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
SFA SFB SFC SFD SFE SFF SFG SFH SFI SFJ SFK SFL SFM SFN SFO SFP SFQ SFR SFS SFT SFU SFV SFW SFX SFY SFZ
SFSB SFSC SFSE SFSF SFSJ SFSK SFSL SFSM SFSN SFSO SFSP SFSR SFSS SFST SFSU SFSV SFSX SFSY
1 SFSX San Francisco Transportation Services Co. added 1/1978; eliminated 10/1978   NAKINA
2 SFSX San Francisco Transportation Services Co., Inc. added 10/1978; 1/1980; eliminated 10/1983; 1/1994-7/2005 (not listed)   NAKINA
3 SFSX San Francisco Transportation Services Co. added 1/78; eliminated 10/78   NRHS
4 SFSX San Francisco Transportation Services Co., Inc. added 10/78; 1/80; eliminated 10/83; 1/94-7/2000   NRHS
5 SFSX SAN FRANCISCO TRANSPORTATION SERVICES CO.     PWRC
6 SFSX San Francisco Transportation Services     RSRV
7 SFSX SAN FRA     SCAC4