| 16701 | KPM Productions Inc. | | Oil & Gas Operator | Dec 1998 |
| 16702 | KPR Incorporated | | Oil & Gas Operator | Nov 1988 |
| 16703 | Kracken Operating LLC | Lawrence, KS 66047 | Oil Operator | Dec 2019 |
| 16704 | Kraemer II LLC | | Oil & Gas Operator | Dec 2000 |
| 16705 | Kraft Oil Compan | | Oil Operator | Nov 1994 |
| 16706 | Kraft Oil Company LLC | Gridley, KS 66852 | Oil Operator | Sep 2025 |
| 16707 | Kraft Petroleum Corporation | Conshohocken, PA 19428 | Gas Operator | Sep 2006 |
| 16708 | Kraft, Jim - Oil Operations | Holyrood, KS 67450 | Oil Operator | Jan 1999 |
| 16709 | Kraft, R L | | Oil Operator | Dec 2023 |
| 16710 | Kraken Development III, LLC | | Oil & Gas Operator | Nov 2021 |
| 16711 | Kraken Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 16712 | Kraker & Martin Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 16713 | Kraker Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 1995 |
| 16714 | Krakrow, Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 16715 | Kram Energy | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Feb 2026 |
| 16716 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 16717 | Kramer Oil Field Service Inc | Wellsville, KS 66092 | Oil Operator | May 2019 |
| 16718 | Kramer Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 16719 | Kramer, Clifford A. | Wichita Falls, TX 76301 | Oil & Gas Operator | Sep 1997 |
| 16720 | Kramer, Frank & Ethel FLP | Graham, TX 76450 | Oil & Gas Operator | Sep 2014 |
| 16721 | Kramer, Frank C. | Graham, TX 76450 | Oil & Gas Operator | Apr 2004 |
| 16722 | Krams Oil & Gas LLC | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 16723 | Kranz, Thomas | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 16724 | Kratos Operating, LLC | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2025 |
| 16725 | Kratzer Oil LLC | | Oil Operator | Sep 2025 |
| 16726 | Kraus Edward L | Medina, OH 44256-8401 | Oil & Gas Operator | Dec 2024 |
| 16727 | Krause, Michael J. & Tracy A. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 16728 | KRB Enterprise, Inc. | | Oil Operator | Dec 2025 |
| 16729 | KRC Operating, LLC | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Oct 2025 |
| 16730 | Krebbs, David B | | Oil & Gas Operator | Nov 2025 |
| 16731 | Krehbiel Oil Co. | McPherson, KS 67460 | Oil & Gas Operator | Oct 1998 |
| 16732 | Krehbiel Oil Com | | Oil & Gas Operator | Mar 1995 |
| 16733 | Krehbiel, Brian | Burrton, KS 67020 | Gas Operator | Mar 2025 |
| 16734 | Krehbiel, Jay | | Oil Operator | Sep 2025 |
| 16735 | Krejci Harry L | | Oil & Gas Operator | Nov 2025 |
| 16736 | Kremco Oil LLC | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 16737 | Kremeier Prod & Operating | | Oil & Gas Operator | Jan 2010 |
| 16738 | Krenek Enterprises, Inc. | Lovelady, TX 75851 | Oil Operator | Feb 2026 |
| 16739 | Krennerman Oil & Gas Co., Inc. | Butler, PA 16001-0000 | Gas Operator | Dec 2015 |
| 16740 | Krescent Energy Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2013 |
| 16741 | KRF Production Company LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2026 |
| 16742 | Kriebel Acquisition Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 16743 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 16744 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 16745 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2025 |
| 16746 | Krier Kirby Oil | | Oil Operator | Dec 1996 |
| 16747 | Krier Oil Oper - | | Oil Operator | Sep 1995 |
| 16748 | Krier Oil Operation | | Oil Operator | Sep 2025 |
| 16749 | Krier, Kirby Oil, Inc. | Claflin, KS 67525 | Oil Operator | Sep 2025 |
| 16750 | Kriken Oil & Gas | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jul 2005 |
| 16751 | Kriken Oil & Gas, Inc. | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Feb 2026 |
| 16752 | Krisco Oil Co. | Kermit, TX 79745 | Oil Operator | Jul 2022 |
| 16753 | Kristen Oil And Gas, Inc. | Edna, TX 77957 | Oil & Gas Operator | Feb 2026 |
| 16754 | Kriti Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2012 |
| 16755 | Kriti Te Energy, Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 2017 |
| 16756 | Krocan Energy Corporation | Bowling Green, KY 42102 | Oil & Gas Operator | Feb 2026 |
| 16757 | Krog Partners, LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 16758 | Krog, Peter L. & Kim R. | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 16759 | Kroh Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 16760 | Kroll Energy LLC | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 16761 | Krot Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 16762 | Krotje, Dorothy C. | Franklinville, NY 14737 | Gas Operator | Dec 2024 |
| 16763 | Krotzer Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Dec 2025 |
| 16764 | KRS Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2020 |
| 16765 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 16766 | Kruckenberg & Scott | Isabel, KS 67065 | Oil Operator | Dec 2011 |
| 16767 | Krueger, A. H., Jr. | Hays, KS 67601 | Oil Operator | Jul 1993 |
| 16768 | Krug, Donald H | Russell, KS 67665 | Oil Operator | Aug 2025 |
| 16769 | Krumme Oil Company LLP | Bristow, OK 74010 | Oil & Gas Operator | Dec 2025 |
| 16770 | Krumme Wesley J | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 1997 |
| 16771 | Krummrich Engineering Corporation | | Oil & Gas Operator | Nov 2025 |
| 16772 | Ksabe Energy Partners, LLC | Oklahoma City, OK 73106 | Oil Operator | Feb 2026 |
| 16773 | KSC Oil | | Oil Operator | Aug 2025 |
| 16774 | KSD, Inc. | | Oil & Gas Operator | May 2004 |
| 16775 | KSM Energy Inc | Pittsburgh, PA 15238-3156 | Gas Operator | Dec 2024 |
| 16776 | KST Oil & Gas Co Inc | Tallmadge, OH 44278-1142 | Oil & Gas Operator | Dec 1995 |
| 16777 | Kstone Energy, LLC | Oklahoma City, OK 73106 | Oil Operator | Feb 2026 |
| 16778 | KSW Operating,LLC | | Oil & Gas Operator | Mar 2015 |
| 16779 | KT Energy Inc | Enid, OK 73702-2365 | Oil & Gas Operator | Nov 2025 |
| 16780 | KT Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2025 |
| 16781 | KT Operating Company LLC | Dallas, TX 75231 | Oil & Gas Operator | Feb 2010 |
| 16782 | KT Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 16783 | KTC Oil Enterprises, LLC | Dallas, TX 75247 | Oil & Gas Operator | Feb 2026 |
| 16784 | KTM Operating LLC | | Oil & Gas Operator | Nov 2025 |
| 16785 | KTP Energy, Inc. | Denver, CO 80226 | Oil & Gas Operator | Aug 2019 |
| 16786 | Kudella, Ron & Cline, Russell | | Oil & Gas Operator | Feb 2021 |
| 16787 | Kuehne Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 16788 | Kuenzler & Flora Reserve Company | | Oil & Gas Operator | Aug 2025 |
| 16789 | Kughn | | Oil Operator | Sep 2019 |
| 16790 | Kugler* Dean & Joe Dba D-J Oil Company | | Oil & Gas Operator | Sep 2019 |
| 16791 | Kuhn Oil Co Inc | Timber Lake, SD 57656 | Oil Operator | Dec 2024 |
| 16792 | Kuhn Richard F | Baltimore, OH 43105 | Oil Operator | Dec 2022 |
| 16793 | Kuhn Walter Dril | | Gas Operator | Dec 1985 |
| 16794 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 16795 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 16796 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 16797 | Kundtz Properties Inc | Orange VIllage, OH 44122 | Gas Operator | Dec 2024 |
| 16798 | Kunkel, Richard A. DDS & Susan K. | Little Valley, NY 14755 | Gas Operator | Dec 2024 |
| 16799 | Kunu Energy LLC | Wichita Falls, TX 76310 | Oil Operator | Feb 2026 |
| 16800 | Kuran Resources | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |