ATPCO
   Collection and distribution of fare and fare related data for the airline and travel industry. Travel data services and solutions, including revenue accounting and decision support systems.
   http://www.atpco.net/

Aeronautical Repair Station Association
   International trade group for certificated aeronautical repair stations. Includes news, legislation, publications, and links.
   http://www.arsa.org/

Air America Association
   By and for the employees of Air America, and those who have interest in Air America.
   http://www.air-america.org/

Air Transport Association of Canada
   Commercial aviation organization.
   http://www.atac.ca/index.html

Airports Council International
   The international association of the world's airports. ACI fosters cooperation among its member airports and with other partners in world aviation, including governmental, airline and aircraft manufacturing organizations.
   http://www.airports.org/

Airports Council International/North America
   North American association representing airport owners and operators.
   http://www.aci-na.org/

Allied Pilots Association
   The collective bargaining agent for American Airlines pilots.
   http://www.alliedpilots.org/

American Association of Airport Executives
   Includes data about members, meeting schedule, news and an information Library.
   http://www.aaae.org/

Aviation Instrument Association
   Group of FAA Certified aviation repair stations and manufactors.
   http://www.aia.net/

Board of Airline Representatives, Hong Kong
   Represents, promotes and protects the common interests of its members in Hong Kong. Its goal is to improve the commercial and operational conditions for airlines active in the area.
   http://www.bar.org.hk

British Airport Suppliers and Equipment Association
   Airport supply industries offering a wide range of equipment and services to support the planning, management and operation of an airport. Includes a searchable index of suppliers and services .
   http://www.basea.org.uk/

Bureau d'Enquêtes d'Analyses
   Provides news, reports and general information on the French organization responsible for technical investigation of civil aviation accidents.
   http://www.bea-fr.org/

Canadian Business Aircraft Association
   Represents the interests of business aviation operators, manufacturers, and suppliers. Annual trade show and convention.
   http://www.cbaa.ca/

Cargo Airline Association
   The US voice and resource for members of the all-cargo air carrier industry, and others in the air cargo marketplace that depend on these services. Based in Washington, DC.
   http://www.cargoair.org/

Clipped Wings
   Past and present United Airlines flight attendants. Includes information on membership, philanthropy, and local chapters
   http://www.clippedwings.com/

Eastern Region Helicopter Council
   Established to foster an active exchange of ideas and information among the helicopter operators in the Northeast United States.
   http://www.erhc.org/

Eurocontrol
   European organization for the safety of air navigation.
   http://www.eurocontrol.int/

European Regions Airline Association
   The representative body for regional air transport throughout Europe.
   http://www.eraa.org/

Flight Attendants.org
   An international discussion site for crewmembers.
   http://www.flightattendants.org/

General Aviation Serving America
   Describes general aviation's role in the U.S. economy and the role it plays in the daily lives of all Americans.
   http://www.gaservingamerica.org/index.htm

Houston Air Cargo Association
   A non-profit organization comprised of members dealing with international and domestic air cargo transportation. Includes organization and membership information, newsletters, employment opportunities and a photo gallery.
   http://houstonaircargo.org/

International Aviation Online
   The FAA Office of International Aviation, the US government's focal point for international aviation policy development and training supporting a safe, secure and efficient global aerospace system.
   http://www.intl.faa.gov/

International Flight Catering Association
   Forum and representative body for companies involved in the inflight and railway catering industry. Includes information on news and events, publications, education, membership and contacts .
   http://www.ifcanet.com/

International Inflight Food Service Association
   A global professional association is dedicated to the advancement of the art and the science of the multi-billion dollar inflight and rail food service industry.
   http://www.ifsanet.com/index.html

National Business Aviation Association, Inc.
   Represents the aviation interests of companies that own or operate general aviation aircraft as an aid to the conduct of their business, or are involved with business aviation.
   http://www.nbaa.org/

Radio Technical Commission for Aeronautics
   Developing recommendations regarding communications, navigation, surveillance, and air traffic management.
   http://www.rtca.org/

The Air Transport Action Group
   Independent coalition of air transport industry organizations united to press for economically beneficial aviation capacity improvements in an environmentally responsible manner.
   http://www.atag.org/

The CAUSE Foundation
   Assisting United Airlines flight attendants and their families worldwide.
   http://www.thecausefoundation.org/

The International Air Transport Association
   To represent and to serve the airline industry.
   http://www.iata.org

The National Coalition for Aviation Education
   A clearing house for aviation and aerospace education materials.
   http://www.aviationeducation.org/

Travel Agency Commissioner
   Describes the authority, powers and procedures of the Travel Agency Commissioner, which acts as a referee in certain disputes which may arise involving a travel agent.
   http://www.travel-agency-commissioner.aero/