Bolingbrook
MCL
Buffalo Grove
Siemens
Carpentersville
Otto Engr
Chicago
Hu Friedy
Ignite Design
Sundberg
Square 1
Crystal Lake
Tyco
Decatur
Cat
Downers Grove
Product Design
Elmhurst
Advance Dial Company
Freeport
Honeywell
Hanover Park
Graphic Solutions for Engineering
Joliet
Chemstress Consultant Co.
Lincolnshire
Hydraforce
PDT
Lombard
www.autoa.com
Milan
Hawk Technology
Mossville
Cat
Mount Prospect
Cummings Allison
Mundelein
Bit 7
Naperville
K + P Agile
Neponset
www.martin-eng.com
Northbrook
Motorola
Peoria
www.accs-usa.com
Automated
Analysis
Cat
www.eservllc.com
River Grove
www.fortlock.com
Rockford
Industrial Molds
Rock Island
www.eservllc.com
Rolling Meadows
Northgrum
Steamwood
www.kdidesign.com
Wauconda
Dynasty Mold
Westchester
Accord
Woodridge
The Morey Corp.