Bid Intelligence

Public jobs for Illinois contractors: City of Chicago, Cook County and federal contracts ending in the coming months (and who holds them), open federal solicitations, State of Illinois building projects before they bid, IDOT highway lettings and who is bidding on them, Cook County's planned solicitations and intents to award, every bidder's price on past county bids, and any company's public contract history.

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How many companies bid on IDOT contracts awarded in the last two years. A single bidder means the low bid was the only bid: work where a new prime, or a subcontractor ready to bid as prime, would face the least competition. Of 85 awards matching this search, 1 (1%) drew a single bid and 12 (14%) only two.

By IDOT district, this search

DistrictAwardsSingle bidTwo bidsBidders on averageLow bids, total
District 1, Chicago area140 (0%)3 (21%)3.1$12M
District 2, Dixon110 (0%)0 (0%)5.1$3.8M
District 3, Ottawa140 (0%)1 (7%)3.6$5.2M
District 4, Peoria30 (0%)1 (33%)2.7$86M
District 5, Paris50 (0%)2 (40%)3$6.0M
District 6, Springfield181 (6%)2 (11%)4.2$25M
District 7, Effingham50 (0%)0 (0%)4.6$7.3M
District 8, Collinsville110 (0%)3 (27%)3.4$54M
District 9, Carbondale40 (0%)0 (0%)3.8$38M

Who wins: District 2, Dixon, this search

The primes with the most IDOT low-bid dollars, and their share of the awards. A market held by two or three firms is one where a new bidder stands out, and where suppliers know whom to court.

District 1District 2District 3District 4District 5District 6District 7District 8District 9All of Illinois

CompanyWinsSingle-bid winsLow bids, totalShare of dollars
Three Star Painting, Inc.6 (55%)0$1.7M45%
Venus Painting Co.2 (18%)0$1.3M35%
Eagle Painting & Maintenance Company, Inc.2 (18%)0$488,56013%
Era-Valdivia Contractors, Inc.1 (9%)0$289,0598%

Top 15 by dollars of 11 awards ($3.8M). Joint ventures are listed as IDOT records them, separately from their partners. Companies are matched by name.

Single-bid awards

  • Bridge deck overlay, bridge repairs, and bridge painting on SN 059-0049 carrying Shipman Blacktop over Macoupin Creek, 7.7 miles north of IL 16.

    Macoupin · District 6 · contract 72669

    Sangamo Construction Company
    $1.7M, the only bid
    let Apr 24, 2026

Source: Illinois Department of Transportation, Contract Status and Transportation Bulletin, lettings of the last two years, read twice a day. Changes: bidder counts (IDOT lists the low bidder and the number of others) grouped by district and trade by us; districts named by their office.