About Whitehall Whitehall is the world's largest manufacturer of weathervanes, but the business points a lot more ways than east, west, north, and south. Inspired by traditional handcrafted designs and quality, Whitehall also makes gorgeous mailboxes, address plaques, and outdoor accents. They're based in western Michigan, building American tradition and quality into every product they make. Made from weather-resistant aluminum. Available in a variety of colors. Features removable locking flap. Dimensions: 14.5W x 15H x 8D inches.