ANS Finland Oy, Finavia Oyj, Swedavia AB, CAA Nepal, CAA Sweden, Defence forces, Flight calibration crew Finland, Finnish Aviation Academy, Aerial Oy, IAT group ApS Denmark, Lahtis Enterprises UK Ltd, Mahavir Shree International Ltd, MR Soft Company, Opentec systems Ltd, Paradise Honey Ltd, Research Engineers Australia, Tallinn airport Ltd,

Airports:

EEKA, EEKE, EEPU, EETN, EETU, EVRA

EFHA, EFHF, EFHK, EFJO, EFJY, EFKA, EFKK, EFKT EFKU, EFLP, EFMA, EFMI, EFPO, EFRO, EFSA, EFSI, EFTP, EFTU, EFUT, EFVA, EFVR

ESGG, ESSA, ESSB