Rockshield Engineered Wood Products operates a plywood overlay mill in Cochrane, Ontario, specializing in hardwood plywood products. Founded in 1963, the company produces panels primarily made from aspen core plywood, overlaid with hardwood veneers such as oak, cherry, maple, and birch. Rockshield's products are designed for various applications, including cabinetry and furniture making, and are marketed both domestically and internationally. The company emphasizes sustainable forestry practices and is committed to producing high-quality, Canadian-made wood products.