Gas Operator | Oct 2021 |
| 16655 | Koehn Alfred D | | Oil & Gas Operator | Sep 1994 |
| 16656 | Koehn Eldon R | | Oil Operator | Dec 2009 |
| 16657 | Koehn Radell W | | Oil Operator | Dec 2009 |
| 16658 | Koehn, Alfred D.(Deceased) | Galva, KS 67443 | Oil Operator | Mar 1998 |
| 16659 | Koehn, Carolyn | Galva, KS 67443 | Oil Operator | Sep 2025 |
| 16660 | Koehn, John W. | Sublette, KS 67877 | Gas Operator | May 2018 |
| 16661 | Koehn, Max R. | Copeland, KS 67837 | Oil & Gas Operator | Oct 2019 |
| 16662 | Koehn, Radell W. And Austin Koehn & Morgan Koehn | Galva, KS 67443 | Oil Operator | Sep 2025 |
| 16663 | Koehn, Roger D. | Galva, KS 67443 | Oil Operator | Apr 1998 |
| 16664 | Koelsch Rex Or Marie | Tulsa, OK 74107-8647 | Oil & Gas Operator | Jul 2024 |
| 16665 | Kohler Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 16666 | Kohler Industrial Nat. Gas, Inc. | Kohler, WI 53044 | Gas Operator | Dec 2000 |
| 16667 | Kojo Energy, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Feb 2026 |
| 16668 | Koko Skadi, LLC | Austin, TX 78731 | Oil & Gas Operator | Feb 2026 |
| 16669 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | Feb 2026 |
| 16670 | Kokomo Oil Company | Houston, TX 77227 | Oil & Gas Operator | Apr 1998 |
| 16671 | Kolar Petroleum Inc | Oklahoma City, OK 73162-1509 | Oil & Gas Operator | Jun 2007 |
| 16672 | Kolb, James | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2003 |
| 16673 | Kolibri Energy Us, Inc. | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Nov 2025 |
| 16674 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 16675 | Kolodczak, Debra | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 16676 | Konantz, Inc. | | Oil & Gas Operator | Jan 1995 |
| 16677 | Konantz, Ronald J. Inc. | Houma, LA 70360 | Oil & Gas Operator | Feb 2026 |
| 16678 | Koonce Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Oct 1993 |
| 16679 | Koontz Oil Company | Nocona, TX 76255 | Oil Operator | Aug 2022 |
| 16680 | Kop-Mor Producti | | Oil Operator | Sep 1992 |
| 16681 | Kopco Inc | Caney, KS 67333 | Oil & Gas Operator | Oct 2025 |
| 16682 | Koram Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2006 |
| 16683 | Kore Energy LLC | | Oil & Gas Operator | Nov 2025 |
| 16684 | Korman Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2001 |
| 16685 | Kornblit, Majir | | Oil Operator | Nov 1998 |
| 16686 | Kornye-Tillman Company | Cleburne, TX 76031 | Oil & Gas Operator | Feb 2026 |
| 16687 | Koron Investments, Inc. | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 16688 | Kosarek, Charlie | San Antonio, TX 78213 | Oil & Gas Operator | Oct 2006 |
| 16689 | Kot, Inc. | Lost Springs, KS 66859 | Oil Operator | Aug 2016 |
| 16690 | Kotlowski, Keith | Alden, NY 14004 | Oil & Gas Operator | Dec 2024 |
| 16691 | Kottwitz Oil Co., A General Partnership | | Oil Operator | Jul 2019 |
| 16692 | Kouatli, Aiman M. | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2026 |
| 16693 | Kouplen Steve | Beggs, OK 74421 | Oil & Gas Operator | Oct 2024 |
| 16694 | Kovar Operating, LLC | Victoria, TX 77901 | Oil & Gas Operator | Sep 2021 |
| 16695 | Koven Production Co. | San Antonio, TX 78232 | Oil & Gas Operator | Aug 2003 |
| 16696 | Koyl Oil Inc | | Oil & Gas Operator | Jan 2026 |
| 16697 | Kozaczka, Loretta M. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 16698 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
| 16699 | KP Oil, LLC | | Oil & Gas Operator | Sep 2025 |
| 16700 | KPL Production Company LLC | Oklahoma City, OK 73112-4709 | Oil & Gas Operator | Feb 2017 |