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
SRA SRB SRC SRD SRE SRF SRG SRH SRI SRJ SRK SRL SRM SRN SRO SRP SRQ SRR SRS SRT SRU SRV SRW SRX SRY SRZ
SRRA SRRC SRRD SRRF SRRH SRRK SRRL SRRN SRRQ SRRW SRRX
1 SRRX Star Refining & Producing Co. 7/1923; 7/1935; 7/1937-4/1938 (not listed)   NAKINA
2 SRRX Star R.R. Equipment added 1/1971; 1/1975-1/1980; eliminated 7/1992; 1/1994-7/2005 (not listed)   NAKINA
3 SRRX Star R.R. Equipment added 1/71; 1/75-1/80; eliminated 7/92; 1/94-7/2000   NRHS
4 SRRX *SANDY RIVER & RANGELEY LAKES RAILROAD     PWRC
5 SRRX +STAR RAILROAD EQUIPMENT CO     PWRC
6 SRRX Star Railroad Equipment     RSRV
7 SRRX STAR RAILROAD EQUIPMENT CO     SCAC4