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
DGA DGB DGC DGD DGE DGF DGG DGH DGI DGK DGL DGM DGN DGO DGP DGR DGS DGT DGU DGV DGW DGX DGZ
DGNA DGNC DGNK DGNO DGNR DGNS DGNV
1 DGNO Dallas, Garland & Northeastern R.R., Inc. 1/1994; added 7/1994; 7/2000-7/2005   NAKINA
2 DGNO Dallas, Garland & Northeastern R.R., Inc. 1/94; added 7/94; 7/2000   NRHS
3 DGNO DALLAS, GARLAND & NORTHEASTERN RAILROAD, INC.     PWRC
4 DGNO Dallas, Garland and Northeastern Railroad     RSRV
5 DGNO DALLAS GARLAND & NORTHEASTERN RAILR     SCAC4
6 DGNO Dallas, Garland & Northeastern R.R., Inc.   USA TRAFFIC