No. 18 Stimson Family
500,000 acres (NEW TO LIST)
One of the oldest forest products companies in the nation, Stimson Lumber Company pre-dates the Civil War. The family owns significant fir, pine, and cedar operations in Idaho, Montana, Oregon, and Eastern Washington. In addition, the Stimson-Miller Foundation offers grants to civic, cultural, educational, and health and human services organizations as well as scholarships to children of employees.