Contact Us

IHA Headquarters

1151 East Warrenville Rd.
P.O. Box 3015
Naperville, IL 60566
630.276.5400

Springfield Office

700 South 2nd Street
Springfield, IL 62704
217.541.1150
Fax: 217.541.1166 or 217.541.1176

Washington, DC Office

400 North Capitol St. N.W., Suite #585
Washington, DC 20001
202.624.7899
Fax: 202.393.5218

Directions

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