| 1 | C & G Petroleum, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Aug 2004 |
| 2 | Cabal Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 3 | Caird Operating, LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Apr 2024 |
| 4 | Cal-Tex Exploratn & Prod Co LLC | San Antonio, TX 78228 | Oil & Gas Operator | Apr 2024 |
| 5 | Callaway Production Co., Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 1996 |
| 6 | Cambrian Management LTD | McCaulley, TX 79534 | Oil & Gas Operator | Apr 2024 |
| 7 | Camden Resources, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 2008 |
| 8 | Cameron Exploration, Inc. | Longview, TX 75604 | Oil & Gas Operator | Apr 2024 |
| 9 | Cannan, Morris | San Antonio, TX 78205 | Oil & Gas Operator | Apr 2024 |
| 10 | Canyon Exploration Co. | Amarillo, TX 79105 | Oil & Gas Operator | Jan 2024 |
| 11 | Capataz Operating Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2020 |
| 12 | Caprock Exploration, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Feb 2024 |
| 13 | Cardinal Shares, Inc. | West Bloomfld, MI 48322 | Oil & Gas Operator | Mar 2004 |
| 14 | Cardwell Oil Corporation | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 15 | Carlow Corp. | Midland, TX 79702 | Oil & Gas Operator | Jan 2024 |
| 16 | Caroil, LLC | Odessa, TX 79761 | Oil Operator | Apr 2024 |
| 17 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |
| 18 | Celero Energy LP | Midland, TX 79701 | Oil & Gas Operator | May 2011 |
| 19 | Central Drilling Company, USA | Midland, TX 79710 | Oil & Gas Operator | May 2006 |
| 20 | Chambers Operating, Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Mar 2006 |
| 21 | Chan West Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Apr 2024 |
| 22 | Chanc West, Inc. | Iraan, TX 79744 | Oil & Gas Operator | Mar 1995 |
| 23 | Chandler Oil & Gas, LLC | San Marcos, TX 78666 | Oil & Gas Operator | Apr 2024 |
| 24 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 25 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2024 |
| 26 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2023 |
| 27 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 28 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 29 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 30 | Chisos Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 31 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Apr 2024 |
| 32 | Cholla Petroleum, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
| 33 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 34 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 35 | Circle-S Energy, LLC | McKinney, TX 75071 | Oil & Gas Operator | Apr 2024 |
| 36 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
| 37 | Clark Oil Co. | Dallas, TX 75206 | Oil Operator | Apr 2024 |
| 38 | Clark, John M. | Midland, TX 79701 | Oil & Gas Operator | Dec 1993 |
| 39 | Clark, John M., Inc. | Midland, TX 79704 | Oil & Gas Operator | Apr 2024 |
| 40 | Clayton Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | May 2004 |
| 41 | Clear Water Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 42 | Cleveland Oil Company,L.L.C.,The | Midland, TX 79702 | Oil & Gas Operator | Sep 1999 |
| 43 | Clide Oil Corp. | Iraan, TX 79744 | Oil & Gas Operator | Nov 2015 |
| 44 | Cliffwood Production Co. | Houston, TX 77090 | Oil & Gas Operator | Aug 2013 |
| 45 | CLR Secondary Recovery, LLC | Wichita Falls, TX 76306 | Oil & Gas Operator | Apr 2024 |
| 46 | CM Oil Co. | FT Stockton, TX 79735 | Oil & Gas Operator | Apr 2024 |
| 47 | Coastal New Mexico MGMT LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Apr 2024 |
| 48 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
| 49 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 50 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 51 | Cochise Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 52 | Cockrell Production Co., Inc. | Irving, TX 75014 | Oil & Gas Operator | Apr 2024 |
| 53 | Coda Energy, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 54 | Cody Energy LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2020 |
| 55 | COG Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 56 | Commonwealth Royalty, LLC | Balmorhea, TX 79718 | Oil Operator | Apr 2024 |
| 57 | Comstock Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2024 |
| 58 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
| 59 | Concho Resources Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2004 |
| 60 | Concord Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2021 |
| 61 | Confed Oil Incorporated | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
| 62 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 63 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 64 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 65 | Contango Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2024 |
| 66 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 67 | Contrast Energy, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2024 |
| 68 | Convert Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2019 |
| 69 | Cook, Kenneth D. Operator | Midland, TX 79707 | Oil Operator | Apr 2024 |
| 70 | Corda Corporation | Wichita Falls, TX 76302 | Oil & Gas Operator | Apr 2024 |
| 71 | Core E & P Corp. | Victoria, TX 77902 | Oil & Gas Operator | Apr 2024 |
| 72 | Coronado Minerals, LLC | Houston, TX 77208 | Oil & Gas Operator | Apr 2024 |
| 73 | Corvette Oil Corporation | Fort Worth, TX 76115 | Oil & Gas Operator | Mar 2008 |
| 74 | Costa Resources, Inc. | Dallas, TX 75209 | Oil & Gas Operator | Aug 2003 |
| 75 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 76 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 77 | Couch, Gilbert | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 78 | Couch, Harry L. | Odessa, TX 79762 | Oil & Gas Operator | Nov 1994 |
| 79 | Covenant Production Co., L.C. | Midland, TX 79702 | Oil & Gas Operator | Nov 2002 |
| 80 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 81 | CP Energy LLC | Edmond, OK 73034 | Oil Operator | Feb 2024 |
| 82 | Crabtree And Brown, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Feb 1995 |
| 83 | Creamer, Donald R., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 84 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 85 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
| 86 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 87 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2023 |
| 88 | Crownquest Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 89 | Cuervo, Inc. | FT Stockton, TX 79735 | Oil & Gas Operator | Apr 2024 |
| 90 | Cumming Company, Inc. The | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2024 |