Professors, experts, scientists, directors and university students in all tendencies of engineering, sciences
Universities, study centers and all research and educational institutes
All policy-making organs in engineering, sciences
Ministries, organizations, committees and staffs active in this area
Municipalities and affiliated organizations
Guild unions and non-governmental organization in engineering, sciences
All consulting companies and executive in engineering projects
All policy-making organizations, departments and organs in engineering, sciences
Companies, technical and engineering offices, contractors, mass constructors and employers