ANS Finland Oy, Finavia Oyj, Swedavia AB, CAA Nepal, CAA Sweden, Defence forces, Flight calibration crew Finland, Fintraffic Oy, Aerial Oy, IAT group ApS Denmark, Janakom Oy, KMG Inseneriehituse AS Estonia, 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, ESGJ, ESMQ, ESNS, ESOK, ESSP