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
S& S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ
SI& SIA SIB SIC SID SIE SIF SIG SIH SII SIJ SIK SIL SIM SIN SIO SIP SIQ SIR SIS SIT SIU SIV SIW SIX SIY SIZ
SIRC SIRE SIRH SIRI SIRP SIRQ SIRR SIRS SIRT SIRU SIRX SIRY
1 SIRX Southern Illinois Railcar Co. added 1/1991; 1/1994-7/2005; eliminated 1/2008   NAKINA
2 SIRX SC Rail Leasing America, Inc. d/b/a Southern Illinois Railcar Co. added 1/2008   NAKINA
3 SIRX Southern Illinois Railcar Co. added 1/91; 1/94-7/2000   NRHS
4 SIRX SC RAIL LEASING AMERICA, INC. d/b/a SOUTHERN ILLINOIS RAILCAR CO.     PWRC
5 SIRX Southern Illinois Railcar Corporation     RSRV
6 SIRX VTG RAIL INC     SCAC4
7 SIRX Southern Illinois Railcar Company   USA TRAFFIC