Butler County Chamber of Commerce 101 East Diamond Street, Suite 116, Butler, PA 16001, 724-283-2222, Butler County’s largest business association, the Butler County Chamber of Commerce provides information on Butler businesses and relocation. more... 

Butler County Historical Society 123 West Diamond Street, Butler, PA 16001, Located in the Lowrie/Shaw House Museum, 724-238-8116, The official historical organization of Butler County, the Butler County Historical Society was founded in 1927, to preserve local history. The Society also owns and operates four historic sites, the Butler County Heritage Center, Cooper Cabin Pioneer Homestead, Little Red School House, and the Lowrie/Shaw House. more...