Vendor Information

If you are a vendor or prospective vendor within the Chicago Department of Aviation's (CDA) airport system, the below sections contact important information.

Vendor/Tenant Portal

The CDA Vendor/Tenant Portal is an on-line system that provides vendors and airport tenants access to important financial information and online forms. Vendors can track invoice processing as well as submit required forms such as the Expenditure Approval, Status Rate Change and Travel Authorization form. Tenants can submit retail sales reports and other required documents using the portal. Users must login to use the portal.

To access the CDA Vendor Portal, click here​.


Design and Construction SOP

All Contractors/Tenants performing work at O'Hare or Midway International Airports must submit documentation describing the work to the CDA facilities section for approval.

The procedure and documentation required to complete the CDA approval process are available below.

  1. ​SOP Design and Construction July 2014​
  2. ORD eForms Quick Reference Guide​​
  3. ​​MDW eForms Quick Reference Guide
  4. CDA Document Request Form​
  5. ​ORD Barricade Standard
  6. MDW Barricade Standard
  7. ​FAA 7640 Form​


Training Links

Ethics Training
ADA Training​​​