- GACA – Saudi Arabia
- EANA (Argentine Air Navigation Company) - Argentina
- FREQUENTIS smartMessenger - Exchanging AMHS messages in the Baltic Region
- CCAA
- CCAA (Croatian Agency for Civil Aviation)
- CAD (Civil Aviation Directorate) - Canada
- CADSUR - Suriname
- Civil Aviation Authority Cameroon
- ANAC - Brazil
- ENAV S.p.A. - Italy