Corporate Offices & Midwestern Region Great America Networks Conferencing, LLC 15700 103rd Street, Suite 110 Lemont IL 60439 Western Region Great America Networks Conferencing, LLC 10350 Heritage Park Drive Suite 101 Santa Fe Springs CA 90670 Customer Service: 1-877-GET-GAN1 (1-877-438-4261) Customer Service Email: clientservices@ganconference.com Sales: sales@ganconference.com