| 16001 | Keystone Exploration, Inc | College Sta, TX 77845 | Oil & Gas Operator | Feb 2026 |
| 16002 | Keystone Fuel Oil Co | | Gas Operator | Nov 1997 |
| 16003 | Keystone Oil And Gas Company LLC | Collinsville, OK 74021 | Oil & Gas Operator | Oct 2025 |
| 16004 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 16005 | Keystone Operating Co. | Round Rock, TX 78681 | Oil & Gas Operator | Feb 2026 |
| 16006 | Keystone Petroleum GP LLC | Irving, TX 75039 | Oil & Gas Operator | May 2012 |
| 16007 | Keystone Petroleum NM LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 16008 | Keystone Production Company | Duncan, OK 73533-9117 | Oil & Gas Operator | May 2005 |
| 16009 | Keystone Productions, LLC | | Gas Operator | Dec 2024 |
| 16010 | Keystone Resources Inc | Cranberry Township, PA 16066-6446 | Gas Operator | Dec 1992 |
| 16011 | Keyway Oil & Gas Operating LLC | Kilgore, TX 75663 | Oil Operator | Oct 2020 |
| 16012 | KFG Petroleum Corporation | | Oil & Gas Operator | Oct 2025 |
| 16013 | KFS Investments, L.L.C. | | Oil & Gas Operator | Jul 2009 |
| 16014 | KG Oil Co | | Oil Operator | Aug 2025 |
| 16015 | Kga Oil Company, Inc. | High Island, TX 77623 | Oil & Gas Operator | Aug 2004 |
| 16016 | KGH Operating Company | Billings, MT 59115 | Oil & Gas Operator | Oct 2025 |
| 16017 | Kiamichi Oil & Gas | Whitehouse, TX 75791 | Oil Operator | Oct 1997 |
| 16018 | Kiamichi Resources Inc | Oklahoma City, OK 73143 | Oil & Gas Operator | Feb 2016 |
| 16019 | Kiawah Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2017 |
| 16020 | Kibbe, Anna S. | Falfurrias, TX 78355 | Oil & Gas Operator | Sep 1998 |
| 16021 | Kibtec Oil & Gas Inc | Cashion, OK 73016 | Oil & Gas Operator | Aug 2024 |
| 16022 | Kickapoo Oil Co | Baton Rouge, LA 70815 | Gas Operator | Feb 1994 |
| 16023 | Kidd Bill R | Bristow, OK 74010-9721 | Oil Operator | Jan 2013 |
| 16024 | Kidd Charlie Drilling | Utica, OH 43080 | Oil & Gas Operator | Dec 2002 |
| 16025 | Kidd Johnson Oil & Gas | San Angelo, TX 76904 | Oil & Gas Operator | Feb 2013 |
| 16026 | Kidd Johnson Oil & Gas, LLC | San Angelo, TX 76904 | Oil & Gas Operator | Feb 2026 |
| 16027 | Kidd Oil & Gas, LC | Dallas, TX 75219 | Oil & Gas Operator | Apr 1999 |
| 16028 | Kidd Production Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 16029 | Kidd William E Production | Gambier, OH 43022 | Oil & Gas Operator | Dec 1993 |
| 16030 | Kidder Exploration Inc | Jamestown, NY 14701-5613 | Gas Operator | Dec 1991 |
| 16031 | Kidder, Bruce | Jamestown, NY 14701 | Gas Operator | Dec 2024 |
| 16032 | Kids Future, L.L.C. | Bivins, TX 75555 | Oil Operator | Feb 2026 |
| 16033 | Kiefer Oil And Gas Co Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2011 |
| 16034 | Kienzle John A | Shawnee, OK 74802-1265 | Oil & Gas Operator | Aug 2013 |
| 16035 | Kiesling Oil Company | Osage, WY 82723 | Oil & Gas Operator | Oct 2007 |
| 16036 | Kiester Operating Company | Oklahoma City, OK 73106 | Oil & Gas Operator | Sep 2025 |
| 16037 | Kilbarger Investments Inc | Logan, OH 43138 | Oil & Gas Operator | Dec 2024 |
| 16038 | Kilby, M. T. | Yates Center, KS 66783 | Oil Operator | Sep 1986 |
| 16039 | Kilco, Inc. | | Gas Operator | Sep 1996 |
| 16040 | Kile Production | Cypress, TX 77410 | Oil & Gas Operator | Aug 2014 |
| 16041 | Killam Oil Co., LTD. | Laredo, TX 78042 | Oil & Gas Operator | Feb 2026 |
| 16042 | Killam Oil Company | Laredo, TX 78042 | Oil & Gas Operator | Mar 1994 |
| 16043 | Killbuck Creek Oil Co LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 16044 | Killbuck Oilfield Service | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2022 |
| 16045 | Killer Rabbit Fields LLC | Monahans, TX 79756 | Oil & Gas Operator | Feb 2026 |
| 16046 | Killian, Jeffrey M | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 16047 | Killingsworth Oil Co. | Longview, TX 75606 | Oil & Gas Operator | Feb 2026 |
| 16048 | Killingsworth, Lee Operator | Longview, TX 75601 | Oil & Gas Operator | Jan 1999 |
| 16049 | Killion Well Service Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2014 |
| 16050 | Kilmarnock Oil Company, Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Feb 2026 |
| 16051 | Kilpatrick Production Company | Tye, TX 79563 | Oil & Gas Operator | Feb 2026 |
| 16052 | Kilroy Co. Of Texas, Inc. | | Oil & Gas Operator | Jun 1991 |
| 16053 | Kilroy Co.- E.L. Cox | | Oil & Gas Operator | Aug 1990 |
| 16054 | Kim Ray Oil & Gas | Ada, OK 74820 | Oil & Gas Operator | Sep 2025 |
| 16055 | Kimball Production Co. | Houston, TX 77042 | Oil & Gas Operator | Jul 2002 |
| 16056 | Kimbark Oil & Ga | | Oil & Gas Operator | Aug 1992 |
| 16057 | Kimbark Oil & Gas Company | Denver, CO 80203 | Oil & Gas Operator | May 2007 |
| 16058 | Kimbell Oil Company Of Texas | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2025 |
| 16059 | Kimbell Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 16060 | Kimberlin & Huitt | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 1998 |
| 16061 | Kimberlin & Miller | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 16062 | Kimberlin Energy Group | Dallas, TX 75235 | Oil & Gas Operator | Feb 2026 |
| 16063 | Kimble Oil Company, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2006 |
| 16064 | Kimbrel Oil Corporation | Tulsa, OK 74114 | Oil & Gas Operator | Feb 2026 |
| 16065 | Kimbrough Engineering Co, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2014 |
| 16066 | Kimbrough Oil Company | Iraan, TX 79744 | Oil Operator | Feb 2026 |
| 16067 | Kimbrough, D. E. | Iraan, TX 79744 | Oil & Gas Operator | Feb 2026 |
| 16068 | Kimco Energy Corporation | | Oil & Gas Operator | Apr 1989 |
| 16069 | Kimco Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 16070 | Kimco Oil And Gas | Wewoka, OK 74884-0613 | Oil & Gas Operator | Jul 2016 |
| 16071 | Kime Brothers | Avon, NY 14414 | Gas Operator | Dec 2024 |
| 16072 | Kimlar Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Feb 2026 |
| 16073 | Kimleco Petroleum, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 16074 | Kimmel Glenn | Shelocta, PA 15774-2233 | Gas Operator | Dec 2024 |
| 16075 | Kimmeridge Texas Gas, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 16076 | Kimraco Oil Inc | Pawnee, OK 74058-2869 | Oil & Gas Operator | Apr 2016 |
| 16077 | Kimsey, Roy E., Jr. | Midland, TX 79701 | Oil & Gas Operator | May 2018 |
| 16078 | Kimzey Drilling | | Oil Operator | Nov 2009 |
| 16079 | Kincaid Etal, Inc. | Holliday, TX 76366 | Oil Operator | Feb 2026 |
| 16080 | Kincaid, Joey | Holliday, TX 76366 | Oil & Gas Operator | Mar 2005 |
| 16081 | Kincaid/Hadden | Uvalde, TX 78802 | Oil & Gas Operator | Feb 1997 |
| 16082 | Kindee Oil & Gas Louisiana, LLC | | Oil & Gas Operator | Aug 2012 |
| 16083 | Kindee Oil & Gas Texas, LLC | Houston, TX 77084 | Oil & Gas Operator | Apr 2016 |
| 16084 | Kinder & Petty | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 16085 | Kinder Gas Inc | | Oil Operator | Dec 2011 |
| 16086 | Kinder Morgan Co2 Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 16087 | Kinder Morgan Inc | Lakewood, CO 80228 | Oil & Gas Operator | Dec 2011 |
| 16088 | Kinder Morgan Production Co LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 16089 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 16090 | Kinder Morgan Sacroc LP | Snyder, TX 79549 | Oil & Gas Operator | Dec 2003 |
| 16091 | Kinder Morgan Tejas Pipeline LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 16092 | Kinder Morgan Treating LP | | Oil Operator | Jun 2019 |
| 16093 | Kinder Oil Properties | Carney, OK 74832-9711 | Gas Operator | Nov 1999 |
| 16094 | Kinderhook Dawson Prod | | Oil Operator | Dec 2013 |
| 16095 | Kinderhook Oil & | | Oil Operator | Dec 1993 |
| 16096 | Kindervag Robert | | Oil Operator | Jun 1991 |
| 16097 | Kindred Petroleum Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 16098 | Kinetic Energy Co., Inc. | | Oil & Gas Operator | Jan 1992 |
| 16099 | Kinetica Partners, LLC | | Oil Operator | Dec 2024 |
| 16100 | King & Kelly | Tulsa, OK 74103 | Oil Operator | Aug 1993 |