| 6801 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Jul 2025 |
| 6802 | Crawford Oil & W | | Oil Operator | Dec 1985 |
| 6803 | Crawford Oil Com | | Oil Operator | Dec 1987 |
| 6804 | Crawford Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2001 |
| 6805 | Crawford Oil LLC | Paola, KS 66071 | Oil Operator | Dec 2019 |
| 6806 | Crawford Production Company Inc | Junction City, AR 71749 | Oil & Gas Operator | Mar 2025 |
| 6807 | Crawford, Linda | Alice, TX 78332 | Oil Operator | Jul 2025 |
| 6808 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
| 6809 | Crazy Horse Oil | | Oil Operator | Jan 2025 |
| 6810 | Crazy Horse Operating LLC | Austin, TX 78731 | Oil & Gas Operator | Jul 2025 |
| 6811 | Crazy J Oil LLC | | Oil & Gas Operator | May 2025 |
| 6812 | CRB Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2025 |
| 6813 | CRD Investments LLC | Duncan, OK 73533-4226 | Oil Operator | Apr 2025 |
| 6814 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
| 6815 | Creamer, Donald R., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 6816 | Creative Oil & Gas Operating,LLC | Giddings, TX 78942 | Oil & Gas Operator | May 2024 |
| 6817 | Creative Oil And Gas Op II, LLC | Santa Anna, TX 76878 | Oil Operator | Jul 2025 |
| 6818 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Jun 2024 |
| 6819 | Creco Operating, LLC | | Oil & Gas Operator | Nov 2015 |
| 6820 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
| 6821 | Cree Oil LLC | | Oil & Gas Operator | May 2025 |
| 6822 | Creed Operating Co., LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2025 |
| 6823 | Creede Oil & Gas Company | Oklahoma City, OK 73102-7502 | Oil & Gas Operator | Jun 2006 |
| 6824 | Creek Ellis | Haskell, OK 74436 | Oil & Gas Operator | Mar 2012 |
| 6825 | Creek Energy, Inc. | Brownwood, TX 76804 | Oil & Gas Operator | Jul 2025 |
| 6826 | Creek Oil Company | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 2001 |
| 6827 | Creek Operating Company, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 1998 |
| 6828 | Crego Exploration | Dallas, TX 75243 | Oil & Gas Operator | Jul 2025 |
| 6829 | Creighton Rick D | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2016 |
| 6830 | Cremson Oil & Gas | Coleman, TX 76834 | Oil & Gas Operator | Jul 2025 |
| 6831 | Crenshaw Oil | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2025 |
| 6832 | Crenshaw, Joe R. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 6833 | Crenshaw, K. M. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2018 |
| 6834 | Creole Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 6835 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Apr 2025 |
| 6836 | Crescent Drillin | | Gas Operator | Apr 1991 |
| 6837 | Crescent Drilling Company, Inc. | | Gas Operator | Dec 2024 |
| 6838 | Crescent DRLG & DVLPMNT, Inc. | | Oil & Gas Operator | Oct 1992 |
| 6839 | Crescent Energy Company | | Oil Operator | May 1993 |
| 6840 | Crescent Exploration Company | Austin, TX 78767 | Oil & Gas Operator | Aug 1995 |
| 6841 | Crescent Exploration, LLC | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 6842 | Crescent Oil & Gas | Decatur, TX 76234 | Gas Operator | Dec 1999 |
| 6843 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Jul 2025 |
| 6844 | Crescent Point Energy Us Corp | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 6845 | Creslenn Oil Company | | Oil & Gas Operator | Nov 1998 |
| 6846 | Crest Oil & Gas Management Corp. | | Oil & Gas Operator | Apr 2025 |
| 6847 | Crest Operating Company | Houston, TX 77042 | Oil & Gas Operator | Jul 2025 |
| 6848 | Crest Petr Inc | Rose Hill, KS 67133 | Oil Operator | Jun 2000 |
| 6849 | Crest Petroleum | Newark, OH 43055 | Oil & Gas Operator | Nov 1993 |
| 6850 | Crest Petroleum, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2025 |
| 6851 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
| 6852 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2025 |
| 6853 | Crestmont Operating LLC | New York, NY 10151 | Oil Operator | Jul 2025 |
| 6854 | Creston Oil Corporation | Jacksonville, FL 32225 | Oil & Gas Operator | Dec 2021 |
| 6855 | Creston Petroleum Corp. | Dallas, TX 75380 | Oil & Gas Operator | Jul 2025 |
| 6856 | Crestone Peak Resources Operating LLC | | Oil & Gas Operator | May 2025 |
| 6857 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 6858 | Creswell, Chris | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 6859 | Creswell, R.G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 6860 | Crew B Operating, LLC | Okmulgee, OK 74447 | Oil Operator | Apr 2025 |
| 6861 | Crey Oil & Gas LLC | Sundown, TX 79372 | Oil Operator | Jul 2025 |
| 6862 | CRG Properties LTD. | | Oil & Gas Operator | Dec 2013 |
| 6863 | Cricket Enterprises Corporation | Nowata, OK 74048-9683 | Oil & Gas Operator | Mar 2015 |
| 6864 | Criger Oil Compa | | Oil Operator | Sep 1992 |
| 6865 | Crimson Energy Company, LC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2004 |
| 6866 | Crimson Energy Partners IV, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2023 |
| 6867 | Crimson Energy Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2009 |
| 6868 | Crimson Energy PTNRS III, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 6869 | Crimson Explor Operating, Inc. | | Oil & Gas Operator | Dec 2009 |
| 6870 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
| 6871 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
| 6872 | Crimson Resource Management Corp. | | Oil & Gas Operator | May 2025 |
| 6873 | Crimson Resources, LLC | Tulsa, OK 74133 | Oil Operator | Jul 2007 |
| 6874 | Cris Oil | | Oil Operator | Dec 2024 |
| 6875 | Crissinger Robert A Inc | Strongsville, OH 44136 | Oil & Gas Operator | Dec 2003 |
| 6876 | Criswell E. White | | Gas Operator | Jun 2015 |
| 6877 | Criswell Energy LLC | Montezuma, IA 50171-8500 | Oil & Gas Operator | Oct 2022 |
| 6878 | Criteria Petrole | | Oil Operator | Sep 1996 |
| 6879 | Criterion Energy, Limited | Austin, TX 78737 | Gas Operator | Jan 2003 |
| 6880 | CRJ Bond Operations, LLC | Graham, TX 76450 | Oil Operator | Jul 2025 |
| 6881 | CRM Energy Partners | | Oil & Gas Operator | Apr 2025 |
| 6882 | CRM Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jul 2025 |
| 6883 | Crocker Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Aug 1999 |
| 6884 | Crockett Oil And Gas, Inc. | Sharon, KS 67138 | Oil & Gas Operator | Jun 2006 |
| 6885 | Crockett Operating, LLC | Arlington, TX 76017 | Oil & Gas Operator | Jul 2025 |
| 6886 | Crockett Operting, LLC | Arlington, TX 76013 | Oil & Gas Operator | Oct 2020 |
| 6887 | Croft Petroleum Co. | Cut Bank, MT 59427 | Oil & Gas Operator | Dec 2022 |
| 6888 | Croker, Danny | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2025 |
| 6889 | Cromeens Petroleum, Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Sep 1996 |
| 6890 | Cromer Carroll Oil & Gas LLC | Kalispell, MT 59901 | Oil & Gas Operator | Apr 2025 |
| 6891 | Crone Oil Company | Gruver, TX 79040 | Oil & Gas Operator | Jul 2025 |
| 6892 | Cronus Exploration Co LLC | | Oil & Gas Operator | May 2025 |
| 6893 | Crooch John | Okmulgee, OK 74447 | Oil Operator | Mar 2025 |
| 6894 | Crook-Woodlin Expl.,Inc. | | Oil Operator | Feb 1988 |
| 6895 | Crosbys Creek Oil & Gas, LLC | Ridgeland, MS 39157 | Oil & Gas Operator | Mar 2025 |
| 6896 | Cross And Cross | Overland Park, KS 66214 | Oil Operator | Sep 1997 |
| 6897 | Cross Bar Energy, LLC | Wichita, KS 67206 | Oil Operator | Mar 2025 |
| 6898 | Cross Bar Petrol | | Oil Operator | Aug 1995 |
| 6899 | Cross Bar Petroleum, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Jun 2016 |
| 6900 | Cross Border Resources, Inc. | Dallas, TX 75235 | Oil & Gas Operator | Jan 2022 |