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
SE& SEA SEB SEC SED SEE SEF SEG SEH SEI SEJ SEK SEL SEM SEN SEO SEP SEQ SER SES SET SEU SEV SEW SEX SEY SEZ
SEQA SEQB SEQC SEQD SEQF SEQL SEQP SEQQ SEQU SEQV SEQX
1 SEQX Sequa Chemicals, Inc. added 4/1997; 7/2000; eliminated 10/2002; 7/2005 (not listed)   NAKINA
2 SEQX Sequa Chemicals, Inc. added 4/97; 7/2000   NRHS
3 SEQX SEQUA CHEMICALS INCORPORATED     PWRC
4 SEQX Sequa Chemicals     RSRV