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
SRDA SRDB SRDF SRDG SRDH SRDI SRDL SRDM SRDO SRDQ SRDR SRDS SRDV SRDW SRDX SRDY
1 SRDX D-X Sunray Oil Co. 10/1957-4/1961; eliminated 7/1962   NAKINA
2 SRDX Sunray D-X Oil Co. added 7/1962; 7/1965-10/1966; eliminated 4/1969   NAKINA
3 SRDX Sun Oil Co., D-X Division added 4/1969   NAKINA
4 SRDX Sunray D-X Oil Co. eliminated 4/1970   NAKINA
5 SRDX Sun Oil Co. added 4/1970; 4/1970; eliminated 1/1972   NAKINA
6 SRDX Sun Oil Co. of Pennsylvania added 1/1972; 1/1975; eliminated 7/1976; 1/1980   NAKINA
7 SRDX D-X Sunray Oil Co. 10/57-4/61   NRHS
8 SRDX Sunray D-X Oil Co. 7/65-10/66; eliminated 4/69   NRHS
9 SRDX Sun Oil Co., D-X Division added 4/69   NRHS
10 SRDX Sunray D-X Oil Co. eliminated 4/70   NRHS
11 SRDX Sun Oil Co. added 4/70; 4/70; eliminated 1/72   NRHS
12 SRDX Sun Oil Co. of Pennsylvania added 1/72; 1/75; eliminated 7/76; 1/80   NRHS
13 SRDX SUN OIL CO. {D-X SUNRAY OIL CO.}     PWRC
14 SRDX Sunray D-X Oil Co.   USA TRAFFIC