Matesz is member of the International Federation of Audit Bureaux of Circulations (IFABC) - www.ifabc.org
The IFABC is a voluntary cooperative federation of industry-sponsored organizations established in nations throughout the world to verify and report facts about the circulations of publications and related data.
Instituto Verificador de Circulaciones
Audit Bureau of Circulations
Österreichische Gemeinschäft zur Festsellung
Centre d'Information sur les Media
Instituto Verificador de Circulacao
Audit Bureau of Circulations
Canadian Circulations Audit Bureau
ABC CR
Dansk Oplagskontrol
Levikintarkastus Oy
Office de Justification de la Diffusion
Informationsgemeinschaft zur Feststellung der Verbreitung von Werbeträgern, e.V.
Hong Kong Audit Bureau of Circulations
Matesz, Magyar Terjesztés-Ellenőrző Szövetség
Audit Bureau of Circulations
Accertamenti Diffusione Stampa
Certificazione Stampa Specializzata e Tecnica
Japan Audit Bureau of Circulations
Korea Audit Bureau of Circulations
Audit Bureau of Circulations
MEXICO
Instituto Verificador de Medios
HOI, Instituut voor Media Auditing
Audit Bureau of Circulations
NORWAY
Norsk Mediekontroll
Zwiazek Kontroli Dystrybucji Prasy
Associacao Portuguesa para o Controlo de Tiragem e Circulacao
Biroul Roman de Audit al Tirajelor
National Circulation Service of Russia
Audit Bureau of Circulations Singapore
Informacion y Control de Publicaciones
Tidningsstatistik AB
AG fur Werbemedienforschung
ABC Turkey
Audit Bureau of Circulations
Audit Bureau of Circulations
BPA Worldwide
Certified Audit of Circulations Inc.