- G.W. & C.B. Colton & Co.1
- Garmany, H.M. Engineer1
- Garrard, K. (Kenner), 1827-18791
- Gascoigne, John.1
- Geographica Map Company Inc. (New York, N.Y.)1
- George F. Cram Company1
- Georgia1
- Georgia Power Company (Atlanta, Ga.)1
- Georgia. Coastal Resources Division1
- Georgia. Department of Banking and Finance1
- Georgia. Department of Mines, Mining, and Geology1
- Georgia. Department of Transportation. Aviation Programs1
- Georgia. Department of Transportation; United States. Federal Highway Administration1
- Georgia. Surveyor General Department; Frobel, B. W.1
- Gibson, J. (John)1
- Gignilliat Robert D. , Chatham County Surveyor1
- Gignilliat and Reppard1
- Gignilliat, Leigh, Surveyor1
- Gignilliat, Ravaenel C.E.1
- Gignilliat, Robert D. Chatham County Surveyor1
