- South Carolina Department of Transportation. Office of Materials and Research299
- Billings, John S. (John Shaw), 1898-1975298
- Schneidmiller, Stan298
- Nebbia, Tom296
- Legendre, Sidney Jennings, 1903-1948293
- Cooperative Extension Service, Clemson University292
- Dexter Press292
- Milliken, John Boyle, 1816-1889292
- Campbell, Carroll A., Jr.290
- South Carolina Vocational Rehabilitation Department290
- Culp, Lucille Hasell, 1921 - 2007287
- South Carolina Employment Security Commission283
- Brandon Mill280
- Tarbox, Frank G., 1956-1940275
- Clemson University274
- South Carolina Department of Employment and Workforce, Business Intelligence Department273
- South Carolina Budget and Control Board, Board of Economic Advisors266
- South Carolina Department of Natural Resources. Shellfish Management Section265
- South Carolina Sea Grant Consortium258
- South Carolina State University258