| 1 | Callon Petroleum Operating Co | Houston, TX 77042 | Oil & Gas Operator | Jul 2024 |
| 2 | Cambrian Management LTD | McCaulley, TX 79534 | Oil & Gas Operator | Sep 2026 |
| 3 | Camterra Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Sep 2026 |
| 4 | Candelero Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 5 | Canyon Reef Brine LLC | Snyder, TX 79550 | Oil Operator | Sep 2026 |
| 6 | Caribbean Energy LLC II | Cotulla, TX 78014 | Oil & Gas Operator | Sep 2026 |
| 7 | Carlow Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8 | Carson Buckles Exploration LLC | Amarillo, TX 79159 | Oil & Gas Operator | Sep 2026 |
| 9 | Catoilan Corporation | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 10 | Caza Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 11 | Centerfire Resources | Springerville, AZ 85938 | Oil & Gas Operator | Sep 2026 |
| 12 | Central Resources, Inc. | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
| 13 | Central Texas Operating, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2026 |
| 14 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2026 |
| 15 | Chesapeake Exploration LLC | Oklahoma City, OK 731540496 | Oil & Gas Operator | Jul 2020 |
| 16 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2026 |
| 17 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 18 | Chevron Pipe Line Company | Houston, TX 77001 | Oil Operator | Feb 2015 |
| 19 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 20 | Cimarex Energy Co Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Jun 2026 |
| 21 | Citation Oil & Gas Corp | Houston, TX 77269 | Oil & Gas Operator | Sep 2026 |
| 22 | Civitas Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 23 | Clear Fork, Incorporated | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 24 | Clear Water Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 25 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 26 | Coastal Management Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 27 | Coastal Oil & Gas Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
| 28 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Apr 2026 |
| 29 | Coda Energy, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 30 | Coert Holdings 1 LLC | Greenwich, CT 06830 | Oil & Gas Operator | Dec 2021 |
| 31 | COG Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 32 | Collins & Ware, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
| 33 | Comstock Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Sep 2026 |
| 34 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
| 35 | Concho Resources Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2004 |
| 36 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 37 | Contango Resources LLC | Andrews, TX 79714 | Oil & Gas Operator | Jul 2026 |
| 38 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Sep 2026 |
| 39 | Corda Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 40 | Core E & P Corp. | Victoria, TX 77902 | Oil & Gas Operator | Sep 2026 |
| 41 | Costilla Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 42 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 43 | Cottonwood Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 44 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 45 | CR3 Operating Company, L.L.C. | Houston, TX 77251 | Oil & Gas Operator | Sep 2026 |
| 46 | Crescent Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 47 | Crownquest Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 48 | Cutbow Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |