Atrium Windows & Doors (part of Cornerstone Buildi

Atrium Windows & Doors manufactures energy-efficient vinyl replacement and new-construction windows and sliding patio doors for the residential market across North America. The brand is now part of Cornerstone Building Brands, a manufacturer of exterior building products, with its largest campus and headquarters in Welcome, North Carolina. Atrium focuses on value-oriented vinyl windows and patio doors sold through dealers, distributors and retailers.