| 6701 | Crazy Horse Operating LLC | Austin, TX 78731 | Oil & Gas Operator | Aug 2026 |
| 6702 | Crazy J Oil LLC | | Oil & Gas Operator | Jun 2026 |
| 6703 | CRB Resources Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2026 |
| 6704 | CRD Investments LLC | Duncan, OK 73533-4226 | Oil Operator | May 2026 |
| 6705 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
| 6706 | Creamer, Donald R., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 6707 | Creative Oil & Gas Operating,LLC | Giddings, TX 78942 | Oil & Gas Operator | May 2024 |
| 6708 | Creative Oil And Gas Op II, LLC | Santa Anna, TX 76878 | Oil Operator | Aug 2026 |
| 6709 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Jun 2024 |
| 6710 | Creco Operating LLC | | Oil & Gas Operator | Nov 2015 |
| 6711 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
| 6712 | Cree Oil LLC | | Oil & Gas Operator | Jun 2026 |
| 6713 | Creed Operating Co., LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2026 |
| 6714 | Creek Ellis | Haskell, OK 74436 | Oil & Gas Operator | Mar 2012 |
| 6715 | Creek Energy, Inc. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2026 |
| 6716 | Creek Oil Company | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 2001 |
| 6717 | Creek Operating Company, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 1998 |
| 6718 | Crego Exploration | Dallas, TX 75243 | Oil & Gas Operator | Aug 2026 |
| 6719 | Creighton Rick D | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2016 |
| 6720 | Cremson Oil & Gas | Coleman, TX 76834 | Oil & Gas Operator | Aug 2026 |
| 6721 | Crenshaw Oil | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2026 |
| 6722 | Crenshaw, Joe R. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 6723 | Crenshaw, K. M. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2018 |
| 6724 | Creole Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 6725 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Apr 2026 |
| 6726 | Crescent Drillin | | Gas Operator | Apr 1991 |
| 6727 | Crescent Drilling Company, Inc. | | Gas Operator | Dec 2024 |
| 6728 | Crescent DRLG & DVLPMNT, Inc. | | Oil & Gas Operator | Oct 1992 |
| 6729 | Crescent Energy Company | | Oil Operator | May 1993 |
| 6730 | Crescent Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2026 |
| 6731 | Crescent Exploration Company | Austin, TX 78767 | Oil & Gas Operator | Aug 1995 |
| 6732 | Crescent Exploration, LLC | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 6733 | Crescent Oil & Gas | Decatur, TX 76234 | Gas Operator | Dec 1999 |
| 6734 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | May 2026 |
| 6735 | Crescent Point Energy Us Corp | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 6736 | Creslenn Oil Co | | Oil & Gas Operator | Nov 1998 |
| 6737 | Crest Oil & Gas Management Corp. | | Oil & Gas Operator | Dec 2025 |
| 6738 | Crest Operating Company | Houston, TX 77042 | Oil & Gas Operator | Aug 2026 |
| 6739 | Crest Petr Inc | Rose Hill, KS 67133 | Oil Operator | Jun 2000 |
| 6740 | Crest Petroleum | Newark, OH 43055 | Oil & Gas Operator | Nov 1993 |
| 6741 | Crest Petroleum, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2026 |
| 6742 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
| 6743 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2026 |
| 6744 | Crestmont Operating LLC | New York, NY 10151 | Oil Operator | Aug 2026 |
| 6745 | Creston Oil Corporation | Jacksonville, FL 32225-3869 | Oil & Gas Operator | Dec 2021 |
| 6746 | Creston Petroleum Corp. | Dallas, TX 75380 | Oil & Gas Operator | Aug 2026 |
| 6747 | Crestone Peak Resources Operating LLC | | Oil & Gas Operator | May 2026 |
| 6748 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 6749 | Creswell, Chris | Graham, TX 76450 | Oil & Gas Operator | Aug 2026 |
| 6750 | Creswell, R.G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 6751 | Crew B Operating, LLC | Okmulgee, OK 74447 | Oil Operator | Apr 2026 |
| 6752 | Crey Oil & Gas LLC | Sundown, TX 79372 | Oil Operator | Aug 2026 |
| 6753 | CRG Properties LTD. | | Oil & Gas Operator | Dec 2013 |
| 6754 | Cricket Enterprises Corporation | Nowata, OK 74048-9683 | Oil & Gas Operator | Mar 2015 |
| 6755 | Criger Oil Compa | | Oil Operator | Sep 1992 |
| 6756 | Crimson Energy Company, LC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2004 |
| 6757 | Crimson Energy Partners IV, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2023 |
| 6758 | Crimson Energy Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2009 |
| 6759 | Crimson Energy PTNRS III, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 6760 | Crimson Explor Operating, Inc. | | Oil & Gas Operator | Dec 2009 |
| 6761 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
| 6762 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
| 6763 | Crimson Resource Management Corp. | | Oil & Gas Operator | May 2026 |
| 6764 | Crimson Resources, LLC | Tulsa, OK 74133 | Oil Operator | Jul 2007 |
| 6765 | Cris Oil | | Oil Operator | Mar 2026 |
| 6766 | Crisis Oil Co., Inc. | Dallas, TX 75252 | Oil & Gas Operator | Jun 1995 |
| 6767 | Crissinger Robert A Inc | Strongsville, OH 44136 | Oil & Gas Operator | Dec 2003 |
| 6768 | Criswell E. White | | Gas Operator | Jun 2015 |
| 6769 | Criswell Energy LLC | Montezuma, IA 50171-8500 | Oil & Gas Operator | Oct 2022 |
| 6770 | Criteria Petrole | | Oil Operator | Sep 1996 |
| 6771 | Criterion Energy, Limited | Austin, TX 78737 | Gas Operator | Jan 2003 |
| 6772 | CRJ Bond Operations, LLC | Graham, TX 76450 | Oil Operator | Aug 2026 |
| 6773 | CRM Energy Partners | | Oil & Gas Operator | Apr 2026 |
| 6774 | CRM Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Aug 2026 |
| 6775 | Crocker Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Aug 1999 |
| 6776 | Crockett Oil And Gas, Inc. | Sharon, KS 67138 | Oil & Gas Operator | Jun 2006 |
| 6777 | Crockett Operating, LLC | Arlington, TX 76017 | Oil & Gas Operator | Aug 2026 |
| 6778 | Crockett Operting, LLC | Arlington, TX 76013 | Oil & Gas Operator | Oct 2020 |
| 6779 | Croft Petroleum Co. | Cut Bank, MT 59427 | Oil & Gas Operator | Dec 2022 |
| 6780 | Croker, Danny | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2026 |
| 6781 | Cromeens Petroleum, Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Sep 1996 |
| 6782 | Cromer Carroll Oil & Gas LLC | Kalispell, MT 59901 | Oil & Gas Operator | Apr 2026 |
| 6783 | Crone Oil Company | Gruver, TX 79040 | Oil & Gas Operator | Aug 2026 |
| 6784 | Cronus Exploration Co LLC | | Oil & Gas Operator | May 2026 |
| 6785 | Crooch John | Okmulgee, OK 74447 | Oil Operator | Apr 2026 |
| 6786 | Crook-Woodlin Expl.,Inc. | | Oil Operator | Feb 1988 |
| 6787 | Crosbys Creek Oil & Gas, LLC | Ridgeland, MS 39157 | Oil & Gas Operator | May 2026 |
| 6788 | Cross And Cross | Overland Park, KS 66214 | Oil Operator | Sep 1997 |
| 6789 | Cross Bar Energy, LLC | Wichita, KS 67206 | Oil Operator | Apr 2026 |
| 6790 | Cross Bar Petrol | | Oil Operator | Aug 1995 |
| 6791 | Cross Bar Petroleum, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Jun 2016 |
| 6792 | Cross Border Resources, Inc. | Dallas, TX 75235 | Oil & Gas Operator | Jan 2022 |
| 6793 | Cross Creek Corporation | Duncan, OK 73534 | Oil & Gas Operator | Mar 1999 |
| 6794 | Cross Creek Energy LLC | Houston, TX 77074 | Oil & Gas Operator | Aug 2013 |
| 6795 | Cross Cut Petroleum, LLC | Abilene, TX 79602 | Oil & Gas Operator | Aug 2026 |
| 6796 | Cross Development Co. | | Oil Operator | Dec 1989 |
| 6797 | Cross Development-MMHS PRTSHP. | | Oil Operator | May 1987 |
| 6798 | Cross Development1984-1 PRTSHP | | Oil & Gas Operator | Sep 1990 |
| 6799 | Cross Don | Cushing, OK 74023-6316 | Oil & Gas Operator | Dec 2025 |
| 6800 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2026 |