Atlas Roofing Corporation - MPS specializes in the development and manufacture of innovative, high performance molded polystyrene rigid insulation for construction, packaging and OEM applications. With plants across the United States, Atlas Molded Products can provide product solutions coast-to-coast.Atlas Molded Products is a division of Atlas Roofing Corporation which is made up of 4 major divisions: Molded Products, Polyiso Roof & Wall Insulation,Shingles & Underlayments, and Web Technologies.