| 15601 | Kahan & Associates Inc | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2025 |
| 15602 | Kahan Louis | Tulsa, OK 74101 | Oil & Gas Operator | May 1994 |
| 15603 | Kahlenberg Oil And Gas LLC | Conroe, TX 77304 | Oil Operator | Feb 2026 |
| 15604 | Kahn George Operating Co | Seminole, OK 74818 | Oil & Gas Operator | Nov 2000 |
| 15605 | Kain Petroleum Company | Pearsall, TX 78061 | Gas Operator | May 2011 |
| 15606 | Kain Petroleum, LLC | Pearsall, TX 78061 | Oil & Gas Operator | Feb 2026 |
| 15607 | Kainz, David R. | Ottawa, KS 66067 | Oil Operator | Aug 2009 |
| 15608 | Kaiser Aluminum Exploration Co | | Oil & Gas Operator | Dec 1986 |
| 15609 | Kaiser Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1990 |
| 15610 | Kaiser Farms | Edmond, OK 73025-9489 | Oil & Gas Operator | Oct 2025 |
| 15611 | Kaiser Investments | Sand Springs, OK 74063 | Oil & Gas Operator | Sep 2003 |
| 15612 | Kaiser Oil (U.S.) LTD. | | Oil & Gas Operator | Apr 1983 |
| 15613 | Kaiser Operating, LLC | | Oil & Gas Operator | Oct 2025 |
| 15614 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 15615 | Kaiser-Francis Oil | | Oil Operator | Nov 1995 |
| 15616 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Feb 2026 |
| 15617 | Kal Energy Inc | Oklahoma City, OK 73116-3606 | Oil Operator | Nov 2014 |
| 15618 | Kal Oil Operations | | Oil Operator | Jun 2025 |
| 15619 | Kala Oil Company | Sundown, TX 79372 | Oil & Gas Operator | Feb 2026 |
| 15620 | Kalco Development Corporation | | Gas Operator | Dec 1989 |
| 15621 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 15622 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 15623 | Kaler Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Dec 2024 |
| 15624 | Kalkaska Oilfield Services Inc | | Oil Operator | Aug 2006 |
| 15625 | Kalkman Oil Corporation | Duncan, OK 73533 | Oil & Gas Operator | Oct 2025 |
| 15626 | Kallina, Carlton J. | Houston, TX 77269 | Gas Operator | Feb 2026 |
| 15627 | Kalos Corporation | Tyler, TX 75701 | Oil & Gas Operator | Feb 2026 |
| 15628 | Kalstra Energy LTD | Denver, CO 80222-5938 | Gas Operator | Jun 2018 |
| 15629 | Kamc Oil & Gas LLC | Queen Creek, AZ 85142 | Oil Operator | Jan 2011 |
| 15630 | Kamco Hot Oil Service Inc | Cement, OK 73017 | Oil & Gas Operator | Oct 2025 |
| 15631 | Kamco Limited | Salt Lake City, UT 84105 | Oil Operator | Sep 2016 |
| 15632 | Kamlok Oil & Gas, Inc. | Houston, TX 77240 | Oil & Gas Operator | Jun 1996 |
| 15633 | Kamlok, Inc. | | Oil Operator | Nov 1991 |
| 15634 | Kammer, Walter A. | Holland, NY 14080 | Gas Operator | Dec 2024 |
| 15635 | Kampresco Energy, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 15636 | Kan-Cal Enterpri | | Oil Operator | Dec 1988 |
| 15637 | Kan-Ex Incorpora | | Oil & Gas Operator | Jan 1985 |
| 15638 | Kan-Tex Drilling Corp. | | Oil Operator | Dec 1981 |
| 15639 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 15640 | Kana Resources, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Aug 2003 |
| 15641 | Kanaco Oil Company | | Oil Operator | Apr 2025 |
| 15642 | Kanalta Resources, LTD. | Yates Center, KS 66783 | Oil Operator | Jan 1998 |
| 15643 | Kanan Oil & Gas, Inc. | | Oil & Gas Operator | Oct 1987 |
| 15644 | Kandletop Operating, LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Oct 2025 |
| 15645 | Kaneb Energy Company | | Oil & Gas Operator | Jan 1986 |
| 15646 | Kaneb Oil & Gas | | Oil & Gas Operator | Oct 1987 |
| 15647 | Kaneb Oil & Gas Company | | Oil & Gas Operator | Nov 1985 |
| 15648 | Kaneb Operating Company | Dallas, TX 75265-0283 | Oil & Gas Operator | Dec 1995 |
| 15649 | Kaneb Operg Co. LTD. PTN. | | Oil & Gas Operator | Aug 1988 |
| 15650 | Kanik, Anthony S Dba Kanik Oil Co | McLeansboro, IL 62859 | Oil Operator | Dec 2023 |
| 15651 | Kanmap Incorpora | | Oil & Gas Operator | Dec 1995 |
| 15652 | Kanmap, A Kansas Corporation | Independence, KS 67301 | Oil & Gas Operator | Aug 2025 |
| 15653 | Kano Partners | | Oil Operator | Sep 1989 |
| 15654 | Kanokla Oil & Gas Corporation | Wellington, KS 67152-0444 | Oil & Gas Operator | Oct 2025 |
| 15655 | Kanpetro, Inc. | | Oil Operator | May 1991 |
| 15656 | Kansas Bourse In | | Oil & Gas Operator | Apr 1985 |
| 15657 | Kansas City Oil, LLC | Parkville, MO 64152 | Oil Operator | Aug 2025 |
| 15658 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 15659 | Kansas Crude Oil | | Oil Operator | Dec 1987 |
| 15660 | Kansas Crude Resources, LLC | | Oil Operator | Sep 2025 |
| 15661 | Kansas Crude, Inc. | Hutchinson, KS 67501 | Oil & Gas Operator | Apr 2003 |
| 15662 | Kansas Energy Company, L.L.C. | Sedan, KS 67361 | Oil & Gas Operator | Sep 2025 |
| 15663 | Kansas Gas Co., Inc. | Wichita Falls, TX 76310 | Gas Operator | Sep 2025 |
| 15664 | Kansas Gas Purchasing | Salina, KS 67401 | Oil & Gas Operator | May 1995 |
| 15665 | Kansas Gas Service | | Oil Operator | Nov 1996 |
| 15666 | Kansas Gas Suppl | | Gas Operator | Sep 1984 |
| 15667 | Kansas Horizon O | | Oil & Gas Operator | Jun 1994 |
| 15668 | Kansas Horizon Oil, Inc. | Windom, KS 67491 | Oil Operator | May 2017 |
| 15669 | Kansas Ka-Tex Joint Venture, A General Partnership | San Antonio, TX 78216 | Gas Operator | Aug 2011 |
| 15670 | Kansas MB Project, LLC | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 15671 | Kansas Natural G | | Oil & Gas Operator | Dec 1996 |
| 15672 | Kansas Natural Gas Operating, LC | Hays, KS 67601 | Gas Operator | Sep 2025 |
| 15673 | Kansas Natural Gas, Inc. | Hays, KS 67601 | Gas Operator | Sep 2025 |
| 15674 | Kansas Oil & Gas Corporation | Woodland HLS, CA 91367 | Oil & Gas Operator | Feb 2001 |
| 15675 | Kansas Oil Company | Kansas City, KS 66117 | Oil Operator | May 1997 |
| 15676 | Kansas Oil Prope | | Oil & Gas Operator | Sep 1991 |
| 15677 | Kansas Oil, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 15678 | Kansas Oil, LLC | | Oil Operator | Sep 2025 |
| 15679 | Kansas Petroleum | | Oil & Gas Operator | Dec 1993 |
| 15680 | Kansas Petroleum, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jul 2007 |
| 15681 | Kansas Power & L | | Oil Operator | Mar 1982 |
| 15682 | Kansas Renewable Resources, LLC | Great Bend, KS 67530 | Oil Operator | Sep 2025 |
| 15683 | Kansas Resource Exploration & Development, LLC | Overland Park, KS 66202 | Oil Operator | Sep 2025 |
| 15684 | Kansas Resource Exploration And Development | | Oil Operator | Apr 2022 |
| 15685 | Kansas Shallow L | | Gas Operator | Oct 1990 |
| 15686 | Kansons Oil Co. | | Oil Operator | Jan 2014 |
| 15687 | Kant Walter F | Lance Creek, WY 82222 | Oil & Gas Operator | Dec 2002 |
| 15688 | Kantor Oil Compa | | Oil Operator | Aug 1994 |
| 15689 | Kantor Oil Company LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2025 |
| 15690 | Kar Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 15691 | Kara Enterprises Inc | Upton, WY 82730 | Oil Operator | Jul 2013 |
| 15692 | Karbank, Barney | Kansas City, MO 64199 | Oil Operator | Sep 2001 |
| 15693 | Karbuhn Oil Company | Tomball, TX 77375 | Oil & Gas Operator | Feb 2026 |
| 15694 | Kardaleff Steven T | Lawton, OK 73507-8471 | Oil Operator | Mar 2015 |
| 15695 | Karen D. Mott & Mark D. Covert | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 15696 | Karenco Energy, Incorporated | Seguin, TX 78155 | Oil & Gas Operator | Oct 1997 |
| 15697 | Karico GP, LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 15698 | Karis Resources, LLC | Tyler, TX 75707 | Oil & Gas Operator | Feb 2019 |
| 15699 | Karlton Terry Oil Company | | Oil Operator | Jan 1991 |
| 15700 | Karper Company, The | Graham, TX 76450 | Oil & Gas Operator | Feb 2003 |