The Chicagoland Chamber of Commerce combines the power of people, with our legacy of leadership and business advocacy, to drive a dynamic economy. We focus on delivering value for our members, making Chicagoland a world-class place to live and work. The Chamber represents more than 1,100 companies from all major industries, half of which do business internationally. With more than 150 events each year, the Chamber is ChicagolandÍs most influential business organization.