- Greater Columbia Chamber of Commerce (S.C.)6
- Guide Publications (Columbia, S.C.)1
- Hegarty, T. J. (Thomas Joseph), 1869?-19311
- Hennig, Helen Kohn1
- Historian of the Confederate Records1
- Kaplan, Louis, 1914-20101
- Key Publications (Columbia, S.C.)70
- Knights of Pythias. Grand Lodge of South Carolina1
- Kohn, August, 1868-19301
- LaFaye and LaFaye Architects1
- League of Women Voters of Columbia (S.C.)1
- Litho Arts Company (Columbia, S.C.)1
- Lorick & Lowrance, Inc. (Columbia, S.C.)1
- McKenzie, S. W. (Sultan Westmoreland) Jr., 1874-19191
- McMaster, Fitz Hugh, 1867-1
- Meriwether, Margaret Babcock1
- Montgomery, Warner Miller2
- Morgan, W. Fordham1
- New South Associates (Columbia, S.C.)1
- P.H. Lachicotte Company (Columbia, S.C.)2