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
O& O2 O3 O4 O5 O6 O7 O8 O9 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OO OP OQ OR OS OT OU OV OW OX OY OZ
OUA OUB OUC OUE OUF OUI OUL OUR OUS OUT
OULF OULU
1 OUL Oklahoma Aviation LLC d/b/a Soulbird Callsign: Soul Bird, USA AVCODES
2 OUL Air Atonabee Limited d/b/a City Express IATA: OU, Callsign: City Express, Designator OU recalled by IATA CDN AVCODES
3 OUL Air Atonabee     ICAO1
4 OULF OUELLETTE FARMS     SCAC3
5 OULU OULUN KONTTIVUOKRAUS OY   FIN BIC