Cornerstone Building Brands is the largest manufacturer of exterior building products in North America, servicing commercial, residential and repair and remodel markets. We're the #1 manufacturer of vinyl siding, windows and metal accessories as well as North America's top choice in metal roofing, and wall systems.
WVMA is West Virginia's leading voice in manufacturing. We champion policies at both state and federal levels, collaborating with groups like the American Chemistry Council. Our members receive exclusive expertise in environmental protection, workers' compensation, tax, and safety, along with enhanced industry connections.
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