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
SDA SDB SDC SDD SDE SDF SDG SDH SDI SDJ SDK SDL SDM SDN SDO SDP SDQ SDR SDS SDT SDU SDV SDW SDX SDY SDZ
SDHA SDHD SDHE SDHF SDHG SDHH SDHI SDHJ SDHK SDHL SDHM SDHR SDHV SDHW
1 SDHD STANDISH OIL CO INC     SCAC4