Manufacturer of Custom Wood Doors Thank you for visiting our website. We have been producing innovative custom design wood door products since 1984. We are proud to have been providing high end door products to the home builders through finish carpentry installation companies, architectural companies, and other companies who sell to contractors. Grand American Doors specializes in the production of custom stile and rail entry doors and French doors, including fixed louver doors with chevron, false, and plantation louvers.