The SPIB Mark on treated wood products has long been accepted in the marketplace as a symbol of quality.

Western Wood Services is a division of SPIB dedicated to products and producers in the western U.S. Though WWS is a new venture, it incorporates the same dedication and experience that is the foundation of SPIB's reputation for excellence. Currently, WWS Third-Party Audit Services are available for lumber and treated wood inspection needs by personnel who are knowledgeable and experienced in western wood products.