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Federal Contractors in Illinois

Federal contract work performed in the state

Senators: Richard J. Durbin (opens in a new tab) (D, since 1997), Tammy Duckworth (opens in a new tab) (D, since 2017)·17 congressional districts· 98 counties with work recorded· Work with no recorded place is not counted· Directory: 5,696 contractors based in Illinois (opens another page)

Overview

Contract obligationsObligation: money the government has legally committed to a contract. It is not the same as money paid. Example: $6M obligated of a $10M ceiling. Glossary performed in Illinois, FY2025 (latest fully reported year)

$12.4B−7.1% vs FY2024

FY2026 (ended Sep 30), reported so far: $10.4B; agencies are still posting its awards.

Prime contract obligations performed in Illinois by fiscal year, FY2001–FY2026

Agencies report with a delay; the latest year will rise

Hover over a year to see its value.

FY01FY03FY05FY07FY09FY11FY13FY15FY17FY19FY21$13.6BFY23FY26FY26 so far: $10.4B

Insight Largest complete year: $13.6B in FY2022

Small-business share by county; obligations by district, Illinois, FY2021–FY2025

Click a place to open its page.

119th Congress linesDistrict lines: the congressional district boundaries of the 119th Congress (2025 to 2027). Some states use new lines from January 2027. Glossary

Counties by dollars

  1. Cook County$22.8B · 35%
  2. DuPage County$13.6B · 21%
  3. Lake County$9.72B · 15%
  4. St. Clair County$4.85B · 7.5%
  5. Kane County$3.99B · 6.2%
  6. Winnebago County$3.07B · 4.8%

92 more counties, $6.34B together.

  1. All of Illinois$64.4B

Districts by dollars

  1. IL-08$11.6B · 18%
  2. IL-11$10.9B · 17%
  3. IL-07$10.6B · 16%
  4. IL-10$9.22B · 14%
  5. IL-12$6.64B · 10%
  6. IL-17$4.52B · 7.0%
  7. IL-09$4.1B · 6.4%
  8. IL-13$1.13B · 1.8%
  9. IL-04$1.11B · 1.7%
  10. IL-02$936M · 1.5%
  11. IL-06$723M · 1.1%
  12. IL-05$713M · 1.1%

5 more, $2.1B together.

  1. All of Illinois$64.4B
Circle area: dollarsSmall-business share: under 10%60% and more

Insight Cook County had 35% of Illinois's obligations

Prime obligations for work in Illinois by agency › industry, US$, FY2021–FY2025

Sub-agency › industry group (NAICS 4)

Click a group to open its page.

Army $8.13B · 13%5418 Advertisi…$2.1B · 3.3%3329 Other…$1.61B · 2…3345 Navigati…$1.21B · 1.9%2379 Other …$600M · 0.9%159 more$1.16B · 1.8%Veterans Affairs3391 Medical Equipment…$2.07B · 3.2%3345 Navigat…$1.52B · 2.4%3119 Other…$704M · 1.…2362 Nonre…$534M · 0.…139 more$1.2B · 1…Air Force · 7.3%5413 Archite…$1.3B · 2.0%3344 Semi…$1.02B · …3364 Aerospa…$671M · 1.0%5415 Comp…$516M · 0…117 more$695M · 1.1%Navy $2.54B · 4.0%3345 Navigat…$703M · 1.1%131 more$1.13B · …FAS · 2.9%4441 Buildin…$1.34B · 2.1%AMS3116 Anima…$963M · 1.…OASPR · 1.8%6215 Medi…$821M · 1…ASACDCNIHStatePBSEPAFPS…
Department of the ArmyOther sub-agencies

Insight 1.5% is research and development (NAICS 5417)

Obligations for work in Illinois per week, FY2025

Each cell is one week of a month: days 1–7, 8–14, 15–21, 22–28 or 29–31

Hover over a week to see its total.

OctNovDecJanFebMarAprMayJunJulAugSep1–78–1415–2122–2829–31
LessMore obligations

Insight September held 16.6% of FY2025

Insights on other tabs

Districts
IL-08 has 18% of the work in Illinois
Buyers
Department of the Army placed 13% across its industries
Contractors
19 of the 25 largest are based in Illinois
Ending
4,642 contracts end in the next 18 months, 2,734 of them within six months
Opportunities
45 open notices name work here