- Busch, John W.1
- Buss, M.1
- C.F. Schwettmann Apothecary, King and Broad Street, Charleston, South Carolina1
- California Fig Syrup Co.1
- Capudine Chemical Co., Raleigh, North Carolina1
- Carter, C. E.1
- Castle1
- Charles E. Hires Company1
- Charles Es'Dorn Hospital Training School1
- Charleston County Board of Assessment Control1
- Charleston County Medical Society1
- Charleston Post Card Company1
- Charleston Training School1
- Chevalier, J.D.1
- Chevalier, J.D. 1
- Christy1
- City Hospital Charleston Training School for Nurses1
- Clark Appler & Loeber, Baltimore, Maryland1
- Clarke's Photo. Gallery (Charleston, S.C.)1
- Clauss, Fremont, California1