The National Air Traffic Controllers Association - NATCA members are U.S. controllers in public and private sectors and Federal Aviation Administration engineers. IFATCA (International Federation of Air Traffic Controllers) - The non-political and non-industrial world professional organization representing approximately 40,000 air traffic controllers in more than 100 countries. The Canadian Air Traffic Control Association - To promote the status, working conditions, compensation and security of the membership and to promote aviation safety. Professional Women Controllers - An association of both men and women professional air traffic controllers. 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. 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.