NCI Building Systems

NCI Building Systems, Inc. merged with Ply Gem Parent, LLC in November 2018. In April 2019, the newly-formed company announced that it would officially operate as Cornerstone Building Brands, headquartered in Cary, North Carolina. Cornerstone Building Brands is the largest manufacturer of exterior building products in North America servicing the commercial, residential and repair & remodel markets.

NCI Building Systems

NCI Building Systems, Inc. merged with Ply Gem Parent, LLC in November 2018. In April 2019, the newly-formed company announced that it would officially operate as Cornerstone Building Brands, headquartered in Cary, North Carolina. Cornerstone Building Brands is the largest manufacturer of exterior building products in North America servicing the commercial, residential and repair & remodel markets.