Select Independent Distributors of America, Inc. (S.I.D.A.) is a group of roofing and exterior building supply distributors whose mission is to serve our customers' needs by offering the power of collective purchasing, negotiating strength, experience, knowledge and expertise. Each S.I.D.A. member is independently owned and operated. S.I.D.A. members share the same belief in providing individual attention to our customers, delivering high-quality products and materials, and offering unparalleled service that is second-to-none.