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
DT& DTA DTB DTC DTD DTE DTF DTG DTH DTI DTJ DTK DTL DTM DTN DTO DTP DTQ DTR DTS DTT DTU DTV DTW DTX DTY DTZ
DTDA DTDC DTDD DTDE DTDF DTDJ DTDK DTDL DTDQ DTDR DTDS DTDX
1 DTDX Dow Chemical Co., Texas Division 4/1961; added 10/1961; 7/1965; eliminated 1/1966   NAKINA
2 DTDX General American Transportation Corp. added 7/1958; eliminated 10/1958   NAKINA
3 DTDX Dow Chemical Co., Texas Division 1/1943-10/1957; eliminated 7/1958   NAKINA
4 DTDX Dow Chemical Co., Texas Division 1/52-10/57; eliminated 7/58   NRHS
5 DTDX General American Transportation Corp. added 7/58; eliminated 10/58   NRHS
6 DTDX Dow Chemical Co., Texas Division 4/61-7/65; eliminated 1/66   NRHS
7 DTDX DOW CHEMICAL CO., TEXAS DIV. (GENERAL AMERICAN TRANSPORTATION CORP.)     PWRC