Client List

Amec (Morse Diesel International)

American Airlines

Anchor Mechanical Inc.

AvAirPros Services

Bowman, Barrett & Associates Inc.

Chicago Park District

City of Chicago – Department of Aviation

City of Chicago – Department of General Services

CRSS Constructors

Exelon Thermal Technologies, Inc.

FedEx

F.H. Paschen, S.N. Nielsen

Grumman/Butkus Associates

Hill Mechanical Corp.

HNTB Corporation

Holabird & Root LLC

IHC Construction Companies LLC

Illinois State Toll Highway Authority

Leopardo Construction Co.

Madison Services, Inc.

Meccon Industries, Inc.

Meccor Industries Limited

Public Building Commission of Chicago

R.M. Chin & Associates, Inc.

The Gordian Group

Unzelman & Associates

Walter Niese Machine Mfg. Co.

WMA Consulting Engineers, Ltd.