- Conn & Kauffman2
- Conn & Thomas2
- Floyd, M.H.2
- Gignilliat, Robert Jr., Chatham County Surveyor2
- Kauffman Bros. & Sons, Engineers2
- Kehrer, E.T., 1921-19962
- Smith, M.F.2
- Thomas, William Jr., Thomas and Hutton, Engineers2
- Weitman, D.M., Surveyor2
- AFL-CIO. Human Resources Development Institute1
- Amold, Bob1
- Atlantic Engineering Company, Civil Engineers1
- Bailey, R. M.1
- Bailey, R.M. (copy)1
- Bailey, Ray1
- Bowens, Eugene1
- Burpitt, J. W.1
- Caudelle, George B.1
- Clayton, Xernona1
- Dillon, George W. Engineer1
