- Champion Paper and Fibre Company23
- Charlotte Engraving Co.1
- Civilian Conservation Corps2
- Claridge, F. H.1
- Clark, John W.1
- Clevenger, C. B.1
- Collingwood, G. H. (George Harris), 1890-19585
- Cooper, Thomas Wright, 1897-19571
- Corbin, John T., circa 1871-19553
- Cowling, Ellis Brevier, 1932-3
- Crampton and Deitrick10
- Criswell, J. F.1
- Crocker, S. H.2
- Davenport, R. E.1
- Day, Nere E.1
- Duffield, John Warren, 1912-2
- Dunning, Duncan, 1890-1
- Ellwood, Eric L.7
- Engler, Adolf, 1844-19301
- Eutsler, Edward M.1