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
GSWA GSWD GSWG GSWH GSWR GSWS GSWX
1 GSWS GWI SWITCHING SYSYEMS {GENNESSEE & WYOMING SWITCHING}     PWRC
2 GSWS GSW TRANSPORTATION INC     SCAC4