Slovenian Air Force
Maintenance and modifications of L 410 aircraft
Silver Air
Maintenance and modifications of L 410 fleet
Icar air
Maintenance and modifications of L 410 fleet
Van Air Europe
Maintenance and modifications of L 410 fleet
Aircraft Industries (LET)
Modifications of L 410 aircraft
TOMARK, s.r.o.
Modifications of Viper Viper SD-4 RTC / Viper SD-4 Night-VFR aircrafts
And others