8477914105
121 W WACKER, SUITE 1108, CHICAGO, IL, 60601, 
3123463135
17 E. MONROE ST., SUITE 325, CHICAGO, IL, 60603, 
3123463135
17 E MONROE STREET, SUITE 325, CHICAGO, IL, 60603, 
3125884102
53 W. JACKSON BLVD. SUITE 550, CHICAGO, IL, 60604, 
3) AMERICAN COUNCIL OF ENGINEERING COMPANIES OF ILLINOIS
5) CHICAGOLAND APARTMENT ASSOCIATION
6) CHICAGOLAND CHAMBER OF COMMERCE
8) ILLINOIS AMERICAN WATER COMPANY