Gabriel Elmar
Gehl Christel
Geodynamik HT Aktiebolag
Geomatic
George David M.
Getman Alexandr F.
Giacobbe Peter A.
Giannakopoulos Antonios
Gilbert John E.
Gilberto Paul
Gimpelson Ilya A.
Girlock Limited of Belmore
Glasscock, Jr. Jessie F.
Goble George G.
Golembeck Gerald A.
Gregg Drilling & Testing, Inc.
Gribov Boris I.
Grigas Jonas
Grosso Ronald F.