The infusion of Light The daily work at Skandinaviska Glassystem AB is closely linked with the visions of contemporary architecture. Today SG is recognized throughout the world as one of the leading innovators of advanced glass & facade-work. 1994 SG was funded based on our patented technique for glazing without exterior profiles. Today we produce advanced building envelopes using our own systems. What signifies SG is our flexibility and eager to constantly develop our way of thinking to meet and exceed the demands of our clients.