"Sigma-Stroy" is engaged in construction of prefabricated commercial pavilions and the Fairgrounds. The firm provides a range of services which includes design, production, installation of prefabricated buildings of metal constructions, sandwich panels and polycarbonate systems. Production facilities, high quality equipment, professionalism of employees allow to produce the rooflights of all shapes and levels of difficulty. Designs are made according to typical and individual projects.