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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Agency Alert

Welcome to the new IDOT home page.  Our location has changed, please update any bookmarks.

Producer and Supplier Approval

There are approximately 13,000 (active/inactive) producers and/or suppliers listed with the Department of Transportation. Updated monthly, the current List of Producers and/or Suppliers provides an alphabetic and a numerical listing including producer/supplier number, name and location.

Producers and/or Suppliers interested in providing materials to be used in construction projects must first obtain approval by the department. 

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