Cardinal CG Company is a subsidiary of Cardinal Glass Industries. Cardinal Glass Industries is a management-owned S-corporation that provides window and door glass to the residential market. The company operates through three wholly owned subsidiaries, including Cardinal IG Company, which offers insulating and laminated glass; Cardinal CG Company, which provides coated glass and optical mirrors; and Cardinal FG Company, which specializes in float and tempered glass. The company employs more than 6,500 employees and operates 25-plus manufacturing locations throughout the United States. It also has research and development centers in Minnesota and Wisconsin, including the Cardinal CG research and development location in Spring Green, Wis.
The Windrose project was managed by Bruce A.Wilcox, P.E. In addition to project management, Wilcox was responsible for the experimental design and analysis of the data collected. The Proctor Engineering Group verified the air-conditioning systems performance. Ed Hancock and Greg Barker of Mountain Energy Partners installed the data collection systems. Aeroseal sealed and tested the ductwork.