Where are Masonite doors manufactured?

Masonite doors are manufactured in the United States, Canada, Mexico, and internationally at many plants, with headquarters in Tampa, Florida. Masonite International Corporation operates manufacturing plants in many locations including Florida, California, and other states for interior molded doors and exterior steel and fiberglass doors. Major US plants include facilities in Florida, California, and Midwest for door production. Masonite also has plants in Canada for interior and exterior doors serving Canadian market, plus plants in Mexico for components and doors. Internationally, Masonite has plants in United Kingdom, Chile, and other countries through global operations. Masonite was founded in 1925 in Laurel, Mississippi, and has grown to global manufacturer. Masonite interior molded doors sold at Home Depot and Lowes are primarily made in US and Mexico plants, while steel and fiberglass entry doors are made in US plants with steel and fiberglass skins and foam core injection. All Masonite doors sold in North America are primarily made in US, Canada, and Mexico with final assembly and quality control done there, though some components like hardware and glass may be sourced globally. Masonite emphasizes North American manufacturing with many plants employing local workers, producing millions of doors annually. Masonite is now owned by Owens Corning but continues manufacturing at existing plants.