| 5501 | Charter Producti | | Oil & Gas Operator | Jun 1994 |
| 5502 | Charter Production Company | Wichita, KS 67202 | Oil & Gas Operator | Feb 2018 |
| 5503 | Charter Services LLC | Cushing, OK 74023 | Oil Operator | Mar 2025 |
| 5504 | Chartex Petroleum Company | Houston, TX 77070 | Oil & Gas Operator | Aug 2000 |
| 5505 | Chase Avenue Corporation, The | Dallas, TX 75219 | Oil & Gas Operator | Jun 2003 |
| 5506 | Chase Energy, Inc. | Austin, TX 78763 | Oil & Gas Operator | Oct 2001 |
| 5507 | Chase Exploratio | | Oil Operator | Sep 1992 |
| 5508 | Chase Oil & Gas Inc C-O Triad | | Oil & Gas Operator | Mar 1993 |
| 5509 | Chase Operating Company | Abilene, TX 79608 | Oil & Gas Operator | Feb 2016 |
| 5510 | Chase Petroleum, Inc. | Glenville, WV 26351-1026 | Oil & Gas Operator | Dec 2021 |
| 5511 | Chase Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 5512 | Chase Well Servi | | Oil Operator | Jun 1989 |
| 5513 | Chase Well Service, Inc. | Great Bend, KS 67530 | Oil Operator | Mar 2004 |
| 5514 | Chase, Glen Drilling | Chanute, KS 66720 | Oil Operator | Jul 1996 |
| 5515 | Chase, Michael | Chanute, KS 66720 | Oil Operator | Mar 1999 |
| 5516 | Chase, Ronald E. II | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 5517 | Chasla Energy, LLC | Iowa Park, TX 76367 | Oil Operator | May 2025 |
| 5518 | Chass Production Co. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2020 |
| 5519 | Chastain Diane | Coffeyville, KS 67337-9620 | Oil & Gas Operator | Feb 2015 |
| 5520 | Chastain Farms LLC | Guthrie, KY 42234 | Oil & Gas Operator | Mar 2020 |
| 5521 | Chastain Land & Energy LLC | Wetumka, OK 74883-0067 | Oil & Gas Operator | Sep 2017 |
| 5522 | Chateau Oil And Gas, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2017 |
| 5523 | Chatham John | Wilson, OK 73463-9575 | Oil Operator | Feb 2014 |
| 5524 | Chatham Verdell | Ratliff City, OK 73081-0061 | Oil Operator | Oct 2009 |
| 5525 | Chatham VIckie R | Wilson, OK 73463 | Oil Operator | Feb 2025 |
| 5526 | Chatham, Maxine | | Oil Operator | Oct 2016 |
| 5527 | Chautauqua County Division Of Solid Waste | Jamestown, NY 14701 | Gas Operator | Dec 2023 |
| 5528 | Chautauqua Energy Inc | Westfield, NY 14787 | Oil & Gas Operator | Dec 2021 |
| 5529 | Chautauqua Hills Ministries, Inc. | Gerry, NY 14740 | Gas Operator | Dec 2023 |
| 5530 | Chautauqua Hilltop Organic, LLC | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 5531 | Chautauqua Inns, LTD. | Mayville, NY 14757 | Gas Operator | Dec 2023 |
| 5532 | Chautauqua Oil And Gas LLC | Tulsa, OK 74145 | Oil & Gas Operator | Jan 2025 |
| 5533 | Chaveroo Operating Co Inc | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1997 |
| 5534 | CHB Interests, LLC | Kilgore, TX 75663 | Oil Operator | Oct 2011 |
| 5535 | CHB Investments | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2004 |
| 5536 | CHC Energy, LLC | | Gas Operator | Nov 2012 |
| 5537 | CHC III Paola Energy, LLC | | Oil Operator | Dec 2024 |
| 5538 | Cheatham Well Service, Inc. | Luling, TX 78648 | Oil Operator | May 2025 |
| 5539 | Cheatham, Joe R. Oil Co. | Lockhart, TX 78644 | Oil & Gas Operator | Dec 2018 |
| 5540 | Cheatham, W. C. | Olney, TX 76374 | Oil & Gas Operator | Feb 2002 |
| 5541 | Cheektowaga-Maryvale Union Free School District | Cheektowaga, NY 14225 | Gas Operator | Dec 2023 |
| 5542 | Cheetah Investments, Inc. | Winters, TX 79567 | Oil & Gas Operator | May 2025 |
| 5543 | Cheetah Oil Inc | Casper, WY 82602 | Oil & Gas Operator | Dec 2007 |
| 5544 | Chek Oil Co. | Midland, TX 79708 | Oil & Gas Operator | May 2019 |
| 5545 | Chek Oil Co., LLC | Midland, TX 79704 | Oil Operator | May 2025 |
| 5546 | Chelin LLC | Cut Bank, MT 59427 | Oil & Gas Operator | Feb 2025 |
| 5547 | Chemassist L.L.C. | | Oil & Gas Operator | Mar 2025 |
| 5548 | Chemco Inc | | Oil & Gas Operator | Sep 2023 |
| 5549 | Chemical Bioteck Solutions LLC | | Oil Operator | Sep 2021 |
| 5550 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
| 5551 | Chen K Wendell | Arlington, TX 76016-2555 | Oil & Gas Operator | Mar 2015 |
| 5552 | Chenango Oil And Gas Co. | Groves, TX 77619 | Oil & Gas Operator | May 2025 |
| 5553 | Chenhall Billy J | Haskell, OK 74436-8733 | Oil & Gas Operator | Sep 2015 |
| 5554 | Cheniere Petroleum Corporation | | Oil & Gas Operator | Feb 1989 |
| 5555 | Chenoweth, Dean | Haviland, KS 67059 | Oil Operator | Jun 1994 |
| 5556 | Chenoweth, Grover | Marble Falls, TX 78654 | Oil & Gas Operator | May 2025 |
| 5557 | Cher Oil Company LTD | Ripley, OK 74062 | Oil & Gas Operator | Mar 2025 |
| 5558 | Cherco Properties, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Nov 1999 |
| 5559 | Chermac Energy Corporation | Edmond, OK 73083 | Oil & Gas Operator | Apr 2020 |
| 5560 | Cherokee Basin Pipeline LLC | Mason, MI 48854 | Gas Operator | Jan 2025 |
| 5561 | Cherokee DRLG. & Dev. Corp. | Winnetka, IL 60093 | Oil & Gas Operator | Jan 2003 |
| 5562 | Cherokee Energy | | Oil & Gas Operator | Oct 1988 |
| 5563 | Cherokee Gas Holdings LLC | Nowata, OK 74048 | Oil Operator | Dec 2024 |
| 5564 | Cherokee Oil | | Oil Operator | Jan 2025 |
| 5565 | Cherokee Oil Production Inc | Wichita, KS 67230 | Oil & Gas Operator | Jan 1997 |
| 5566 | Cherokee Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 5567 | Cherokee Production Corp. | Greenville, TX 75401 | Oil & Gas Operator | May 2025 |
| 5568 | Cherokee Production LLC | Goliad, TX 77963 | Oil Operator | May 2025 |
| 5569 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 5570 | Cherokee Royalties & Minerals Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2025 |
| 5571 | Cherokee Valley | | Oil Operator | May 1993 |
| 5572 | Cherokee Wells LLC | Fredonia, KS 66736 | Oil & Gas Operator | Jan 2025 |
| 5573 | Cherokeenrg LLC | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2019 |
| 5574 | Cherry Oil & Gas | Luling, TX 78648 | Oil & Gas Operator | Dec 2000 |
| 5575 | Cherry Oil & Gas, Inc | | Oil & Gas Operator | Dec 2023 |
| 5576 | Cherry, Charles L. & Assoc., Inc. | | Oil & Gas Operator | Oct 1989 |
| 5577 | Cherry, William H., Inc. | Oklahoma City, OK 73125 | Oil & Gas Operator | Mar 2015 |
| 5578 | Cherryvale Gas Co. | Cherryvale, KS 67335 | Oil Operator | Jan 2002 |
| 5579 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2025 |
| 5580 | Chesapeake Energy | | Oil & Gas Operator | Dec 2009 |
| 5581 | Chesapeake Energy Ma | | Gas Operator | Jun 2016 |
| 5582 | Chesapeake Energy Marketing, Inc. | | Oil & Gas Operator | Jan 2025 |
| 5583 | Chesapeake Exploration LLC | Oklahoma City, OK 731540496 | Oil & Gas Operator | Jul 2020 |
| 5584 | Chesapeake Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2025 |
| 5585 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 2025 |
| 5586 | Chesapeake Permian LP | Oklahoma City, OK 73118-1044 | Oil & Gas Operator | Feb 2015 |
| 5587 | Chesher Oil Company | Holliday, TX 76366 | Oil Operator | May 2025 |
| 5588 | Chesher, Robert | Holliday, TX 76366 | Oil & Gas Operator | Dec 1995 |
| 5589 | Chesna, Bernard | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 5590 | Chesney Marilyn | | Oil Operator | Jul 1987 |
| 5591 | Chesney Oil Comp | | Oil Operator | Sep 1989 |
| 5592 | Chesnut Oil And Gas, Inc. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | May 2025 |
| 5593 | Chesnutt Oil & Gas, Inc. | Mineral, TX 78125 | Oil & Gas Operator | May 2025 |
| 5594 | Chessher, Otto Drilling Company | Kearney, MO 64060 | Oil & Gas Operator | Dec 2013 |
| 5595 | Chester F. Dolley | | Oil & Gas Operator | Dec 1986 |
| 5596 | Chester Floyd | | Oil Operator | Feb 1996 |
| 5597 | Chester Oil Company | Wetumka, OK 74883-6227 | Oil & Gas Operator | Feb 2025 |
| 5598 | Chestnut Explor. And Prod., Inc. | Dallas, TX 75208 | Oil & Gas Operator | May 2025 |
| 5599 | Chestnut Exploration And Production, Inc | Richardson, TX 78081 | Oil & Gas Operator | Nov 2020 |
| 5600 | Chestnut Mountain Energy, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | May 2025 |