- GeoData (Firm), cartographer1
- Geodætisk institut (Denmark)1
- Geographia Ltd., cartographer1
- Geological Survey (U.S.), cartographer, publisher1
- Geological Survey of Alabama1
- Geological Survey of Wyoming1
- Geologicheskiĭ institut (Akademii︠a︡ nauk SSSR)1
- Great Britain. Directorate of Overseas Surveys1
- Grikurov, Garik Ėduardovich1
- Hackett, Steve W. (Steve Wayne), 1945-20111
- Hammond Incorporated, cartographer1
- Hardyman, Richard F.1
- Harkins, Joe R., 1926-1
- Hatcher, Robert D., 1940-1
- Haworth, Rich. (Richard), 1944-1
- Hill, J. D. (John David), 1949-1
- Hintze, Lehi F.1
- Hjalmarson, H. W.1
- Hunt, Richard S.1
- Hunting Technical Services Ltd1
GeoBlacklight version 4.1.0
