Greater Seattle Chamber of Commerce 1301 Fifth Avenue, Suite 2400, Seattle, WA 98101, 206-389-7200, The Greater Seattle Chamber of Commerce promotes and supports businesses and industries in the Greater Seattle area. more... 

Seattle's Convention and Visitors Bureau 520 Pike Street, Suite 1300, Seattle, WA 98101, 206-461-5800, This bureau provides information on local lodging, shopping, dining, entertainment, and attractions in the Seattle area. more...