THE DOWNTOWN ISSAQUAH ASSOCIATION (DIA) PROMOTES HISTORIC AND CULTURAL BUSINESS DISTRICT (CBD) WITH PROGRAMS AND ACTIVITIES TO IMPROVE THE APPEARANCE AND ECONOMIC VITALITY. THE DIA COLLABORATES WITH THE CITY OF ISSAQUAH, GREATER ISSAQUAH CHAMBER OF COMMERCE AND OTHER LOCAL NON-PROFIT ORGANIZATIONS TO SUPPORT THE ARTS, THE COMMUNITY, ECONOMIC GROWTH AND VISITOR DEVELOPMENT.