Agencies
Services
Directories
IDOT approves firms to bid on infrastructure procurements. These lists are updated regularly. 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 Prequalification to get started.
Registered Subcontractors
Registered Subcontractors (updated every Monday)
Not on the list but want to get registered? Navigate to Subcontractors 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
Please navigate to the Materials Marketplace (Qualified Product List) to access the full list of qualified products.