Mainstream Construction Group, Inc. 825 Sunshine Lane Altamonte Springs, FL 32714 PH: (407) 862-6445 FAX: (407) 862-6693 RETAIL CENTER RENOVATIONS   Mainstream specializes in Retail Center Renovations.   Wekiva Springs Plaza Home  |  About Us  |  Presidents Message  |  Services  |  Portfolio  |  News |  Employment  |  Contact Us Copyright ©2007 Mainstream Construction Group, Inc. All Rights Reserved Designed by: AJT Design & Marketing, Inc.