- P.O. Box 7309 /1200 Highridge Pkwy, Westchester, IL, 60154
- Westchester Chamber of Commerce (WCC) exists to promote the growth and health of businesses in Westchester and generate future economic development. We foster partnerships among village governmental and civic groups, and create and support community-wide events and programs. WCC’s mission is to provide a means through which business professionals can grow and thrive in their communities.