Штифтунг Варентест
ICRT's major members are: Which? (United Kingdom), Consumer Reports (United States of America), Stiftung Warentest (Germany), Association des Consommateurs "Test Achats" (Belgium), Union Fédérale des Consommateurs "Que Choisir" (France), Consumentenbond (Netherlands). ICRT has member organisations in Europe, Asia Pacific, Latin America and Africa.