The Appalachian state that is a leading producer of hardwood lumber is Pennsylvania.

Pennsylvania boasts extensive forests rich in hardwood species, making it a significant player in the hardwood lumber industry. The state's diverse woodlands provide valuable resources, including oak, maple, cherry, and walnut, which are highly sought after for furniture, flooring, and cabinetry. The hardwood industry plays a vital role in Pennsylvania's economy, supporting jobs in logging, milling, and manufacturing, while also contributing to sustainable forestry practices in the region.