Air Traffic Management

Organisations

Aena, Aeropuertos Españoles y Navegación Aérea (AENA) 
Air Navigation Services of the Czech Rep.
Air Traffic Services of the Slovak Republic
Belgocontrol, ANSP Belgium
Croatia Control, ANSP Croatia
DFS, Deutsche Flugsicherung
ENAV, ANSP Italy
Hungarocontrol, ANSP Hungary
Irish Aviation Authority, ANSP Ireland
Skyguide, Schweizer Flugsicherung
LVNL, ANSP Netherlands
NATS National Air Traffic Services Ltd. Englische Flugsicherung
NAV Canada, ANSP Canada
Navegação Aérea de Portugal, ANSP Portugal
Naviair, ANSP Denmark

Associations:

AATCA, Austrian Air traffic Controllers Association
IFATCA, International Federation of Air Traffic Controllers' Associations
ATCNEA, Air Traffic Communication and Navigation Engineers Association
IFATSEA, International Federation of Air Traffic Safety Electronics Association