- Cabin Creek District High School (East Bank, W. Va.)1
- Cabin Creek Refinery (Cabin Creek, W. Va.)1
- Calico Cat (Kingwood, W. Va.)1
- Calvert Lithographing Company (Detroit, Mich.)1
- Camden Theatre (Weston, W. Va.)1
- Cameron Planning Commission (Cameron, W. Va.)1
- Campbell's Creek Railroad Company.1
- Campus Ministry Center (Morgantown, W. Va.)1
- Canaan Realty (Davis, W. Va.)1
- Canaan Valley Resorts (Davis, W. Va.)1
- Cannelton Coal Company (Cannelton, W. Va.)1
- Cantrell Canoes and Rafts (Hinton, W. Va.)1
- Canyon Rim Ranch (Fayetteville, W. Va.)1
- Capital City Trades Assembly (Charleston, W. Va.)1
- Captain John's Charters (Buckhannon, W. Va.)1
- Carbide and Carbon Chemicals Corporation. Industrial Relations Department.1
- Caretta Railway Company.1
- Carnegie Museum (Pittsburgh, Pa.)1
- Carter, Hughes and Dwight (Firm)1
- Casto Glass Company (Ellenboro, W. Va.)1
