- Cato (Aiken, S.C.)1
- Central Baptist Church (Greenville County, S.C.)2
- Central First Baptist Church (Pickens County, S.C.)1
- Cheraw First Baptist Church (Chesterfield County, S.C.)1
- Chester First Baptist Church (Chester County, S.C.)1
- Chestnut Ridge Baptist Church (Laurens County, S.C.)2
- Citadel Square Baptist Church (Charleston County, S.C.)2
- Claflin University1
- Clear Springs Baptist Church (Greenville County, S.C.)1
- Clemson First Baptist Church (Pickens County, S.C.)1
- Clinton First Baptist Church (Laurens County, S.C.)1
- Colourpicture1
- Columbia College6
- Columbia High School (Columbia, S.C.)1
- Commercial Colortype Company6
- Converse College1
- Coronaca Baptist Church (Greenwood County, S.C.)1
- Cross Roads Baptist Church (Pickens County, S.C.)1
- Curt Teich & Co.3
- Curt Teich & Company6