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
CHVA CHVB CHVC CHVD CHVE CHVF CHVG CHVH CHVI CHVJ CHVL CHVM CHVN CHVO CHVQ CHVR CHVS CHVT CHVU CHVV CHVW CHVX CHVY
1 CHVC CHEM-VAC SERVICES INC     SCAC3
2 CHVC CHEMVIRON MIDWEST INC     SCAC4