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
CD& CDA CDB CDC CDD CDE CDF CDG CDH CDI CDJ CDK CDL CDM CDN CDO CDP CDQ CDR CDS CDT CDU CDV CDW CDX CDY CDZ
CDTA CDTB CDTC CDTE CDTF CDTG CDTH CDTI CDTJ CDTK CDTN CDTO CDTP CDTQ CDTR CDTS CDTT CDTU CDTV CDTW CDTX CDTY
1 CDTX California Dept. of Transportation 1/1994-7/2005 (not listed)   NAKINA
2 CDTX California Dept. of Transportation 1/94-7/2000   NRHS
3 CDTX CALIFORNIA DEPT. OF TRANSP.(AMTRAK CALIFORNIA)     PWRC
4 CDTX California Department of Transportation (Amtrak California)     RSRV
5 CDTX CALIFORNIA DEPT OF TRANSP (COMMUTER     SCAC4
6 CDTX California Department of Transportation (Caltrain)   USA TRAFFIC