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
C& C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ
CD& CDA CDB CDC CDD CDE CDF CDG CDH CDI CDJ CDK CDL CDM CDN CDO CDP CDQ CDR CDS CDT CDU CDV CDW CDX CDY CDZ
CDKB CDKC CDKD CDKG CDKH CDKI CDKR CDKS CDKT CDKU CDKV CDKW CDKX CDKY
1 CDKX Royal Oak Charcoal Co., Northern Division added 10/1968; eliminated 10/1969   NAKINA
2 CDKX Cliffs Dow Chemical Co. 7/1935-10/1966; eliminated 10/1968   NAKINA
3 CDKX Cliffs Dow Chemical Co. 4/38-10/66; eliminated 10/68   NRHS
4 CDKX Royal Oak Charcoal Co., Northern Division added 10/68; eliminated 10/69   NRHS
5 CDKX *CLIFFS DOW CHEMICAL CO.     PWRC
6 CDKX *ROYAL OAK CHARCOAL CO., NORTHERN DIV.     PWRC
7 CDKX CLIFFS DOW CHEMICAL CO     SCAC3