The Vistawall Group, a division of Butler Manufacturing Company, is a leading supplier of architectural building products, including curtain wall, storefront, entrance, window, skylight and translucent panel systems. The group, which includes Vistawall Architectural Products, Naturalite Skylight Systems, Skywall Translucent Systems and Moduline Window Systems, is a single-source supplier with capabilities that include engineering, extrusion, fabrication, finishing and performance testing.