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 1Q Joint-Stock Company International Technological Corp. Sirena Designator 1Q reinstated by IATA RUS AVCODES
2 1Q Indigo Treks LLC Computer Reservations Systems (CRS) USA AVCODES
3 1Q InteliSys Aviation Systems (2013) Inc Computer Reservations Systems (CRS) CDN AVCODES