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Illinois

Illinois public contracting spans statewide buyers plus city, county, school district, and higher-ed issuers. Use this page as a central queue, then confirm final instructions on the issuing portal before submitting.

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Illinois
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Illinois at a glance
Live index view for state-level opportunities and contracts.
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Illinois contracting guide

No near-term close dates are currently visible on this page. Active buyers in this snapshot include ENGCONSTRUCT557 - Engineering - Construction, BOPM41640 - Property Management, HUMTRSOURCS551 - Human Resources, and DIROFFC532 - Director's Office.

  • Use NAICS and keyword filters together to prioritize opportunities where you have relevant past performance.
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THA - Toll Highway Authority

I-21-4737 - CO #28 - ATP #7-1 - I-490 Tollway Railroad Bridge Construction

I-21-4737 - CO #28 - ATP #7-1 - I-490 Tollway Railroad Bridge Construction Please refer to item and attachment tabs for additional information. Item # 1: ( 912 - 00 ) The Illinois Toll Highway Authority THA is giving its notice of…

Posted: Nov 17, 2025Due: Dec 12, 2025Closed
CMS - Central Management Services

SPwSS Fire Alarm Insp-Mon-R-M J0171 Spfd

SPwSS Fire Alarm Insp-Mon-R-M J0171 Spfd This is NOT an open solicitation. This is public notice of the State's intent to award a Small Purchase w/Sole Source contract for a proprietary fire alarm inspection, monitoring, repair & maintenance at J0171, 800 S.…

Posted: Nov 17, 2025Due: Dec 09, 2025Closed
HDA - Housing Development Authority

IHDA Human Resources Information System (HRIS) RFP

IHDA Human Resources Information System (HRIS) RFP The Illinois Housing Development Authority (IHDA or Authority) is issuing this request for proposal (RFP) is to enter a contract with a vendor (Vendor) to supply a qualified and reputable Human Resources Information System (HRIS…

Posted: Nov 17, 2025Due: Nov 17, 2025Closed
THA - Toll Highway Authority

Renewal Notice I-21-4738_EOWA(I-490) RR TRACK RELOCATION UPRR FROM S OF GRAND AVE TO (IL 19). RETAIN

Renewal Notice I-21-4738_EOWA(I-490) RR TRACK RELOCATION UPRR FROM S OF GRAND AVE TO (IL 19). RETAIN RENEWAL NOTICE THIS IS NOT A SOLICITATION Item # 1: ( 912 - 44 ) This construction contract was advertised on 9/30/21, BidBuy# 22-557THA-ENGCO-B-24740. Bids were…

Posted: Nov 14, 2025Due: Dec 01, 2025Closed
Department of Transportation

National Airspace Data Interchange (NADIN) - Automated Weather Observation System (AWOS) Maintenance

National Airspace Data Interchange (NADIN) - Automated Weather Observation System (AWOS) Maintenance The Illinois Department of Transportation is seeking a vendor to provide weather data uplink services to the National Airspace Data Interchange Network (NADIN) for it's 38 non-fed Automated Weather Observation…

Posted: Nov 14, 2025Due: Dec 05, 2025Closed
DOC - Corrections

IDOC Stateville NRC Dietary Equipment Repair Services

IDOC Stateville NRC Dietary Equipment Repair Services Stateville Correctional Center / Northern Reception Center, located in Crest Hill, Illinois is welcoming bids for repair and maintenance services of dietary equipment. For additional information, please review the documents under the Attachments tab. Item…

Posted: Nov 14, 2025Due: Dec 04, 2025Closed
DHS - Human Services

ISD SP Carpet Replacement in Main Building

ISD SP Carpet Replacement in Main Building ISD is seeking bidders to remove & replace carpet in Main Bldg 3rd floor hallway and Room 322. Bidders must: Remove and dispose of old carpet/tack strips/etc. Ensure floor is prepared according to manufacturers specifications.…

Posted: Nov 14, 2025Due: Dec 04, 2025Closed
DHS - Human Services

DHS FY26 SP REBID Ludeman Convo-Therm Oven

DHS FY26 SP REBID Ludeman Convo-Therm Oven The Illinois Department of Human Services (DHS) is seeking a vendor to provide and install a Convo-Therm Oven at the Elisabeth Ludeman Center located at 114 N. Orchard Drive, Park Forest, Illinois 60466. Item #…

Posted: Nov 14, 2025Due: Dec 01, 2025Closed
CFS - Children and Family Services

Rebid - PO25-390 JP Lead Agency IFB for Mobile Fingerprinting Scanners and Software

Rebid - PO25-390 JP Lead Agency IFB for Mobile Fingerprinting Scanners and Software The Illinois Department of Children and Family Services (DCFS) and Illinois Department of Early Childhood (IDEC) and their business and technical stakeholders (hereinafter the State and where DCFS Youth…

Posted: Nov 14, 2025Due: Dec 02, 2025Closed
THA - Toll Highway Authority

"RENEWAL NOTICE" Roadway Sweepings Pickup & Disposal Services

"RENEWAL NOTICE" Roadway Sweepings Pickup & Disposal Services "RENEWAL NOTICE THIS IS NOT A SOLICITATION:" 3 year renewal contract for Roadway Sweepings Pickup and disposal service Item # 1: ( 968 - 71 ) 3 year renewal contract for Roadway Sweepings Pickup…

Posted: Nov 13, 2025Due: Dec 02, 2025Closed
THA - Toll Highway Authority

I-21-4737 - CO #27 - ATP #35-2 - I-490 Tollway Railroad Bridge Construction

I-21-4737 - CO #27 - ATP #35-2 - I-490 Tollway Railroad Bridge Construction Please refer to item and attachment tabs for additional information. Item # 1: ( 912 - 00 ) The Illinois Toll Highway Authority THA is giving its notice of…

Posted: Nov 13, 2025Due: Dec 12, 2025Closed
DNR - Natural Resources

Renewal Notice - World Shooting Complex Vendor 20x40 Unit Lease - Building 4 - Space 408

Renewal Notice - World Shooting Complex Vendor 20x40 Unit Lease - Building 4 - Space 408 RENEWAL NOTICE THIS IS NOT A SOLICITATION: The Illinois Department of Natural Resources is seeking to renew its contract with Blaser USA for a concession at…

Posted: Nov 13, 2025Due: Dec 03, 2025Closed
THA - Toll Highway Authority

I-16-4669 - EWO #28 - ATP #35 - Rdwy and Bridge Construct,IL390 and I490 Intchange

I-16-4669 - EWO #28 - ATP #35 - Rdwy and Bridge Construct,IL390 and I490 Intchange Item # 1: ( 912 - 00 ) The Illinois Toll Highway Authority THA is giving its notice of intent to amend its contract with F. H.…

Posted: Nov 13, 2025Due: Dec 05, 2025Closed

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