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Ply Gem Industries (Siding & Windows)

ManufacturerUnclaimed

Vinyl and composite siding, trim, soffit, and specialty exterior building products.

Cary, NC, United States 🇺🇸Founded 1943500+ employeesplygem.com
G7G20

What to check

  • Real, operating business · Website live (Jun 2026)
  • Delivers what it claims · Certifications verifiable

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About

Ply Gem (now part of Cornerstone Building Brands) is one of the largest manufacturers of exterior building products in North America, producing a comprehensive portfolio of vinyl siding, soffit, trim, fence, railing, and stone veneer products for residential new construction and remodeling. The company's brands include Variform, Mitten, Napco, Cellwood, and Georgia Pacific Building Products siding, distributed through home centers, building product dealers, and specialty distributors. Ply Gem products are manufactured at facilities across the US and Canada serving builders, contractors, and remodelers.

Primary markets
🇺🇸 United States 🇨🇦 Canada
Certifications (declared)