Carlisle Construction Materials LLC is a diversified manufacturer and supplier of building products and related technologies for commercial and residential construction. The company has more than 100 years of history and reports 41 U.S. manufacturing facilities, along with international manufacturing operations. Its businesses include commercial roofing and architectural metal products.
ISO 14001 Environmental Management System
CENTRIACENTRIA is a building-envelope manufacturer whose history traces to H.H. Robertson, a construction-products company launched in 1906. It makes architectural metal wall and roof systems for commercial, institutional, and industrial buildings, and has developed insulated panel and rainscreen platforms over more than a century. CENTRIA is a Nucor company and says its manufacturing practices are focused on reducing its carbon footprint.CORAOPOLIS, PA
Sika CorporationSika Corporation develops and produces construction products and systems, as well as materials for transportation, marine, automotive, and renewable-energy manufacturing. The company reports more than 100 years of experience, operations in 102 countries, and production at over 400 factories; its U.S. offerings include commercial roofing and waterproofing systems and industrial materials.SCRANTON, PA
Westlake Royal Building ProductsWestlake Royal Building Products manufactures building materials for residential and commercial construction, with facilities across the United States and Canada. Its portfolio spans exterior siding and accessories, trim, roofing, architectural stone veneer, windows, and decking. The company says it has more than 50 years of industry leadership and is part of Westlake, a global manufacturer and supplier of materials and products.ELKLAND, PA
GAF Materials LLCGAF Materials LLC manufactures roofing and waterproofing products for residential and commercial buildings. The company describes itself as North America’s largest roofing manufacturer, with product systems ranging from shingles to commercial roofing membranes.MYERSTOWN, PA