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| ACI Europe - http://www.aci-europe.org/ Represents the interests of over 210 airports operators with some 450 airports in 48 countries stretching from Portugal to the far east of Russia. |
| ACI North America - http://www.aci-na.org/ Represents local, regional, state, and national governing bodies that own and operate commercial airports in the United States and Canada. |
| ACI Pacific Region - http://www.aci-pacific.org/ Representing more than 125 Pacific Rim airports and a branch of Airports Council International (ACI), which fosters cooperation among its member airports and other partners in world aviation. |
| Airport Ground Transportation Association (AGTA) - http://www.agtaweb.org/ Group of operators, airport authorities, and industry suppliers dedicated to improving services for the airline traveling public. |
| AirportNet - American Association of Airport Executives - http://www.airportnet.org/ Dedicated to providing services to the individual professionals in airport management. |
| Airports Council International (ACI) - http://www.airports.org/ International association that fosters cooperation among member airports and other partners in aviation, including governmental, airline, and aircraft manufacturing organizations. |
| International Air Rail Organization (IARO) - http://www.iaro.com/ Professional group whose member companies plan, develop, build, and operate rail links to airports. |