Where to bid › IllinoisWhere to bid in Illinois Illinois's state agencies post their bids on BidBuy. Counties and cities run their own bid pages: 97 counties and 200 cities are listed below, largest first.
Counties Name Bid page Platform People Cook County Open bids Bonfire (Euna Procurement) 5,087,072 DuPage County Open bids DemandStar 921,213 Lake County Bid Project Information – 708,760 Will County DemandStar Bids DemandStar Bids DemandStar 700,728 Kane County official site only – 514,982 McHenry County official site only – 312,800 Winnebago County Open bids – 280,922 Madison County Open bids BidNet Direct 262,752 St. Clair County official site only – 251,018 Champaign County official site only – 205,644 Sangamon County RFPs and Bid Information – 193,491 Peoria County Bid Lettings Tyler Munis self service 177,513 McLean County Open bids – 170,441 Rock Island County Open bids – 141,236 Kendall County official site only – 139,976 Tazewell County official site only – 129,541 LaSalle County Open bids – 108,309 Kankakee County Open bids – 105,940 Macon County RFP for INDEPENDENT AUDITING SERVICES – 100,591 DeKalb County official site only – 100,288 Vermilion County official site only – 71,652 Williamson County Open bids – 66,706 Adams County official site only – 64,441 Whiteside County official site only – 54,498 Grundy County Open bids – 53,578 Boone County RFP & Bids – 53,202 Jackson County official site only – 52,141 Ogle County RFP (Request for Proposal) – 51,265 Henry County official site only – 48,448 Knox County Bids & RFPs – 48,411 Coles County official site only – 46,060 Macoupin County County Seeks Bids for Demolition of 2 Buildings – 44,018 Stephenson County official site only – 43,105 Woodford County Open bids – 38,285 Franklin County official site only – 37,138 Clinton County official site only – 36,785 Marion County official site only – 36,673 Jefferson County Open bids – 36,320 Livingston County official site only – 35,320 Monroe County official site only – 34,957 Effingham County RFPs Archives – 34,331 Lee County official site only – 33,654 Christian County official site only – 33,228 Bureau County official site only – 32,729 Fulton County official site only – 32,541 Morgan County official site only – 32,140 Randolph County official site only – 29,815 Montgomery County official site only – 27,663 Logan County Invitation to Bid – 27,590 McDonough County official site only – 26,839 Iroquois County official site only – 26,136 Saline County official site only – 22,873 Jo Daviess County Open bids – 21,756 Fayette County official site only – 21,164 Jersey County official site only – 21,091 Shelby County Notice to Bid – 20,568 Perry County official site only – 20,503 Douglas County official site only – 19,629 Crawford County official site only – 18,300 Hancock County Bid Notices – 17,186 Piatt County Bids – 16,714 Union County official site only – 16,667 Bond County official site only – 16,450 Edgar County official site only – 16,334 Warren County official site only – 16,185 Wayne County Open bids – 15,761 Carroll County Bids, RFQ & Vendor Opportunities – 15,526 Mercer County official site only – 15,487 De Witt County official site only – 15,365 Clark County bids – 15,088 Lawrence County official site only – 14,813 Moultrie County official site only – 14,342 Pike County official site only – 14,342 Massac County official site only – 13,661 Washington County official site only – 13,536 White County official site only – 13,401 Ford County official site only – 13,250 Clay County official site only – 12,999 Cass County official site only – 12,596 Mason County official site only – 12,523 Menard County official site only – 11,954 Marshall County official site only – 11,683 Greene County official site only – 11,543 Cumberland County official site only – 10,261 Jasper County official site only – 9,144 Hamilton County RFPs & Bids · Hamilton County, Illinois – 7,911 Schuyler County official site only – 6,733 Brown County official site only – 6,294 Henderson County official site only – 6,088 Putnam County official site only – 5,561 Stark County official site only – 5,218 Pulaski County official site only – 4,911 Scott County official site only – 4,710 Alexander County official site only – 4,695 Gallatin County official site only – 4,670 Pope County official site only – 3,707 Hardin County official site only – 3,569
Cities Name Bid page Platform People Chicago Chicago Department of Procurement Services – 2,664,452 Aurora City Purchasing – 177,563 Joliet Open bids Bonfire (Euna Procurement) 150,489 Naperville official site only – 150,245 Rockford Open bids – 146,120 Elgin Purchasing – 113,310 Springfield Bid on Opportunity – 112,544 Peoria official site only – 110,460 Champaign official site only – 89,189 Waukegan official site only – 87,642 Cicero official site only – 81,004 Bloomington official site only – 78,587 Schaumburg official site only – 75,750 Evanston Bids & Proposals DemandStar 75,070 Arlington Heights Open bids – 74,495 Bolingbrook Bids/Proposals Tyler Munis self service 74,088 Decatur official site only – 68,670 Skokie Open bids – 64,937 Palatine official site only – 64,869 Des Plaines Bids and Proposals – 58,010 Oak Lawn Open bids BidNet Direct 55,734 Berwyn official site only – 54,414 Mount Prospect official site only – 54,298 Tinley Park Open bids QuestCDN 53,886 Wheaton Open bids – 52,938 Normal Open bids – 52,618 Oak Park Open bids – 52,055 Plainfield official site only – 47,448 Glenview Open bids – 46,904 Elmhurst Open bids – 45,336 Lombard Open bids – 43,779 Buffalo Grove Open bids – 42,482 Moline Open bids – 41,965 Crystal Lake official site only – 40,861 Belleville Open bids – 40,726 DeKalb Open bids – 40,211 Bartlett official site only – 39,992 Carol Stream official site only – 38,966 Quincy Open bids BidNet Direct 38,803 Urbana Open bids OpenGov Procurement 38,209 Park Ridge Bids & RFPs – 37,897 Streamwood official site only – 37,780 Wheeling Open bids – 37,725 Carpentersville Open bids – 37,099 Oswego official site only – 37,074 Hanover Park Open bids – 36,165 Rock Island Open bids Tyler Munis self service 36,132 Addison official site only – 35,167 Calumet City Purchasing/Personnel – Calumet City – 34,358 Northbrook official site only – 33,977 Woodridge Open bids – 33,566 St. Charles Bids & Proposals DemandStar 32,654 O'Fallon official site only – 31,968 Mundelein official site only – 31,790 Elk Grove Village official site only – 31,350 Pekin official site only – 31,126 North Chicago Bids – 30,416 Highland Park Open bids – 30,272 Gurnee Bids/ RFPS DemandStar 30,193 Algonquin Bids & RFPs – 30,134 Niles official site only – 29,513 Galesburg Open bids – 29,130 Glen Ellyn Open bids – 28,347 Huntley official site only – 28,269 McHenry official site only – 28,251 Danville Open bids – 28,206 Burbank Open bids – 28,164 New Lenox Open bids – 28,047 Lansing official site only – 27,713 Wilmette Open bids – 27,026 Granite City Open bids BidNet Direct 26,908 Round Lake Beach Open bids PlanetBids 26,783 Edwardsville official site only – 26,698 Vernon Hills Open bids – 26,677 Lockport Open bids – 26,537 Batavia City Bids – 26,235 Oak Forest Open bids – 26,199 Chicago Heights official site only – 26,184 Woodstock Open bids – 25,699 Belvidere official site only – 25,297 West Chicago official site only – 25,116 Alton Wadlow Town Center Request for Proposals (RFP) – 25,006 Yorkville Open bids – 24,693 Homer Glen official site only – 24,546 Zion Bids & Proposals – City Of Zion.com – 24,206 Morton Grove Bids & Proposals – 24,131 Westmont Open bids – 23,933 Collinsville official site only – 23,779 Kankakee Bids & Notices – 23,503 Loves Park official site only – 23,335 Rolling Meadows official site only – 23,329 Lisle Open bids – 23,222 Freeport Bid Documents – 23,136 Maywood Open bids – 22,880 Roselle official site only – 22,508 Bloomingdale Open bids – 22,298 East Peoria official site only – 22,012 Montgomery official site only – 21,955 Villa Park Bids – 21,727 Darien official site only – 21,698 Carbondale Open bids – 21,592 Blue Island official site only – 21,494 Geneva Open bids – 21,129 Grayslake Open bids – 20,954 Frankfort official site only – 20,907 East Moline Open bids – 20,806 Park Forest official site only – 20,763 South Holland official site only – 20,483 Libertyville Open bids – 20,332 Crest Hill official site only – 20,118 Mokena Open bids QuestCDN 19,759 Harvey official site only – 19,397 Lake Forest Open bids QuestCDN 19,354 Evergreen Park Open bids – 19,010 Deerfield official site only – 18,884 Ottawa official site only – 18,752 Sycamore official site only – 18,682 Brookfield Open bids – 18,591 Homewood official site only – 18,540 Round Lake Open bids – 18,430 Shorewood official site only – 18,369 Bensenville Open bids – 18,352 Matteson official site only – 18,293 Alsip Bid For Projects & Equipment Updated 10-02-2026 – Village Of Alsip – 18,198 Bourbonnais official site only – 18,042 Cary Open bids – 17,977 Bellwood RFP Water Meter Replacement Program – 17,890 Franklin Park Bids and RFPs – 17,871 Palos Hills official site only – 17,759 East St. Louis Open bids – 17,642 Lemont official site only – 17,575 Morton official site only – 17,469 Hinsdale Open bids – 17,297 Jacksonville official site only – 17,237 Charleston official site only – 17,028 Marion official site only – 16,852 Mattoon Bids/RFPs – 16,560 Bridgeview official site only – 16,324 Westchester Open bids – 16,094 Country Club Hills Bid Center 2026 – 16,013 Washington official site only – 15,833 La Grange Open bids – 15,667 Prospect Heights Open bids – 15,334 Bradley official site only – 15,263 Dixon official site only – 15,096 Warrenville Open bids – 15,027 Macomb official site only – 14,849 Antioch Bid Notices – 14,833 Shiloh official site only – 14,736 Norridge official site only – 14,620 Chatham Bids, RFPs & RFQs – 14,525 Morris official site only – 14,508 Sterling official site only – 14,508 Mount Vernon Bids & Requests for Proposals (RFPs) – 14,247 Channahon Open bids – 14,138 Beach Park official site only – 14,057 Wauconda Open bids BidNet Direct 13,891 Hickory Hills official site only – 13,884 Glen Carbon Open bids – 13,868 Chicago Ridge Open bids – 13,834 Wood Dale official site only – 13,774 Midlothian Open bids – 13,675 Forest Park official site only – 13,660 Western Springs Open bids – 13,290 Lincoln official site only – 13,072 La Grange Park Open bids – 13,011 Minooka Open bids – 12,879 Canton official site only – 12,875 Lincolnwood Open bids – 12,872 Hazel Crest Public Bids – 12,771 Plano official site only – 12,676 Richton Park Open bids – 12,322 Northlake official site only – 12,270 Streator Submit Bids – 12,269 Effingham Bid notices and tabulations – 12,258 Kewanee Bid Postings – 12,222 Herrin official site only – 12,178 Justice official site only – 12,081 Rantoul official site only – 11,956 Centralia official site only – 11,848 Palos Heights Legal Notices, Bids, RFP's & RFQ's DemandStar 11,515 Troy official site only – 11,209 Schiller Park Open bids – 11,164 Waterloo official site only – 11,144 Markham Open bids – 11,129 Burr Ridge Open bids – 11,023 Pontiac Open bids – 11,010 Columbia Open bids – 10,933 Roscoe official site only – 10,843 Summit official site only – 10,616 Worth Open bids – 10,494 Barrington official site only – 10,476 Crestwood official site only – 10,387 Lyons official site only – 10,304 River Grove Open bids – 10,282 Mahomet Bids , RFPS and RFQS – 10,273 Wood River Bids & Proposals – The City of Wood River, IllinoisAccessibility ToolsIncrease TextDecreas – 10,270 Taylorville official site only – 10,247 Riverdale official site only – 10,159 Winfield Open bids – 10,054
Federal work in Illinois: open federal notices · federal money by county and agency · state and local bids in SpendQuery
Every county with a county government and the cities and towns of 10,000+ (Census 2023 estimates). A place missing, or a wrong link?
Suggest a correction or a missing bid page
All states