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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CH& CHA CHB CHC CHD CHE CHF CHG CHH CHI CHJ CHK CHL CHM CHN CHO CHP CHQ CHR CHS CHT CHU CHV CHW CHX CHY CHZ
CHGA CHGC CHGD CHGE CHGF CHGG CHGH CHGI CHGJ CHGL CHGM CHGN CHGP CHGQ CHGR CHGS CHGT CHGV CHGW CHGY CHGZ
1 CHGL CHICAGO HARVARD & GENEVA LAKE RWY     PWRC