IllinoisNAICS 237990

Federal Heavy Civil Construction Contracts in Illinois

Illinois has 2 federal Heavy Civil Construction awards tracked in the last 120 days, totaling $638K across 2 unique firms. The Agriculture, Department of leads activity with 50% of recent awards.

Illinois federal heavy civil construction awarded $118.4M across 3 contracts in the last 120 days, with the Department of Defense accounting for 67% of tracked awards. The market shows high concentration risk: J. F. BRENNAN COMPANY, INC. captured a single $117.7M award, representing 99% of recent activity tracked. Only 3 unique firms won in this period, indicating a tight competitive landscape dominated by large-scale players. Historically, the market has produced 6 awards totaling $135.1M, suggesting consistent but infrequent solicitation cycles. Contractors should expect long intervals between opportunities and should prepare for competition against established heavy civil firms with proven DoD execution capability.

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Awards (120 days)

2

Total awarded (120d)

$638K

Unique firms (120d)

2

Top Winning Firms

Last 120 days · sorted by win count

2

BLANKENSHIP CONSTRUCTION CO

1 win$197K

Frequently asked questions

who wins federal heavy civil construction contracts in Illinois+

J. F. BRENNAN COMPANY, INC. is the dominant winner in the past 120 days with $117.7M in awards. Only 3 unique firms have won recent contracts in this market segment, indicating high concentration among established heavy civil contractors.

how much federal construction work is awarded in Illinois annually+

In the last 120 days, $118.4M was awarded for federal heavy civil construction in Illinois across 3 contracts. Historically, the market has averaged approximately $22.5M per award based on 6 total awards worth $135.1M all-time.

what federal agency awards the most construction contracts in Illinois+

The Department of Defense accounts for 67% of federal heavy civil construction awards tracked in Illinois over the last 120 days, making it the leading agency for this market segment.

what is the average federal contract size for heavy civil work in Illinois+

Recent 120-day data shows an average of approximately $39.5M per contract, though this is heavily skewed by J. F. BRENNAN COMPANY's $117.7M single award. All-time historical average is approximately $22.5M per award.

how often are federal construction bids released in Illinois+

Federal heavy civil construction awards in Illinois are infrequent; only 3 contracts were awarded in the last 120 days, with 6 total awards recorded in the historical database. Contractors should monitor SAM.gov continuously as opportunities are sporadic.

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Most active agency

Agriculture, Department of

50% of recent awards in this market

Agriculture, Department of in Illinois

Full market intelligence

See all-time award history, agency breakdown, and 120-day trend data for Illinois Heavy Civil Construction.

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Data sourced from SAM.gov via the GovCon API. Updated daily. Learn about our methodology.

Last refreshed: August 25, 2026 · Browse open Heavy Civil Construction bids in Illinois