| 15601 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 15602 | Kelmar Oil Company | Chickasha, OK 73018 | Oil & Gas Operator | Jun 2025 |
| 15603 | Kelpetro Operating Inc. | | Oil & Gas Operator | Dec 2021 |
| 15604 | Kelpetro, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2012 |
| 15605 | Kelsey Operating, Inc. | Houston, TX 77077 | Oil Operator | Feb 2022 |
| 15606 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 15607 | Kelso Casing Pulling Of MS Inc | | Oil & Gas Operator | Dec 1993 |
| 15608 | Kelso Oil LLC | Chase, KS 67524 | Oil & Gas Operator | Apr 2007 |
| 15609 | Kelso, Mike Oil | Chase, KS 67524 | Oil Operator | Oct 2013 |
| 15610 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 15611 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 15612 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 15613 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 15614 | Kelton Co. | | Oil Operator | Dec 1964 |
| 15615 | Kelton Oil & Gas Co | Wheeler, TX 79096 | Oil Operator | Jun 1991 |
| 15616 | Kelton Operating Co., Inc. | | Oil Operator | Jul 1991 |
| 15617 | Kelton, B.J. | Rosharon, TX 77583 | Oil & Gas Operator | Sep 2025 |
| 15618 | Kem Energy Us ,LLC | | Oil & Gas Operator | Dec 2023 |
| 15619 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Sep 2025 |
| 15620 | Kem Enterprise Inc. | | Oil & Gas Operator | Jun 2025 |
| 15621 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Jun 2025 |
| 15622 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | May 2025 |
| 15623 | Kemco Oil | Alice, TX 78332 | Oil & Gas Operator | Aug 2009 |
| 15624 | Kemmerer Coal Co | | Oil & Gas Operator | Dec 1981 |
| 15625 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Feb 2025 |
| 15626 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 15627 | Kemp, Walter | Talpa, TX 76882 | Gas Operator | Sep 2025 |
| 15628 | Kemper Operating Co. | Abilene, TX 79605 | Oil & Gas Operator | Nov 2015 |
| 15629 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
| 15630 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Jun 2025 |
| 15631 | Ken-Cas Oil Co. | Levelland, TX 79336 | Oil & Gas Operator | Apr 1998 |
| 15632 | Kenai Oil & Gas Inc | | Oil & Gas Operator | Jun 1987 |
| 15633 | Kenbill Oil Comp | | Oil Operator | Jun 1994 |
| 15634 | Kendall-Davis DRLG Co, Inc | | Oil Operator | Dec 2023 |
| 15635 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Mar 2025 |
| 15636 | Kendrick Oil And Gas Company | Abilene, TX 79608 | Oil & Gas Operator | Sep 2025 |
| 15637 | Kendrick Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 15638 | Kendrick, Barbara S. | Baytown, TX 77521 | Oil Operator | Sep 2025 |
| 15639 | Kendrick, Paul W. | Baytown, TX 77520 | Oil & Gas Operator | Sep 2005 |
| 15640 | Keneco, Inc | | Oil & Gas Operator | Dec 2018 |
| 15641 | Kenergy Petroleum Corp | | Oil & Gas Operator | Dec 1982 |
| 15642 | Kenergy-Wainoco | | Oil & Gas Operator | Mar 1981 |
| 15643 | Kenne Exploration, Inc. | Missouri City, TX 77489 | Oil & Gas Operator | Sep 2025 |
| 15644 | Kennec Trustee* Frank | | Gas Operator | Apr 2008 |
| 15645 | Kenneco Incorpor | | Oil Operator | Sep 1984 |
| 15646 | Kennedy & Mitche | | Oil & Gas Operator | May 1990 |
| 15647 | Kennedy & Mitchell | Woodward, OK 73802 | Oil & Gas Operator | Dec 1988 |
| 15648 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 15649 | Kennedy And Bacheller | | Oil & Gas Operator | Apr 1989 |
| 15650 | Kennedy George C | Upton, WY 82730 | Oil & Gas Operator | Oct 2018 |
| 15651 | Kennedy Oil | Gillette, WY 82716 | Oil & Gas Operator | Jul 2025 |
| 15652 | Kennedy, Billy N | | Oil & Gas Operator | Dec 2019 |
| 15653 | Kennedy, Howard E | | Oil & Gas Operator | May 1997 |
| 15654 | Kennedy, Joseph D. | Stephenville, TX 76401 | Oil & Gas Operator | Jun 1995 |
| 15655 | Kennedy, R. R. Production, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Sep 2025 |
| 15656 | Kennedy, Tracy J | | Oil Operator | Jun 2025 |
| 15657 | Kennemer, Darrell | Boyd, TX 76023 | Oil Operator | Sep 2025 |
| 15658 | Kenneth & Regina Laymon, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2019 |
| 15659 | Kenneth D Luff | | Oil & Gas Operator | Dec 1983 |
| 15660 | Kenneth Darnell | | Oil Operator | Jan 2025 |
| 15661 | Kenneth H. Hunter Jr. | | Oil & Gas Operator | Dec 1991 |
| 15662 | Kenneth H. Hunter Jr. Trustee Of The Hunter Living Trust | | Oil & Gas Operator | Dec 2001 |
| 15663 | Kenneth Lopez And Conway Lopez | | Oil & Gas Operator | Jun 2025 |
| 15664 | Kenneth R Ingle Associates Inc | | Oil Operator | Dec 2023 |
| 15665 | Kenneth Sperry | | Oil & Gas Operator | Dec 1992 |
| 15666 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Jun 2025 |
| 15667 | Kenny Brown Enterprises LLC | Hays, KS 67601 | Oil Operator | Jul 2013 |
| 15668 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 15669 | Kenoil LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 15670 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 15671 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 |
| 15672 | Kent Resources Corp. | | Oil Operator | Dec 1983 |
| 15673 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 15674 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | May 2025 |
| 15675 | Kent, Charles Operating Co. Inc. | Powell, TX 75153 | Oil & Gas Operator | Dec 2007 |
| 15676 | Kent, Jennette M. | Great Valley, NY 14741 | Gas Operator | Dec 2024 |
| 15677 | Kent, Kristin H. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 15678 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 15679 | Kentex Worland LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 15680 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 15681 | Kentta & Drwenski | Casper, WY 82602 | Oil & Gas Operator | Nov 1995 |
| 15682 | Kentucky Exploration LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2014 |
| 15683 | Kentucky Gas Development, LLC | | Oil & Gas Operator | Dec 2020 |
| 15684 | Kentucky Petroleum Operating, LTD | | Oil & Gas Operator | Dec 2017 |
| 15685 | Kenworthy Oil Company | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 15686 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 15687 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 15688 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 15689 | Kepa Energy, L.C. | Marshall, TX 75670 | Oil & Gas Operator | Mar 1998 |
| 15690 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Jul 2025 |
| 15691 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 15692 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 15693 | Kephart Drilling, Inc. | Thayer, KS 66776 | Oil & Gas Operator | Dec 2008 |
| 15694 | Kepley Brothers | Chanute, KS 66720 | Oil Operator | Sep 1992 |
| 15695 | Kepley Well Service, LLC | Chanute, KS 66720 | Oil Operator | Mar 2025 |
| 15696 | Kepley, L.F. | Wichita, KS 67204 | Oil Operator | Feb 1986 |
| 15697 | Kepley, William Samuel | Chanute, KS 66720 | Oil Operator | Nov 2024 |
| 15698 | Keplinger, Jason M. & Mykia D. | | Gas Operator | Dec 2021 |
| 15699 | Kera-Oil | Great Bend, KS 67530 | Oil Operator | Dec 2009 |
| 15700 | Kermit Tyree Contracting, Inc. | Elkview, WV 25071 | Gas Operator | Dec 2021 |