| 2001 | J Carter Oil | | Oil Operator | Dec 2023 |
| 2002 | J D Dreiling Oil, Inc. | Claflin, KS 67525 | Oil Operator | Jan 2024 |
| 2003 | J D Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2005 |
| 2004 | J E B Oil Resear | | Oil & Gas Operator | Nov 1993 |
| 2005 | J M K Incorporat | | Oil & Gas Operator | Dec 1996 |
| 2006 | J W Oil Co. | Cisco, TX 76437 | Oil & Gas Operator | May 2024 |
| 2007 | J&H Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | May 2024 |
| 2008 | J&S Jackson Oil | | Oil Operator | Dec 2023 |
| 2009 | J-F Oil Company LLC | Hays, KS 67601 | Oil & Gas Operator | Dec 2002 |
| 2010 | J-V Oil, LLC | Chanute, KS 66720 | Oil & Gas Operator | Jan 2024 |
| 2011 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | May 2024 |
| 2012 | J. C. Oil Company | Odessa, TX 79766 | Oil & Gas Operator | Mar 2015 |
| 2013 | J. D. & M., Inc. | Cherryvale, KS 67335 | Oil Operator | Nov 2023 |
| 2014 | J. Herrick Pro | | Oil Operator | Dec 2023 |
| 2015 | J. K. Brown, Inc. | Littleton, CO 80161 | Gas Operator | Dec 2019 |
| 2016 | J. W. Oil | | Oil Operator | Jan 2024 |
| 2017 | J.D. Drilling Co. | Basehor, KS 66007 | Oil & Gas Operator | Dec 2022 |
| 2018 | J.H. R., Inc. | Bridgeville, PA 15017 | Oil Operator | Jan 2013 |
| 2019 | J.H.R. Corporation | Bridgeville, PA 15017 | Oil & Gas Operator | Jul 2001 |
| 2020 | J.P. Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 2021 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 2022 | J.R. Oil Productions | | Oil Operator | Jul 2019 |
| 2023 | Jack Exploration, Inc. | Sulphur, OK 73086 | Oil & Gas Operator | Oct 2017 |
| 2024 | Jack W Sanders & Son, General Partnership | Wellsville, KS 66092 | Oil Operator | Apr 2023 |
| 2025 | Jackknife Oil | Longton, KS 67352 | Oil Operator | Apr 1989 |
| 2026 | Jackman & Jackma | | Oil Operator | Jan 1986 |
| 2027 | Jackson Brothers | | Oil Operator | Dec 1996 |
| 2028 | Jackson Brothers, L.L.C. | Eureka, KS 67045 | Oil Operator | Dec 2023 |
| 2029 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 2030 | Jackson John J | | Oil Operator | Nov 1993 |
| 2031 | Jackson, Brian & Janet | Elsmore, KS 66732 | Oil Operator | May 2022 |
| 2032 | Jackson, Joshua And Reacreisha | Mapleton, KS 66754 | Oil Operator | Dec 2023 |
| 2033 | Jackson, Levi | Mound City, KS 66056 | Oil Operator | Jan 2024 |
| 2034 | Jacobs Fred T | | Oil Operator | Apr 1991 |
| 2035 | Jacobs, Gary D. | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2016 |
| 2036 | Jacobsen Michael | | Oil Operator | Dec 1996 |
| 2037 | Jad Petroleum Corporation | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 1998 |
| 2038 | Jade Petroleum C | | Oil & Gas Operator | Mar 1985 |
| 2039 | Jade Resources I | | Gas Operator | Jan 1989 |
| 2040 | Jade Resources Inc | Englewood, CO 80112 | Oil Operator | Jul 1998 |
| 2041 | Jaed Production Co., | Arkansas City, KS 67005 | Oil & Gas Operator | Oct 2020 |
| 2042 | Jag Petroleum LLC | Houston, TX 77058 | Oil Operator | Nov 2009 |
| 2043 | Jaguar Petroleum | | Oil Operator | Jul 1994 |
| 2044 | Jake'S Oil Co. | | Oil Operator | Oct 2019 |
| 2045 | Jako Productions | | Oil Operator | Jul 2014 |
| 2046 | James B. Read Operating, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2022 |
| 2047 | James P. Williams Enterprises, Inc. | Palco, KS 67657 | Oil Operator | Jan 2024 |
| 2048 | James Production, Inc. | Yates Center, KS 66783 | Oil Operator | Jan 2024 |
| 2049 | James W. Collins Oil Operations | | Oil Operator | Dec 2009 |
| 2050 | Jandie Oil Compa | | Oil Operator | Jul 1990 |
| 2051 | Jantz & Associat | | Oil & Gas Operator | Feb 1991 |
| 2052 | Jas Oil Company | Winfield, KS 67156 | Oil & Gas Operator | Dec 1995 |
| 2053 | Jason Oil Compan | | Oil Operator | Sep 1992 |
| 2054 | Jason Oil Company | | Oil Operator | Dec 2014 |
| 2055 | Jason Oil Company, LLC | Russell, KS 67665 | Oil Operator | Jan 2024 |
| 2056 | Jaspar Co. | Hays, KS 67601 | Oil Operator | Jan 2024 |
| 2057 | Jaxco Energy, A General Partnership | Garnett, KS 66032 | Oil Operator | Dec 2023 |
| 2058 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 2059 | Jay C. Boyer Oil | | Oil Operator | Nov 2009 |
| 2060 | Jay M. Schendel, A General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2019 |
| 2061 | Jayhawk Energy Inc. | Spokane, WA 99202 | Oil & Gas Operator | May 2016 |
| 2062 | Jayhawk Exploration LLC | Frederickburg, TX 78624 | Oil Operator | Jul 2009 |
| 2063 | Jayson David Company | Seward, KS 67576 | Oil Operator | Apr 2009 |
| 2064 | JBG Oil & Gas Company LLC | Ashland, KS 67831 | Oil & Gas Operator | Jan 2024 |
| 2065 | JBM Oil, LLC | Ottawa, KS 66067 | Oil Operator | Dec 2019 |
| 2066 | JCS Operating LLC | Guymon, OK 73942 | Oil & Gas Operator | Jan 2024 |
| 2067 | JD Production Co | Waco, TX 76702 | Oil & Gas Operator | Dec 2009 |
| 2068 | Jedona Energy, LLC | | Oil Operator | Apr 2004 |
| 2069 | Jeff'S Oilwell Supervision | | Oil Operator | Jan 2024 |
| 2070 | Jeffery Energy Corporation | Meade, KS 67864 | Gas Operator | Dec 2019 |
| 2071 | Jeffries, Peter | Leawood, KS 66224 | Oil Operator | Aug 2021 |
| 2072 | Jel Resources, LLC | Castle Rock, CO 80109 | Oil Operator | Jan 2024 |
| 2073 | Jenkins & Broyle | | Oil & Gas Operator | Sep 1991 |
| 2074 | Jenkins & Broyles Production Company | | Oil Operator | Dec 2006 |
| 2075 | Jenkins & Sons Production, Inc. | Arkansas City, KS 67005 | Oil Operator | Jul 2014 |
| 2076 | Jenkins, Don(Deceased)Estate | Arkansas City, KS 67005 | Oil & Gas Operator | Dec 2009 |
| 2077 | Jenkins, Donnie G. Jr. | Arkansas City, KS 67005 | Oil Operator | Dec 2019 |
| 2078 | Jernigan Steve I | | Oil Operator | Mar 1993 |
| 2079 | Jerry Patterson Oil | | Oil Operator | May 2004 |
| 2080 | Jet Drilling Cor | | Oil Operator | Oct 1995 |
| 2081 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 2082 | Jetgo Oil Compan | | Oil & Gas Operator | Jan 1995 |
| 2083 | Jew-Del Oil & Ga | | Gas Operator | Dec 1994 |
| 2084 | Jezek, Ernest D. | Holyrood, KS 67450 | Oil Operator | Dec 2019 |
| 2085 | JFW Incorporated | Plevna, KS 67568 | Oil & Gas Operator | Oct 2006 |
| 2086 | JGK Oil, Inc. | Chanute, KS 66720 | Oil Operator | Aug 1998 |
| 2087 | JHL Energy, Inc. | Wichita, KS 67209 | Oil & Gas Operator | Apr 2016 |
| 2088 | JHS Energy, Inc | Denver, CO 80222 | Oil & Gas Operator | Jan 2024 |
| 2089 | Jim Snyder, Inc. | Hamilton, KS 66853 | Oil Operator | Dec 2023 |
| 2090 | Jim'S Operating Service | Dewey, OK 74029 | Oil Operator | Dec 1996 |
| 2091 | Jimenez Well Service, LLC | Kingman, KS 67068 | Oil Operator | Jan 2016 |
| 2092 | JJ Leasing | Bartlesville, OK 74006 | Oil Operator | Feb 1989 |
| 2093 | JJP Energy, LLC | Fredonia, KS 66736 | Oil Operator | Dec 2009 |
| 2094 | Jma Energy Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
| 2095 | Jma Resources In | | Oil & Gas Operator | Sep 1995 |
| 2096 | Jma Resources, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 2024 |
| 2097 | JMDR Holdings LLC | Destin, FL 32541 | Oil Operator | Oct 2023 |
| 2098 | JML Company | | Oil Operator | May 2006 |
| 2099 | Jo-Allyn Oil Co Inc | Laverne, OK 73848 | Oil & Gas Operator | Feb 2024 |
| 2100 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |