4HD Inc. - Construction Inspection Services and Research

4HD-IDOT

Kennedy Expressway

4HD-IDOT 2

Various Maintenance Construction Engineering Projects

4HD-IDOT 3

I-90 at I-290/Congress Parkway (Jane Byrne Interchange) I-90/94

4HD Tollway

Reagan Memorial Tollway, Windsor Road Bridge Reconstruction, Construction Management.

Illinois Dept of Transportation

Various Construction Inspection Projects, Various Routes, Various Counties, Region One/District One.

Illinois Tollway

I-15-4659, Elgin O’Hare Western Access, Design and Construction Management Services upon Request.

Illinois Tollway

Elgin O'Hare Western Access Tollway, Mainline Advance Earthwork, Wood Dale Bridge Over Elgin O'Hare (IL RTE 390)

Illinois Tollway

ISTHA Contract RR-16-9197 Systemwide Design Service Upon Request, Non-Roadway - Mentor Protege

Illinois Tollway

Tri-State Tollway, 159th Street Bridge Reconstruction

Various Villages

Village’s Streets Improvement

Illinois Tollway

Tri-State Tollway, 159th Street Bridge Reconstruction