In 2003, there were about 2,166 regional, national, and international organizations within the state. Among the many forestry-related organizations in Oregon are the International Woodworkers of America (AFL-CIO), Association of Western Pulp and Paper Workers, Pacific Lumber Exporters Association, Western Forest Industries Association, and Western Wood Products Association, all with their headquarters in Portland. The American Lumberjack Association is based in West Linn. State and national conservation issues are represented in part by the Native Fish Society, the Native Forest Council, and the Natural Areas Association.
Other national organizations based in the state are the Hop Growers of America and the North American Bungee Association. Local history is represented in part through the Big Butte Historical Society and the Oregon Trail Travelers, as well as several other regional historical societies.