Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
G& G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GY GZ
GS& GSA GSB GSC GSD GSE GSF GSG GSH GSI GSJ GSK GSL GSM GSN GSO GSP GSQ GSR GSS GST GSU GSV GSW GSX GSY GSZ
GSOA GSOC GSOF GSOK GSOM GSON GSOP GSOR GSOT GSOU GSOX
1 GSOX Gold Standard Oils Ltd. 1/1946-1/1950   NAKINA
2 GSOX Valvoline Oil Co. 7/1937-1/1941   NAKINA
3 GSOX Galena Signal Oil Co. (Valvoline Oil Co.) 7/1932-7/1935   NAKINA
4 GSOX Valvoline Oil Co. Apr-38   NRHS
5 GSOX GOLD STANDARD OILS LTD. [VALVOLINE OIL CO.; GALENA SIGNAL OIL CO.]     PWRC