- Gilbert, S. A. (Samuel A.)1
- Graham, Joseph, 1759-1836 (Cartographer) 1
- Gravelot, Hubert Francois, 1699-1773(delin.)1
- Gray, Frank A. (Cartographer)1
- Great Southern Freight and Passenger Line, New York1
- Greater Bishopville Chamber of Commerce1
- Greater Columbia Chamber of Commerce (S.C.)1
- Greyhound Corporation1
- Greyhound Lines, Inc.1
- Gulf Oil Corporation1
- Gulf Refining Company1
- Guyot, A. (Arnold), 1807-18841
- Guyot, A. (Arnold), 1807-1884. (Geographer)1
- H. M. Wilson, Geographer1
- H. M. Wilson, Geographer in Charge1
- Hall, Selina, 1781-1853 (Engraver)1
- Hall, Sidney, 1788-1831 (Engraver)1
- Harris, John, active 1680-1739 or 17401
- Harrison, Samuel, 1789-1818 (Engraver)1
- Harry V. Gormley1