| 5901 | Jud,L.C. | Corpus Chrsti, TX 78473 | Gas Operator | Jul 2003 |
| 5902 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 5903 | Julil Energy, LLC | Richmond, TX 77406 | Oil & Gas Operator | Dec 2024 |
| 5904 | Juna Operating Co. | Corsicana, TX 75151 | Oil & Gas Operator | Dec 1996 |
| 5905 | Juna Operating, Inc. | Corsicana, TX 75151 | Oil & Gas Operator | Nov 2008 |
| 5906 | Juneau Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 5907 | Juno Operating Company II LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2018 |
| 5908 | Juno Operating Company III, LLC | Plano, TX 75093 | Oil & Gas Operator | Feb 2026 |
| 5909 | Juno Operating Company, LLC | Plano, TX 75093 | Oil & Gas Operator | Jul 2011 |
| 5910 | Jupiter Energy LLC | Richmond, TX 77469 | Oil Operator | Feb 2026 |
| 5911 | Jura Energy Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 5912 | Jurassic Energy Corporation | Crosby, TX 77532 | Oil & Gas Operator | Feb 2026 |
| 5913 | Jurassic Exploration, Inc. | Longview, TX 75601 | Oil & Gas Operator | Feb 2026 |
| 5914 | Jurassic Operating Company | Houston, TX 77099 | Oil & Gas Operator | Feb 2026 |
| 5915 | Just Oil | Midland, TX 79707 | Oil & Gas Operator | Feb 2026 |
| 5916 | Just Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 5917 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Nov 2025 |
| 5918 | JW Energy Co., LTD | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 5919 | JWC Oil Operator, LLC | MC Queeney, TX 78123 | Oil Operator | May 2018 |
| 5920 | Jwimco, L.L.C. | Dallas, TX 75229 | Oil & Gas Operator | Nov 2025 |
| 5921 | K & D Enterprises, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
| 5922 | K & D Operating Co. A | Gruver, TX 79040 | Oil & Gas Operator | Feb 2019 |
| 5923 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 5924 | K & E Oil & Gas Co. | Bayfield, CO 81122 | Oil & Gas Operator | Oct 2008 |
| 5925 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 5926 | K & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2021 |
| 5927 | K & K Oil Co. | Corsicana, TX 75109 | Oil & Gas Operator | Feb 2026 |
| 5928 | K & K Operating Co. | Rule, TX 79547 | Oil Operator | Dec 2005 |
| 5929 | K & L Oil, LLC | Gonzales, TX 78629 | Oil Operator | Feb 2026 |
| 5930 | K & M Exploration, 1973-3 LTD. | Abilene, TX 79608 | Oil & Gas Operator | Nov 1997 |
| 5931 | K & S Oil & Gas Company, LLC | Kerrville, TX 78028 | Oil & Gas Operator | Feb 2026 |
| 5932 | K & W Vanpelt Company | Portage, OH 43451 | Oil & Gas Operator | Feb 2026 |
| 5933 | K A Ware Production Co., LLC | Pratt, KS 67124 | Oil Operator | Feb 2026 |
| 5934 | K And R Oil Company | Stanton, TX 79782 | Oil & Gas Operator | Aug 2003 |
| 5935 | K And R Operating | Kingsbury, TX 78638 | Oil & Gas Operator | Feb 2026 |
| 5936 | K Cubed Resources, L.L.C. | Burleson, TX 76028 | Oil & Gas Operator | Feb 2026 |
| 5937 | K Energy Inc | Mannford, OK 74044-3023 | Oil & Gas Operator | May 2013 |
| 5938 | K M X Corporation Inc. | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 5939 | K Me Company, LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 5940 | K Oil Company | Houston, TX 77005 | Oil & Gas Operator | Feb 2026 |
| 5941 | K R Well Technology, LLC | Dimmitt, TX 79027 | Oil Operator | Feb 2026 |
| 5942 | K&C Pump Truck, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2018 |
| 5943 | K&M Resources LLC | Artesia, NM 88211 | Oil & Gas Operator | Dec 2025 |
| 5944 | K-B Exploration Co. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 5945 | K-B Oil Company | Dallas, TX 75243 | Oil & Gas Operator | Dec 2020 |
| 5946 | K-B Oil Company, LLC | Dallas, TX 75243 | Oil & Gas Operator | Feb 2026 |
| 5947 | K-Bar Oil LLC | McPherson, KS 67460 | Oil Operator | Sep 2025 |
| 5948 | K-C Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jan 2013 |
| 5949 | K-D Operations | N Richlnd HLS, TX 76182 | Oil Operator | Feb 2026 |
| 5950 | K-M Oil Company, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Feb 2026 |
| 5951 | K. D. Operating LLC. | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 5952 | K. F. Operating Company | Burkburnett, TX 76354 | Oil & Gas Operator | Mar 2008 |
| 5953 | K. O. C. Corporation | Sherman, TX 75091 | Oil & Gas Operator | Feb 2026 |
| 5954 | K. Stewart Petroleum Corporation | Oklahoma City, OK 73103 | Oil & Gas Operator | Jun 2001 |
| 5955 | K.A. Barnes Oil & Gas Oper, LLC | Somerset, TX 78069 | Oil Operator | Feb 2026 |
| 5956 | K.M.A. Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 5957 | K.W.A., Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 5958 | K2 Petroleum, Inc. | San Antonio, TX 78239 | Oil & Gas Operator | Feb 2026 |
| 5959 | K3 Productions LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2026 |
| 5960 | Ka Energy Op Co. LLC | Oakland, CA 94605 | Oil & Gas Operator | Oct 2021 |
| 5961 | Kabco Oil & Gas Company | Longview, TX 75604 | Oil & Gas Operator | Jun 2018 |
| 5962 | Kachina Oil & Gas Inc. | Austin, TX 78766 | Oil & Gas Operator | Jul 2002 |
| 5963 | Kadane Corporation | Dallas, TX 75205 | Oil & Gas Operator | Feb 2026 |
| 5964 | Kadane Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 1998 |
| 5965 | Kahlenberg Oil And Gas LLC | Conroe, TX 77304 | Oil Operator | Feb 2026 |
| 5966 | Kain Petroleum Company | Pearsall, TX 78061 | Gas Operator | May 2011 |
| 5967 | Kain Petroleum, LLC | Pearsall, TX 78061 | Oil & Gas Operator | Feb 2026 |
| 5968 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Feb 2026 |
| 5969 | Kala Oil Company | Sundown, TX 79372 | Oil & Gas Operator | Feb 2026 |
| 5970 | Kalda Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1994 |
| 5971 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 5972 | Kaler Oil Company | Gainesville, TX 76240 | Oil & Gas Operator | Dec 2024 |
| 5973 | Kallina, Carlton J. | Houston, TX 77269 | Gas Operator | Feb 2026 |
| 5974 | Kalos Corporation | Tyler, TX 75701 | Oil & Gas Operator | Feb 2026 |
| 5975 | Kamlok Oil & Gas, Inc. | Houston, TX 77240 | Oil & Gas Operator | Jun 1996 |
| 5976 | Kampresco Energy, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 5977 | Kana Resources, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Aug 2003 |
| 5978 | Kansas Oil & Gas Corporation | Woodland HLS, CA 91367 | Oil & Gas Operator | Feb 2001 |
| 5979 | Kar Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 5980 | Karbuhn Oil Company | Tomball, TX 77375 | Oil & Gas Operator | Feb 2026 |
| 5981 | Karenco Energy, Incorporated | Seguin, TX 78155 | Oil & Gas Operator | Oct 1997 |
| 5982 | Karico GP, LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 5983 | Karis Resources, LLC | Tyler, TX 75707 | Oil & Gas Operator | Feb 2019 |
| 5984 | Karper Company, The | Graham, TX 76450 | Oil & Gas Operator | Feb 2003 |
| 5985 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 5986 | Karst Incorporated | Fort Worth, TX 76116 | Oil Operator | Feb 2026 |
| 5987 | Kas Productions | La Veta, CO 81055 | Oil Operator | Mar 2008 |
| 5988 | Kasan Corp. | Pharr, TX 78577 | Oil & Gas Operator | Sep 1995 |
| 5989 | Kasle Energy Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Mar 2017 |
| 5990 | Kastman Oil Company | Lubbock, TX 79408 | Oil & Gas Operator | Nov 2012 |
| 5991 | Kastman Oil Company, LLC | Lubbock, TX 79408 | Oil Operator | Feb 2026 |
| 5992 | Kat Energy Corporation | Amarillo, TX 79105 | Gas Operator | Sep 2001 |
| 5993 | Kat Energy, LTD. | Amarillo, TX 79120 | Gas Operator | Jun 2020 |
| 5994 | Katana Energy, LLC | Houston, TX 77084 | Oil & Gas Operator | Jun 2023 |
| 5995 | Kathler Oil Interests | Frisco, TX 75034 | Oil & Gas Operator | Feb 2026 |
| 5996 | Kato Operating Company | Bristow, OK 74010 | Oil & Gas Operator | Mar 2015 |
| 5997 | Katsco Energy, Inc. | Round Rock, TX 78664 | Oil & Gas Operator | Feb 2026 |
| 5998 | Katy Resources Etx, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2011 |
| 5999 | Katy Resources LLC | Arlington, TX 76016 | Oil & Gas Operator | Feb 2026 |
| 6000 | Katz Oil Co. | San Antonio, TX 78218 | Oil & Gas Operator | Dec 2002 |