What company makes Masonite doors?

Masonite doors are made by Masonite International Corporation, which is one of the largest door manufacturers in the world, headquartered in Tampa, Florida, and publicly traded on New York Stock Exchange under ticker DOOR. Masonite was founded in 1925 by William H. Mason, who invented hardboard, a type of engineered wood made from wood fibers and resin. Masonite International manufactures interior and exterior doors including molded interior doors, flush doors, steel entry doors, fiberglass entry doors, and wood entry doors at plants in the United States, Canada, and internationally. Masonite has manufacturing plants in many locations including Florida, California, and other states, plus facilities in Canada, Mexico, and Europe. Masonite International was acquired by Owens Corning in 2024, which is a large building materials company, so Masonite is now a subsidiary of Owens Corning, which also owns insulation and roofing products. Despite acquisition, Masonite brand continues as Masonite doors. Masonite doors are sold at Home Depot, Lowes, Menards, lumber yards, and authorized dealers. So the company that makes Masonite doors is Masonite International Corporation, now owned by Owens Corning, founded in 1925 and headquartered in Tampa, Florida.