| 5501 | Channel Exploration Company | | Oil & Gas Operator | Feb 1997 |
| 5502 | Channel Production Company | Marshall, TX 75670 | Oil & Gas Operator | Apr 2025 |
| 5503 | Chanse Energy Corporation | Shreveport, LA 71165-1572 | Oil & Gas Operator | Sep 2021 |
| 5504 | Chanse Petroleum Corporation | New York, NY 10165-1134 | Oil & Gas Operator | Feb 2015 |
| 5505 | Chantrey Corporation | Midland, TX 79707 | Gas Operator | Feb 2003 |
| 5506 | Chanze Oil Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 5507 | Chap Operating, Inc. | Knox City, TX 79529 | Oil & Gas Operator | Apr 2025 |
| 5508 | Chaparosa Production Company,Inc | Freer, TX 78357 | Oil & Gas Operator | Apr 2025 |
| 5509 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
| 5510 | Chaparral Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2009 |
| 5511 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2025 |
| 5512 | Chaparral Expl & C L Morris In | | Oil & Gas Operator | Nov 1994 |
| 5513 | Chaparral Exploration, Inc. | | Oil & Gas Operator | Jun 2000 |
| 5514 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 5515 | Chaparral Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Feb 2025 |
| 5516 | Chaparral Operating, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Apr 2025 |
| 5517 | Chaparral Petroleum Inc. | | Oil Operator | Dec 2024 |
| 5518 | Chaparral Resources Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 1996 |
| 5519 | Chaparral SWD | Eunice, NM 88231 | Oil Operator | Dec 1995 |
| 5520 | Chapco, Inc. | Benavides, TX 78341 | Oil & Gas Operator | Apr 2025 |
| 5521 | Chapel Operating LLC | Lone Grove, OK 73443 | Oil Operator | Dec 2024 |
| 5522 | Chapman Elise P Estate | | Oil & Gas Operator | Mar 2020 |
| 5523 | Chapman Energy O | | Oil & Gas Operator | Jun 1993 |
| 5524 | Chapman Energy Oklahoma, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 5525 | Chapman Explorat | | Oil Operator | Feb 1988 |
| 5526 | Chapman Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2013 |
| 5527 | Chapman Gary W | MT Perry, OH 43760 | Oil Operator | Dec 2023 |
| 5528 | Chapman Jim | Bristow, OK 74010-1173 | Oil Operator | Apr 2021 |
| 5529 | Chapman Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2025 |
| 5530 | Chapman Resources Corporation | Dallas, TX 75231 | Oil & Gas Operator | May 1999 |
| 5531 | Chapman, Ford Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jan 1996 |
| 5532 | Chapparal Operating Co. | Fort Worth, TX 76121 | Oil & Gas Operator | Apr 2025 |
| 5533 | Chapter Petroleum | Borger, TX 79008 | Oil & Gas Operator | Mar 1997 |
| 5534 | Chapter Petroleum, Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2001 |
| 5535 | Chardonnay Operating, Inc. | Olney, TX 76374 | Oil & Gas Operator | Dec 1996 |
| 5536 | Charger Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
| 5537 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
| 5538 | Charger Shale Oil Operating, LLC | Austin, TX 78704 | Oil & Gas Operator | Sep 2021 |
| 5539 | Charing Cross Properties | | Oil Operator | Aug 1995 |
| 5540 | Charis Energy Inc | Kerrville, TX 78029-0469 | Oil & Gas Operator | Dec 2015 |
| 5541 | Charis Energy LLC | Kerrville, TX 78029 | Oil & Gas Operator | Dec 2005 |
| 5542 | Charis Oil & Gas, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2025 |
| 5543 | Charity Gas, Inc. | Salem, WV 26426-5554 | Oil & Gas Operator | Dec 2021 |
| 5544 | Charles A. Bird, Estate | Midland, TX 79702 | Oil & Gas Operator | Feb 2015 |
| 5545 | Charles A. O'Niell, Jr. | | Oil & Gas Operator | Apr 2001 |
| 5546 | Charles B Gillespie Jr | Midland, TX 79701 | Oil & Gas Operator | Jun 2001 |
| 5547 | Charles B. Bice | | Oil & Gas Operator | Jul 1983 |
| 5548 | Charles D. Self Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 5549 | Charles E. Mayfield | | Oil & Gas Operator | Mar 2001 |
| 5550 | Charles F. Word & Associates | | Oil Operator | Dec 1978 |
| 5551 | Charles G. Dannelly | | Oil & Gas Operator | Mar 1998 |
| 5552 | Charles Holston, Inc. | | Oil Operator | Jan 2025 |
| 5553 | Charles Holston, Inc. Dba GTTS | | Oil Operator | Apr 2009 |
| 5554 | Charles J Kittrell | Hobbs, NM 88241 | Oil & Gas Operator | Oct 1997 |
| 5555 | Charles M. Nolan | | Oil Operator | Aug 1984 |
| 5556 | Charles P Dunning LLC | | Oil & Gas Operator | Dec 2024 |
| 5557 | Charles T Giewont | Edinboro, PA 16412-5415 | Gas Operator | Dec 2009 |
| 5558 | Charles W Kemp | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2000 |
| 5559 | Charles W. Hinesley | | Oil & Gas Operator | Dec 1991 |
| 5560 | Charleston Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1997 |
| 5561 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 5562 | Charoil Co., J. Norm And Charlotte Sibley Dba | Roundup, MT 59072 | Oil Operator | Oct 2002 |
| 5563 | Charro Operating LLC | Englewood, CO 80112 | Oil & Gas Operator | Apr 2025 |
| 5564 | Charter Energy, Inc. | Great Bend, KS 67530 | Oil Operator | Dec 2024 |
| 5565 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2025 |
| 5566 | Charter Petroleum Company | Abilene, TX 79605 | Oil & Gas Operator | Apr 2025 |
| 5567 | Charter Producti | | Oil & Gas Operator | Jun 1994 |
| 5568 | Charter Production Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2018 |
| 5569 | Charter Services LLC | Cushing, OK 74023 | Oil Operator | Feb 2025 |
| 5570 | Chartex Petroleum Company | Houston, TX 77070 | Oil & Gas Operator | Aug 2000 |
| 5571 | Chase Avenue Corporation, The | Dallas, TX 75219 | Oil & Gas Operator | Jun 2003 |
| 5572 | Chase Energy, Inc. | Austin, TX 78763 | Oil & Gas Operator | Oct 2001 |
| 5573 | Chase Exploratio | | Oil Operator | Sep 1992 |
| 5574 | Chase Oil & Gas Inc C-O Triad | | Oil & Gas Operator | Mar 1993 |
| 5575 | Chase Operating Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2016 |
| 5576 | Chase Petroleum, Inc. | Glenville, WV 26351-1026 | Oil & Gas Operator | Dec 2021 |
| 5577 | Chase Production Company | Pampa, TX 79066 | Oil & Gas Operator | Apr 2025 |
| 5578 | Chase Well Servi | | Oil Operator | Jun 1989 |
| 5579 | Chase Well Service, Inc. | Great Bend, KS 67530 | Oil Operator | Mar 2004 |
| 5580 | Chase, Glen Drilling | Chanute, KS 66720 | Oil Operator | Jul 1996 |
| 5581 | Chase, Michael | Chanute, KS 66720 | Oil Operator | Mar 1999 |
| 5582 | Chase, Ronald E. II | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 5583 | Chasla Energy, LLC | Iowa Park, TX 76367 | Oil Operator | Apr 2025 |
| 5584 | Chass Production Co. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2020 |
| 5585 | Chastain Diane | Coffeyville, KS 67337-9620 | Oil & Gas Operator | Feb 2015 |
| 5586 | Chastain Farms LLC | Guthrie, KY 42234 | Oil & Gas Operator | Mar 2020 |
| 5587 | Chastain Land & Energy LLC | Wetumka, OK 74883-0067 | Oil & Gas Operator | Sep 2017 |
| 5588 | Chateau Oil And Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2017 |
| 5589 | Chatham John | Wilson, OK 73463-9575 | Oil Operator | Feb 2014 |
| 5590 | Chatham Verdell | Ratliff City, OK 73081-0061 | Oil Operator | Oct 2009 |
| 5591 | Chatham VIckie R | Wilson, OK 73463-6510 | Oil Operator | Dec 2024 |
| 5592 | Chatham, Maxine | | Oil Operator | Oct 2016 |
| 5593 | Chautauqua County Division Of Solid Waste | Jamestown, NY 14701 | Gas Operator | Dec 2023 |
| 5594 | Chautauqua Energy Inc | Westfield, NY 14787 | Oil & Gas Operator | Dec 2021 |
| 5595 | Chautauqua Hills Ministries, Inc. | Gerry, NY 14740 | Gas Operator | Dec 2023 |
| 5596 | Chautauqua Hilltop Organic, LLC | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 5597 | Chautauqua Inns, LTD. | Mayville, NY 14757 | Gas Operator | Dec 2023 |
| 5598 | Chautauqua Oil And Gas LLC | Tulsa, OK 74145 | Oil & Gas Operator | Nov 2024 |
| 5599 | Chaveroo Operating Co Inc | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1997 |
| 5600 | CHB Interests, LLC | Kilgore, TX 75663 | Oil Operator | Oct 2011 |