- Blanchard, Walter2
- Bronston, Douglas, 1887-1951 1
- Bull Swamp Baptist Church (Orangeburg County, S.C.)1
- C. T. Company1
- C. U. Williams (firm)1
- Carroll, Early 1
- Carroll, Harry, 1892-1962 (composer)1
- Cobb, George L., 1886-1942 (composer)5
- Cohen, Arthur M.1
- Columbia College6
- Columbia Photo Studio1
- Commercial Colortype Co.5
- Commercial Colortype Company17
- Converse College1
- Corinth Baptist Church (Colleton County, S.C.)1
- Covington, J. C.2
- Cross Roads Baptist Church (Newberry County, S.C.)2
- Curt Teich & Co.15
- Curt Teich & Company5
- Curt Teich Co.2