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
H& H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ
HHA HHB HHC HHD HHE HHF HHG HHH HHI HHJ HHK HHL HHM HHN HHO HHP HHQ HHR HHS HHT HHU HHV HHW HHX HHy
HHKG HHKI
1 HHK Helicopters Hong Kong Limited IATA: UO, Callsign: Helihongkong, Name changed to Hong Kong Express Airways Limited HK AVCODES
2 HHK Helicopters Hong Kong Limited IATA: UO, Callsign: Helihongkong, IATA designator changed to UO. Name changed from Helicopters Hong Kong Limited HK AVCODES
3 HHK Helicopters Hong Kong Limited Callsign: Helihongkong, IATA designator changed from UO* HK AVCODES
4 HHKG H & H TRUCKING     SCAC4
5 HHKI HATCHER TRUCKING INC     SCAC4