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
SLRA SLRD SLRE SLRF SLRG SLRJ SLRL SLRM SLRR SLRS SLRU SLRW SLRX
1 SLRX St. Louis Refrigerator Car Co. (Manufacturers' Ry. Co.) 8/1920-7/1923   NAKINA
2 SLRX St. Louis Refrigerator Car Co. 7/1935-4/1970; eliminated 4/1973; added 1/1974; 1/1975; eliminated 1/1975; added 10/1975; 1/1980; eliminated 4/1981   NAKINA
3 SLRX St. Louis Refrigerator Car Co. 4/38-4/70; eliminated 4/73; added 1/74; 1/75; eliminated 1/75; 1/80; eliminated 4/81   NRHS
4 SLRX *MANUFACTURERS' RWY. CO. [ST. LOUIS REFRIGERATOR CAR CO.]     PWRC
5 SLRX *SWEET LINE RAILROADSLS SEA-LAND SERVICE, INC.     PWRC
6 SLRX St. Louis Refrigerator Car     RSRV