The Great Lakes Timber Professionals Association (GLTPA) is a non-profit organization that is committed to leading the Forest Products industry in sustainable forest management through advocacy, professionalism, service to members, education and training.

The GLTPA has represented members in Wisconsin and Michigan for over 60 years. GLTPA members include loggers, truckers, sawmills, paper manufacturers, private and commercial forest landowners, forestry professionals and outdoor recreational enthusiasts.