ISO elaborates and issues general acceptable international standards from all fields of humane activity, in collaboration with IEC and ITU from field of electro-techniques, information technologies and telecommunications, therewith creating the system for global standardization. According to International Classification for Standards (ICS) system of quality was sorted in the frame of group ICS=03.120. This paper provides a survey of the international standards with special retrospective on the quality management systems. For field of quality there exists 167 ISO, 70 IEC and 57 EN standards, last updated on 30.09.2009.