| 5401 | Chaim Nathan & Edie Bato | | Oil & Gas Operator | Sep 2025 |
| 5402 | Chain Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 5403 | Chalice Petroleum Corporation | Dallas, TX 75202 | Oil & Gas Operator | May 1998 |
| 5404 | Chalk, Otis, Estate | Big Spring, TX 79721 | Oil & Gas Operator | Jan 2006 |
| 5405 | Chalker Energy Management II,LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2008 |
| 5406 | Chalker Energy Management,LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2006 |
| 5407 | Chalker Operating Inc. | Richmond, TX 77406 | Oil & Gas Operator | Jul 2016 |
| 5408 | Challenge Operating Inc | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 5409 | Challenger Energy SVCS Co., LLC | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 5410 | Challenger Exploration | | Oil Operator | Nov 2014 |
| 5411 | Challenger Minerals Inc. | | Oil & Gas Operator | Dec 1991 |
| 5412 | Challenger Point Energy, LLC | | Oil & Gas Operator | Oct 2025 |
| 5413 | Chalmers Exploration Company | Abilene, TX 79608 | Oil & Gas Operator | Apr 1997 |
| 5414 | Chalmers-Santa Fe LLC | | Oil & Gas Operator | Dec 2007 |
| 5415 | Chama Resources | Dallas, TX 75354 | Oil & Gas Operator | Apr 2009 |
| 5416 | Chamberlain Dba/Old South Oil | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 5417 | Chambers & Hendrix Oil & Gas | Skiatook, OK 74070-0726 | Oil & Gas Operator | Aug 2022 |
| 5418 | Chambers & Mouren | | Oil & Gas Operator | Oct 2025 |
| 5419 | Chambers Exploration Inc. | | Oil & Gas Operator | Dec 1986 |
| 5420 | Chambers Jerry | Denver, CO 80237 | Oil & Gas Operator | Dec 1993 |
| 5421 | Chambers Jerry Expl Co | | Oil & Gas Operator | Sep 2000 |
| 5422 | Chambers Operating, Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Mar 2006 |
| 5423 | Chambers, R. H. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2006 |
| 5424 | Chambers, R. H. LLC | Abilene, TX 79606 | Oil & Gas Operator | Dec 2025 |
| 5425 | Champ Oil Company | Hickory Creek, TX 75065 | Oil & Gas Operator | Dec 2020 |
| 5426 | Champ Operating Company | Dallas, TX 75208 | Oil & Gas Operator | Oct 2020 |
| 5427 | Champion Lone Star Operating,LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2020 |
| 5428 | Champion Petrole | | Oil Operator | Jan 1992 |
| 5429 | Champion Reserves-Cri Inc | Oklahoma City, OK 73123 | Oil & Gas Operator | Jun 1994 |
| 5430 | Champion-Park Gas Corporation | Warren, OH 44483 | Oil & Gas Operator | Dec 2023 |
| 5431 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Oct 2025 |
| 5432 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
| 5433 | Champlin SR., Bryan | Kennedy, NY 14747 | Gas Operator | Dec 2024 |
| 5434 | Chan West Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Dec 2025 |
| 5435 | Chanc West, Inc. | Iraan, TX 79744 | Oil & Gas Operator | Mar 1995 |
| 5436 | Chance Drilling Company | Commerce City, CO 80022 | Oil Operator | Sep 2009 |
| 5437 | Chance Energy Co. Inc. | Amarillo, TX 79114 | Oil & Gas Operator | Sep 1999 |
| 5438 | Chance Oil Co., Inc. | Vernon, TX 76385 | Oil & Gas Operator | Oct 2025 |
| 5439 | Chance Properties Co. | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 5440 | Chancellor & Dolezal | | Gas Operator | Apr 1992 |
| 5441 | Chancellor, Earl Sales Co., Inc. | Sweetwater, TX 79556 | Oil & Gas Operator | Dec 2025 |
| 5442 | Chandler & Associated Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1999 |
| 5443 | Chandler & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 1997 |
| 5444 | Chandler DJ Basin LLC | | Oil & Gas Operator | Dec 2007 |
| 5445 | Chandler Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2009 |
| 5446 | Chandler Oil & Gas, LLC | Beeville, TX 78102 | Oil & Gas Operator | Dec 2025 |
| 5447 | Chaney & Cogburn Roustabout Well Serv | Cement, OK 73017-0267 | Oil & Gas Operator | Mar 2015 |
| 5448 | Chaney Oil Company | Andrews, TX 79714 | Oil & Gas Operator | Dec 2025 |
| 5449 | Channa Operating, LLC | Houston, TX 77063 | Oil & Gas Operator | Jul 2021 |
| 5450 | Channel Exploration Company | | Oil & Gas Operator | Feb 1997 |
| 5451 | Channel Production Company | Marshall, TX 75670 | Oil & Gas Operator | Dec 2025 |
| 5452 | Chanse Energy Corporation | Shreveport, LA 71165-1572 | Oil & Gas Operator | Sep 2021 |
| 5453 | Chanse Petroleum Corporation | New York, NY 10165-1134 | Oil & Gas Operator | Feb 2015 |
| 5454 | Chantrey Corporation | Midland, TX 79707 | Gas Operator | Feb 2003 |
| 5455 | Chanze Oil Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 5456 | Chap Operating, Inc. | Knox City, TX 79529 | Oil & Gas Operator | Dec 2025 |
| 5457 | Chaparosa Production Company,Inc | Freer, TX 78357 | Oil & Gas Operator | Dec 2025 |
| 5458 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 5459 | Chaparral Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2009 |
| 5460 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2025 |
| 5461 | Chaparral Expl & C L Morris In | | Oil & Gas Operator | Nov 1994 |
| 5462 | Chaparral Exploration, Inc. | | Oil & Gas Operator | Jun 2000 |
| 5463 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 5464 | Chaparral Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Oct 2025 |
| 5465 | Chaparral Operating, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Dec 2025 |
| 5466 | Chaparral Petroleum Inc. | | Oil Operator | Sep 2025 |
| 5467 | Chaparral Resources Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 1996 |
| 5468 | Chaparral SWD | Eunice, NM 88231 | Oil Operator | Dec 1995 |
| 5469 | Chapco, Inc. | Benavides, TX 78341 | Oil & Gas Operator | Dec 2025 |
| 5470 | Chapel Operating LLC | Lone Grove, OK 73443 | Oil Operator | Sep 2025 |
| 5471 | Chapman Elise P Estate | | Oil & Gas Operator | Mar 2020 |
| 5472 | Chapman Energy O | | Oil & Gas Operator | Jun 1993 |
| 5473 | Chapman Energy Oklahoma Inc | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 5474 | Chapman Explorat | | Oil Operator | Feb 1988 |
| 5475 | Chapman Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2013 |
| 5476 | Chapman Gary W | MT Perry, OH 43760 | Oil Operator | Dec 2024 |
| 5477 | Chapman Jim | Bristow, OK 74010-1173 | Oil Operator | Apr 2021 |
| 5478 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 5479 | Chapman Resources Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 1999 |
| 5480 | Chapman, Ford Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 1996 |
| 5481 | Chapparal Operating Co. | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2025 |
| 5482 | Chapter Petroleum | Borger, TX 79008 | Oil & Gas Operator | Mar 1997 |
| 5483 | Chapter Petroleum, Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2001 |
| 5484 | Chardonnay Operating, Inc. | Olney, TX 76374 | Oil & Gas Operator | Dec 1996 |
| 5485 | Charger Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
| 5486 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
| 5487 | Charger Shale Oil Operating, LLC | Austin, TX 78704 | Oil & Gas Operator | Sep 2021 |
| 5488 | Charing Cross Properties | | Oil Operator | Aug 1995 |
| 5489 | Charis Energy Inc | Kerrville, TX 78029-0469 | Oil & Gas Operator | Dec 2015 |
| 5490 | Charis Energy LLC | Kerrville, TX 78029 | Oil & Gas Operator | Dec 2005 |
| 5491 | Charis Oil & Gas, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 5492 | Charity Gas, Inc. | Salem, WV 26426-5554 | Oil & Gas Operator | Dec 2021 |
| 5493 | Charles A. Bird, Estate | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 5494 | Charles A. O'Niell, Jr. | | Oil & Gas Operator | Apr 2001 |
| 5495 | Charles B Gillespie Jr | Midland, TX 79701 | Oil & Gas Operator | Jun 2001 |
| 5496 | Charles B. Bice | | Oil & Gas Operator | Jul 1983 |
| 5497 | Charles D. Self Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Dec 2025 |
| 5498 | Charles E. Mayfield | | Oil & Gas Operator | Mar 2001 |
| 5499 | Charles F. Word & Associates | | Oil Operator | Dec 1978 |
| 5500 | Charles G. Dannelly | | Oil & Gas Operator | Mar 1998 |