| 1 | Cabal Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 2 | Callon Petroleum Operating Co | Houston, TX 77042 | Oil & Gas Operator | Jul 2024 |
| 3 | Cambrian Management LTD | McCaulley, TX 79534 | Oil & Gas Operator | Oct 2025 |
| 4 | Campana Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 5 | Caprock Exploration, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Oct 2025 |
| 6 | Caprock Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Dec 2007 |
| 7 | Capstone Natural Res II, LLC | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2020 |
| 8 | Carken LLC | Andrews, TX 79714 | Oil Operator | Oct 2025 |
| 9 | Carlow Corp. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 10 | Celero Energy LP | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 11 | Centurion Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2009 |
| 12 | CH-Seon Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
| 13 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 14 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2025 |
| 15 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 16 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
| 17 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2025 |
| 18 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 19 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 20 | Chisos Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 21 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Oct 2025 |
| 22 | Chuza Operating | Midland, TX 79710 | Oil & Gas Operator | Sep 2006 |
| 23 | Cimarex Energy Co. | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 24 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 25 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Oct 2025 |
| 26 | CLC Operations Inc | Midland, TX 79701 | Oil & Gas Operator | Mar 1997 |
| 27 | Clear Fork, Incorporated | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 28 | Clear Water Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 29 | Cleveland Oil Company,L.L.C.,The | Midland, TX 79702 | Oil & Gas Operator | Sep 1999 |
| 30 | Cliffwood Production Co. | Houston, TX 77090 | Oil & Gas Operator | Aug 2013 |
| 31 | Coastal Management Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 32 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 33 | Cobalt Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2025 |
| 34 | Coda Energy, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 35 | Cody Company | Amarillo, TX 79121 | Oil & Gas Operator | Mar 2020 |
| 36 | Cody Energy LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2020 |
| 37 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Aug 2025 |
| 38 | Cody Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Sep 2002 |
| 39 | Coert Holdings 1 LLC | Greenwich, CT 06830 | Oil & Gas Operator | Dec 2021 |
| 40 | COG Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 41 | Collins & Ware, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
| 42 | Compass Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 43 | Concho Resources Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2004 |
| 44 | Condor Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 45 | Condor Operating Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 46 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 47 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 48 | Contango Resources LLC | Andrews, TX 79714 | Oil & Gas Operator | Oct 2025 |
| 49 | Contango Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2025 |
| 50 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Oct 2025 |
| 51 | Cook, Kenneth D. Operator | Midland, TX 79707 | Oil Operator | Oct 2025 |
| 52 | Coquina Oil Corporation | Houston, TX 77227 | Oil & Gas Operator | Mar 2015 |
| 53 | Core E & P Corp. | Victoria, TX 77902 | Oil & Gas Operator | Oct 2025 |
| 54 | Corman, Jack | Dallas, TX 75231 | Oil & Gas Operator | May 2022 |
| 55 | Cory, Kenneth W. LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Oct 2025 |
| 56 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 57 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 58 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 59 | Crone Oil Company | Gruver, TX 79040 | Oil & Gas Operator | Oct 2025 |
| 60 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 61 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2025 |
| 62 | Crystal Oil Company | Shreveport, LA 71120 | Oil & Gas Operator | Jul 1995 |
| 63 | Cuervo Resources, Inc. | FT Stockton, TX 79735 | Oil & Gas Operator | Oct 1996 |
| 64 | Cuervo, Inc. | FT Stockton, TX 79735 | Oil & Gas Operator | Oct 2025 |
| 65 | Custer & Wright Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |