Dukane Precast, Inc., located in Naperville, IL, is a Midwest leader in providing high quality precast/pre-stressed concrete products. Their product line includes wall and floor panels, columns, spandrels and beams. These products provide low initial cost, reduced maintenance costs, fire resistance and long-term durability. The Double-wall insulated precast concrete system-for both wall and flooring components, is a "total systems" approach to achieving the greatest energy-efficiency and life safety for both residential and commercial buildings. Dukane Precast is supplying partners of the Department of Energy's (DOE) Building America Program. Dukane Precast has earned several awards and certifications in the fields of energy-efficiency and storm safety. Dukane Precast was the recipient of the 2002 Environmental Product Award, given out by the Chicago Chapter of the Association of Energy Engineers (AEE). The AEE represents over 8,500 professionals involved in energy-related industries and governmental programs. The precast concrete building system has been successfully tested by the Wind Engineering Research Center at Texas Tech University”"having sustained debris typically thrown by 250 mph winds -- proving the Double-wall system as an acceptable material for construction of above ground tornado shelters per the national FEMA 320 guidelines.