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
SSA SSB SSC SSD SSE SSF SSG SSH SSI SSJ SSK SSL SSM SSN SSO SSP SSQ SSR SSS SST SSU SSV SSW SSX SSY SSZ
SSWB SSWC SSWE SSWF SSWI SSWL SSWM SSWN SSWO SSWP SSWQ SSWR SSWS
1 SSWN Southern Pacific Chicago St. Louis Connection added 1/1990   NAKINA
2 SSWN SPCSL, Corp. 1/1994; eliminated 7/1997   NAKINA
3 SSWN Union Pacific R.R. Co. added 7/1997; 7/2000-7/2005   NAKINA
4 SSWN Southern Pacific Chicago St. Louis Connection added 1/90   NRHS
5 SSWN SPCSL, Corp. 1/94; eliminated 7/97   NRHS
6 SSWN Union Pacific R.R. Co. added 7/97; 7/2000   NRHS
7 SSWN UNION PACIFIC RAILROAD COMPANY [SOUTHERN PACIFIC, CHICAGO, ST.LOUIS CORP.]     PWRC
8 SSWN St. Louis Southwestern Railway (Union Pacific Railroad)     RSRV