TAMKO Building Products, Inc. is one of the nation's largest independent manufacturers of residential and commercial roofing products (including Heritage Asphalt Shingles and Metalworks Steel Shingles), decking and railing products, waterproofing, cements and coatings. With more than 65 years in the industry, TAMKO's success is the direct result of teamwork and enduring relationships with customers, suppliers and employees. Privately owned, TAMKO is committed to producing top - quality products with superior product support.