- Simon, A. M.1
- Smith Studios1
- SoCaMeAd Press1
- Southern Cotton Oil Company (Columbia, S.C.)1
- Southern Post Card Co. (Publisher)1
- Southern Printing & Pub. Co.1
- Southern Printing & Publishing Co.1
- Spencer Carlyle Advertising1
- Stalvey, Jr., John. K.1
- State College Book Depository1
- State Teacher's College1
- Stead, C. A.1
- Stein Craftsmen1
- Stinson, Stephen1
- Stonecraft1
- Studdy, G. E. (George Ernest), 1878-19481
- Studio of Artistic Photography (Columbia, S.C.)1
- Sunset Pharmacy1
- Susan G. Logan, Logan Photographics1
- T. Edmund Krumbhols1