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 SLSF St. Louis-San Francisco Ry. Co. 7/1923-1/1980; eliminated 1/1981; 7/2000   NAKINA
2 SLSF Burlington Northern Inc. added 1/1981; eliminated 7/1981   NAKINA
3 SLSF Burlington Northern R.R. Co. added 7/1981; 1/1994; eliminated 4/2005   NAKINA
4 SLSF BNSF Ry. Co. added 4/2005; 7/2005   NAKINA
5 SLSF St. Louis-San Francisco Ry. Co. 4/38-1/80; eliminated 1/81; 7/2000   NRHS
6 SLSF Burlington Northern Inc. added 1/81; eliminated 7/81   NRHS
7 SLSF Burlington Northern R.R. Co. added 7/81; 1/94   NRHS
8 SLSF BNSF RWY. CO. [BURLINGTON NORTHERN RAILROAD CO.; ST. LOUIS-SAN FRANCISCO RWY. (FRISCO)]     PWRC
9 SLSF St. Louis–San Francisco Railway (BNSF Railway)     RSRV
10 SLSF Saint Louis - San Francisco Railway Company (Frisco)   USA TRAFFIC