| 3101 | K C Crude Inc | Lenexa, KS 66215 | Oil & Gas Operator | Dec 2000 |
| 3102 | K D S Resources Co | Thomas, OK 73669 | Oil & Gas Operator | Apr 2026 |
| 3103 | K Energy Inc | Mannford, OK 74044-3023 | Oil & Gas Operator | May 2013 |
| 3104 | K G Operating | Hennessey, OK 73742 | Oil & Gas Operator | May 1999 |
| 3105 | K L Production Services LLC | Duncan, OK 73533-3409 | Oil & Gas Operator | Nov 2019 |
| 3106 | K O G Production LLC | Freedom, OK 73842 | Oil & Gas Operator | May 2026 |
| 3107 | K Oil Company | Houston, TX 77005 | Oil & Gas Operator | Jul 2026 |
| 3108 | K Phil Fleetwood Oil Properties LLC | Marlow, OK 73055 | Oil & Gas Operator | May 2026 |
| 3109 | K S & S Oil Company Inc | Terral, TX 73569-5056 | Oil Operator | May 2026 |
| 3110 | K S Oil Company Inc | Norman, OK 73072-7480 | Oil & Gas Operator | May 2026 |
| 3111 | K Spencer LLC | Drumright, OK 74030-5825 | Oil & Gas Operator | Sep 2019 |
| 3112 | K-C Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jan 2013 |
| 3113 | K-Tel Petroleum | Englewood, CO 80111-4628 | Oil & Gas Operator | Sep 2007 |
| 3114 | K-Von Enterprises Inc | Tecumseh, OK 74873 | Oil & Gas Operator | Jan 1994 |
| 3115 | K3 Oil & Gas Operating Company | Spring, TX 77383 | Oil & Gas Operator | Apr 2026 |
| 3116 | Kadane Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 1998 |
| 3117 | Kahan & Associates Inc | Tulsa, OK 74170 | Oil & Gas Operator | May 2026 |
| 3118 | Kahan Louis | Tulsa, OK 74101 | Oil & Gas Operator | May 1994 |
| 3119 | Kahn George Operating Co | Seminole, OK 74818 | Oil & Gas Operator | Nov 2000 |
| 3120 | Kaiser Farms | Edmond, OK 73025-9489 | Oil & Gas Operator | Apr 2026 |
| 3121 | Kaiser Investments | Sand Springs, OK 74063 | Oil & Gas Operator | Sep 2003 |
| 3122 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Jul 2026 |
| 3123 | Kal Energy Inc | Oklahoma City, OK 73116-3606 | Oil Operator | Nov 2014 |
| 3124 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 3125 | Kalkman Oil Corporation | Duncan, OK 73533 | Oil & Gas Operator | Apr 2026 |
| 3126 | Kamco Hot Oil Service Inc | Cement, OK 73017 | Oil & Gas Operator | May 2026 |
| 3127 | Kana Resources, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Aug 2003 |
| 3128 | Kandletop Operating, LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Apr 2026 |
| 3129 | Kaneb Operating Company | Dallas, TX 75265-0283 | Oil & Gas Operator | Dec 1995 |
| 3130 | Kanokla Oil & Gas Corporation | Wellington, KS 67152-0444 | Oil & Gas Operator | Apr 2026 |
| 3131 | Kansas Gas Purchasing | Salina, KS 67401 | Oil & Gas Operator | May 1995 |
| 3132 | Kantor Oil Company LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2026 |
| 3133 | Karbuhn Oil Company | Tomball, TX 77375 | Oil & Gas Operator | Jul 2026 |
| 3134 | Kardaleff Steven T | Lawton, OK 73507-8471 | Oil Operator | Mar 2015 |
| 3135 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 3136 | Kate F H | Oklahoma City, OK 73122 | Oil & Gas Operator | Jun 2000 |
| 3137 | Kato Operating Company | Bristow, OK 74010 | Oil & Gas Operator | Mar 2015 |
| 3138 | Katsco Energy, Inc. | Round Rock, TX 78664 | Oil & Gas Operator | Jul 2026 |
| 3139 | Katy Drilling Corporation | Tulsa, OK 74146-3717 | Oil & Gas Operator | Apr 2020 |
| 3140 | Kay County Properties | Tulsa, OK 74145 | Oil & Gas Operator | May 1997 |
| 3141 | Kay Production Company | Seminole, OK 74868 | Oil & Gas Operator | Mar 2026 |
| 3142 | KB Black Gold LLC | Okmulgee, OK 74447 | Oil Operator | Apr 2026 |
| 3143 | KB Oil & Gas, LLC | Weatherford, OK 73096 | Oil & Gas Operator | Apr 2026 |
| 3144 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Apr 2026 |
| 3145 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
| 3146 | KCS Resources, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 3147 | Kechi Energy LLC | Chickasha, OK 73018 | Oil & Gas Operator | Apr 2026 |
| 3148 | Keck Petroleum LLC | Okmulgee, OK 74447-8516 | Oil & Gas Operator | Apr 2026 |
| 3149 | Keel Dwight E | Broken Arrow, OK 74014-7569 | Oil Operator | Apr 2020 |
| 3150 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | May 2026 |
| 3151 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 3152 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 3153 | Keith F Walker Oil & Gas Company LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | May 2026 |
| 3154 | Kelco Petroleum Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2013 |
| 3155 | Kelle Day Oil Producers Inc | Braman, OK 74632-9147 | Oil & Gas Operator | Dec 2023 |
| 3156 | Kelle Lambing Production Co | Braman, OK 74632-0132 | Oil & Gas Operator | Nov 2014 |
| 3157 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 |
| 3158 | Kelley James C Estate | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 3159 | Kelley Oil & Gas | McAlester, OK 74570 | Oil & Gas Operator | May 2013 |
| 3160 | Kelley, Joseph R | | Oil & Gas Operator | Apr 2026 |
| 3161 | Kellogg Oil Company | Henryetta, OK 74437 | Oil & Gas Operator | Oct 2024 |
| 3162 | Kelloil Inc | Fort Worth, TX 76116-5600 | Oil & Gas Operator | Mar 2015 |
| 3163 | Kelly Cook Oil LLC | Shawnee, OK 74804-3148 | Oil & Gas Operator | Apr 2026 |
| 3164 | Kelly Jr Walter A Opr Co | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2014 |
| 3165 | Kelly Oil | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 3166 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 3167 | Kelmar Oil Company | Chickasha, OK 73018 | Oil & Gas Operator | May 2026 |
| 3168 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 3169 | Kelton Oil & Gas Co | Wheeler, TX 79096 | Oil Operator | Jun 1991 |
| 3170 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Feb 2025 |
| 3171 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 3172 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Apr 2026 |
| 3173 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Mar 2025 |
| 3174 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 3175 | Kennedy, Howard E | | Oil & Gas Operator | May 1997 |
| 3176 | Kennedy, Tracy J | | Oil Operator | Apr 2026 |
| 3177 | Kenneth W Cory LTD | Bellaire, TX 77401 | Oil & Gas Operator | May 2026 |
| 3178 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 3179 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 |
| 3180 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 3181 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 3182 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Apr 2026 |
| 3183 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 3184 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 3185 | Kerns Larry Dba Kerns Oil | Dewey, OK 74029-2457 | Oil Operator | Nov 2017 |
| 3186 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 3187 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Feb 2026 |
| 3188 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 3189 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Jul 2026 |
| 3190 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 3191 | Key Energy Corporation | Enid, OK 73702-5349 | Oil & Gas Operator | Oct 2017 |
| 3192 | Key Energy Services Inc | Midland, TX 79705-5540 | Oil Operator | Jan 2008 |
| 3193 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 3194 | Key Operating Company Inc | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
| 3195 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 3196 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Apr 2026 |
| 3197 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 3198 | Kiamichi Resources Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | Feb 2016 |
| 3199 | Kibtec Oil & Gas Inc | Cashion, OK 73016 | Oil & Gas Operator | Aug 2024 |
| 3200 | Kickapoo Oil Co | Baton Rouge, LA 70815 | Gas Operator | Feb 1994 |