| 5501 | Charles Holston, Inc. | | Oil Operator | Jan 2025 |
| 5502 | Charles Holston, Inc. Dba GTTS | | Oil Operator | Apr 2009 |
| 5503 | Charles J Kittrell | Hobbs, NM 88241 | Oil & Gas Operator | Oct 1997 |
| 5504 | Charles M. Nolan | | Oil Operator | Aug 1984 |
| 5505 | Charles P Dunning LLC | | Oil & Gas Operator | Sep 2025 |
| 5506 | Charles T Giewont | Edinboro, PA 16412-5415 | Gas Operator | Dec 2009 |
| 5507 | Charles W Kemp | Hobbs, NM 88240 | Oil & Gas Operator | Mar 2000 |
| 5508 | Charles W. Hinesley | | Oil & Gas Operator | Dec 1991 |
| 5509 | Charleston Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1997 |
| 5510 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 5511 | Charoil Co., J. Norm And Charlotte Sibley Dba | Roundup, MT 59072 | Oil Operator | Oct 2002 |
| 5512 | Charolais Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 5513 | Charro Operating, L.L.C. | Englewood, CO 80112 | Oil & Gas Operator | Dec 2025 |
| 5514 | Charter Energy, Inc. | Great Bend, KS 67530 | Oil Operator | Jun 2025 |
| 5515 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 5516 | Charter Petroleum Company | Abilene, TX 79605 | Oil & Gas Operator | Dec 2025 |
| 5517 | Charter Producti | | Oil & Gas Operator | Jun 1994 |
| 5518 | Charter Production Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2018 |
| 5519 | Charter Services LLC | Cushing, OK 74023 | Oil Operator | Oct 2025 |
| 5520 | Chartex Petroleum Company | Houston, TX 77070 | Oil & Gas Operator | Aug 2000 |
| 5521 | Chase Avenue Corporation, The | Dallas, TX 75219 | Oil & Gas Operator | Jun 2003 |
| 5522 | Chase Energy, Inc. | Austin, TX 78763 | Oil & Gas Operator | Oct 2001 |
| 5523 | Chase Exploratio | | Oil Operator | Sep 1992 |
| 5524 | Chase Oil & Gas Inc C-O Triad | | Oil & Gas Operator | Mar 1993 |
| 5525 | Chase Operating Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2016 |
| 5526 | Chase Petroleum, Inc. | Glenville, WV 26351-1026 | Oil & Gas Operator | Dec 2021 |
| 5527 | Chase Production Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2025 |
| 5528 | Chase Well Servi | | Oil Operator | Jun 1989 |
| 5529 | Chase Well Service, Inc. | Great Bend, KS 67530 | Oil Operator | Mar 2004 |
| 5530 | Chase, Glen Drilling | Chanute, KS 66720 | Oil Operator | Jul 1996 |
| 5531 | Chase, Michael | Chanute, KS 66720 | Oil Operator | Mar 1999 |
| 5532 | Chase, Ronald E. II | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 5533 | Chasla Energy, LLC | Iowa Park, TX 76367 | Oil Operator | Dec 2025 |
| 5534 | Chass Production Co. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2020 |
| 5535 | Chastain Diane | Coffeyville, KS 67337-9620 | Oil & Gas Operator | Feb 2015 |
| 5536 | Chastain Farms LLC | Guthrie, KY 42234 | Oil & Gas Operator | Mar 2020 |
| 5537 | Chastain Land & Energy LLC | Wetumka, OK 74883-0067 | Oil & Gas Operator | Sep 2017 |
| 5538 | Chateau Oil And Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2017 |
| 5539 | Chatham John | Wilson, OK 73463-9575 | Oil Operator | Feb 2014 |
| 5540 | Chatham Verdell | Ratliff City, OK 73081-0061 | Oil Operator | Oct 2009 |
| 5541 | Chatham VIckie R | Wilson, OK 73463 | Oil Operator | Oct 2025 |
| 5542 | Chatham, Maxine | | Oil Operator | Oct 2016 |
| 5543 | Chautauqua Energy Inc | Westfield, NY 14787 | Oil & Gas Operator | Dec 2020 |
| 5544 | Chautauqua Hills Ministries, Inc. | Gerry, NY 14740 | Gas Operator | Dec 2024 |
| 5545 | Chautauqua Hilltop Organic, LLC | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 5546 | Chautauqua Inns, LTD. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 5547 | Chautauqua Oil And Gas LLC | Tulsa, OK 74145 | Oil & Gas Operator | Jun 2025 |
| 5548 | Chaveroo Operating Co Inc | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1997 |
| 5549 | CHB Interests, LLC | Kilgore, TX 75663 | Oil Operator | Oct 2011 |
| 5550 | CHB Investments | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2004 |
| 5551 | CHC Energy, LLC | | Gas Operator | Nov 2012 |
| 5552 | CHC III Paola Energy, LLC | | Oil Operator | Jun 2025 |
| 5553 | Cheatham Well Service, Inc. | Luling, TX 78648 | Oil Operator | Dec 2025 |
| 5554 | Cheatham, Joe R. Oil Co. | Lockhart, TX 78644 | Oil & Gas Operator | Dec 2018 |
| 5555 | Cheatham, W. C. | Olney, TX 76374 | Oil & Gas Operator | Feb 2002 |
| 5556 | Cheektowaga-Maryvale Union Free School District | Cheektowaga, NY 14225 | Gas Operator | Dec 2024 |
| 5557 | Cheetah Investments, Inc. | Winters, TX 79567 | Oil & Gas Operator | Dec 2025 |
| 5558 | Cheetah Oil Inc | Casper, WY 82602 | Oil & Gas Operator | Dec 2007 |
| 5559 | Chek Oil Co. | Midland, TX 79708 | Oil & Gas Operator | May 2019 |
| 5560 | Chek Oil Co., LLC | Midland, TX 79704 | Oil Operator | Dec 2025 |
| 5561 | Chelin LLC | Cut Bank, MT 59427 | Oil & Gas Operator | Aug 2025 |
| 5562 | Chemassist L.L.C. | | Oil & Gas Operator | Sep 2025 |
| 5563 | Chemco Inc | | Oil & Gas Operator | Sep 2023 |
| 5564 | Chemical Bioteck Solutions LLC | | Oil Operator | Sep 2021 |
| 5565 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
| 5566 | Chen K Wendell | Arlington, TX 76016-2555 | Oil & Gas Operator | Mar 2015 |
| 5567 | Chenango Oil And Gas Co. | Groves, TX 77619 | Oil & Gas Operator | Dec 2025 |
| 5568 | Chenhall Billy J | Haskell, OK 74436-8733 | Oil & Gas Operator | Sep 2015 |
| 5569 | Cheniere Petroleum Corporation | | Oil & Gas Operator | Feb 1989 |
| 5570 | Chenoweth, Dean | Haviland, KS 67059 | Oil Operator | Jun 1994 |
| 5571 | Chenoweth, Grover | Marble Falls, TX 78654 | Oil & Gas Operator | Dec 2024 |
| 5572 | Cher Oil Company LTD | Ripley, OK 74062 | Oil & Gas Operator | Oct 2025 |
| 5573 | Cherco Properties, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Nov 1999 |
| 5574 | Chermac Energy Corporation | Edmond, OK 73083 | Oil & Gas Operator | Apr 2020 |
| 5575 | Cherokee Basin Pipeline LLC | Mason, MI 48854 | Gas Operator | Jun 2025 |
| 5576 | Cherokee DRLG. & Dev. Corp. | Winnetka, IL 60093 | Oil & Gas Operator | Jan 2003 |
| 5577 | Cherokee Energy | | Oil & Gas Operator | Oct 1988 |
| 5578 | Cherokee Oil | | Oil Operator | Jun 2025 |
| 5579 | Cherokee Oil Production Inc | Wichita, KS 67230 | Oil & Gas Operator | Jan 1997 |
| 5580 | Cherokee Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 5581 | Cherokee Production Corp. | Greenville, TX 75401 | Oil & Gas Operator | Dec 2025 |
| 5582 | Cherokee Production LLC | Goliad, TX 77963 | Oil Operator | Dec 2025 |
| 5583 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 5584 | Cherokee Royalties & Minerals Inc | Duncan, OK 73533 | Oil & Gas Operator | Sep 2025 |
| 5585 | Cherokee Valley | | Oil Operator | May 1993 |
| 5586 | Cherokee Wells LLC | Fredonia, KS 66736 | Oil & Gas Operator | Jun 2025 |
| 5587 | Cherokeenrg LLC | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2019 |
| 5588 | Cherry Oil & Gas | Luling, TX 78648 | Oil & Gas Operator | Dec 2000 |
| 5589 | Cherry Oil & Gas, Inc | | Oil & Gas Operator | Dec 2023 |
| 5590 | Cherry, Charles L. & Assoc., Inc. | | Oil & Gas Operator | Oct 1989 |
| 5591 | Cherry, William H., Inc. | Oklahoma City, OK 73125 | Oil & Gas Operator | Mar 2015 |
| 5592 | Cherryvale Gas Co. | Cherryvale, KS 67335 | Oil Operator | Jan 2002 |
| 5593 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2025 |
| 5594 | Chesapeake Energy | | Oil & Gas Operator | Dec 2009 |
| 5595 | Chesapeake Energy Ma | | Gas Operator | Jun 2016 |
| 5596 | Chesapeake Energy Marketing, Inc. | | Oil & Gas Operator | Jan 2025 |
| 5597 | Chesapeake Exploration LLC | Oklahoma City, OK 731540496 | Oil & Gas Operator | Jul 2020 |
| 5598 | Chesapeake Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2025 |
| 5599 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2025 |
| 5600 | Chesapeake Permian LP | Oklahoma City, OK 73118-1044 | Oil & Gas Operator | Feb 2015 |