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
SP& SPA SPB SPC SPD SPE SPF SPG SPH SPI SPJ SPK SPL SPM SPN SPO SPP SPQ SPR SPS SPT SPU SPV SPW SPX SPY SPZ
SPEA SPEB SPEC SPED SPEE SPEG SPEH SPEJ SPEL SPEN SPEO SPEP SPEQ SPER SPES SPET SPEU SPEX SPEZ
1 SPEC Spencerville and Elgin R.R. Co. added 4/1978; added 10/1978   NAKINA
2 SPEC Spencerville and Elgin R.R. Co. added 4/78; added 10/78   NRHS
3 SPEC *SPECTOR FREIGHT SYSTEM INC     PWRC
4 SPEC *SPENCERVILLE & ELGIN RAILROAD     PWRC
5 SPEC SPECIALIZED CARRIERS INC     SCAC4