Europe
- European co-operation for Accreditation- European Committee for Electronical Stadardization
- European Committee for Standardization
- European Foundation for Quality Management
- European Organisation for Quality
- European Proficiency Testing Information System
- Vereniging Overleg Certificatie-instellingen (VOC)
International
- International Accreditation Forum- International Laboratory Accreditation Cooperation
- International Organisation for Standardization
- ISO 9001 Auditing Practices Group (ISO/TC176&IAF)
- Virtual Institute for Reference Materials
- World Trade Organisation