| 5401 | Cherokee Oil | | Oil Operator | May 2026 |
| 5402 | Cherokee Oil Production Inc | Wichita, KS 67230 | Oil & Gas Operator | Jan 1997 |
| 5403 | Cherokee Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 5404 | Cherokee Production Corp. | Greenville, TX 75401 | Oil & Gas Operator | Sep 2026 |
| 5405 | Cherokee Production LLC | Goliad, TX 77963 | Oil Operator | Sep 2026 |
| 5406 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 5407 | Cherokee Royalties & Minerals Inc | Duncan, OK 73533 | Oil & Gas Operator | Jul 2026 |
| 5408 | Cherokee Valley | | Oil Operator | May 1993 |
| 5409 | Cherokee Wells LLC | Fredonia, KS 66736 | Oil & Gas Operator | May 2026 |
| 5410 | Cherokeenrg LLC | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2019 |
| 5411 | Cherry Oil & Gas | Luling, TX 78648 | Oil & Gas Operator | Dec 2000 |
| 5412 | Cherry Oil & Gas, Inc | | Oil & Gas Operator | Dec 2024 |
| 5413 | Cherry, Charles L. & Assoc., Inc. | | Oil & Gas Operator | Oct 1989 |
| 5414 | Cherry, William H., Inc. | Oklahoma City, OK 73125 | Oil & Gas Operator | Mar 2015 |
| 5415 | Cherryvale Gas Co. | Cherryvale, KS 67335 | Oil Operator | Jan 2002 |
| 5416 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 5417 | Chesapeake Energy | | Oil & Gas Operator | Dec 2009 |
| 5418 | Chesapeake Energy Ma | | Gas Operator | Jun 2016 |
| 5419 | Chesapeake Energy Marketing, Inc. | | Oil & Gas Operator | May 2026 |
| 5420 | Chesapeake Exploration LLC | Oklahoma City, OK 731540496 | Oil & Gas Operator | Jul 2020 |
| 5421 | Chesapeake Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2026 |
| 5422 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2026 |
| 5423 | Chesapeake Permian LP | Oklahoma City, OK 73118-1044 | Oil & Gas Operator | Feb 2015 |
| 5424 | Chesher Oil Company | Holliday, TX 76366 | Oil Operator | Sep 2026 |
| 5425 | Chesher, Robert | Holliday, TX 76366 | Oil & Gas Operator | Dec 1995 |
| 5426 | Chesna, Bernard | Alden, NY 14004 | Gas Operator | Dec 2025 |
| 5427 | Chesney Marilyn | | Oil Operator | Jul 1987 |
| 5428 | Chesney Oil Comp | | Oil Operator | Sep 1989 |
| 5429 | Chesnut Oil And Gas, Inc. | Corpus Christ, TX 78412 | Oil & Gas Operator | Sep 2026 |
| 5430 | Chesnutt Oil & Gas, Inc. | Mineral, TX 78125 | Oil & Gas Operator | Sep 2026 |
| 5431 | Chessher, Otto Drilling Company | Kearney, MO 64060 | Oil & Gas Operator | Dec 2013 |
| 5432 | Chester F. Dolley | | Oil & Gas Operator | Dec 1986 |
| 5433 | Chester Floyd | | Oil Operator | Feb 1996 |
| 5434 | Chester Oil Company | Wetumka, OK 74883-6227 | Oil & Gas Operator | Jul 2026 |
| 5435 | Chestnut Explor. And Prod., Inc. | Dallas, TX 75208 | Oil & Gas Operator | Sep 2026 |
| 5436 | Chestnut Exploration And Production, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2020 |
| 5437 | Chestnut Mountain Energy, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2026 |
| 5438 | Chestnut Oil LLC | Clarendon, PA 16313-2001 | Oil & Gas Operator | Dec 2022 |
| 5439 | Chestnut Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 5440 | Chestnut Petroleum, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Nov 2011 |
| 5441 | Chestnut Production Company | Towanda, KS 67144 | Oil Operator | Jan 1999 |
| 5442 | Chestnut Ridge Energy Of Pa LLC | | Gas Operator | Dec 2025 |
| 5443 | Chestnut Ridge Storage LLC | San Diego, CA 92130 | Gas Operator | Dec 2025 |
| 5444 | Chevron Appalachia, LLC | Corapolis, PA 15108 | Oil & Gas Operator | Jul 2020 |
| 5445 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 5446 | Chevron Oil Company | | Oil & Gas Operator | Dec 1983 |
| 5447 | Chevron Pipe Line Company | Houston, TX 77001 | Oil Operator | Feb 2015 |
| 5448 | Chevron U S A In | | Oil & Gas Operator | Sep 2000 |
| 5449 | Chevron U. S. A., Inc. -Ca | | Oil & Gas Operator | Jan 2000 |
| 5450 | Chevron U. S. A., Inc. -TX | | Oil & Gas Operator | Dec 2004 |
| 5451 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 5452 | Chew Bill Incorp | | Oil & Gas Operator | Mar 1994 |
| 5453 | Chew, Bill, Inc. | Hutchinson, KS 67502 | Oil Operator | Sep 2002 |
| 5454 | Chew-Coast & Sons | Bartlesville, OK 74006-0407 | Gas Operator | Dec 2012 |
| 5455 | Cheyenne Explora | | Oil Operator | Jun 1983 |
| 5456 | Cheyenne Minerals, Inc. | Houston, TX 77030 | Oil & Gas Operator | Jun 2001 |
| 5457 | Cheyenne Oil Services, Inc. | Ness City, KS 67560 | Oil Operator | Nov 2023 |
| 5458 | Cheyenne Petroleum Company | Oklahoma City, OK 73134 | Oil & Gas Operator | Sep 2026 |
| 5459 | Cheyenne River LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2018 |
| 5460 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 5461 | Chica Oil Company | Lago VIsta, TX 78645-6561 | Oil & Gas Operator | Mar 2001 |
| 5462 | Chicken Coop, Inc., The | Hondo, TX 78861 | Oil & Gas Operator | Jan 2015 |
| 5463 | Chico Production Corp. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2026 |
| 5464 | Chief Drilling C | | Oil & Gas Operator | Feb 1995 |
| 5465 | Chief Drilling Company | | Oil Operator | Jun 1985 |
| 5466 | Chief Drilling, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Sep 1997 |
| 5467 | Chief Oil & Gas LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2022 |
| 5468 | Chief Operating Company | Houston, TX 77070 | Oil & Gas Operator | Feb 2004 |
| 5469 | Chief Operating LLC | Dallas, TX 75225 | Gas Operator | Mar 2009 |
| 5470 | Chief Petroleum Company | Dallas, TX 75244 | Oil & Gas Operator | Jul 1997 |
| 5471 | Chief Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 1995 |
| 5472 | Chieftain Oil Co Inc | Kiowa, KS 67070 | Oil & Gas Operator | Jul 2026 |
| 5473 | Childers, J. C. | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 5474 | Chiles Jack Well Service | Atwood, OK 74827-0373 | Oil Operator | Apr 2014 |
| 5475 | Chiles Oil Field Supply | | Oil & Gas Operator | Jan 2025 |
| 5476 | Chiles Robert Morris | Allen, OK 74825 | Oil Operator | Jun 2026 |
| 5477 | Chiltipin Production Company | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Sep 2026 |
| 5478 | Chilton Energy | Corpus Christ, TX 78401 | Oil & Gas Operator | Sep 2006 |
| 5479 | China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Jun 2010 |
| 5480 | Chinn Exploration Company | Longview, TX 75605 | Oil & Gas Operator | Nov 2015 |
| 5481 | Chinn, Larry A | | Oil & Gas Operator | Jun 2026 |
| 5482 | Chinn, Larry E | | Oil & Gas Operator | Jun 2026 |
| 5483 | Chinn, Velma D | | Oil Operator | Mar 2015 |
| 5484 | Chinook Energy C | | Oil Operator | Jul 1991 |
| 5485 | Chiodo Corp. | San Antonio, TX 78232 | Oil & Gas Operator | Sep 2026 |
| 5486 | Chipcore LLC | Casper, WY 82601 | Oil & Gas Operator | Jul 2026 |
| 5487 | Chipmunk'S Oil & Gas Lease Oper., Inc. | Copan, OK 74022 | Oil Operator | Dec 1996 |
| 5488 | Chipper Energy LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2025 |
| 5489 | Chippewa Cree Tribe | | Gas Operator | Jun 2026 |
| 5490 | Chippewa Oil & Gas Inc | Douglas, WY 82633 | Oil & Gas Operator | Jan 1985 |
| 5491 | Chisholm Energy Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2022 |
| 5492 | Chisholm Exploration | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 5493 | Chisholm Oil & Gas, LC | Buda, TX 78610 | Oil & Gas Operator | Sep 2026 |
| 5494 | Chisholm Oil And Gas Operating LLC | Tulsa, OK 74103-3522 | Oil & Gas Operator | Jul 2026 |
| 5495 | Chisholm Oil Investments | Seabrook, TX 77586 | Oil & Gas Operator | Sep 2026 |
| 5496 | Chisholm Operating LLC | Oklahoma City, OK 73101-1502 | Oil & Gas Operator | Dec 2017 |
| 5497 | Chisholm Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Sep 2026 |
| 5498 | Chisholm Trail Energy Ops, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jul 2026 |
| 5499 | Chisler Brothers Contracting Limited Liability Company | Pentress, WV 265440000 | Oil & Gas Operator | Dec 2021 |
| 5500 | Chisler, F. M. | Clemmons, NC 27012 | Oil & Gas Operator | Jul 2021 |