| 3101 | Keel Dwight E | Broken Arrow, OK 74014-7569 | Oil Operator | Apr 2020 |
| 3102 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | Feb 2026 |
| 3103 | Keener Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2018 |
| 3104 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 3105 | Keith F Walker Oil & Gas Company LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2026 |
| 3106 | Kelle Day Oil Producers Inc | Braman, OK 74632-9147 | Oil & Gas Operator | Dec 2023 |
| 3107 | Kelle Lambing Production Co | Braman, OK 74632-0132 | Oil & Gas Operator | Nov 2014 |
| 3108 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 |
| 3109 | Kelley James C Estate | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 3110 | Kelley Oil & Gas | McAlester, OK 74570 | Oil & Gas Operator | May 2013 |
| 3111 | Kelley, Joseph R | | Oil & Gas Operator | Feb 2026 |
| 3112 | Kellogg Oil Company | Henryetta, OK 74437 | Oil & Gas Operator | Oct 2024 |
| 3113 | Kelloil Inc | Fort Worth, TX 76116-5600 | Oil & Gas Operator | Mar 2015 |
| 3114 | Kelly Cook Oil LLC | Shawnee, OK 74804-3148 | Oil & Gas Operator | Feb 2026 |
| 3115 | Kelly Jr Walter A Opr Co | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2014 |
| 3116 | Kelly Oil | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 3117 | Kelmac Production Company | Braman, OK 74632-0132 | Oil Operator | Apr 2003 |
| 3118 | Kelmar Oil Company | Chickasha, OK 73018 | Oil & Gas Operator | Dec 2025 |
| 3119 | Kelt Oil & Gas | Houston, TX 77060 | Oil & Gas Operator | Dec 1998 |
| 3120 | Kelton Oil & Gas Co | Wheeler, TX 79096 | Oil Operator | Jun 1991 |
| 3121 | Kemmerer Company Inc | Tulsa, OK 74136-7027 | Oil & Gas Operator | Feb 2025 |
| 3122 | Kemp Roy L | | Oil Operator | Jan 2011 |
| 3123 | Ken Snyder Inc | Newalla, OK 74857-7107 | Oil & Gas Operator | Jan 2026 |
| 3124 | Kendol Exploration Inc | Oklahoma City, OK 73105-2513 | Oil & Gas Operator | Mar 2025 |
| 3125 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 3126 | Kennedy, Howard E | | Oil & Gas Operator | May 1997 |
| 3127 | Kennedy, Tracy J | | Oil Operator | Jan 2026 |
| 3128 | Kenneth W Cory LTD | Bellaire, TX 77401 | Oil & Gas Operator | Jan 2026 |
| 3129 | Keno Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jan 1995 |
| 3130 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 |
| 3131 | Kentry Oil Company | Kingston, OK 73439 | Oil Operator | Aug 2002 |
| 3132 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 3133 | Kepasa Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2025 |
| 3134 | Kepco Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2026 |
| 3135 | Kepco. Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 3136 | Kerns Larry Dba Kerns Oil | Dewey, OK 74029-2457 | Oil Operator | Nov 2017 |
| 3137 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 3138 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Feb 2026 |
| 3139 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
| 3140 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | May 2026 |
| 3141 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 3142 | Key Energy Corporation | Enid, OK 73702-5349 | Oil & Gas Operator | Oct 2017 |
| 3143 | Key Energy Services Inc | Midland, TX 79705-5540 | Oil Operator | Jan 2008 |
| 3144 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 3145 | Key Operating Company Inc | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
| 3146 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Feb 2026 |
| 3147 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Feb 2026 |
| 3148 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 3149 | Kiamichi Resources Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | Feb 2016 |
| 3150 | Kibtec Oil & Gas Inc | Cashion, OK 73016 | Oil & Gas Operator | Aug 2024 |
| 3151 | Kickapoo Oil Co | Baton Rouge, LA 70815 | Gas Operator | Feb 1994 |
| 3152 | Kidd Bill R | Bristow, OK 74010-9721 | Oil Operator | Jan 2013 |
| 3153 | Kidd Oil & Gas, LC | Dallas, TX 75219 | Oil & Gas Operator | Apr 1999 |
| 3154 | Kiefer Oil And Gas Co Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2011 |
| 3155 | Kienzle John A | Shawnee, OK 74802-1265 | Oil & Gas Operator | Aug 2013 |
| 3156 | Kiester Operating Company | Oklahoma City, OK 73106 | Oil & Gas Operator | Jan 2026 |
| 3157 | Kile Production | Cypress, TX 77410 | Oil & Gas Operator | Aug 2014 |
| 3158 | Kim Ray Oil & Gas | Ada, OK 74820 | Oil & Gas Operator | Dec 2025 |
| 3159 | Kimball Production Co. | Houston, TX 77042 | Oil & Gas Operator | Jul 2002 |
| 3160 | Kimbark Oil & Gas Company | Denver, CO 80203 | Oil & Gas Operator | May 2007 |
| 3161 | Kimco Oil And Gas | Wewoka, OK 74884-0613 | Oil & Gas Operator | Jul 2016 |
| 3162 | Kimraco Oil Inc | Pawnee, OK 74058-2869 | Oil & Gas Operator | Apr 2016 |
| 3163 | King & Kelly | Tulsa, OK 74103 | Oil Operator | Aug 1993 |
| 3164 | King Energy LLC | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Feb 2026 |
| 3165 | King Jerry L | Wann, OK 74083-9727 | Oil & Gas Operator | Oct 2019 |
| 3166 | King Operating Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | May 2026 |
| 3167 | Kingdom Resources Inc | Frisco, TX 75033-3673 | Oil & Gas Operator | Jun 2023 |
| 3168 | Kingery Drilling Co., Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Feb 2026 |
| 3169 | Kingfisher CSG Pullr & Const Inc | Hennessey, OK 73742-0024 | Oil & Gas Operator | Apr 2014 |
| 3170 | Kingfisher Resources Inc | Clinton, OK 73601 | Oil & Gas Operator | Feb 2026 |
| 3171 | Kingman Petroleum Inc | Dolores, CO 81323-9503 | Oil & Gas Operator | Oct 2025 |
| 3172 | Kirby Exploration Company | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 |
| 3173 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jan 2026 |
| 3174 | Kirk David | Midland, TX 79705 | Oil & Gas Operator | Jan 2026 |
| 3175 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 3176 | Kirkpatrick Oil Company | Nichols Hill, OK 73116 | Oil & Gas Operator | May 2026 |
| 3177 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 3178 | Kirrie Oil Company LLC | Oklahoma City, OK 73113-0125 | Oil & Gas Operator | Jun 2025 |
| 3179 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 3180 | KJB Oil Company LLC | Dewey, OK 74029-3053 | Oil Operator | Feb 2026 |
| 3181 | KJR Services LLC | Edmond, OK 73083 | Oil & Gas Operator | Dec 2025 |
| 3182 | Klabzuba Brothers LLC | Prague, OK 74864-0567 | Oil & Gas Operator | Jul 2007 |
| 3183 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 3184 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 3185 | Klabzuba Royalty Company | Prague, OK 74864-0567 | Oil & Gas Operator | Dec 2019 |
| 3186 | KLBW Partners, L.L.C. | Ratliff City, OK 73481 | Oil & Gas Operator | Dec 2025 |
| 3187 | Kleen Oilfield Services Co | Velma, OK 73491-0178 | Oil & Gas Operator | Jan 2026 |
| 3188 | Klinger Energy Inc | Ponca City, OK 74601-7812 | Oil & Gas Operator | Feb 2026 |
| 3189 | Klinger Shirley | Ponca City, OK 74601-7812 | Oil & Gas Operator | Feb 2026 |
| 3190 | KLM Oil & Gas Company | Tonganoxie, KS 66086 | Oil & Gas Operator | Apr 2014 |
| 3191 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Feb 2026 |
| 3192 | Kloberdanz Paul E | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 3193 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | May 2026 |
| 3194 | KMV Consulting Inc | Winston Salem, NC 27101-2561 | Gas Operator | Dec 2012 |
| 3195 | KN Production Company | Lakewood, CO 80228 | Oil & Gas Operator | Jun 2003 |
| 3196 | KNG Producers | Dumas, TX 79029 | Oil & Gas Operator | Oct 2009 |
| 3197 | Knife Oil Company Inc | Cushing, OK 74023-1347 | Oil & Gas Operator | Aug 2000 |
| 3198 | Knight Energy Inc | Tulsa, OK 74104 | Oil Operator | Jan 2026 |
| 3199 | Knutson Production Company | Loco, OK 73442-9706 | Oil & Gas Operator | Jan 2026 |
| 3200 | Koby Oil Company LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |