Association of Certified Background Investigators
Association of Investigators and Security Professionals
UNIÃO NACIONAL DE DIRIGENTES DE AGENCIAS DE INFORMAÇÕES E INVESTIGAÇÕES
Alberta Association of Private Investigators
Council of Private Investigators -Ontario
Professional Investigators’ Association of British Columbia
Association of Danish Detectives
Coordination Nationale Des Detectives Et Enqueteurs Professionnels (email address)
France Detectives
Association of German Private Investigators
Italian Association of Private Investigators
Italian Federation of Private Detectives, Investigators and Security Informations
Associação de Detectives Privados Profissionais de Portugal
South African Council of Civil Investigators
Spanish Association of Private Invastigators
Fachverband Schweizerischer Privat-Detektive
Association of British Investigators
World Association of Professional Investigators