| 6701 | Cowboy Clean Fuels LLC | Laramie, WY 82072 | Gas Operator | Jul 2025 |
| 6702 | Cowboy Oil & Gas | Bristow, OK 74010-0057 | Oil & Gas Operator | Jul 2018 |
| 6703 | Cowboy Operating LLC | Oklahoma City, OK 73120 | Oil Operator | Jun 2025 |
| 6704 | Cowboys Resources Corp. | New Braunfels, TX 78132 | Oil Operator | Jan 2008 |
| 6705 | Cowden SR Lester L | Oklahoma City, OK 73118-4011 | Oil & Gas Operator | Sep 1999 |
| 6706 | Cowen Michael T | | Oil & Gas Operator | Dec 2009 |
| 6707 | Cowles James C | Muskogee, OK 74401-5262 | Oil Operator | Jan 2025 |
| 6708 | Cowley Energy Associates, LLC | Plano, TX 75093 | Gas Operator | Dec 2009 |
| 6709 | Cowrie Energy LLC | Austin, TX 78703 | Oil & Gas Operator | Oct 2025 |
| 6710 | Cowry Enterprises, LTD. | Littleton, CO 80161-3310 | Oil & Gas Operator | Mar 2022 |
| 6711 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 6712 | Cox Edwin L & Be | | Oil & Gas Operator | Nov 1989 |
| 6713 | Cox Edwin L & Berry R | | Oil & Gas Operator | Oct 1987 |
| 6714 | Cox Edwin L & R Berry | Dallas, TX 75202 | Oil & Gas Operator | Apr 2015 |
| 6715 | Cox Elmer N | Irving, TX 75181 | Oil Operator | Aug 2013 |
| 6716 | Cox Engineering, LLC | Abilene, TX 79605 | Oil Operator | Mar 2006 |
| 6717 | Cox Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1999 |
| 6718 | Cox Gas Corporation | Dallas, TX 75201-7306 | Oil & Gas Operator | Apr 2015 |
| 6719 | Cox Kendall Jay | Recluse, WY 28775 | Oil & Gas Operator | Aug 2016 |
| 6720 | Cox Linda | Bristow, OK 74010-0808 | Oil & Gas Operator | Jan 2018 |
| 6721 | Cox Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2014 |
| 6722 | Cox Operating Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2000 |
| 6723 | Cox Operating, L.L.C. | | Oil & Gas Operator | Jan 2024 |
| 6724 | Cox P D Inc | Bristow, OK 74010 | Oil & Gas Operator | May 1993 |
| 6725 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
| 6726 | Cox Robert L | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2025 |
| 6727 | Cox, Gary L | | Oil Operator | Mar 2022 |
| 6728 | Cox, H. L. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jan 2011 |
| 6729 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 6730 | Cox, Lee Investments Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Oct 2025 |
| 6731 | Cox, Martin Regan | Irving, TX 75014 | Oil & Gas Operator | Oct 2025 |
| 6732 | Cox, Rex Allen | | Oil & Gas Operator | Dec 2021 |
| 6733 | Cox, Robert G. & Associates,Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 1994 |
| 6734 | Cox, Wayne D. | Eureka, KS 67045 | Oil Operator | Sep 1991 |
| 6735 | Coy W. Hale | | Oil Operator | Nov 2024 |
| 6736 | Coyote Oil Company | Lufkin, TX 75915 | Oil & Gas Operator | Sep 1996 |
| 6737 | Coyote Oil Company. LTD. | | Oil & Gas Operator | Dec 1997 |
| 6738 | Coyote Oil LLC | | Oil Operator | Jan 2018 |
| 6739 | Coyote Oil, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Oct 2025 |
| 6740 | Coyote Operating, LLC | Graham, TX 76450 | Oil Operator | Oct 2025 |
| 6741 | Coyote Services, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2002 |
| 6742 | Cozart Producers | | Oil Operator | Dec 2024 |
| 6743 | CP Exploration III Operating,LLC | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2023 |
| 6744 | CP Exploration TX Operating LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2017 |
| 6745 | CPBG, LLC | | Oil Operator | Oct 2019 |
| 6746 | Cpi 5, L.L.C | | Oil Operator | Dec 2023 |
| 6747 | Cpi Operating Co. | | Oil & Gas Operator | Mar 2003 |
| 6748 | Cpi Operating Company, LLC | | Oil Operator | Jan 2025 |
| 6749 | Cpmak Investments, Inc. | Cross Plains, TX 76443 | Oil Operator | Oct 2025 |
| 6750 | CPRC Inc | Tulsa, OK 74103-5037 | Oil & Gas Operator | Apr 1997 |
| 6751 | CPRP Services LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Jul 2025 |
| 6752 | CPX Energy Operating, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2025 |
| 6753 | CPX Piceance Holdings LLC | | Oil & Gas Operator | Jul 2024 |
| 6754 | CR Energy | | Oil & Gas Operator | Dec 1992 |
| 6755 | CR Reed Production, Inc. | Gainesville, TX 76241 | Oil Operator | Oct 2025 |
| 6756 | CR2 Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 6757 | CR3 Operating Company, L.L.C. | Houston, TX 77251 | Oil & Gas Operator | Oct 2025 |
| 6758 | Cra International, LTD | | Oil & Gas Operator | Mar 1983 |
| 6759 | Crab Run Gas Company | | Oil & Gas Operator | Feb 1982 |
| 6760 | Crabtree And Brown, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Feb 1995 |
| 6761 | Crabtree Barbara T | Forney, TX 75126-5818 | Oil & Gas Operator | Oct 2024 |
| 6762 | Cracker Oil & Gas Co | | Gas Operator | Dec 2013 |
| 6763 | Craddock, Roy H Dba Craddock Oil & Gas | Chapmanville, WV 25508 | Gas Operator | Dec 2021 |
| 6764 | Craft & Craft Productions LLC | | Oil Operator | May 2025 |
| 6765 | Craft Operating NM LLC | Houston, TX 77057 | Oil Operator | Apr 2024 |
| 6766 | Craft Petroleum Company, Inc. Et Al | | Oil & Gas Operator | Mar 1997 |
| 6767 | Craft Resources, Inc. | Weston, TX 75097 | Oil & Gas Operator | Aug 2003 |
| 6768 | Craig Elder Oil And Gas LLC | Edmond, OK 73013 | Oil & Gas Operator | Jun 2025 |
| 6769 | Craig Oil Compan | | Oil Operator | Jul 1996 |
| 6770 | Craig Oil Company | | Oil Operator | Dec 2019 |
| 6771 | Craig Oil, Inc. | Olney, TX 76374 | Oil Operator | Oct 2025 |
| 6772 | Craig, Bob | Olney, TX 76374 | Oil & Gas Operator | Oct 2025 |
| 6773 | Craig, Carl | Olney, TX 76374 | Oil & Gas Operator | Oct 2025 |
| 6774 | Craig, J. E. G. Estate | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 6775 | Craig, Robert A. | Olney, TX 76374 | Oil Operator | Oct 2025 |
| 6776 | Craig, Wood B Or Monroe, Dianne | Canyon, TX 79015 | Gas Operator | Oct 2025 |
| 6777 | Craig, Wood B. & Bettie | Sunray, TX 79086 | Oil & Gas Operator | Aug 2005 |
| 6778 | Craig-Stephfield | | Oil & Gas Operator | Jan 1994 |
| 6779 | Craig/Stephfield Oil & Gas, Inc. | Ponca City, OK 74602 | Oil & Gas Operator | Apr 2001 |
| 6780 | Craighead, Ray | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 6781 | Craighead, Ray Well Service Inc | Wichita Falls, TX 76308 | Oil Operator | Apr 2019 |
| 6782 | Craighead, Robert A. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 6783 | Crain & Deisenroth | Tulsa, OK 74103-4433 | Oil & Gas Operator | Mar 2015 |
| 6784 | Crain & Deisenroth LLC | Tulsa, OK 74104-6511 | Oil & Gas Operator | Apr 2014 |
| 6785 | Crain & Dore Production Co Inc | | Oil & Gas Operator | Oct 1990 |
| 6786 | Crain & Dore' | | Oil & Gas Operator | May 1986 |
| 6787 | Crain & Griffith DRL Co | | Oil Operator | Jun 1963 |
| 6788 | Crain Minerals LLC | Oklahoma City, OK 73120-1004 | Oil & Gas Operator | Aug 2014 |
| 6789 | Crain Orchards Inc. | | Gas Operator | Jul 2025 |
| 6790 | Cramer Oil Company | Denver, CO 80202 | Oil Operator | Aug 2012 |
| 6791 | Cramer Oil LLC | Nowata, OK 74048-6011 | Oil Operator | Jun 2025 |
| 6792 | Crampton, Freddie | Holliday, TX 76366 | Oil & Gas Operator | Oct 2025 |
| 6793 | Crane Edward | | Oil Operator | Feb 1995 |
| 6794 | Cranford Exploration, Inc. | | Oil & Gas Operator | Jul 2002 |
| 6795 | Cranford, Wayne | Electra, TX 76360 | Oil & Gas Operator | Dec 2019 |
| 6796 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Oct 2025 |
| 6797 | Crasco Oil Company | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 6798 | Crater, Gary D. | Kansas City, MO 64108 | Oil & Gas Operator | Feb 1988 |
| 6799 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 6800 | Craton Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2005 |