- Averigua la letra de tu número de DNI
- Calcula y Verifica un CIF
- Asociaciones de Detectives Privados
- Consejo Internacional de Investigadores Privados
- Global Investigators Network
- World Security Organization
- Comisión Gestora Colegio Detectives CAM
- Colegio de Detectives Privados de la Cataluña
- International Federation of Associations of Private Detectives
- Austria Österreichischer Detektiv-Verband
- Czech Republic Czech Chamber of Detective Servicess
- Denmark Foreningen Danske Detektiver & Erhvervsefterforskere
- Finland Suomen Yksityisetsivä-Ja Lakitoimistoliittory
- France Conseil National Superieur Professionnel des Agents de Recherches Privees
- Syndicat National des Agents de Recherches Privees
- Bund Internationaler Detektive
- Israel Israeli Bureau of Private Investigators
- Italy Federpol
- Japan Mr. Sumio Hiroshima (single member)
- Latvia Bizness Droshiba (single member)
- Netherlands V.P.B. / Sectie A.R.S.
- Norsk Forening for Privat Etterforskning og Sikkerhet
- Portugal R. Guerreiro Detectives
- Russia Alternativa-M
- Switzerland Fachverband Schweizerischer Privat-Detektive
- United Kingdom Association of British Investigators
- World Wide World Association of Detectives Inc
- World Association of Professional Investigators
- NAFI - The National Association of Fraud Investigators
- ION Incorporated
- Global Investigators Network
- Criminólogos
- Webs Amigas
- Galería Virtual de Joyas - Cuerpo Nacional de Policia
