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
DW& DWA DWB DWC DWD DWE DWF DWG DWH DWI DWJ DWK DWL DWM DWN DWO DWP DWR DWS DWT DWU DWV DWW DWX DWY
DWTD DWTE DWTG DWTI DWTJ DWTK DWTL DWTO DWTQ DWTR DWTS DWTV DWTW DWTY
1 DWT Darwin Airline SA Lugano IATA: 0D, Callsign: Darwin, IATA Prefix: 779, Name changed to Etihad Regional. Designator 0D reinstated by IATA. IATA designator changed from 4Y* CH AVCODES
2 DWT Darwin Airline SA IATA: 4Y, Founded in 2003. IATA designator changed to 0D CH AVCODES
3 DWT Darwin Airline SA Lugano IATA: F7, Callsign: Darwin, IATA Prefix: 779, Name changed to Darwin Airline SA d/b/a Adria Airways Switzerland on 20 July 2017. Designator 0D reinstated by IATA. IATA designator changed from 4Y* CH AVCODES
4 DWT Darwin Airline SA Lugano IATA: F7, Callsign: Darwin, IATA Prefix: 779, Changed to using FlyBaboo IATA designator after airlines merged. Designator 0D reinstated by IATA. IATA designator changed from 4Y* CH AVCODES
5 DWT Darwin Airline SA d/b/a Adria Airways Switzerland IATA: F7, Callsign: Darwin, IATA Prefix: 779, Ceased operations on 12 December 2017. Name changed from Darwin Airline SA Lugano d/b/a Etihad Regional on 20 July 2017. Previosuly changed from Darwin Airline SA Lugano. Designator 0D reinstated by IATA. IATA designator changed from 4Y* CH AVCODES
6 DWT Darwin Airline IATA: 0D   ICAO1
7 DWTD D W TRANSPORT LTD     SCAC4
8 DWTE DEEP WATER TRANSPORT ENTERPRISES IN     SCAC4
9 DWTG DOWNEY TRUCKING     SCAC1
10 DWTI DOWING TRANSPORTATION INC     SCAC4
11 DWTJ DW TRUCKING INC     SCAC4
12 DWTK D & W TRUCKING     SCAC4
13 DWTL DOWNTONS TRANSPORT LTD     SCAC4
14 DWTO DOUBLE W TRUCKING     SCAC4
15 DWTQ DW TRADE     SCAC4
16 DWTR DAWITH TRANSPORTATION LTD     SCAC4
17 DWTS DAWS TRUCKING INC     SCAC4
18 DWTV DREWS TRANSPORTATION     SCAC4
19 DWTW D W TRUCKING     SCAC4
20 DWTY D WAY TRUCKING LLC     SCAC4