The City of Chicago has implemented the “iSupplier” Portal Online eProcurement System for all purchasing activities.


NOTICE: Beginning October 12, 2020, legal advertisements for the City of Chicago Department of Procurement Services (DPS) will appear in the Chicago Tribune and online at Information about DPS contracting opportunities will be available at

Introduction to eProcurement Vendor Workshops:

**2021 eProcurement Vendor Workshops are listed below. **

DPS is using eProcurement for all solicitations.   We invite you to attend a demonstration to learn about iSupplier registration, how to submit bids and proposals, and how to view contracts and payments online via the eProcurement system.

Please be advised that eProcurement Training sessions have gone virtual.  The next training session dates are 01/21, 02/25, 03/25, 04/22, 05/20, 06/24, 07/22, 08/26, 09/23, 10/21, 11/18 and 12/02/2021 at 2 pm.  Please register at:


    Emergency Policy Changes for Delegate Agency Contracting and Invoicing (PDF)

Delegate Agency eProcurement Training Opportunities:

Please be advised that, due to the COVID-19 pandemic, all Delegate Agency eProcurement Training sessions will be cancelled until further notice.


Additional resources and training material are available at:


If required any assistance, please contact the Customer Support Center at or 312-744-4357.


Departments are encouraged to send a representative responsible for functions pertaining to RFP responses, development of financial requirements, and programmatic deliverables.

NOTE: The Department of Procurement Services offers a separate workshop overviewing the iSupplier and eProcurement process for vendors.

As a Vendor registered in the iSupplier Portal you will be able to:

  • View and Respond to Bids / Solicitations online
  • View Orders, Payments, Invoices
  • Update Your Company Information – contacts, address, phone, email