| 16001 | Kroh Operating LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Nov 2024 |
| 16002 | Kroll Energy LLC | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2023 |
| 16003 | Krot Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
| 16004 | Krotje, Dorothy C. | Franklinville, NY 14737 | Gas Operator | Dec 2023 |
| 16005 | Krotzer Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Sep 2024 |
| 16006 | KRS Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2020 |
| 16007 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 16008 | Kruckenberg & Scott | Isabel, KS 67065 | Oil Operator | Dec 2011 |
| 16009 | Krueger, A. H., Jr. | Hays, KS 67601 | Oil Operator | Jul 1993 |
| 16010 | Krug, Donald H | Russell, KS 67665 | Oil Operator | Jul 2024 |
| 16011 | Krumme Oil Company LLP | Bristow, OK 74010 | Oil & Gas Operator | Sep 2024 |
| 16012 | Krumme Wesley J | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 1997 |
| 16013 | Krummrich Engineering Corporation | | Oil & Gas Operator | Aug 2024 |
| 16014 | Ksabe Energy Partners, LLC | Oklahoma City, OK 73106 | Oil Operator | Nov 2024 |
| 16015 | KSC Oil | | Oil Operator | Jun 2024 |
| 16016 | KSM Energy Inc | Pittsburgh, PA 15238-3156 | Gas Operator | Dec 2023 |
| 16017 | KST Oil & Gas Co Inc | Tallmadge, OH 44278-1142-1142 | Oil & Gas Operator | Dec 1995 |
| 16018 | Kstone Energy, LLC | Oklahoma City, OK 73106 | Oil Operator | Nov 2024 |
| 16019 | KSW Operating LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Mar 2015 |
| 16020 | KT Energy Inc | Enid, OK 73702-2365 | Oil & Gas Operator | Aug 2024 |
| 16021 | KT Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Sep 2024 |
| 16022 | KT Operating Company LLC | Dallas, TX 75231 | Oil & Gas Operator | Feb 2010 |
| 16023 | KT Resources LLC | | Oil & Gas Operator | Sep 2024 |
| 16024 | KTC Oil Enterprises, LLC | Dallas, TX 75247 | Oil & Gas Operator | Nov 2024 |
| 16025 | KTM Operating LLC | | Oil & Gas Operator | Aug 2024 |
| 16026 | KTP Energy, Inc. | Denver, CO 80226 | Oil & Gas Operator | Aug 2019 |
| 16027 | Kudella, Ron & Cline, Russell | | Oil & Gas Operator | Feb 2021 |
| 16028 | Kuehne Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 16029 | Kuenzler & Flora Reserve Company | | Oil Operator | Aug 2024 |
| 16030 | Kughn | | Oil Operator | Sep 2019 |
| 16031 | Kugler* Dean & Joe Dba D-J Oil Company | | Oil & Gas Operator | Sep 2019 |
| 16032 | Kuhn Oil Co Inc | Timber Lake, SD 57656 | Oil Operator | Dec 2023 |
| 16033 | Kuhn Richard F | Baltimore, OH 43105 | Oil Operator | Dec 2022 |
| 16034 | Kuhn Walter Dril | | Gas Operator | Dec 1985 |
| 16035 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 16036 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 16037 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 16038 | Kundtz Properties Inc | Orange VIllage, OH 44122 | Gas Operator | Dec 2023 |
| 16039 | Kunkel, Richard A. DDS & Susan K. | Little Valley, NY 14755 | Gas Operator | Dec 2023 |
| 16040 | Kunu Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 16041 | Kuran Resources | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 16042 | Kuran Resources Inc | Wichita Falls, TX 76305-2212 | Oil Operator | Jul 2021 |
| 16043 | Kutter Oil Co. | Eureka, KS 67045 | Oil Operator | May 2002 |
| 16044 | Kutter Oil, Inc. | Eureka, KS 67045 | Oil Operator | Mar 2022 |
| 16045 | Kuykendall, IValene Estate | Electra, TX 76360 | Oil & Gas Operator | Dec 1998 |
| 16046 | Kuykendall, M. C. | Electra, TX 76360 | Oil & Gas Operator | Apr 1995 |
| 16047 | Kuykendall, M.C., Estate | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 16048 | KV Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2006 |
| 16049 | KVL Operating, LLC | Midland, TX 79708 | Oil & Gas Operator | Nov 2024 |
| 16050 | KWB Oil Property | | Oil Operator | Oct 1992 |
| 16051 | KWB Oil Property Management Inc | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
| 16052 | Kwilos, Stanley | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 16053 | KWR Ventures LLC | Harrisburg, IL 62946 | Oil Operator | Dec 2021 |
| 16054 | KWS Oil & Gas, LLC | El Campo, TX 77437 | Oil & Gas Operator | Nov 2024 |
| 16055 | Ky Crude LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2021 |
| 16056 | Ky Energy Group, LLC | | Oil & Gas Operator | Dec 2015 |
| 16057 | Ky Ohio Gas Co | | Oil Operator | Dec 2021 |
| 16058 | Ky Oil Co | Palco, KS 67657 | Oil & Gas Operator | Aug 2000 |
| 16059 | Ky-Tenn Expl Co, Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2020 |
| 16060 | Kybenco Disposals LLC | Maysville, OK 73052 | Oil Operator | Sep 2022 |
| 16061 | Kykon Oil & Gas, Inc. | Billings, MT 59103 | Oil & Gas Operator | Feb 2009 |
| 16062 | Kykuit Resources, LLC | Winifred, MT 59489 | Gas Operator | Mar 2021 |
| 16063 | Kyl-Kat Petroleum | | Oil & Gas Operator | Oct 1996 |
| 16064 | Kylander Oil Inc | | Oil & Gas Operator | Dec 2023 |
| 16065 | Kyle Energy Inc NV | Apollo, PA 15613-0249 | Gas Operator | Dec 1996 |
| 16066 | Kyler Oil Company | Pawhuska, OK 74056-0117 | Oil Operator | Nov 1998 |
| 16067 | Kynge Energy Investments LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2024 |
| 16068 | Kynosa Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 1998 |
| 16069 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
| 16070 | Kytx Oil & Gas, LLC | Gray, KY 40734 | Oil & Gas Operator | Dec 2021 |
| 16071 | KZ Global Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Nov 2024 |
| 16072 | L & A Oil Compan | | Oil Operator | Sep 1991 |
| 16073 | L & B Crude, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2019 |
| 16074 | L & B Enterprise, LLC | Camden, AR 71701 | Oil Operator | Apr 2024 |
| 16075 | L & B Oil | Longton, KS 67352 | Oil Operator | Dec 2019 |
| 16076 | L & B Oil & Gas, Inc | Harold, KY 41635 | Oil & Gas Operator | Dec 2022 |
| 16077 | L & B Oil And Gas Equipment, LLC | Palmhurst, TX 78573 | Oil & Gas Operator | Nov 2024 |
| 16078 | L & B Oil Company Inc | Houston, TX 77019-3115 | Oil & Gas Operator | Aug 2024 |
| 16079 | L & B Production | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2024 |
| 16080 | L & D Operation | Victoria, KS 67671 | Oil Operator | Jun 1988 |
| 16081 | L & D, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 16082 | L & F Drilling Co., Inc. (1) | Corpus Chrsti, TX 78479 | Oil & Gas Operator | Nov 2024 |
| 16083 | L & F Oil Company | Duncan, OK 73533-3636 | Oil Operator | Jun 2009 |
| 16084 | L & F Oil Operat | | Oil Operator | Sep 1987 |
| 16085 | L & G Energy | | Oil & Gas Operator | Mar 1994 |
| 16086 | L & G Oil Company | Longview, TX 75606 | Oil & Gas Operator | Aug 2000 |
| 16087 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 16088 | L & G Petroleum Operating, LLC | Havana, KS 67347 | Oil Operator | Jul 2024 |
| 16089 | L & H Energy Co Inc | Knox, PA 16232-4874 | Oil & Gas Operator | Dec 2020 |
| 16090 | L & H Energy Inc | Cherryvale, KS 67335 | Oil & Gas Operator | Sep 2019 |
| 16091 | L & H Oil Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1999 |
| 16092 | L & J Exploration, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Nov 2024 |
| 16093 | L & J Oil | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2000 |
| 16094 | L & J Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Apr 1999 |
| 16095 | L & J Oil Proper | | Oil Operator | Dec 1996 |
| 16096 | L & J Operating Inc | Gillette, WY 82718 | Oil & Gas Operator | Aug 2016 |
| 16097 | L & K Oil | | Oil Operator | Oct 1997 |
| 16098 | L & L Energy Company | Huntington, AR 72940 | Oil & Gas Operator | May 2024 |
| 16099 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 16100 | L & L Producers | Independnce, KS 67301 | Oil Operator | Sep 2024 |