Air Courier Association
Official site with information on destinations and costs and how to become a member.

Air Courier Travel
Official site of the International Association of Air Travel Couriers.

Alliance International de Tourisme
Non-governmental organization representing touring and motoring associations all over the world.

American Sightseeing International
Worldwide association of sightseeing, tour and charter companies with members in most tourism areas.

European Hotel Managers Association
Official site of a non-profit association representing hotel managers operating first-class and luxury hotels in Europe.

Federation of International Youth Travel Organizations
Official site of the professional association to trade, exchange information and advance the interests of the youth travel industry and the young traveller, with 290 members from 61 countries.

International Airlines Travel Agent Network
Official site of nonprofit organization appointing travel agencies on behalf of its customer airlines.

International Airports Council
Organization representing over 1200 airports across 150 countries.

International Air Transport Association
Official site with list of members, events, products and services.

International Association of Convention and Visitors Bureaus
Official site that includes a travel and tourism calendar and a members directory.

International Association of Golf Tour Operators
Official site of the global trade association of the golf tourism industry.

International Au Pair Association
Official site of a non-profit organisation promoting unity between au-pairs, host families and agencies with a complete list of members.

International Business Travel Association
Official site of global business travel association which represents the interests of 13 national business travel associations.

International Federation of Women's Travel Organizations
Worldwide network of professional women in the travel and tourism industry with member clubs in over 35 countries.

International Gay and Lesbian Travel Association
Official site of the organization dedicated to elevating the standards of the hospitality and travel industry serving the needs of gay and lesbian travellers.

International Hotel and Restaurant Association
Global network representing the hotel and restaurant industry in over 150 countries.

International Student Travel Confederation
Official site with information on the International Student Identity Card.

International Union of Public Transport
Official site of the worldwide association of urban and regional passenger transport operators with over 1800 members from nearly 60 countries.

International Union of Railways
Official site of an organization representing 137 railway companies in 82 countries.

International Youth Hostel Federation
Official site with directory of worldwide hostels and online bed booking service.

Universal Federation of Travel Agents
Organization representing national travel agents' associations of more than 100 countries.

World Airline Entertainment Association
Worldwide network representing more than 100 airlines and 250 airline suppliers and related companies committed to inflight entertainment and communication.

World Airlines Clubs Association
Organization of various clubs of airline employees that unites and promotes the activities of interline clubs throughout the world.

World Tourism Organization
Official site with a list of national tourist organizations.

World Travel and Tourism Council
Global coalition of 100 chief executive officers from all sectors of the travel and tourism industry.

YMCA
Official homepage of the world alliance of YMCA's offering cheap accomodation and holidays.