Illinois
Deep coverageStatewide portals plus 150+ individual city, county, school and special-district buyers.
- Agencies tracked
- 366
- Local buyers
- 52
- Open solicitations
- 5,387
- Sources
- 6
Illinois procurement sources
| Source | Status | Agencies | Last sync |
|---|---|---|---|
| Illinois BidBuy (Illinois) | Online | 257 | Aug 28, 2026 |
| SAM.gov (Federal) | Online | 39 | Aug 28, 2026 |
| Illinois DOT WCTB | Online | 1 | Aug 28, 2026 |
| Bonfire (public agencies) | Online | 29 | Aug 28, 2026 |
| OpenGov / Ionwave (local agencies) | Online | 23 | Aug 28, 2026 |
| City of Chicago eProcurement | Online | 17 | Aug 28, 2026 |
Busiest Illinois buyers right now
State and local Illinois agencies with the most open solicitations in our index. Federal buyers are listed separately below.
- 1,293 open
THA - Toll Highway Authority — ENGCONSTRUCT557 - Engineering - Construction
Illinois BidBuy (Illinois) · State agency
- 290 open
CPOGS - CPO Office for General Services — CPOGS51001 - Chief Procurement Office Of General Services
Illinois BidBuy (Illinois) · State agency
- 211 open
DNR - Natural Resources — REALTYCAPPLAN422 - Office of Realty and Capital Planning
Illinois BidBuy (Illinois) · State agency
- 194 open
CFS - Children and Family Services — PROCUREMENT418 - PROCUREMENT
Illinois BidBuy (Illinois) · State agency
- 160 open
SOS - Secretary of State — SOS350 - Budget & Fiscal Management
Illinois BidBuy (Illinois) · State agency
- 158 open
DHS - Human Services — PROCURE444 - Procurement Office
Illinois BidBuy (Illinois) · State agency
- 104 open
CMS - Central Management Services — BOSS41610 - Strategic Sourcing
Illinois BidBuy (Illinois) · State agency
- 94 open
DOT - Transportation — FINADMIN494 - Finance & Administration
Illinois BidBuy (Illinois) · State agency
- 93 open
SBE - State Board of Education — CHFEDOFF586 - Chief Education Officer
Illinois BidBuy (Illinois) · State agency
- 89 open
Illinois Department of Transportation
Illinois DOT WCTB
- 80 open
CMS - Central Management Services — BOPM41640 - Property Management
Illinois BidBuy (Illinois) · State agency
- 78 open
THA - Toll Highway Authority — LEGAL557 - Legal
Illinois BidBuy (Illinois) · State agency
Nationwide sources covering Illinois
- SAM.gov (Federal)
- DIBBS (Defense Logistics Agency)
- Grants.gov (Federal grants)
Missing an agency in Illinois?
Send us the buyer name or their bid portal URL. Public sources are usually live within days, and we'll send an Amazon gift card as thanks once your request ships.