| 1 | C & J Well No 1 And C & J Well No 2 | Philippi, WV 26416 | Gas Operator | Dec 2021 |
| 2 | C & P Oil & Gas Company, Inc. | Clarksburg, WV 26301-0000 | Oil & Gas Operator | Dec 2021 |
| 3 | C G G Oil Co | | Oil & Gas Operator | Dec 2006 |
| 4 | C W Riggs Inc | St. Marys, WV 26170 | Oil & Gas Operator | Dec 1999 |
| 5 | C. I. McKown & Son, Inc. | Newton, WV 25266-0711 | Oil & Gas Operator | Dec 2021 |
| 6 | C. J. Services | | Oil & Gas Operator | Sep 2016 |
| 7 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Aug 2025 |
| 8 | Cad Energy Corporation | Creston, WV 26141 | Oil & Gas Operator | Dec 2021 |
| 9 | Cain, Francis E. | Big Bend, WV 26136-0080 | Oil & Gas Operator | Dec 2021 |
| 10 | Cain, Milton | Big Bend, WV 26136-0008 | Oil & Gas Operator | Dec 2021 |
| 11 | Cameron Oil & Gas Company | | Gas Operator | Dec 2016 |
| 12 | Cane Creek Energy, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 13 | Capital Energy, LLC | Ripley, WV 25271 | Oil & Gas Operator | Dec 2021 |
| 14 | Cardinal Energy | | Oil & Gas Operator | Dec 2008 |
| 15 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 16 | Carter Oil And Gas Inc | Richmond, VA 23219 | Oil & Gas Operator | Dec 2011 |
| 17 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 18 | Catamount Resources, Inc. | Grafton, WV 26354-0000 | Gas Operator | Dec 2009 |
| 19 | CDX Gas, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2009 |
| 20 | Cenestia Energy Inc | | Oil & Gas Operator | Dec 1998 |
| 21 | Central Pacific Group, Inc. | | Oil & Gas Operator | Dec 2003 |
| 22 | Century Mining, LLC | | Gas Operator | Dec 2021 |
| 23 | CG&G Oil LLC | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2021 |
| 24 | Charity Gas, Inc. | Salem, WV 26426-5554 | Oil & Gas Operator | Dec 2021 |
| 25 | Chase Petroleum, Inc. | Glenville, WV 26351-1026 | Oil & Gas Operator | Dec 2021 |
| 26 | Chastain Farms LLC | Guthrie, KY 42234 | Oil & Gas Operator | Mar 2020 |
| 27 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2025 |
| 28 | Chestnut Ridge Storage LLC | San Diego, CA 92121-1008 | Gas Operator | Dec 2019 |
| 29 | Chevron Appalachia, LLC | Corapolis, PA 15108 | Oil & Gas Operator | Jul 2020 |
| 30 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 31 | Chisler Brothers Contracting Limited Liability Company | Pentress, WV 26544-0000 | Oil & Gas Operator | Dec 2021 |
| 32 | Chisler, F. M. | Clemmons, NC 27012 | Oil & Gas Operator | Jul 2021 |
| 33 | Chris Oil Co | Cambridge, OH 43725 | Oil & Gas Operator | Nov 2008 |
| 34 | Chrisman Drilling Co. | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 35 | Clark, Donald E. | | Gas Operator | Dec 2003 |
| 36 | Clark, N.G. Dba Glenn, Inc | | Oil & Gas Operator | Dec 2021 |
| 37 | Classic Oil & Gas Resources Inc | | Gas Operator | Dec 2008 |
| 38 | Clear Creek Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 39 | Clear Fork Gas Company | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 40 | Clem Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 41 | Clowser Well Service, Inc. | | Oil & Gas Operator | Dec 2021 |
| 42 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
| 43 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Sep 2025 |
| 44 | Cobham Gas Industries, Inc. | | Oil & Gas Operator | Dec 2006 |
| 45 | Cody, Patricia H | | Oil & Gas Operator | Nov 2007 |
| 46 | Coffman Oil & Gas | | Oil & Gas Operator | Dec 1999 |
| 47 | Coleman, C R | | Gas Operator | Dec 2007 |
| 48 | Collins, Paul | Big Springs, WV 26137-0000 | Oil & Gas Operator | Dec 2021 |
| 49 | Collins-McGregor Operating Company | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 50 | Colt Oil Corporation | Smithville, WV 26178 | Oil & Gas Operator | Dec 2021 |
| 51 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 52 | Columbia Natural Resources, LLC | Charleston, WV 23502 | Oil & Gas Operator | Dec 2021 |
| 53 | Commonwealth Energy, Inc. | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
| 54 | Conquest Petroleum Inc | | Oil & Gas Operator | Nov 2014 |
| 55 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 56 | Consolidation Coal Company | Saint Clairsville, OH 43950-8742 | Oil & Gas Operator | Dec 2020 |
| 57 | Continental Petroleum, LLC | | Oil & Gas Operator | Oct 2013 |
| 58 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2023 |
| 59 | Core Solutions LLC | | Oil & Gas Operator | Dec 2021 |
| 60 | Cornerstone Mining, LLC | | Gas Operator | Sep 2019 |
| 61 | Cotiga Development Company, Limited Partnership | Williamson, WV 25661-0000 | Oil & Gas Operator | Dec 2021 |
| 62 | Cow Run LTD Liability Company | Davidson, NC 28036 | Oil & Gas Operator | Nov 2018 |
| 63 | Creston Oil Corporation | Jacksonville, FL 32225 | Oil & Gas Operator | Dec 2021 |
| 64 | Cumberland Gas Co.(Tree Preservation Co) | | Oil & Gas Operator | Dec 1996 |
| 65 | Cunningham Energy LLC | Charleston, WV 25302 | Oil & Gas Operator | Dec 2021 |
| 66 | Cyrus, Wade T | Fort Gay, WV 25574 | Oil & Gas Operator | Dec 2013 |