Mmi doors. MMI DOOR offers thousands of premium, high-quality door options for exterior, interior, patio and security. Find thousands of doors to choose from for exterior, interior, storm and patio applications. MMI DOOR offers a variety of interior doors for different styles, sizes and budgets. Customize your dream door, view it on your home, and order online with the MMI DOOR Viewer App. Jul 7, 2021 ยท MMI DOOR is a subsidiary of JELD-WEN Holdings Inc. With 3 locations, MMI DOOR is a true, single source door provider. Learn more about their history, product offering and contact information. Get free shipping on qualified MMI Door Exterior Doors products or Buy Online Pick Up in Store today in the Doors & Windows Department. Learn about wood paneled, molded, flush, pre-finished, glass, louver, slab, prehung, bifold, bypass, Dutch and pocket doors. Choose a modern front door with multiple panels and textured- or frosted-glass windows.