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SCAM ALERT:  A current text message smishing scam claims recipients owe money associated with traffic tickets, tolls, and other fines.  These are not legitimate messages from the Illinois Department of Transportation.  If you receive a message report it to the Federal Trade Commission and/or the FBI’s Internet Crime Complaint Center.

Directories

IDOT approves firms to bid on infrastructure procurements. These lists are updated constantly. To view firms that are currently approved by IDOT, see below:

Prequalified Contractors

Prequalified Contractors (updated every Monday)

Not on the list but want to get prequalified? Navigate to Contractor's Prequalification to get started.

Registered Subcontractors

Registered Subcontractors (updated every Monday)

Not on the list but want to get registered? Navigate to Subcontractor's Registration to get started.

Prequalified Consultants

Prequalified Consultants (updated every Friday)

Not on the list but want to get prequalified? Navigate to Consultant Prequalification to get started.

Certified DBEs

Certified DBE Firms (updated the 20th of every month)

Not on the list but want to get certified? Navigate to DBE Certification to get started.

Qualified Product List

To view all qualified product lists please click here.

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