| 5601 | Chesher Oil Company | Holliday, TX 76366 | Oil Operator | Dec 2025 |
| 5602 | Chesher, Robert | Holliday, TX 76366 | Oil & Gas Operator | Dec 1995 |
| 5603 | Chesna, Bernard | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 5604 | Chesney Marilyn | | Oil Operator | Jul 1987 |
| 5605 | Chesney Oil Comp | | Oil Operator | Sep 1989 |
| 5606 | Chesnut Oil And Gas, Inc. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Dec 2025 |
| 5607 | Chesnutt Oil & Gas, Inc. | Mineral, TX 78125 | Oil & Gas Operator | Dec 2025 |
| 5608 | Chessher, Otto Drilling Company | Kearney, MO 64060 | Oil & Gas Operator | Dec 2013 |
| 5609 | Chester F. Dolley | | Oil & Gas Operator | Dec 1986 |
| 5610 | Chester Floyd | | Oil Operator | Feb 1996 |
| 5611 | Chester Oil Company | Wetumka, OK 74883-6227 | Oil & Gas Operator | Oct 2025 |
| 5612 | Chestnut Explor. And Prod., Inc. | Dallas, TX 75208 | Oil & Gas Operator | Dec 2025 |
| 5613 | Chestnut Exploration And Production, Inc | Richardson, TX 78081 | Oil & Gas Operator | Nov 2020 |
| 5614 | Chestnut Mountain Energy, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Dec 2025 |
| 5615 | Chestnut Oil LLC | Clarendon, PA 16313-2001 | Oil & Gas Operator | Dec 2022 |
| 5616 | Chestnut Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 5617 | Chestnut Petroleum, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Nov 2011 |
| 5618 | Chestnut Production Company | Towanda, KS 67144 | Oil Operator | Jan 1999 |
| 5619 | Chestnut Ridge Energy Of Pa LLC | Mineral Point, PA 15942-4411 | Gas Operator | Dec 2024 |
| 5620 | Chestnut Ridge Storage LLC | San Diego, CA 92121-1008 | Gas Operator | Dec 2019 |
| 5621 | Chevron Appalachia, LLC | Corapolis, PA 15108 | Oil & Gas Operator | Jul 2020 |
| 5622 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 5623 | Chevron Oil Company | | Oil & Gas Operator | Dec 1983 |
| 5624 | Chevron Pipe Line Company | Houston, TX 77001 | Oil Operator | Feb 2015 |
| 5625 | Chevron U S A In | | Oil & Gas Operator | Sep 2000 |
| 5626 | Chevron U. S. A., Inc. -Ca | | Oil & Gas Operator | Jan 2000 |
| 5627 | Chevron U. S. A., Inc. -TX | | Oil & Gas Operator | Dec 2004 |
| 5628 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 5629 | Chew Bill Incorp | | Oil & Gas Operator | Mar 1994 |
| 5630 | Chew, Bill, Inc. | Hutchinson, KS 67502 | Oil Operator | Sep 2002 |
| 5631 | Chew-Coast & Sons | Bartlesville, OK 74006-0407 | Gas Operator | Dec 2012 |
| 5632 | Cheyenne Explora | | Oil Operator | Jun 1983 |
| 5633 | Cheyenne Minerals, Inc. | Houston, TX 77030 | Oil & Gas Operator | Jun 2001 |
| 5634 | Cheyenne Oil Services, Inc. | Ness City, KS 67560 | Oil Operator | Nov 2023 |
| 5635 | Cheyenne Petroleum Company | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 5636 | Cheyenne River LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2018 |
| 5637 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 5638 | Chica Oil Company | Lago VIsta, TX 78645-6561 | Oil & Gas Operator | Mar 2001 |
| 5639 | Chicken Coop, Inc., The | Hondo, TX 78861 | Oil & Gas Operator | Jan 2015 |
| 5640 | Chico Production Corp. | Bowie, TX 76230 | Oil & Gas Operator | Dec 2025 |
| 5641 | Chief Drilling C | | Oil & Gas Operator | Feb 1995 |
| 5642 | Chief Drilling Company | | Oil Operator | Jun 1985 |
| 5643 | Chief Drilling, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Sep 1997 |
| 5644 | Chief Oil & Gas LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2022 |
| 5645 | Chief Operating Company | Houston, TX 77070 | Oil & Gas Operator | Feb 2004 |
| 5646 | Chief Operating LLC | Dallas, TX 75225 | Gas Operator | Mar 2009 |
| 5647 | Chief Petroleum Company | Dallas, TX 75244 | Oil & Gas Operator | Jul 1997 |
| 5648 | Chief Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 1995 |
| 5649 | Chieftain Oil Co Inc | Kiowa, KS 67070 | Oil & Gas Operator | Oct 2025 |
| 5650 | Childers, J. C. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 5651 | Chiles Jack Well Service | Atwood, OK 74827-0373 | Oil Operator | Apr 2014 |
| 5652 | Chiles Oil Field Supply | | Oil & Gas Operator | Jan 2025 |
| 5653 | Chiles Robert Morris | Allen, OK 74825 | Oil Operator | Aug 2025 |
| 5654 | Chiltipin Production Company | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Dec 2025 |
| 5655 | Chilton Energy | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Sep 2006 |
| 5656 | China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Jun 2010 |
| 5657 | Chinn Exploration Company | Longview, TX 75605 | Oil & Gas Operator | Nov 2015 |
| 5658 | Chinn, Larry A | | Oil & Gas Operator | Aug 2025 |
| 5659 | Chinn, Larry E | | Oil & Gas Operator | Aug 2025 |
| 5660 | Chinn, Velma D | | Oil Operator | Mar 2015 |
| 5661 | Chinook Energy C | | Oil Operator | Jul 1991 |
| 5662 | Chiodo Corp. | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2025 |
| 5663 | Chipcore LLC | Casper, WY 82601 | Oil & Gas Operator | Oct 2025 |
| 5664 | Chiplis Charles T SR | Indiana, PA 15701-2162 | Gas Operator | Dec 2024 |
| 5665 | Chipmunk'S Oil & Gas Lease Oper., Inc. | Copan, OK 74022 | Oil Operator | Dec 1996 |
| 5666 | Chipper Energy LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2024 |
| 5667 | Chippewa Cree Tribe | | Gas Operator | Sep 2025 |
| 5668 | Chippewa Oil & Gas Inc | Douglas, WY 82633 | Oil & Gas Operator | Jan 1985 |
| 5669 | Chisholm Energy Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2022 |
| 5670 | Chisholm Exploration | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 5671 | Chisholm Oil & Gas, LC | Buda, TX 78610 | Oil & Gas Operator | Dec 2025 |
| 5672 | Chisholm Oil And Gas Operating LLC | Tulsa, OK 74103-3522 | Oil & Gas Operator | Oct 2025 |
| 5673 | Chisholm Oil Investments | Seabrook, TX 77586 | Oil & Gas Operator | Dec 2025 |
| 5674 | Chisholm Operating LLC | Oklahoma City, OK 73101-1502 | Oil & Gas Operator | Dec 2017 |
| 5675 | Chisholm Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Dec 2025 |
| 5676 | Chisholm Trail Resources Inc | Hennessey, OK 73742 | Oil & Gas Operator | Nov 2002 |
| 5677 | Chisler Brothers Contracting Limited Liability Company | Pentress, WV 26544-0000 | Oil & Gas Operator | Dec 2021 |
| 5678 | Chisler, F. M. | Clemmons, NC 27012 | Oil & Gas Operator | Jul 2021 |
| 5679 | Chisos Exploration Inc | Enid, OK 73703 | Oil & Gas Operator | Dec 2004 |
| 5680 | Chisos Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 5681 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Dec 2025 |
| 5682 | Chisum G H | Duncan, OK 73533 | Oil & Gas Operator | Dec 2010 |
| 5683 | Chisum Oil & Gas, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Jun 2025 |
| 5684 | Chisum Resources | Shallowater, TX 79363 | Oil Operator | Dec 2025 |
| 5685 | Chital Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2000 |
| 5686 | Chittim Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2025 |
| 5687 | Chizum Oil LLC | Wichita, KS 67211 | Oil & Gas Operator | Oct 2025 |
| 5688 | Chmelar, Eugene Oil & Gas | Caldwell, TX 77836 | Oil & Gas Operator | Dec 2025 |
| 5689 | Choate Kenny Dba Rebound Oil Co | Helena, OK 73741-0543 | Gas Operator | Oct 2025 |
| 5690 | Chockley Energy LLC | Beaver, OK 73932 | Gas Operator | Oct 2025 |
| 5691 | Choctaw Gas Company | Quinton, OK 74561 | Gas Operator | Sep 2025 |
| 5692 | Choctaw Holdings, Inc. | | Oil Operator | Dec 1974 |
| 5693 | Choctaw II Oil & Gas, LTD. | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
| 5694 | Choctaw Resources, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Dec 2019 |
| 5695 | Choice Exploration, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2025 |
| 5696 | Cholla Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 5697 | Cholla Production LLC | Littleton, CO 80127 | Oil & Gas Operator | Jun 2025 |
| 5698 | Cholla Resources | | Oil Operator | Oct 1995 |
| 5699 | Cholla Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 1997 |
| 5700 | Chooch Incorpora | | Gas Operator | Dec 1994 |