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
F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ
FFA FFB FFC FFD FFE FFF FFG FFH FFI FFJ FFK FFL FFM FFN FFO FFP FFQ FFR FFS FFT FFU FFV FFW FFX FFY FFZ
FFUL FFUN FFUT FFUU
1 FFU GEC Marconi Avionics Ltd. Callsign: Ferranti, Name changed from Ferranti Ltd GB AVCODES
2 FFU Ferranti Ltd Callsign: Ferranti, Name changed to GEC Marconi Avionics Ltd. GB AVCODES
3 FFU GEC Marconi Avionics     ICAO1
4 FFUL FESTINO FUEL CO INC     SCAC4
5 FFUN FOUR FUN TOURS     SCAC3
6 FFUT FOWLER FUELS TRANSPORT INC     SCAC3
7 FFUU FF LOCATION   F BIC