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
D D& D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DY DZ
DCA DCB DCC DCD DCE DCF DCG DCH DCI DCJ DCK DCL DCM DCN DCO DCP DCR DCS DCT DCU DCV DCW DCX DCY DCZ
DCWP DCWX
1 DCWX Detroit Chemical Works, Division of Pressure Vessel Service, Inc. added 10/1969; 4/1970; eliminated 1/1975   NAKINA
2 DCWX W.R. Grace & Co., Davison Chemical Division, Detroit Chemical Works added 10/1963; 7/1965-10/1966; eliminated 10/1969   NAKINA
3 DCWX Detroit Chemical Works 7/1937-1/1941 (not listed); 1/1943-4/1961; eliminated 10/1963   NAKINA
4 DCWX Detroit Chemical Works 1/52-4/61   NRHS
5 DCWX W.R. Grace & Co., Davison Chemical Division, Detroit Chemical Works 7/65-10/66; eliminated 10/69   NRHS
6 DCWX Detroit Chemical Works, Division of Pressure Vessel Service, Inc. added 10/69; 4/70; eliminated 1/75   NRHS
7 DCWX DETROIT CHEMICAL WORKS (DIV. PRESSURE VESSEL SERVICE, INC. PREVIOUSLY DIV. W.R. GRACE & CO.]     PWRC