For immediate assistance, call our main number, 630 250 7061. Our main fax number is 630 250 3571.
If you already have contacts at ISI, feel free to write or call them directly. Our staff directory provides email addresses and phone numbers.
To request a quote or additional information about ISI, please use the form below. A representative will be in touch with you promptly.
Our office/warehouse complex is at 1310 Hamilton Parkway in Itasca, Illinois, a northwestern suburb of Chicago. The drive between ISI's headquarters and Chicago O'Hare International Airport (ORD) takes 20 - 30 minutes, depending on traffic and time of day.
Compass-point directions are available as a PDF download.