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
DHA DHB DHC DHD DHE DHF DHG DHH DHI DHK DHL DHM DHN DHO DHP DHQ DHR DHS DHT DHU DHV DHW DHX DHZ
DHCI DHCO DHCR DHCU
1 DHC De Havilland, Inc. Callsign: De Havilland, CDN AVCODES
2 DHC De Havilland Aircraft of Canada Ltd Callsign: De Havilland, CDN AVCODES
3 DHC De Havilland     ICAO1
4 DHC DONNER-HANNA COKE INC.     PWRC
5 DHCI D & H CONTRACTING INC     SCAC4
6 DHCO DEPENDABLE HEATING & COOLING.LLC     SCAC4
7 DHCR D H C TRUCKING INC     SCAC4
8 DHCU D H CARGA S A   YV BIC