Kohler City Hardwoods has been the chief furniture grade hardwood supplier of Barnhart for 35 years. We are more than just a supplier of lumber. We're also here to offer you our years of time-tested experience. We're dedicated to providing professional builders and do-it-yourself home owners with a broad range of hardwoods and knowledgeable customer service.. Red Oak White Oak Walnut Cherry Maple Eastern Red Cedar Elm Hickory Fireplace mantle pieces also available. Wood slab pieces to make tables.