NCI, Ply Gem Create Cornerstone Building Brands

The largest manufacturer of exterior building products in North America debuts a new name and mission.

NCI Building Systems, Inc., which recently merged with Ply Gem Building Products, has announced it will officially operate as Cornerstone Building Brands and trade under the ticker symbol “CNR” on the New York Stock Exchange effective May 24, 2019.

The new name represents the company’s unified commitment to business transformation that will drive future growth and effectively serve customers and communities across North America. The term Cornerstone, which is the foundation upon which something greater is built, refers to and emphasizes the essential role the company’s products and solutions play in residential and commercial projects, from churches and schools to hospitals, homes and government buildings.



Through a relentless commitment to provide exterior building solutions, Cornerstone Building Brands will enable the communities it serves to grow and thrive. “We are dedicated to our customers and well positioned to lead the residential and commercial markets as Cornerstone Building Brands, and to make positive contributions to the places where people live, work and play,” says James S. Metcalf, chairman of the board and chief executive officer.

“Through continued operational excellence and innovation, Cornerstone Building Brands is creating industry solutions that will become the cornerstone of countless communities. Our all-encompassing transformation will drive sales, efficiencies, customer satisfaction and enhance employee and community support,” he adds.

Offering a comprehensive product portfolio that will continue to go to market through its existing brand names, Cornerstone Building Brands is the trusted leader in windows, vinyl siding, insulated metal panels, metal roofing and wall systems and metal accessories, serving as a one-stop shop for customers. With its manufacturing facilities strategically located across North America, Cornerstone Building Brands brings a commitment to advanced manufacturing, innovation and research and development.

The company is also dedicated to implementing and executing several community-focused programs including the Home for Good project, a campaign that will continue to serve as a key corporate initiative and has helped build and remodel more than 500 homes in 90 communities across the U.S. since 2016. Furthermore, the company offers help to its workforce through an employee assistance program that supports those who are facing financial hardship following natural disasters or unforeseen personal hardship.

“The combined strength and balance of our residential and commercial sectors uniquely positions us to lead the market,” Metcalf says. “We are dedicated to delivering an unmatched portfolio of products and look forward to the positive impact Cornerstone Building Brands will have not only on our customers but also in the fabric of the communities we call home.”

The changes to the company’s name and ticker symbol are expected to be effective following shareholder approval at the company’s annual meeting of shareholders being held May 23.

For more information on Cornerstone Building Brands, visit

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