Your best The Reggio Register Company is a state-of-the-art facility where the special molds are designed and the castings are carefully inspected, processed and powder coated with a durable and attractive finish. Don’t see your size? We have you covered! We can customize brass, steel and aluminum to allow you to create practically any size. Incredibly detailed grills are perfect for even the most complicated designs. Reggio Register® grilles are manufactured to last a lifetime and are the finest available in America. They can be found in public buildings, historic sites and fine homes throughout the U.S.