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
STA STB STC STD STE STF STG STH STI STJ STK STL STM STN STO STP STQ STR STS STT STU STV STW STX STY STZ
STDA STDC STDD STDF STDM STDN STDO STDT STDU STDV STDW STDX
1 STDX Standard Steel Car Co. 7/1923   NAKINA
2 STDX Standard Steel Car Corp. 7/1930-7/1932   NAKINA
3 STDX Standard Fuels, Inc. added 1/1960; 4/1961-10/1966; eliminated 1/1969   NAKINA
4 STDX Mobil Oil Corp. added 1/1969; 4/1970; eliminated 7/1970   NAKINA
5 STDX Standard Fuels, Inc. added 1/60; 4/61-10/66; eliminated 1/69   NRHS
6 STDX Mobil Oil Corp. added 1/69; 4/70; eliminated 7/70   NRHS
7 STDX *STANDARD STEEL CAR CORP.     PWRC
8 STDX *MOBIL OIL CORP. [STANDARD FUELS, INC.]     PWRC