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
CH& CHA CHB CHC CHD CHE CHF CHG CHH CHI CHJ CHK CHL CHM CHN CHO CHP CHQ CHR CHS CHT CHU CHV CHW CHX CHY CHZ
CHDA CHDB CHDD CHDE CHDF CHDH CHDI CHDJ CHDK CHDL CHDM CHDN CHDO CHDP CHDQ CHDR CHDS CHDT CHDU CHDV CHDW CHDX CHDY
1 CHDX Church & Dwight Co., Inc. added 10/1960; 4/1961-7/1965; eliminated 7/1966   NAKINA
2 CHDX Church & Dwight Co., Inc. added 10/60; 4/61-7/65; eliminated 7/66   NRHS
3 CHDX CHURCH & DWIGHT CO. INC.     PWRC
4 CHDX CHURCH & DWIGHT CO INC     SCAC3