Real world company prefixes

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X36
1 X3 Baikal Airlines ICAO: BKL, Callsign: Baikal, RUS AVCODES
2 X3 Hapag-Lloyd Express GmbH ICAO: HLX, Callsign: Excellence, D AVCODES
3 X3 Hapag-Lloyd Express GmbH ICAO: HLX, Callsign: Yellow Smile, Merged into TUIFly GmbH. D AVCODES
4 X3 TUIfly GmbH ICAO: TUI, Callsign: Tuifly, IATA Prefix: 617, Name changed from Hapag Lloyd Fluggessellschaft mbH, ICAO callsign changed from Hapag Lloyd. IATA designator changed from HF w.e.f. 01 October 2010. ICAO designator changed from HLF w.e.f. 01 October 2010. D AVCODES
5 X36       TRAFFIC