| 2801 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
| 2802 | Midnight Well Se | | Oil Operator | Sep 1994 |
| 2803 | Midstates Energy Operating, LLC | FT Myers, FL 33912 | Oil Operator | Dec 2023 |
| 2804 | Midway Drilling | | Oil & Gas Operator | Dec 1996 |
| 2805 | Midway Operating Co. | Great Bend, KS 67530 | Oil Operator | Jan 1998 |
| 2806 | Midwest Oil, LLC | Destin, FL 32541 | Oil Operator | Nov 2023 |
| 2807 | Midwest Turf | El Dorado, KS 67042 | Oil Operator | Jun 1998 |
| 2808 | Midwestern Exploration Co. | Edmond, OK 73013 | Oil & Gas Operator | Jan 2024 |
| 2809 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 2810 | Midwestern Suppl | | Oil Operator | Oct 1986 |
| 2811 | Migwis | Great Bend, KS 67530 | Oil Operator | Mar 1988 |
| 2812 | Mike Blaes & Peggy Blaes, A General Partnership | Cherryvale, KS 67335 | Oil Operator | Dec 2023 |
| 2813 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Jan 2024 |
| 2814 | Mikol Oil LLC | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 2815 | Milburn, Harold J. | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2003 |
| 2816 | Millennium Oil & Gas Inc | Dexter, KS 67038 | Oil & Gas Operator | Dec 2023 |
| 2817 | Miller Bros Oil Company, Inc. | Burlington, KS 66839 | Oil Operator | Dec 2009 |
| 2818 | Miller Energy, LLC | Garnett, KS 66032 | Oil Operator | Nov 2019 |
| 2819 | Miller Oil Company, LLC | Chanute, KS 66720 | Oil Operator | Jun 2022 |
| 2820 | Miller, Bobby Elzo | Sedan, KS 67361 | Oil Operator | Dec 2009 |
| 2821 | Miller, Everett E. | Sedan, KS 67361 | Oil & Gas Operator | Sep 1986 |
| 2822 | Miller, James R. | Herrington, KS 67449 | Oil Operator | Jan 2024 |
| 2823 | Miller, Myron R. | Haven, KS 67543 | Oil Operator | Oct 2017 |
| 2824 | Miller, Ralph D. & Faye C. | Cherryvale, KS 67335 | Oil Operator | Apr 2003 |
| 2825 | Miller, Robert A. | Sedan, KS 67361 | Oil Operator | Aug 2022 |
| 2826 | Miller-Becker Enterprises, LLC | Russell, KS 67665 | Oil Operator | Dec 2023 |
| 2827 | Mills, Norman | Lake City, KS 67071 | Oil Operator | Dec 1995 |
| 2828 | Mills, Ralph A. | Louisburg, KS 66053 | Oil Operator | May 1998 |
| 2829 | Minatome Corporation | | Oil & Gas Operator | Sep 1987 |
| 2830 | Minner Oil Field Service | | Oil Operator | Jul 2008 |
| 2831 | Mishler Oil | | Oil Operator | May 1989 |
| 2832 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 2833 | Mitchell Wyatt B | | Oil Operator | Aug 1993 |
| 2834 | Mitchell, Terri L. | Pine Haven, WY 82721 | Oil Operator | Dec 2023 |
| 2835 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 2836 | Miura Petroleum, Inc. | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 2837 | Miway Operations | Russell, KS 67665 | Oil Operator | Aug 1994 |
| 2838 | MJ Energy, LLC | Denver, CO 80206 | Oil Operator | Jan 2024 |
| 2839 | MJ Oil Company | Minerva, OH 44657 | Oil & Gas Operator | Dec 2008 |
| 2840 | MJT Oil | | Oil Operator | Jan 2024 |
| 2841 | MKJ Oil Co LLC | Harper, KS 67058 | Oil & Gas Operator | Jan 2024 |
| 2842 | Mo-Kan Oil Group | St. Louis, MO 63131 | Oil Operator | Sep 2001 |
| 2843 | Mobil Oil Corpor | | Oil & Gas Operator | Dec 1996 |
| 2844 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
| 2845 | Moff Oil Company | Pratt, KS 67124 | Gas Operator | Apr 1988 |
| 2846 | Mohawk Petroleum | | Oil & Gas Operator | Jan 1995 |
| 2847 | Mohr, Steve | Maize, KS 67101 | Oil Operator | Aug 2022 |
| 2848 | Molitor Oil, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Jan 2024 |
| 2849 | Molz Oil Company | Kiowa, KS 67070 | Oil & Gas Operator | Feb 2024 |
| 2850 | Monarch Energy C | | Oil Operator | Nov 1987 |
| 2851 | Monarch Energy LLC | Paola, KS 66071 | Oil Operator | Dec 2023 |
| 2852 | Monarch Petroleum Corporation | FT Worth, TX 76102 | Oil & Gas Operator | Dec 2019 |
| 2853 | Monfort, Roy C. | Iola, KS 66749 | Oil & Gas Operator | Sep 1989 |
| 2854 | Monsanto Oil Com | | Oil Operator | Nov 1996 |
| 2855 | Montgomery Count | | Oil Operator | Dec 1992 |
| 2856 | Montgomery Production & Operating LLC | Herington, KS 67449 | Oil & Gas Operator | Jan 2024 |
| 2857 | Monument Resources, Inc. | Castle Rock, CO 80104 | Oil & Gas Operator | Jun 2012 |
| 2858 | Moore, Brent L. | McPherson, KS 67460 | Oil Operator | Dec 1996 |
| 2859 | Moore, Clay (Deceased) | Dallas, TX 75218 | Oil Operator | Sep 2001 |
| 2860 | Moore, Douglas L. | Gridley, KS 66852 | Oil Operator | Jan 2019 |
| 2861 | Mor-Meg Incorpor | | Oil Operator | Dec 1996 |
| 2862 | Moran Oil Enterprises, LLC | Seminole, OK 74818 | Oil & Gas Operator | Dec 2023 |
| 2863 | Morgenstern Oil Operations LLC | Ellinwood, KS 67526 | Oil Operator | Jan 2024 |
| 2864 | Morris & Morris | | Oil Operator | Sep 1995 |
| 2865 | Morris Everett E | | Oil & Gas Operator | Feb 1991 |
| 2866 | Morris Oil Operations | | Oil Operator | Jan 2024 |
| 2867 | Morris Richard B | | Oil Operator | Dec 1996 |
| 2868 | Morrison, Mark L. | Yates Center, KS 66783 | Oil Operator | Jan 2024 |
| 2869 | Morrison-Dixon O | | Oil Operator | Oct 1993 |
| 2870 | Morrow, Joe | Farmington, NM 87401 | Oil Operator | Jan 1993 |
| 2871 | Morsey Oil & Gas | | Oil & Gas Operator | Mar 1995 |
| 2872 | Moss Petroleum Company | Dallas, TX 75207 | Oil & Gas Operator | May 2024 |
| 2873 | Mountain Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2016 |
| 2874 | Moylan, Thomas F. | Lacygne, KS 66040 | Oil & Gas Operator | Dec 1993 |
| 2875 | MSG Resources Inc. | Iola, KS 66749 | Oil Operator | Jan 2024 |
| 2876 | MTM Petroleum, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Jan 2024 |
| 2877 | Muegge, Clay A. | Lamont, OK 74643 | Oil & Gas Operator | Feb 2024 |
| 2878 | Mueller Oil | | Oil Operator | Dec 2023 |
| 2879 | Mull Drilling Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2024 |
| 2880 | Multiplex Resources, Inc. | Baytown, TX 77521 | Oil Operator | Dec 2009 |
| 2881 | Murchison Oil & | | Oil Operator | Mar 1988 |
| 2882 | Murfin Drilling | | Oil & Gas Operator | Jul 1997 |
| 2883 | Murfin Drilling Co., Inc. | Wichita, KS 67202 | Oil & Gas Operator | Mar 2024 |
| 2884 | Murjo Oil & Royalty Company | Fort Worth, TX 76121 | Oil & Gas Operator | Jan 2024 |
| 2885 | Murk, James M. | Wheaton, IL 60189 | Gas Operator | Jan 1999 |
| 2886 | Murphy, Charles H. | Altoona, KS 66710 | Oil Operator | Jul 2022 |
| 2887 | Murphy, Earl M. | Madison, KS 66860 | Oil Operator | Jun 1999 |
| 2888 | Musgrove Casey O | | Oil Operator | Oct 1993 |
| 2889 | Musgrove Energy Inc | Ponca City, OK 74602 | Oil & Gas Operator | Dec 2023 |
| 2890 | Musgrove Petrole | | Oil & Gas Operator | Dec 1996 |
| 2891 | Musgrove Produci | | Oil Operator | May 1989 |
| 2892 | Musgrove Producing | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 2893 | Musgrove, Casey Oil | Ponca City, OK 74602-0391 | Oil & Gas Operator | Jun 2017 |
| 2894 | Mustang Drilling | | Oil & Gas Operator | Nov 1996 |
| 2895 | Mustang Drilling, Inc. | Henderson, TX 75653 | Oil & Gas Operator | May 2024 |
| 2896 | Mustang Energy Corporation | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 2897 | Mustang Fuel Cor | | Oil & Gas Operator | Dec 1990 |
| 2898 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2024 |
| 2899 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 2900 | MVRC Partnership | Russell, KS 67655 | Oil Operator | Jan 1992 |