| 15701 | KLM Operating | | Oil & Gas Operator | Mar 2025 |
| 15702 | KLM Petroleum Corp. | Midland, TX 79705 | Oil & Gas Operator | May 2026 |
| 15703 | KLMKH Inc | Charlotte, NC 28270 | Oil Operator | Sep 2025 |
| 15704 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Feb 2026 |
| 15705 | Klo Oil & Gas, L.L.C. | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2023 |
| 15706 | Kloberdanz Paul | | Gas Operator | Apr 1991 |
| 15707 | Kloberdanz Paul E | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 15708 | Klock, Ted | Corsicana, TX 75110 | Oil Operator | Jul 2022 |
| 15709 | Klondike Investments, Inc. | Paola, KS 66071 | Oil Operator | Sep 2011 |
| 15710 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | May 2026 |
| 15711 | Klug, E A & A J (Estate) | Proctor, WV 26055-0000 | Oil & Gas Operator | Dec 2021 |
| 15712 | Klutts, Carlos J. | Austin, TX 78711 | Oil & Gas Operator | Apr 2002 |
| 15713 | KMD Operating Company LLC | | Oil & Gas Operator | Dec 2015 |
| 15714 | Kmfad Oil And Gas LLC | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2023 |
| 15715 | Kmi Continental Off. Prod. Co. | | Oil & Gas Operator | Jan 1988 |
| 15716 | KMK Oil & Gas, Inc. | Marshall, TX 75671 | Oil & Gas Operator | May 2026 |
| 15717 | KMP Operating Inc. | | Oil Operator | Dec 2025 |
| 15718 | KMV Consulting Inc | Winston Salem, NC 27101-2561 | Gas Operator | Dec 2012 |
| 15719 | KN Production Company | Lakewood, CO 80228 | Oil & Gas Operator | Jun 2003 |
| 15720 | Knaup, Harry J. & Lucille | Shelby, MT 59474 | Oil Operator | Oct 2023 |
| 15721 | KND Oil & Gas, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2023 |
| 15722 | Kneupper Oil, LLC | MC Camey, TX 79752 | Oil & Gas Operator | May 2026 |
| 15723 | KNG Producers | Dumas, TX 79029 | Oil & Gas Operator | Oct 2009 |
| 15724 | Knickerbocker Land Resources | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2015 |
| 15725 | Knife Oil Company Inc | Cushing, OK 74023-1347 | Oil & Gas Operator | Aug 2000 |
| 15726 | Knife River Oil, LLC | Bull Shoals, AR 72619 | Oil Operator | Feb 2017 |
| 15727 | Knight Casing Pulling Company | | Oil Operator | Jun 1989 |
| 15728 | Knight Energy Inc | Tulsa, OK 74104 | Oil Operator | Jan 2026 |
| 15729 | Knight Exploration, Inc. | | Oil & Gas Operator | Sep 1989 |
| 15730 | Knight Oil Company | Victoria, KS 67671 | Gas Operator | Dec 2025 |
| 15731 | Knight Resources LLC | | Oil & Gas Operator | Dec 2013 |
| 15732 | Knight Resources, Inc. | | Oil & Gas Operator | Dec 2011 |
| 15733 | Knight, Joeann | Kilgore, TX 75662 | Oil Operator | Sep 1989 |
| 15734 | Knight, Michael L. | Ripley, NY 14775 | Gas Operator | Dec 2024 |
| 15735 | Knight, Reuben B. | Windthorst, TX 76389 | Oil & Gas Operator | May 2026 |
| 15736 | Knight, Wilbur H. Et Al | | Oil & Gas Operator | Jul 1991 |
| 15737 | Knighton Oil Com | | Oil & Gas Operator | Nov 1996 |
| 15738 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 15739 | Knightsbridge Petroleum Corp. | | Oil Operator | Jul 1991 |
| 15740 | KNK Oil & Gas | Abilene, TX 79602 | Oil & Gas Operator | Dec 1996 |
| 15741 | Knobler, Alfred E | | Oil & Gas Operator | Dec 2003 |
| 15742 | Knobloch, Albert | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 15743 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |
| 15744 | Knox Industries, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | May 2026 |
| 15745 | Knox, D. M., Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2000 |
| 15746 | Knox, H. A. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 15747 | Knox, Jack L. | Coleman, TX 76834 | Oil & Gas Operator | May 2026 |
| 15748 | Knutson Production Company | Loco, OK 73442-9706 | Oil & Gas Operator | Jan 2026 |
| 15749 | Ko Operating | Merkel, TX 79536 | Oil & Gas Operator | May 2026 |
| 15750 | Ko Operating LLC | Austin, TX 78746 | Oil Operator | May 2026 |
| 15751 | Kobar Corporation | Riverton, WY 82501 | Gas Operator | Dec 1996 |
| 15752 | Koby Oil Company LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 15753 | Kocana Resources | Ranchos Taos, NM 87557 | Oil & Gas Operator | Jul 1999 |
| 15754 | Koch Exploration | | Oil & Gas Operator | Oct 1988 |
| 15755 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Apr 2003 |
| 15756 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 15757 | Koch Gateway Pipeline Company | | Oil & Gas Operator | Feb 2001 |
| 15758 | Koch Hydrocarbon Company | Wichita, KS 67220-3203 | Oil & Gas Operator | Nov 2014 |
| 15759 | Koch Midstream Services Company | Wichita, KS 67201 | Oil & Gas Operator | Oct 2000 |
| 15760 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 15761 | Koch Production Company | Worland, WY 82401 | Oil & Gas Operator | Dec 2002 |
| 15762 | Koch, P. S. | Seguin, TX 78155 | Oil & Gas Operator | May 2018 |
| 15763 | Koda GNB, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 15764 | Koda Operating LLC | Tyler, TX 75703-5596 | Oil & Gas Operator | Jan 2026 |
| 15765 | Koda Resources Operating, LLC | | Oil & Gas Operator | Feb 2026 |
| 15766 | Koda Uinta, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 15767 | Kodiak Drilling, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 15768 | Kodiak Energy LLC | Pineville, MO 64856 | Oil Operator | Dec 2019 |
| 15769 | Kodiak Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2020 |
| 15770 | Kodiak Oil & Gas Exploration Inc | Oklahoma City, OK 73134-1046 | Oil & Gas Operator | Feb 2026 |
| 15771 | Kodiak Oil & Gas Inc | Muenster, TX 76252 | Oil & Gas Operator | May 2026 |
| 15772 | Kodiak Oil Co. | Stockton, MO 65785 | Oil Operator | May 1996 |
| 15773 | Kodiak Operating, L.L.C. | Olney, TX 76374 | Oil & Gas Operator | May 2026 |
| 15774 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 15775 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Dec 2025 |
| 15776 | Kodiak Productions LTD | Big Lake, TX 76932 | Oil & Gas Operator | Mar 2014 |
| 15777 | Kody Petroleum Co., Inc. | Daisetta, TX 77533 | Oil & Gas Operator | May 2026 |
| 15778 | Koebley Timothy W | Warren, PA 16365-2102 | Oil & Gas Operator | Dec 2025 |
| 15779 | Koehler Rose Dba R & H Production | Cement, OK 73017 | Oil & Gas Operator | Oct 2021 |
| 15780 | Koehn Alfred D | | Oil & Gas Operator | Sep 1994 |
| 15781 | Koehn Eldon R | | Oil Operator | Dec 2009 |
| 15782 | Koehn Radell W | | Oil Operator | Dec 2009 |
| 15783 | Koehn, Alfred D.(Deceased) | Galva, KS 67443 | Oil Operator | Mar 1998 |
| 15784 | Koehn, Carolyn | Galva, KS 67443 | Oil Operator | Dec 2025 |
| 15785 | Koehn, John W. | Sublette, KS 67877 | Gas Operator | May 2018 |
| 15786 | Koehn, Max R. | Copeland, KS 67837 | Oil & Gas Operator | Oct 2019 |
| 15787 | Koehn, Radell W. And Austin Koehn & Morgan Koehn | Galva, KS 67443 | Oil Operator | Dec 2025 |
| 15788 | Koehn, Roger D. | Galva, KS 67443 | Oil Operator | Apr 1998 |
| 15789 | Koelsch Rex Or Marie | Tulsa, OK 74107-8647 | Oil & Gas Operator | Jul 2024 |
| 15790 | Kohler Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 15791 | Kohler Industrial Nat. Gas, Inc. | Kohler, WI 53044 | Gas Operator | Dec 2000 |
| 15792 | Kojo Energy, Inc. | Odessa, TX 79760 | Oil & Gas Operator | May 2026 |
| 15793 | Koko Skadi, LLC | Austin, TX 78731 | Oil & Gas Operator | May 2026 |
| 15794 | Kokomo Energy, Inc. | Gorman, TX 76454 | Oil & Gas Operator | May 2026 |
| 15795 | Kokomo Oil Company | Houston, TX 77227 | Oil & Gas Operator | Apr 1998 |
| 15796 | Kolar Petroleum Inc | Oklahoma City, OK 73162-1509 | Oil & Gas Operator | Jun 2007 |
| 15797 | Kolb, James | Aspermont, TX 79502 | Oil & Gas Operator | Jul 2003 |
| 15798 | Kolibri Energy Us, Inc. | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Jan 2026 |
| 15799 | Kollao Properties LLC | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 15800 | Kolodczak, Debra | North Collins, NY 14111 | Gas Operator | Dec 2024 |