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