- Consolidated Recreation Commission (Morgantown, W. Va.)1
- Consolidation Coal Company. Northern West Virginia Region.1
- Contentment Historical Complex (Ansted, W. Va.)1
- Continental Group (Firm)1
- Continental Publishing Company (Wheeling, W. Va.)1
- Conway Research, Inc.1
- Cook, Anna Lue.1
- Cook, Katherine M. (Katherine Margaret)1
- Cook, Kermit A.1
- Cook, Lewis A.1
- Cook, Roy Bird, 1886-1
- Cooke, William Mordecai, 1823-1863.1
- Cooper Gallery (Lewisburg, W. Va.)1
- Cooper, John T.1
- Coppell, George.1
- Corbett, Christopher.1
- Corey, Albert Bickmore.1
- Corley, Jim.1
- Cormack, Beale.1
- Cormier, David.1
