| 1. Air Navigation Services of the Czech Republic |
| Air Navigation Services of the Czech Republic ensures flow of information necessary for safety, regularity and efficiency of international and national air traf |
| http://www.ans.cz/ |
| 2. Air Services Australia |
| A provider of integral air traffic services; the design, creation and maintenance of airways systems; and the provision of aviation rescue and firefighting services. |
| http://www.airservices.gov.au/ |
| 3. Air Traffic Control Sri Lanka |
| 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. |
| http://atcsl.tripod.com |
| 4. Air Traffic and Navigation Services Company Limited |
| ATNS is responsible for the efficient running of South Africa's Air Traffic Control Systems, the maintenance of which includes the deployment of ATNS Air Traffic Controllers and Avionician technical staff. |
| http://www.atns.co.za/ |
| 5. Airways New Zealand |
| Organisation that controls New Zealand's air space. Services include air traffic control, infrastructural support, international consulting and airline publications. |
| http://www.airways.co.nz/ |
| 6. Austro Control |
| AUSTRO CONTROL ensures throughout Austria the flow of information necessary for the safety, regularity and efficiency of national and international air navigation. |
| http://www.austrocontrol.co.at/ |
| 7. Cyberhome of Indian Air Traffic Controllers |
| Official web site of the Air Traffic Controllers' Guild (India)- the association of Indian Controllers. An attempt to present the aviation scene in India as perceived by the Indian ATCs. |
| http://www.atcguild.com |
| 8. DFS Deutsche Flugsicherung GmbH |
| DFS is responsible for air traffic control and radio navigation facilities in Germany. |
| http://www.dfs.de/ |
| 9. Ente Nazionale di Assistenza al Volo |
| International character for the managed air traffic services in Italy. |
| http://www.enav.it |
| 10. EuroControl |
| European Organization for the safety of air navigation. |
| http://www.eurocontrol.be/ |
| 11. EuroControl Guild of Air Traffic Services |
| Promotes the safety, efficiency and regularity of international air navigationand to protect and safeguard the individual and general interests of its members. |
| http://www.egats.org/ |
| 12. FAA - Federal Aviation Administration |
| US Government aviation authority. |
| http://www.faa.gov/ |
| 13. Finnish Air Traffic Controllers Association |
| Finnish Air Traffic Controllers Association represents 95% of the Air Traffic Controllers in Finland (total 261 members. |
| http://www.sljy.org/ |