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
1A 1B 1C 1D 1E 1F 1G 1H 1I 1J 1K 1L 1N 1P 1Q 1R 1S 1T 1U 1V 1W 1X 1Y 1Z
1 1R Hainan Phoenix Information Systems Ltd. Computer Reservation System PRC AVCODES
2 1R Bird Information Systems Private Computer Reservation System IND AVCODES
3 1R JR Technologies Ireland   IRL AVCODES