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
DR& DRA DRB DRC DRD DRE DRF DRG DRH DRI DRJ DRK DRL DRM DRN DRO DRP DRQ DRR DRS DRT DRU DRV DRW DRX DRY DRZ
DR&U
1 DR&U Delaware River & Union R.R. 4/1938   NAKINA
2 DR&U Delaware River & Union R.R. Co. (Sun Oil Co.) 7/1930   NAKINA
3 DR&U Delaware River & Union R.R. Co. 8/1920-7/1923   NAKINA
4 DR&U Delaware River & Union R.R. Co. 23-Jul   NRHS
5 DR&U Delaware River & Union R.R. Apr-38   NRHS
6 DR&U DELAWARE RIVER & UNION RAILROAD CO. (SUN OIL CO.)     PWRC