Macedonian Association of Structural Engineers (MASE) is a professional, scientific, voluntary, non-profit organization, founded in the year 1976 to initiate and promote professional development, development of scientific research and various forms of scientific and professional cooperation between the structural, but also all other engineers. The objectives of MASE are to gather and organize engineers in the field of structural engineering, to disseminate the results of scientific and professional research, to follow modern development of science and technology and indicate trends and changes. MASE organize events related to structural engineering and the biggest event is the International Symposium of MASE which is organized every second year.