- Clarence (River boat)1
- Clark Coal and Coke Company. Eagle Mine.1
- Clarksburg Casket Company (Clarksburg, W. Va.)1
- Clarksburg Fuel Company. O'Neil Mine.1
- Clarksburg Fuel Company. Two Lick Mine.1
- Clarksburg Ice and Storage Company (Clarksburg, W. Va.)1
- Clarksburg Light and Heat Company.1
- Clarksburg Wholesale Confectionery Company.1
- Clarksburg-Harrison Public Library (Clarksburg, W. Va.)1
- Claude Worthington Benedum Foundation.1
- Clawson Methodist Protestent Church (Clover Lick, W. Va.)1
- Clay Battelle High School (Blacksville, W. Va.)1
- Clay Theatre (Claysville, Pa.)1
- Clay-Battelle High School (Blacksville, W. Va.). Band.1
- Claysville Electric Shop (Claysville, Pa.)1
- Claysville Elementary School (Claysville, Pa.)1
- Claysville Restaurant (Claysville, Pa.)1
- Clearlite Fourco Glass Company.1
- Clements' Fountain (Preston County, W. Va.)1
- Clendenin's Fort (W. Va.)1
