SSI is a Wisconsin manufacturer of solar mounting systems, affiliated with Physical Systems Inc. (PSI) physysinc@aol.com a full service machine shop, equipped with CNC milling, turning and fabrication machinery.  PSI provides SSI the ability to customize all sorts of module mounting systems. 

Our Business

SSI manufactures the most rugged and comprehensive line of solar mounting systems and components in the solar industry.  Providing a complete source of solar products.