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I-90 Reconstruction and Widening in Rockford Transportation View Project »
Jewish Reconstructionist Congregation Synagogue LEED View Project »
Joe and Rika Mansueto Library Buildings View Project »
O'Hare Modernization Program Quality Assurance Materials Testing Aviation View Project »
West Hall Commissioning View Project »
“Cotter has been very pro-active in the management of our projects and has always put the customer's needs above all.” Terry Frigo,Illinois Institute of Technology
