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
DP0 DPA DPB DPC DPD DPE DPF DPG DPH DPI DPJ DPK DPL DPM DPN DPO DPP DPR DPS DPT DPU DPV DPW DPX
1 DPX Federal Facilities Corp. added 10/1954; eliminated 1/1956   NAKINA
2 DPX Reconstruction Finance Corp. 1/1946-7/1954; eliminated 10/1954   NAKINA
3 DPX Defense Plant Corp. 1/1943-1/1945   NAKINA
4 DPX Reconstruction Finance Corp. Jan-52   NRHS
5 DPX FEDERAL FACILITIES CORP. [RECONSTRUCTION FINANCE CORP.; DEFENSE PLANT CORP.]     PWRC