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
99 9A 9B 9C 9D 9E 9F 9G 9H 9I 9J 9K 9L 9M 9N 9O 9P 9Q 9R 9S 9T 9U 9V 9W 9X 9Y
1 9Q PB Air Company Limited ICAO: PBA, Callsign: PeeBee Air, IATA Prefix: 543, Ceased operation on 21 December 2009. Designator 9Q* reinstated by IATA T AVCODES
2 9Q Caicos Express Airways ICAO: CXE, Callsign: Caicos, TC AVCODES