The Barrel Mill is a cooperage in Central Minnesota specializing in manufacturing premium oak barrels for the craft spirit industry. We are also the patent-holder and world producer of The Oak Infusion Spiral oak alternative. We use only the highest grade oak available to the industry, selected for uniform grain tightness and aged outdoors to achieve tannin reduction, proper moisture content and development of complex wood compounds. Our oak is seasoned for a minimum of 24 months. Our family has been in the lumber business for over 100 years. In 2004, we purchased the cooperage and applied our expertise and knowledge gained from nearly a century in wood and woodworking. Combined with extensive investments in new machinery with state-of-the-art technology we have built The Barrel Mill into a leading brand name that represents quality products for the beverage industry. The Oak Infusion Spiral is our patented oak alternative used to add flavor and aroma to fine wine, but also can be applied to whiskey, rum and beer. It has been used in thousands of wines since 2005 with outstanding results from every major wine region in North America. The unique spiral-cut design creates unrivaled surface area in a small package, allowing fast extraction of the toasted oak's aroma and flavor compounds with refined integration in the wine.