Buyer sourcing guide · Illinois

How to Find Certified Diverse Suppliers in Illinois

Illinois splits certification between two agencies: the Commission on Equity and Inclusion certifies minority-, women-, and disability-owned firms through the Business Enterprise Program, and IDOT's Unified Certification Program certifies DBEs for transportation work.

By Mario Bailey, Editor-in-Chief · Reviewed against official Illinois and federal sources · Last verified July 2026

Heads up

Verify DBE status carefully right now: under the USDOT Interim Final Rule issued October 3, 2025, existing DBE and ACDBE certifications are being re-evaluated and may not be counted toward contract goals until a firm is recertified. Confirm a firm's current status before relying on it.

Illinois state directories

Start with the official state directory. It lists firms Illinois has certified, and it is the source public buyers and prime contractors use to confirm a firm counts toward state and federally funded contract goals.

Illinois CEI Certified Vendor Directory (BEP)

The Commission on Equity and Inclusion's Supplier Diversity Management Portal hosts the public directory of firms certified under the Business Enterprise Program as minority-owned, women-owned, or owned by persons with disabilities.

Open the directory ↗

IL UCP DBE Directory

The Illinois Department of Transportation's UCP search covers DBE and ACDBE firms, filterable by specialty, NAICS code, category, and district. Firms shown as certified have been recertified under the current federal regulations.

Open the directory ↗

Chicago Minority Supplier Development Council

The regional National Minority Supplier Development Council affiliate serving Illinois. Corporate buyers source certified Minority Business Enterprises (MBEs) through its network.

Chicago Minority Supplier Development Council ↗

Federal set-aside firms in Illinois

For federal contracts and subcontracting plans, search SAM.gov and filter by location and socioeconomic status: 8(a), Women-Owned Small Business (WOSB), Service-Disabled Veteran-Owned (SDVOSB), and HUBZone. These are separate from the state and council certifications above, and buyers count them differently.

Verify before you rely on a certification

A certificate on its own is not proof. Before you count a Illinois supplier toward a diverse spend goal or a subcontracting plan:

  1. Confirm the record is active, not expired, in the issuing directory above.
  2. Check the certification type matches what your program counts. MBE, DBE, WOSB, and CBE are not interchangeable.
  3. Keep a dated screenshot or export of the directory record for your compliance file.

More Illinois resources

A diverse business in Illinois?

Get certified so buyers find you in these directories. Our guide covers every certification, what it costs, and how to apply.

How to get certified →