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
SL& SLA SLB SLC SLD SLE SLF SLG SLH SLI SLJ SLK SLL SLM SLN SLO SLP SLQ SLR SLS SLT SLU SLV SLW SLX SLY SLZ
SLSA SLSC SLSD SLSE SLSF SLSG SLSH SLSI SLSN SLSO SLSP SLSR SLST SLSU SLSV SLSW SLSX SLSY
1 SLSX Swift Live Stock Express (General American Transportation Corp.) (previously S.L.S.E. and S.L.S.T.) added 11/1934; 7/1935   NAKINA
2 SLSX General American Transportation Corp. 7/1937-7/1965   NAKINA
3 SLSX Swift Live Stock Express (General American Transportation Corp.) 10/1966; eliminated 1/1970   NAKINA
4 SLSX Swift Live Stock Express (General American Transportation Corp.) Apr-38   NRHS
5 SLSX General American Transportation Corp. 1/52-7/65   NRHS
6 SLSX Swift Live Stock Express (General American Transportation Corp.) 10/66; eliminated 1/70   NRHS
7 SLSX SWIFT LIVE STOCK EXPRESS (GATC)     PWRC