| 2601 | Cranford, Wayne | Electra, TX 76360 | Oil & Gas Operator | Dec 2019 |
| 2602 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Apr 2025 |
| 2603 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 2604 | Craton Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2005 |
| 2605 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
| 2606 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Apr 2025 |
| 2607 | Cravey, W. H. | Hobbs, NM 88240 | Oil & Gas Operator | Jan 2012 |
| 2608 | Crawford And Cameron Group | Houston, TX 77074 | Oil & Gas Operator | May 1997 |
| 2609 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
| 2610 | Crawford Energy, Incorporated | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 2611 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2025 |
| 2612 | Crawford Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2001 |
| 2613 | Crawford, Linda | Alice, TX 78332 | Oil Operator | Apr 2025 |
| 2614 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 2615 | Crazy Horse Operating LLC | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 2616 | CRD Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2021 |
| 2617 | Creager And Creager Production | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 2618 | Creamer, Donald R., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 2619 | Creative Oil & Gas Operating,LLC | Giddings, TX 78942 | Oil & Gas Operator | May 2024 |
| 2620 | Creative Oil And Gas Op II, LLC | San Antonio, TX 78246 | Oil Operator | Apr 2025 |
| 2621 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Jun 2024 |
| 2622 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
| 2623 | Creed Operating Co., LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 2624 | Creek Energy, Inc. | Brownwood, TX 76804 | Oil & Gas Operator | Apr 2025 |
| 2625 | Creek Operating Company, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Sep 1998 |
| 2626 | Crego Exploration | Dallas, TX 75243 | Oil & Gas Operator | Apr 2025 |
| 2627 | Cremson Oil & Gas | Coleman, TX 76834 | Oil & Gas Operator | Apr 2025 |
| 2628 | Crenshaw Oil | Wichita Falls, TX 76302 | Oil & Gas Operator | Apr 2025 |
| 2629 | Crenshaw, Joe R. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 2630 | Crenshaw, K. M. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2018 |
| 2631 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Jan 2025 |
| 2632 | Crescent Exploration Company | Austin, TX 78767 | Oil & Gas Operator | Aug 1995 |
| 2633 | Crescent Exploration, LLC | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 2634 | Crescent Pass Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Apr 2025 |
| 2635 | Crest Operating Company | Houston, TX 77042 | Oil & Gas Operator | Apr 2025 |
| 2636 | Crest Petroleum, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 2637 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
| 2638 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2025 |
| 2639 | Crestmont Operating LLC | New York, NY 10151 | Oil Operator | Apr 2025 |
| 2640 | Creston Petroleum Corp. | Dallas, TX 75380 | Oil & Gas Operator | Apr 2025 |
| 2641 | Crestridge DRLG. & Prod.Co.,LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 2642 | Creswell, Chris | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 2643 | Creswell, R.G. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 2644 | Crey Oil & Gas LLC | Sundown, TX 79372 | Oil Operator | Apr 2025 |
| 2645 | Crimson Energy Company, LC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2004 |
| 2646 | Crimson Energy Partners IV, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2023 |
| 2647 | Crimson Energy Partners V, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 2648 | Crimson Energy Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2009 |
| 2649 | Crimson Energy PTNRS III, L.L.C. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 2650 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
| 2651 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
| 2652 | Criterion Energy, Limited | Austin, TX 78737 | Gas Operator | Jan 2003 |
| 2653 | CRJ Bond Operations, LLC | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 2654 | CRM Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2025 |
| 2655 | Crocker Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Aug 1999 |
| 2656 | Crockett Operating, LLC | Arlington, TX 76017 | Oil & Gas Operator | Apr 2025 |
| 2657 | Crockett Operting, LLC | Arlington, TX 76013 | Oil & Gas Operator | Oct 2020 |
| 2658 | Croft Petroleum Co. | Cut Bank, MT 59427 | Oil & Gas Operator | Dec 2022 |
| 2659 | Croker, Danny | Wichita Falls, TX 76302 | Oil & Gas Operator | Apr 2025 |
| 2660 | Cromeens Petroleum, Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Sep 1996 |
| 2661 | Crone Oil Company | Gruver, TX 79040 | Oil & Gas Operator | Apr 2025 |
| 2662 | Cross Creek Energy LLC | Houston, TX 77074 | Oil & Gas Operator | Aug 2013 |
| 2663 | Cross Timbers Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 2664 | Cross Timbers Oil Company | Dallas, TX 75284 | Oil & Gas Operator | May 2013 |
| 2665 | Cross Timbers Operating Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
| 2666 | Cross Winds Oil & Gas, LLC | Gruver, TX 79040 | Gas Operator | Apr 2025 |
| 2667 | Crossbow Resources, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 2668 | Crossfoot Operating, LLC | Houston, TX 77227 | Oil & Gas Operator | Apr 2025 |
| 2669 | Crossing Rocks Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 2670 | Crossland Oil & Gas | Dallas, TX 75205 | Oil & Gas Operator | Aug 1994 |
| 2671 | Crosspoint Energy Company | Dallas, TX 75205 | Oil & Gas Operator | Oct 2007 |
| 2672 | Crossroads Energy L.P. | Houston, TX 77064 | Oil & Gas Operator | Jun 2011 |
| 2673 | Crossroads Energy Partners, LLC | Houston, TX 77070 | Oil & Gas Operator | Mar 2018 |
| 2674 | Crossroads Mineral Prod., L.L.C. | Seguin, TX 78155 | Oil Operator | Apr 2025 |
| 2675 | Crossroads Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 2676 | Crossroads Petroleum L.L.C. | San Benito, TX 78586 | Oil & Gas Operator | Apr 2025 |
| 2677 | Crossroads Vacuum & Weld. Serv. | Luling, TX 78648 | Oil Operator | Mar 2010 |
| 2678 | Crosstex Services, L.L.C. | Tuscola, TX 79562 | Oil Operator | Apr 2025 |
| 2679 | Crouch Petroleum Company | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2015 |
| 2680 | Crouch, Eugene Louis | Lockhart, TX 78644 | Oil & Gas Operator | Apr 1999 |
| 2681 | Crow Creek Operating Co II LLC | Houston, TX 77252 | Oil & Gas Operator | Jul 2011 |
| 2682 | Crow, David | Shreveport, LA 71106 | Oil & Gas Operator | May 2001 |
| 2683 | Crown Energy Company | Oklahoma City, OK 73106 | Oil & Gas Operator | Jan 2025 |
| 2684 | Crown Equipment Co. | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2025 |
| 2685 | Crown Petroleum Corp. | Oklahoma City, OK 73106 | Oil & Gas Operator | Apr 2025 |
| 2686 | Crownquest Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 2687 | Crozier & Company | Tyler, TX 75703 | Oil & Gas Operator | Jan 2020 |
| 2688 | CRT'S, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Aug 2008 |
| 2689 | Crude Operators, L.L.C. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 2690 | Crude Production Company | Clyde, TX 79510 | Oil & Gas Operator | Apr 2025 |
| 2691 | Crude Resources, Inc. | Carrollton, TX 75011 | Oil & Gas Operator | Mar 2008 |
| 2692 | Crump Operating | Henrietta, TX 76365 | Oil & Gas Operator | Apr 2025 |
| 2693 | Crusader Energy Group Inc. | Austin, TX 78746 | Oil & Gas Operator | Mar 2015 |
| 2694 | Crusader Energy Group, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2015 |
| 2695 | Crusader Energy II, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 2696 | Crusader Resources LC | Sugar Land, TX 77479 | Oil Operator | Apr 2025 |
| 2697 | Crutcher Oil Properties | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 2698 | Cruthird, Mark Oil | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 2699 | Crystal Oil Company | Shreveport, LA 71120 | Oil & Gas Operator | Jul 1995 |
| 2700 | Crystal River Oil & Gas LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Jan 2023 |