Application Directions 1275 Lake Plaza Drive Colorado Springs, CO 80906-3583 Tel: 719/576-4260 Fax: 719/576-2661 Email: info@gmdc.org Contact Individual Staff Email a specific staff member Membership Application Downloadable applications for Wholesaler/Retailers and Suppliers. Directions from COS Airport to GMDC Step by step driving directions to GMDC from Colorado Springs Airport.