Your Satisfaction is the Key to Our Success. We strongly believe that our success depends on the success of our customers. Washington Alder's primary mission is to manufacture and distribute the very highest quality Alder, Birch and Maple hardwood lumber for the worldwide furniture and cabinet industries. We strive to provide our customers with lumber that helps them to be as efficient and profitable as possible. We also know how important availability is for our customers and work very hard to provide the exact lumber you need, when you need it.