| 1 | C. W. Resources, Inc. | Longview, TX 75604 | Oil & Gas Operator | Oct 2025 |
| 2 | California-T.D. And Assoc., Inc. | Yorba Linda, CA 92886 | Oil & Gas Operator | Aug 2003 |
| 3 | Cameron Exploration, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2026 |
| 4 | Camterra Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Feb 2026 |
| 5 | Cape Operating, Inc. | Longview, TX 75608 | Oil & Gas Operator | Nov 2007 |
| 6 | Cape, Randy | Tyler, TX 75703 | Oil & Gas Operator | Mar 2008 |
| 7 | Card Operating Company, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Dec 1995 |
| 8 | Carr Resources, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Feb 2026 |
| 9 | Carter Resources | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2005 |
| 10 | Cavillo Oil Company LC Of Texas | Marshall, TX 75671 | Oil & Gas Operator | Feb 2026 |
| 11 | Cavillo Oil Corporation | Marshall, TX 75670 | Oil & Gas Operator | Jun 1998 |
| 12 | Cci East Texas Upstream LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2021 |
| 13 | Cci Gulf Coast Upstream LLC | Teague, TX 75860 | Oil & Gas Operator | Mar 2021 |
| 14 | Chalker Energy Management II,LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2008 |
| 15 | Chalker Energy Management,LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2006 |
| 16 | Chalker Operating Inc. | Richmond, TX 77406 | Oil & Gas Operator | Jul 2016 |
| 17 | Channel Production Company | Marshall, TX 75670 | Oil & Gas Operator | Feb 2026 |
| 18 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 19 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2026 |
| 20 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
| 21 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2025 |
| 22 | Chinn Exploration Company | Longview, TX 75605 | Oil & Gas Operator | Nov 2015 |
| 23 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Feb 2026 |
| 24 | Cico Oil & Gas Company | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
| 25 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Feb 2026 |
| 26 | Cippele Resources Co. | Longview, TX 75608 | Oil & Gas Operator | May 1994 |
| 27 | Circle Ridge Production, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 28 | CL&F Operating LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2022 |
| 29 | Claron Corporation | Houston, TX 77219 | Oil & Gas Operator | Feb 2026 |
| 30 | Classic Energy Incorporated | Tyler, TX 75701 | Oil & Gas Operator | Jul 2005 |
| 31 | Classic Oil & Gas, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jan 2004 |
| 32 | Classic Operating Co. LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 33 | Clemons, Tony W. | Minden, LA 71055 | Oil & Gas Operator | Dec 2016 |
| 34 | CLR Secondary Recovery, LLC | Wichita Falls, TX 76306 | Oil & Gas Operator | Feb 2026 |
| 35 | CNS Energy, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2010 |
| 36 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 37 | Colorado-Swanson Landing Oil & Gas, LLC | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 38 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
| 39 | Compass Energy Operating, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 40 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
| 41 | Comstock Oil & Gas, LLC | Frisco, TX 75034 | Oil & Gas Operator | Feb 2026 |
| 42 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
| 43 | Conquest Energy, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 44 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 45 | Cook Exploration Co. | Longview, TX 75602 | Oil & Gas Operator | Feb 2026 |
| 46 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
| 47 | Costilla Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 48 | Cotton Valley Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2000 |
| 49 | Cotton Valley Operations, Inc. | Longview, TX 75608 | Oil & Gas Operator | Feb 2026 |
| 50 | Couch, Gilbert | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 51 | Cove Petroleum Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2020 |
| 52 | Covey Park Operating LLC | Dallas, TX 75225 | Oil & Gas Operator | Aug 2019 |
| 53 | Covey Park Resources LLC | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
| 54 | Cowrie Energy LLC | Austin, TX 78703 | Oil & Gas Operator | Feb 2026 |
| 55 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
| 56 | CR2 Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 57 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 58 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
| 59 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Feb 2026 |
| 60 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
| 61 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Feb 2026 |
| 62 | Cross Creek Energy LLC | Houston, TX 77074 | Oil & Gas Operator | Aug 2013 |
| 63 | Cross Timbers Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2025 |
| 64 | Crosspoint Energy Company | Dallas, TX 75205 | Oil & Gas Operator | Oct 2007 |
| 65 | Crow, David | Shreveport, LA 71106 | Oil & Gas Operator | May 2001 |
| 66 | Crystal Oil Company | Shreveport, LA 71120 | Oil & Gas Operator | Jul 1995 |
| 67 | Cypress Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |