City of O'Fallon, Illinois

North Green Mount Road Improvements

Ameren

Mt. Clare Parking Expansion

St. Charles County Highway Department

Interstate Drive & South Point Prairie Extension (David Hoekel Parkway)

Illinois Department of Transportation

I-270 Bridge Over the Mississippi River Phase I

Illinois Department of Transportation

Martin Luther King Bridge Connector Ramp to WB I-55/64

City of Ladue, Missouri

National Pollutant Discharge Elimination System (NPDES) Phase II Stormwater Compliance