| 6601 | Cox Engineering, LLC | Abilene, TX 79605 | Oil Operator | Mar 2006 |
| 6602 | Cox Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1999 |
| 6603 | Cox Gas Corporation | Dallas, TX 75201-7306 | Oil & Gas Operator | Apr 2015 |
| 6604 | Cox Kendall Jay | Recluse, WY 28775 | Oil & Gas Operator | Aug 2016 |
| 6605 | Cox Linda | Bristow, OK 74010-0808 | Oil & Gas Operator | Jan 2018 |
| 6606 | Cox Oil & Gas Inc | Dallas, TX 75201 | Oil & Gas Operator | Mar 2014 |
| 6607 | Cox Operating Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2000 |
| 6608 | Cox Operating, L.L.C. | | Oil & Gas Operator | Jan 2024 |
| 6609 | Cox P D Inc | Bristow, OK 74010 | Oil & Gas Operator | May 1993 |
| 6610 | Cox Resources Corporation | Dallas, TX 75244 | Oil & Gas Operator | Mar 2015 |
| 6611 | Cox Robert L | Blackwell, OK 74631 | Oil & Gas Operator | Apr 2026 |
| 6612 | Cox, Gary L | | Oil Operator | Mar 2022 |
| 6613 | Cox, H. L. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jan 2011 |
| 6614 | Cox, John L. | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 6615 | Cox, Lee Investments Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Aug 2026 |
| 6616 | Cox, Martin Regan | Irving, TX 75014 | Oil & Gas Operator | Aug 2026 |
| 6617 | Cox, Robert G. & Associates,Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 1994 |
| 6618 | Cox, Wayne D. | Eureka, KS 67045 | Oil Operator | Sep 1991 |
| 6619 | Coy W. Hale | | Oil Operator | Nov 2024 |
| 6620 | Coyote Oil Company | Lufkin, TX 75915 | Oil & Gas Operator | Sep 1996 |
| 6621 | Coyote Oil Company. LTD. | | Oil & Gas Operator | Dec 1997 |
| 6622 | Coyote Oil LLC | | Oil Operator | Jan 2018 |
| 6623 | Coyote Oil, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Aug 2026 |
| 6624 | Coyote Operating, LLC | Graham, TX 76450 | Oil Operator | Aug 2026 |
| 6625 | Coyote Services, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2002 |
| 6626 | Cozart Producers | | Oil Operator | Dec 2025 |
| 6627 | CP Energy, LLC | Edmond, OK 73034 | Oil Operator | Jul 2025 |
| 6628 | CP Exploration III Operating,LLC | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2023 |
| 6629 | CP Exploration TX Operating LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2017 |
| 6630 | CPBG, LLC | | Oil Operator | Oct 2019 |
| 6631 | Cpi 5, L.L.C | | Oil Operator | Dec 2023 |
| 6632 | Cpi Operating Co. | | Oil & Gas Operator | Mar 2003 |
| 6633 | Cpi Operating Company, LLC | | Oil Operator | Jan 2025 |
| 6634 | Cpmak Investments, Inc. | Cross Plains, TX 76443 | Oil Operator | Aug 2026 |
| 6635 | CPRC Inc | Tulsa, OK 74103-5037 | Oil & Gas Operator | Apr 1997 |
| 6636 | CPRP Services LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Mar 2026 |
| 6637 | CPX Energy Operating, LLC | Fort Worth, TX 76147 | Oil & Gas Operator | Aug 2026 |
| 6638 | CR Energy | | Oil & Gas Operator | Dec 1992 |
| 6639 | CR Reed Production, Inc. | Gainesville, TX 76241 | Oil Operator | Aug 2026 |
| 6640 | CR2 Energy LLC | Kemah, TX 77565 | Oil & Gas Operator | Aug 2026 |
| 6641 | CR3 Operating Company, L.L.C. | Houston, TX 77251 | Oil & Gas Operator | Aug 2026 |
| 6642 | Cra International, LTD | | Oil & Gas Operator | Mar 1983 |
| 6643 | Cra-Gro Crop Service, Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2026 |
| 6644 | Crab Run Gas Company | | Oil & Gas Operator | Feb 1982 |
| 6645 | Crabtree And Brown, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Feb 1995 |
| 6646 | Crabtree Barbara T | Forney, TX 75126-5818 | Oil & Gas Operator | Oct 2024 |
| 6647 | Cracker Oil & Gas Co | | Gas Operator | Dec 2013 |
| 6648 | Craft & Craft Productions LLC | | Oil Operator | May 2025 |
| 6649 | Craft Operating NM LLC | Houston, TX 77057 | Oil Operator | Apr 2024 |
| 6650 | Craft Petroleum Company, Inc. Et Al | | Oil & Gas Operator | Mar 1997 |
| 6651 | Craft Resources, Inc. | Weston, TX 75097 | Oil & Gas Operator | Aug 2003 |
| 6652 | Craig Elder Oil And Gas LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 6653 | Craig Oil Compan | | Oil Operator | Jul 1996 |
| 6654 | Craig Oil Company | | Oil Operator | Dec 2019 |
| 6655 | Craig Oil, Inc. | Olney, TX 76374 | Oil Operator | Aug 2026 |
| 6656 | Craig, Bob | Olney, TX 76374 | Oil & Gas Operator | Aug 2026 |
| 6657 | Craig, Carl | Olney, TX 76374 | Oil & Gas Operator | Aug 2026 |
| 6658 | Craig, J. E. G. Estate | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2026 |
| 6659 | Craig, Robert A. | Olney, TX 76374 | Oil Operator | Aug 2026 |
| 6660 | Craig, Wood B Or Monroe, Dianne | Canyon, TX 79015 | Gas Operator | Aug 2026 |
| 6661 | Craig, Wood B. & Bettie | Sunray, TX 79086 | Oil & Gas Operator | Aug 2005 |
| 6662 | Craig-Stephfield | | Oil & Gas Operator | Jan 1994 |
| 6663 | Craig/Stephfield Oil & Gas, Inc. | Ponca City, OK 74602 | Oil & Gas Operator | Apr 2001 |
| 6664 | Craighead, Ray | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 6665 | Craighead, Ray Well Service Inc | Wichita Falls, TX 76308 | Oil Operator | Apr 2019 |
| 6666 | Craighead, Robert A. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 6667 | Crain & Deisenroth | Tulsa, OK 74103-4433 | Oil & Gas Operator | Mar 2015 |
| 6668 | Crain & Deisenroth LLC | Tulsa, OK 74104-6511 | Oil & Gas Operator | Apr 2014 |
| 6669 | Crain & Dore Production Co Inc | | Oil & Gas Operator | Oct 1990 |
| 6670 | Crain & Dore' | | Oil & Gas Operator | May 1986 |
| 6671 | Crain & Griffith DRL Co | | Oil Operator | Jun 1963 |
| 6672 | Crain Minerals LLC | Oklahoma City, OK 73120-1004 | Oil & Gas Operator | Aug 2014 |
| 6673 | Crain Orchards Inc. | | Gas Operator | Dec 2025 |
| 6674 | Cramer Oil Company | Denver, CO 80202 | Oil Operator | Aug 2012 |
| 6675 | Cramer Oil LLC | Nowata, OK 74048-6011 | Oil Operator | Apr 2026 |
| 6676 | Crampton, Freddie | Holliday, TX 76366 | Oil & Gas Operator | Aug 2026 |
| 6677 | Crane Edward | | Oil Operator | Feb 1995 |
| 6678 | Cranford Exploration, Inc. | | Oil & Gas Operator | Jul 2002 |
| 6679 | Cranford, Wayne | Electra, TX 76360 | Oil & Gas Operator | Dec 2019 |
| 6680 | Craruth Energy Corporation | Abilene, TX 79602 | Oil & Gas Operator | Aug 2026 |
| 6681 | Crasco Oil Company | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 6682 | Crater, Gary D. | Kansas City, MO 64108 | Oil & Gas Operator | Feb 1988 |
| 6683 | Craton Energy Company II LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2006 |
| 6684 | Craton Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2005 |
| 6685 | Craton Energy Holdings III, LP | Houston, TX 77002 | Oil & Gas Operator | Jul 2009 |
| 6686 | Craton Operating LLC | Bellaire, TX 77401 | Oil & Gas Operator | Aug 2026 |
| 6687 | Cravey, W. H. | Hobbs, NM 88240 | Oil & Gas Operator | Jan 2012 |
| 6688 | Craw Operating LLC | Mooreland, OK 73852 | Oil & Gas Operator | May 2026 |
| 6689 | Crawford And Cameron Group | Houston, TX 77074 | Oil & Gas Operator | May 1997 |
| 6690 | Crawford Arthur E Dba The Lazy Oil Co | | Oil Operator | Dec 2025 |
| 6691 | Crawford County Production LLC | | Oil Operator | Apr 2026 |
| 6692 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
| 6693 | Crawford Energy, Incorporated | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 6694 | Crawford Hughes Operating Co. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2026 |
| 6695 | Crawford Oil & W | | Oil Operator | Dec 1985 |
| 6696 | Crawford Oil Com | | Oil Operator | Dec 1987 |
| 6697 | Crawford Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2001 |
| 6698 | Crawford Oil LLC | Paola, KS 66071 | Oil Operator | Dec 2019 |
| 6699 | Crawford Production Company Inc | Junction City, AR 71749 | Oil & Gas Operator | Apr 2026 |
| 6700 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2026 |