Sazan designing and quality assurance group entered the country’s engineering arena in order to make significant changes in the field of developing structures in accordance with reliable standards and codes or regulations of designing. This group, taking part in eminent projects while relying on efficient and experienced forces in the field of design and quality assurance, has proven its capability for a secure and efficient attendance in construction industry. Conserving and protecting natural resources is one of the Sazan main missions based on which a significant step has been taken in the field through production and application of native and professional software in structural design to achieve the best possible designing facilities. Planning in the field of promoting the quality of designing and building structures based on international standards are other main activities of the group which realizes achieving the predetermined goals in structures’ plan with the highest available quality. Permanent attempts of Sazan group have been in knowledge-based activities and it always reflects possible changes in its activities as per the latest findings in the world. In this regard, given the country’s need to the existence of applied books in the field of structures’ designing and quality assurance, Sazan group has taken efficient and certain steps in this area; and, participating in standard setting, translating, and writing books as well as providing guidance form the fundamental section of the group’s agenda.