In 2003, there were about 841 regional, national, and international organizations within the state. Among the organizations with headquarters in Maine are the Maine Potato Council (Presque Isle), the Maine Lobstermen's Association (Stonington), the Wild Blueberry Association of North America (Bar Harbor), and the Potato Association of America (Orono).
State and local organizations for arts and education include the Bluegrass Music Association of Maine, Maine Arts Commission, the Maine Folklife Center, the Maine Historical Society, the Maine Humanities Council, Maine Preservation, and the National Poetry Foundation, based at the University of Maine. There are a number of smaller local arts organizations and municipal and regional historical societies as well.