| 15601 | Kingfisher CSG Pullr & Const Inc | Hennessey, OK 73742-0024 | Oil & Gas Operator | Apr 2014 |
| 15602 | Kingfisher Resources Inc | Clinton, OK 73601 | Oil & Gas Operator | Jul 2026 |
| 15603 | Kingman Operating Company, Inc. | Austin, TX 78729 | Oil Operator | Jun 2013 |
| 15604 | Kingman Petroleum Inc | Dolores, CO 81323-9503 | Oil & Gas Operator | Jun 2026 |
| 15605 | Kings CRK Land Oil & Cattle, LLC | Breckenridge, TX 76424 | Oil Operator | Sep 2026 |
| 15606 | Kings Oil Company, Inc. | | Oil Operator | Jun 1989 |
| 15607 | Kings Peak Energy LLC | Denver, CO 80264 | Oil & Gas Operator | Feb 2019 |
| 15608 | Kings X Oil Company LLC | Gillette, WY 82717 | Oil Operator | Aug 2016 |
| 15609 | Kingsbury Petrol | | Oil Operator | Jul 1986 |
| 15610 | Kingston Oil Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 15611 | Kingston Operating Company | | Oil & Gas Operator | Oct 2009 |
| 15612 | Kingwood Energy, LLC | | Oil Operator | Feb 2025 |
| 15613 | Kingwood Exploration LLC | Shreveport, LA 71105 | Oil & Gas Operator | Sep 2026 |
| 15614 | Kingwood Oil Co; Inc | Luling, TX 78648 | Oil & Gas Operator | Nov 2015 |
| 15615 | Kingwood Resources | Luling, TX 78648 | Oil & Gas Operator | Feb 2002 |
| 15616 | Kingwood Resources, Inc. | Kingwood, TX 77339 | Oil & Gas Operator | May 2022 |
| 15617 | Kinlaw Oil Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2026 |
| 15618 | Kinney Incorporated | Andrews, TX 79714 | Oil & Gas Operator | Sep 2026 |
| 15619 | Kinney Oil Company | Denver, CO 80202 | Oil Operator | Nov 2019 |
| 15620 | Kinsey Interests | | Oil & Gas Operator | May 1991 |
| 15621 | Kinsey Interests And Marlin | | Oil Operator | Mar 1983 |
| 15622 | Kinsey Interests Et Al | | Oil Operator | Apr 1988 |
| 15623 | Kintex Petroleum Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 15624 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 15625 | Kiowa Gas Company | Dallas, TX 75206 | Oil & Gas Operator | May 2026 |
| 15626 | Kiowa Producers, LLC | Parsons, KS 67357 | Oil & Gas Operator | Oct 2025 |
| 15627 | Kiowa-T.N.T., Inc. | | Oil Operator | Sep 1981 |
| 15628 | Kipling Energy Incorporated | Shelby, MT 59474 | Oil & Gas Operator | Jan 2011 |
| 15629 | Kirby & Son Dozing | Lewisburg, KY 42256 | Oil Operator | Dec 2023 |
| 15630 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 15631 | Kirby Exploration Company | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 |
| 15632 | Kirby Oil Company | | Oil Operator | Dec 2024 |
| 15633 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jun 2026 |
| 15634 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Jun 2026 |
| 15635 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 15636 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 15637 | Kirkman W L Inco | | Oil & Gas Operator | Dec 1994 |
| 15638 | Kirkpatrick | Longton, KS 67352 | Oil Operator | Jun 2000 |
| 15639 | Kirkpatrick Oil & Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1996 |
| 15640 | Kirkpatrick Oil & Gas L.L.C. | Midland, TX 79701 | Oil & Gas Operator | Dec 2010 |
| 15641 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2026 |
| 15642 | Kirkpatrick Properties LLC | Ellinwood, KS 67526 | Oil Operator | May 2026 |
| 15643 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 15644 | Kirkpatrick, John Oil LLC | Victoria, TX 77905 | Oil & Gas Operator | Sep 2026 |
| 15645 | Kirkwood Engineering, LTD | | Oil Operator | Dec 1991 |
| 15646 | Kirkwood Oil And Gas Co. | | Oil Operator | Jan 1988 |
| 15647 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 15648 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Jun 2025 |
| 15649 | Kirsch, Doris R. | Strykersville, NY 14145 | Gas Operator | Dec 2025 |
| 15650 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 15651 | Kis Oil & Gas Inc | | Oil & Gas Operator | Dec 2014 |
| 15652 | Kiska Oil & Gas Inc | Tulsa, OK 74103 | Oil Operator | Oct 2012 |
| 15653 | Kiska Oil Compan | | Oil & Gas Operator | Oct 1989 |
| 15654 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 15655 | Kismet Properties, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2026 |
| 15656 | Kiss Productions | | Oil & Gas Operator | Oct 2002 |
| 15657 | Kissack Resources. LLC | | Oil & Gas Operator | Jul 2026 |
| 15658 | Kissack Water & Oil Service Inc | Rozet, WY 82727 | Oil & Gas Operator | Jul 2026 |
| 15659 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
| 15660 | Kistler John & Ruth | Newcomerstown, OH 43832 | Oil & Gas Operator | Dec 1998 |
| 15661 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 15662 | Kittle Oil | | Oil Operator | Nov 2025 |
| 15663 | Kiva Resources Inc. | Houston, TX 77265 | Oil & Gas Operator | Mar 2008 |
| 15664 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 15665 | Kiwanda Resc Inc | | Oil & Gas Operator | Aug 1993 |
| 15666 | Kizzar Well Servicing, Inc. | Chase, KS 67524 | Oil Operator | May 2026 |
| 15667 | KJ Energy, LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Jul 2024 |
| 15668 | KJ Energy, LLC Of Delaware | | Oil & Gas Operator | Nov 2016 |
| 15669 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Jun 2026 |
| 15670 | Kjellin, Charles Willard (Deceased) | Marion, KS 66861 | Oil & Gas Operator | Oct 2013 |
| 15671 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Jun 2026 |
| 15672 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 15673 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 15674 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 15675 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 15676 | Klaeger Operating Company II,LLC | Horseshoe Bay, TX 78657 | Oil Operator | Sep 2026 |
| 15677 | Klaeger Operating Company, LLC | Horseshoe Bay, TX 78657 | Oil Operator | Sep 2026 |
| 15678 | Klaeger, J. H. | Hondo, TX 78861 | Oil & Gas Operator | Dec 2009 |
| 15679 | Klassen Energy, Inc. | Cisco, TX 76437 | Oil & Gas Operator | Sep 2026 |
| 15680 | Klause & Klaus Oil Co. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2003 |
| 15681 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 15682 | KLBW Partners, L.L.C. | Ratliff City, OK 73481 | Oil & Gas Operator | Jun 2026 |
| 15683 | KLC Petroleum Company, LLC | Henderson, KY 42420 | Oil Operator | Dec 2023 |
| 15684 | KLD Energy | | Oil & Gas Operator | Dec 2015 |
| 15685 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | Jul 2026 |
| 15686 | Kleese Development Associates | Youngstown, OH 44514 | Oil & Gas Operator | Dec 2025 |
| 15687 | Klein Oil & Logging | Alma, NY 14708 | Oil & Gas Operator | Dec 2025 |
| 15688 | Klein, J. L. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2013 |
| 15689 | Klenda, John | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 15690 | KLH Oil & Gas, Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Sep 2026 |
| 15691 | Klima Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15692 | Klima Well Servi | | Oil Operator | Dec 1996 |
| 15693 | Klima Well Service, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | May 2026 |
| 15694 | Klimko, Nathan J. | Attica, NY 14011 | Gas Operator | Dec 2025 |
| 15695 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 15696 | Klingberg, Roger | Cross Plains, TX 76443 | Oil & Gas Operator | Jan 2017 |
| 15697 | Klinger Energy Inc | Ponca City, OK 74601-7812 | Oil & Gas Operator | Jun 2026 |
| 15698 | Klinger Shirley | Ponca City, OK 74601-7812 | Oil & Gas Operator | Jun 2026 |
| 15699 | Klingler Automatic Industries Inc | | Oil & Gas Operator | Jul 2026 |
| 15700 | Klippel, B.W., Jr. | Wichita, KS 67220 | Oil Operator | May 1999 |