International Organization for Standardization (ISO)
Ελληνικός Οργανισμός Τυποποίησης
Εθνικό Σύστημα Διαπίστευσης A.E. (E.ΣY.Δ.)
European Foundation for Quality Management
American Society for Quality
National Institute of Standards & Technology
Center for Quality of Management
Institute of Quality Assurance
International Register of Certified Auditors
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