Village of Addison

Village of Arlington Heights  

City of Aurora

Village of Bannockburn

Village of Bartlett

Village of Bellwood

Village of Bloomingdale 

City of Elgin

Village of Elk Grove Village  

City of Elmhurst

Village of Franklin Park

Village of Glendale Heights

Village of Glen Ellyn 

Village of Hoffman Estates

Village of Itasca

Village of Lombard

City of Oakbrook Terrace 

City of Park Ridge

Village of Palatine

City of Plano

City of Rolling Meadows

Village of Schaumburg

Village of Villa Park

City of Warrenville

City of Wheaton

Village of Winfield

DuPage Water Commission

Illinois Department of Transportation (IDOT)

Illinois State Toll Highway Authority (I.S.T.H.A)

Dupage County Illinois

Contech Construction Products Inc.

Plote Construction Inc.

Pepper Construction Group

Premier Construction

Tuscany Construction LLC

R.W. Dunteman