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
SOA SOB SOC SOD SOE SOF SOG SOH SOI SOJ SOK SOL SOM SON SOO SOP SOQ SOR SOS SOT SOU SOV SOW SOX SOY SOZ
SOGA SOGB SOGE SOGG SOGH SOGL SOGO SOGP SOGR SOGS SOGT SOGU SOGX
1 SOGX The Shamrock Oil and Gas Corp. 1/1952-10/1966; eliminated 4/1968   NAKINA
2 SOGX Diamond Shamrock Corp. added 4/1968; 4/1970-1/1980; eliminated 1/1984   NAKINA
3 SOGX Diamond Shamrock Chemicals Co. added 1/1984; eliminated 7/1984   NAKINA
4 SOGX The Shamrock Oil and Gas Corp. 1/52-10/66; eliminated 4/68   NRHS
5 SOGX Diamond Shamrock Corp. added 4/68; 4/70-1/80   NRHS
6 SOGX Diamond Shamrock Chemicals Co. eliminated 7/84   NRHS
7 SOGX (DAX) DIAMOND SHAMROCK CHEMICALS COMPANY [SHAMROCK OIL & GAS CORP.]     PWRC
8 SOGX Diamond Shamrock Chemicals     RSRV