Chicago Convention and Tourism Bureau 2301 South Lake Shore Drive, Chicago, IL 60616, 312-567-8500, 877-244-2246, Provides information on local lodging, dining, attractions, and events in the Chicago area. more... 

Chicago Office of Tourism 78 East Washington Street, Fourth Floor, Chicago, IL 60602, 312-744-2400, 877-CHICAGO, Provides information on dining, shopping, attractions, entertainment, and recreation in the Chicago area. more... 

Chicagoland Chamber of Commerce 330 North Wabash, Suite 2800, Chicago, IL 60611-3605, Located at One IBM Plaza, 312-494-6700, Promotes and supports local businesses and industries in the Chicago area plus provides relocation information. 

City of Chicago 121 North La Salle Street, Chicago, IL 60602, 312-744-6861, Provides information on local city services and local government offices in the Chicagoland area. more... 

Old Town Chicago Merchants & Residents Association 1520 North Wells Lower Level, Chicago, IL 60610, 312-951-6106, This association invites families, friends, visitors, and tourists to explore Old Town's restaurants, shopping, entertainment, and special services. more...