| 1 | C & G Transports, Inc. | Woodson, TX 76491 | Oil & Gas Operator | Apr 2026 |
| 2 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Jan 2026 |
| 3 | Caddo Corporation | Austin, TX 78731 | Oil & Gas Operator | Apr 2026 |
| 4 | Campana Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 5 | Can-Tex Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Nov 2003 |
| 6 | Caraway Operating Co. | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2026 |
| 7 | Cardwell Oil Corporation | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 8 | Carey, Shirley L. Trust | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 9 | Carl Oil & Gas Co. | Bakersfield, CA 93309 | Oil & Gas Operator | Dec 1995 |
| 10 | Cedar Oil Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 11 | Centaur Petroleum Corporation | Fort Worth, TX 76101 | Oil & Gas Operator | Apr 2026 |
| 12 | Centurion Operating Corporation | Rockwall, TX 75087 | Oil & Gas Operator | Apr 2026 |
| 13 | Cfo Resources, Inc. | Corpus Christ, TX 78412 | Oil & Gas Operator | Apr 2026 |
| 14 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Feb 2026 |
| 15 | Chan West Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Apr 2026 |
| 16 | Chancellor, Earl Sales Co., Inc. | Sweetwater, TX 79556 | Oil & Gas Operator | Apr 2026 |
| 17 | Channa Operating, LLC | Houston, TX 77063 | Oil & Gas Operator | Jul 2021 |
| 18 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2026 |
| 19 | Charter Petroleum Company | Abilene, TX 79605 | Oil & Gas Operator | Apr 2026 |
| 20 | Cherokee Production Corp. | Greenville, TX 75401 | Oil & Gas Operator | Apr 2026 |
| 21 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2025 |
| 22 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Apr 2026 |
| 23 | Chisholm Exploration | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 24 | Chisholm Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2026 |
| 25 | Choice Exploration, Inc. | Irving, TX 75063 | Oil & Gas Operator | Apr 2026 |
| 26 | Cholla Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Apr 2026 |
| 27 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Apr 2026 |
| 28 | Cinnabar Energy, LTD. | Fort Worth, TX 76107 | Oil & Gas Operator | May 2018 |
| 29 | Cinnabar Operating, LLC | Fort Worth, TX 76121 | Oil & Gas Operator | Apr 2026 |
| 30 | Citation Oil & Gas Corp | Houston, TX 77269 | Oil & Gas Operator | Apr 2026 |
| 31 | Clavo Oil, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 32 | Clear Fork, Incorporated | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 33 | Clear Water Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 34 | Cleveland Production Company | Summit, MS 39666 | Oil & Gas Operator | Jul 1999 |
| 35 | Cockrell Production Co., Inc. | Irving, TX 75014 | Oil & Gas Operator | Apr 2026 |
| 36 | Coda Energy, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 37 | COG Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 38 | Colemanite, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2026 |
| 39 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
| 40 | Continental Exploration LLC | Richardson, TX 75080 | Oil & Gas Operator | Apr 2026 |
| 41 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 42 | Corda Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 43 | Cotton Valley Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2000 |
| 44 | Cottonwood Petroleum Co. | Abilene, TX 79603 | Oil & Gas Operator | Jun 2009 |
| 45 | Couch Oil & Gas, Inc. | Dallas, TX 75229 | Oil & Gas Operator | Apr 2026 |
| 46 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Apr 2026 |
| 47 | Creed Operating Co., LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 48 | CRM Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2026 |
| 49 | Crownquest Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 50 | Cuatro Oil And Gas Corporation | Abilene, TX 79603 | Oil & Gas Operator | Apr 2026 |