CENTREX (International Exhibition Statistics Union), Hungary:
http://www.centrexstat.org
Germany - AUMA:
http://www.auma.de
AIPC (International Association of Congress Centres), Belgium:
http://www.aipc.org
APECC (Asia Pacific Exhibition & Convention Council), Australia:
http://www.apecc.org
BIE (Bureau International des Expositions), France:
http://www.bie-paris.org
CEFA (Central European Fair Alliance), Hungary:
http://www.cefa.biz
EMECA (European Major Exhibition Centres Association), France:
http://www.emeca.com
IACVB (International Association of Convention & Visitor Bureaus), USA:
http://www.iacvb.org
IAEM (International Association for Exhibition Management), USA:
http://www.iaem.org
ICCA (International Congress and Convention Association), Netherlands:
http://www.iccaworld.com
IELA (International Exhibition Logistics Associates), Netherlands:
http://www.iela.org
IFES (International Federation of Exhibition Services), Belgium:
http://www.ifesnet.com
InterExpo (Association of Organisers of National Group Participations in International Trade Fairs and Exhibitions), Netherlands:
http://www.inter-expo.com
ITTFA (The International Tourism Trade Fairs Association), UK:
http://www.ittfa.org
WTCA (World Trade Centers Association), USA:
http://www.wtca.org
2. Exhibition Databases
Data on tradeshows worldwide:
http://www.expodatabase.com
Data on tradeshows worldwide, and on German tradeshows:
http://www.auma.de
Data on tradeshows worldwide, and on Japan tradeshows:
http://www.jetro.go.jp/j-messe/e/
Data on tradeshows worldwide, and on Ukrainian tradeshows:
http://www.expoua.com
Data on tradeshows worldwide (in Japanese, Chinese, and English language):
http://www.tradefairguide.com
Data on tradeshows worldwide (in English, German, French, Spanish, Italian, Russian, Turkish and Greek Language):
http://www.exporama.com
3. National Associations related with the Exhibition Industry
Germany: Institute of Trade Fair Management and Distribution Research (University of Cologne)
http://www.uni-koeln.de/wiso-fak/messe
Great Britain: Farrugia Leo Research & Consultancy
http://www.farrugialeo.com
Italy: Cermes - Research Centre on Markets and Industrial Sectors (Bocconi University, Milan)
http://www.uni-bocconi.it/eng
USA: CEIR - Center for Exhibition Industry Research
http://www.ceir.org
USA: GPJ - Trends in Event Marketing
http://www.gpjco.com
Russia: ERC - Exhibition Research Center
http://www.exporesearch.ru