Air Services Australia http://www.airservices.gov.au/
A provider of integral air traffic services; the design, creation and maintenance of airways systems; and the provision of aviation rescue and firefighting services.
Air Traffic Control Sri Lanka http://atcsl.tripod.com
Air Traffic Control Sri Lanka, provides all the information in aviation matters. In addition, it caters for anybody who is intersted in the field and related technical developments.
Airways New Zealand http://www.airways.co.nz/
Organisation that controls New Zealand's air space. Services include air traffic control, infrastructural support, international consulting and airline publications.
Austro Control http://www.austrocontrol.co.at/
AUSTRO CONTROL ensures throughout Austria the flow of information necessary for the safety, regularity and efficiency of national and international air navigation.
National Air Traffic Services Ltd http://www.nats.co.uk/
A World Leader in Air Traffic Management, NATS provides safety by ensuring aircraft flying in UK airspace, and over the eastern North Atlantic, are safely separated.
NAV Canada http://www.navcanada.ca/
NAV CANADA provides a complete range of services including: air traffic control, flight and aeronautical information, weather briefings, airport advisory services and electronic aids to navigation.