American Society of Heating, Refrigerating and Air Conditioning Engineers
Illinois Chapter
P.O. Box 428020
Evergreen Park, IL 60805-8020
Tel: (708) 636-5819
Fax: (708) 636-5847
www.illinoisashrae.org

American Society of Mechanical Engineers
Midwest Regional Office
117 S. Milwaukee Avenue, Building B, Suite 13
Libertyville, IL 60048-5258
Tel: (847) 680-5493
Fax: (847) 680-6012
www.asme.org

American Council of Engineering
Companies of Illinois
5221 South Sixth Street Road, Suite 120
Springfield, IL 62703
Tel: (217) 529-7430
Fax: (217) 529-2742
www.acec-il.org

Illinois Society of Professional Engineers
600 South 2nd Street, Suite 403
Springfield, IL 62704-2540
Tel: (217) 544-7424
Fax: (217) 528-6545
E-mail: info@IllinoisEngineer.com
www.ilspe.com

Structural Engineers Association of Illinois
645 North Michigan Avenue, Suite 540
Chicago, IL 60611
Tel: (312) 649-4600
Fax: (312) 649-5840
www.seaoi.org