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
DRWC DRWD DRWF DRWH DRWI DRWJ DRWL DRWO DRWQ DRWR DRWS DRWX DRWY
1 DRWY Denver Ry., Inc. added 1/1990; eliminated 10/1992; 1/1994   NAKINA
2 DRWY Denver Ry., Inc. added 1/90; eliminated 10/92; 1/94   NRHS
3 DRWY RETIRED 11-8-93 ATP (244) {DENVER RAILWAY, INC.]     PWRC