"Sigma-Stroy" is engaged in the construction of prefabricated commercial pavilions and the Fairgrounds. The firm provides a range of services, which includes the design, manufacture, installation of prefabricated objects made of metal, sandwich panels and polycarbonate systems. Production facilities, superior 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.