| 2601 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 2602 | Lang Herman Oil | | Oil & Gas Operator | Dec 1996 |
| 2603 | Lang, Herman - Marital Trust | Garden City, KS 67846 | Oil & Gas Operator | Sep 2025 |
| 2604 | Lang, Kenneth R. | Garden City, KS 67846 | Oil & Gas Operator | Sep 2025 |
| 2605 | Langston Oil & Gas LLC | Wichita, KS 67202 | Oil Operator | Aug 2025 |
| 2606 | Lansing Energy C | | Oil Operator | Jun 2006 |
| 2607 | Lansing Energy Operations | Wichita, KS 67202 | Oil Operator | Apr 2010 |
| 2608 | Larcom Mike | | Oil Operator | Feb 1987 |
| 2609 | Lario Oil & Gas | | Oil & Gas Operator | Nov 1995 |
| 2610 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Feb 2026 |
| 2611 | Larrette Resources | | Oil Operator | Nov 1999 |
| 2612 | Larson Buford | | Oil Operator | May 2006 |
| 2613 | Larson Operating | | Oil & Gas Operator | Mar 2001 |
| 2614 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 2615 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 2616 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 2617 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 2618 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Sep 2025 |
| 2619 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 2620 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 2621 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 2622 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 2623 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 2624 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Nov 2025 |
| 2625 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 2626 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 2627 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 2628 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Sep 2025 |
| 2629 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 2630 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 2631 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Aug 2025 |
| 2632 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 2633 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 2634 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 2635 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Sep 2025 |
| 2636 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Jun 2025 |
| 2637 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Feb 2025 |
| 2638 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 2639 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 2640 | Lazer Petroleum | | Oil Operator | Jan 1993 |
| 2641 | LB Exploration, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Sep 2025 |
| 2642 | LDH Operating LLC | Wichita, KS 67278 | Oil Operator | Sep 2025 |
| 2643 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 2644 | Leach, Elwood | Osawatomie, KS 66064 | Oil Operator | Dec 2009 |
| 2645 | Leake Keith D | Winfield, KS 67156-8871 | Oil Operator | Apr 2004 |
| 2646 | Leake, Keith D.(Deceased) Estate | Derby, KS 67037 | Oil Operator | Mar 2003 |
| 2647 | Lear Petroleum E | | Oil & Gas Operator | Jan 1986 |
| 2648 | Leasing & Develo | | Oil & Gas Operator | Feb 1993 |
| 2649 | Leasing & Development, Inc. | Wichita, KS 67202 | Oil Operator | Jun 2022 |
| 2650 | Leavell Resource | | Oil Operator | Dec 1993 |
| 2651 | Leavell Resources Corporation | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 2652 | Leben Corp. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2011 |
| 2653 | Leben Drilling I | | Oil & Gas Operator | Dec 1988 |
| 2654 | Leben Oil Corpor | | Oil & Gas Operator | Apr 1991 |
| 2655 | Leben Theodore I | | Oil & Gas Operator | Dec 1995 |
| 2656 | Leblanc, Michael A And Mary Kaye | Sedan, KS 67361 | Oil Operator | Aug 2025 |
| 2657 | Lebosquet Gas Operations, LLC | Wichita, KS 67202 | Gas Operator | Sep 2025 |
| 2658 | Lebosquet John R | | Gas Operator | Dec 1994 |
| 2659 | Lebosquet, John W. | Wichita, KS 67202 | Gas Operator | Sep 2025 |
| 2660 | Lebow, Marvin E. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1997 |
| 2661 | Lebsack Oil Prod | | Oil & Gas Operator | Nov 1995 |
| 2662 | Lebsack Oil Production Inc. | Stafford, KS 67578 | Oil & Gas Operator | Sep 2025 |
| 2663 | Lebsack, James S. | Denver, CO 80222 | Oil Operator | Sep 1998 |
| 2664 | Led Enterprises | El Dorado, KS 67042 | Oil Operator | Sep 1999 |
| 2665 | Led Enterprises LLC | El Dorado, KS 67042 | Oil Operator | Dec 2009 |
| 2666 | Lee Donna Oil Co | | Oil & Gas Operator | Dec 1996 |
| 2667 | Lee Phillips Oil Company | | Oil Operator | Sep 2025 |
| 2668 | Leedy Oil Produc | | Oil & Gas Operator | Dec 1995 |
| 2669 | Leedy Oil Producers | | Oil Operator | Nov 2009 |
| 2670 | Leeman Energy Co | | Oil & Gas Operator | Jan 1987 |
| 2671 | Legacy Energy, LLC | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 2672 | Legacy Petroleum LLC | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2025 |
| 2673 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Feb 2026 |
| 2674 | Legend Energy LLC | Cherryvale, KS 67335 | Oil Operator | Aug 2025 |
| 2675 | Legend Oil & Gas LTD. | Alpharetta, GA 30022 | Oil Operator | Mar 2015 |
| 2676 | Legleiter, Julius A. | Hays, KS 67601 | Oil Operator | Apr 1996 |
| 2677 | Legrand, Buck | Sedan, KS 67361 | Oil Operator | Jun 1994 |
| 2678 | Leiker, Edward P. | Hays, KS 67601 | Oil Operator | Apr 1992 |
| 2679 | Leis Oil Services, LLC | Yates Center, KS 66783 | Oil Operator | Jul 2023 |
| 2680 | Leis, John E. | Yates Center, KS 66783 | Oil Operator | Sep 2025 |
| 2681 | Leis, Ryan M. | Scottsdale, AZ 85258 | Oil & Gas Operator | Dec 2009 |
| 2682 | Leis, Steven A. | Yates Center, KS 66783 | Oil Operator | Aug 2025 |
| 2683 | Leis, VIctor J. | Paola, KS 66071 | Oil & Gas Operator | Sep 2025 |
| 2684 | Leith Operations | | Oil Operator | Jul 1989 |
| 2685 | Leo Michaelis Oil Operator | | Oil Operator | Oct 2002 |
| 2686 | Leonard, Daniel M. | Fort Worth, TX 76101 | Oil & Gas Operator | Nov 2001 |
| 2687 | Leroy Holt Oil Operations | | Oil Operator | Mar 2010 |
| 2688 | Levi Oil Company | Wichita, KS 67218 | Oil & Gas Operator | Nov 1993 |
| 2689 | Lewis Energy LLC | Tulsa, OK 74159 | Oil Operator | Nov 2025 |
| 2690 | Lewis Oil & Gas Of Galva, Inc. | Galva, KS 67443 | Oil Operator | Sep 2025 |
| 2691 | LH Oil, LLC | Ottawa, KS 66067 | Oil Operator | Sep 2025 |
| 2692 | Liberty Enterpri | | Oil Operator | Jan 1987 |
| 2693 | Liberty Oper & Compl, Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2022 |
| 2694 | Liboc, Inc. | New York, NY 10110 | Oil & Gas Operator | Dec 2009 |
| 2695 | Liddell Harold C | | Gas Operator | Mar 1987 |
| 2696 | Liedtke Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2022 |
| 2697 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 2698 | Lincoln 77 Inc | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 2699 | Lind Oil & Gas | Tulsa, OK 74136 | Gas Operator | Nov 2000 |
| 2700 | Line, Jerry W., SR. | Tulsa, OK 74137 | Oil Operator | Nov 1996 |