This industry group comprises establishments primarily engaged in manufacturing boards, dimension lumber, timber, poles and ties from logs and bolts. These establishments produce lumber that may be rough, or dressed by a planing machine to achieve smoothness and uniformity of size, but is generally not further worked or shaped. Establishments that preserve wood are also included.

This industry group comprises establishments primarily engaged in manufacturing softwood and hardwood veneer and plywood; structural wood members, except lumber; and reconstituted wood panel products. Veneer is produced as a thin sheet of wood of uniform thickness by peeling or slicing logs. Plywood is produced by gluing and compressing together, three or more sheets of veneer, with the grain of alternate sheets usually laid crosswise. Structural wood members are made by laminating, joining and assembling wood components according to specified engineering design criteria. Reconstituted wood panel products are produced by processes involving pressure, adhesives and binders. The laminated products produced in this industry may have layers of materials other than wood.

This industry group comprises establishments, not classified to any other industry group, primarily engaged in manufacturing wood products.