Federal contracts by state
Federal Contracts in Illinois: Spending, Agencies & Vendors
Data through 2026-08-24 · FY2026 to date
- Obligations, FY2026 to date
- $9.5B
- Contract awards
- 409,480
- Average award size
- $23.3K
- vs. prior full fiscal year
- 22.9% decline
| Item | Obligations |
|---|---|
| FY21 | $11.9B |
| FY22 | $13.6B |
| FY23 | $13B |
| FY24 | $13.4B |
| FY25 | $12.4B |
| FY26 | $9.5B |
Obligations fell 22.9% year over year, from $12.4B in FY2025 to $9.5B in FY2026 to date.
Federal contracting in Illinois through FY2026 to date shows $9.5B in obligations, distributed across 409,480 awards with an average award size of $23.3K. Obligations fell 22.9% year over year. The Department of Defense is the largest buyer with $4.8B in obligations, followed by the Department of Energy with $1.8B and the Department of Veterans Affairs with $1.7B. Leading vendors include UCHICAGO ARGONNE, LLC and W S DARLEY & CO at $1B apiece, and MEDLINE INDUSTRIES, LP at $860M. Major industry categories include Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers at $1.1B and Research and Development in the Physical, Engineering, and Life Sciences at $1B. Recent fiscal-year comparisons show FY21 at $11.9B, FY22 at $13.6B, FY23 at $13B, FY24 at $13.4B, FY25 at $12.4B, and FY26 at $9.5B. This snapshot covers partial current-year totals, reported as contract obligations for the fiscal year to date.
How has federal contracting changed in Illinois year over year?
Obligations fell 22.9% year over year. Fiscal-year totals progressed from $11.9B in FY21 to $13.6B in FY22, $13B in FY23, $13.4B in FY24, $12.4B in FY25, and $9.5B in FY26. The drop to $9.5B in FY26 coincides with the current-year totals being partial and reported as fiscal year to date. Average award size stands at $23.3K across 409,480 awards.
| Item | Obligations |
|---|---|
| Department of Defense | $4.8B |
| Department of Energy | $1.8B |
| Department of Veterans Affairs | $1.7B |
| General Services Administration | $436M |
| Department of Health and Human Services | $190M |
| Department of Agriculture | $183M |
| Department of Justice | $86.3M |
| Department of Homeland Security | $84.9M |
| Department of Labor | $36.6M |
| Department of Transportation | $30.3M |
Department of Defense was the top federal buyer in Illinois, obligating $4.8B (50.5% of the state total).
Who are the biggest buyers and suppliers in Illinois federal contracting?
The Department of Defense leads buyers with $4.8B in obligations, followed by the Department of Energy at $1.8B and the Department of Veterans Affairs at $1.7B. Top vendors include UCHICAGO ARGONNE, LLC and W S DARLEY & CO at $1B each, and MEDLINE INDUSTRIES, LP at $860M. The top industry categories are Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers at $1.1B and Research and Development in the Physical, Engineering, and Life Sciences at $1B.
| Item | Obligations |
|---|---|
| UCHICAGO ARGONNE, LLC | $1B |
| W S DARLEY & CO | $1B |
| MEDLINE INDUSTRIES, LP | $860M |
| FERMI FORWARD DISCOVERY GROUP, LLC | $762M |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | $552M |
| SUPPLYCORE LLC | $459M |
| DDB CHICAGO INC. | $288M |
| BP PRODUCTS NORTH AMERICA INC. | $275M |
| W.W. GRAINGER, INC. | $266M |
| CARDINAL HEALTH 200, LLC | $242M |
UCHICAGO ARGONNE, LLC led all contractors in Illinois with $1B, 11.0% of the state total.
| Item | Obligations |
|---|---|
| Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | $1.1B |
| Research and Development in the Physical, Engineering, and Life Sciences | $1B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $807M |
| Service Establishment Equipment and Supplies Merchant Wholesalers | $649M |
| All Other Miscellaneous Manufacturing | $604M |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $345M |
| Advertising Agencies | $289M |
| Petroleum Refineries | $284M |
| Home Centers | $264M |
| Computer Systems Design Services | $209M |
Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers was the largest industry in Illinois, with $1.1B obligated.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | UCHICAGO ARGONNE, LLC | $1B |
| 2 | W S DARLEY & CO | $1B |
| 3 | MEDLINE INDUSTRIES, LP | $860M |
| 4 | FERMI FORWARD DISCOVERY GROUP, LLC | $762M |
| 5 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $552M |
| 6 | SUPPLYCORE LLC | $459M |
| 7 | DDB CHICAGO INC. | $288M |
| 8 | BP PRODUCTS NORTH AMERICA INC. | $275M |
| 9 | W.W. GRAINGER, INC. | $266M |
| 10 | CARDINAL HEALTH 200, LLC | $242M |
| Rank | Recipient | Award Amount | Awarding Agency |
|---|---|---|---|
| 1 | UCHICAGO ARGONNE, LLC | $17.5B | Department of Energy |
| 2 | FERMI FORWARD DISCOVERY GROUP, LLC | $2.5B | Department of Energy |
| 3 | GOODWILL INDUSTRIES OF SOUTHEASTERN WISCONSIN, INC. | $814M | Department of Defense |
| 4 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $510M | Department of Defense |
| 5 | GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS, INC. | $403M | Department of Defense |
| 6 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $358M | Department of Defense |
| 7 | CDW GOVERNMENT LLC | $340M | Department of State |
| 8 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $334M | Department of Defense |
| 9 | GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS, INC. | $280M | Department of Defense |
| 10 | ITILITY, L.L.C | $226M | General Services Administration |
| 11 | DDB CHICAGO INC. | $199M | Department of Defense |
| 12 | CARDINAL GOVERNMENT SERVICES, INC. | $192M | Department of Commerce |
| 13 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $166M | Department of Defense |
| 14 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $159M | Department of Defense |
| 15 | ACCENTURE FEDERAL SERVICES LLC | $158M | Department of the Treasury |
| 16 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $155M | Department of Defense |
| 17 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $154M | Department of Defense |
| 18 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $151M | Department of Defense |
| 19 | KORTE -RIVER CITY JV | $150M | Department of Defense |
| 20 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $148M | Department of Defense |
| 21 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $146M | Department of Defense |
| 22 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $144M | Department of Defense |
| 23 | IMT DEFENSE CORP | $140M | Department of Defense |
| 24 | NATIONAL OPINION RESEARCH CENTER | $139M | Department of Health and Human Services |
| 25 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $136M | Department of Defense |
This is the free layer.
GovHub customers get the live version, filters, exports, and AI proposal drafting on top of this data.
No credit card required · 14-day free trial
Frequently asked questions
How much federal contract money goes to Illinois?
Illinois receives $9.5B in federal contract obligations through FY2026 to date. That total comes from 409,480 awards with an average award size of $23.3K. Fiscal-year comparisons show obligations of $11.9B in FY21, $13.6B in FY22, $13B in FY23, $13.4B in FY24, and $12.4B in FY25.
Which agencies award the most contracts in Illinois?
The Department of Defense awards the most contracts in Illinois with $4.8B in obligations. The next largest buyers are the Department of Energy with $1.8B and the Department of Veterans Affairs with $1.7B. Other notable buyers include the General Services Administration at $436M and the Department of Health and Human Services at $190M.
Who are the largest federal contractors in Illinois?
UCHICAGO ARGONNE, LLC and W S DARLEY & CO are the largest federal contractors in Illinois at $1B each. MEDLINE INDUSTRIES, LP is the next largest contractor at $860M, followed by FERMI FORWARD DISCOVERY GROUP, LLC at $762M and NORTHROP GRUMMAN SYSTEMS CORPORATION at $552M.
Found your market? GovHub writes the proposal.
Turn this market intelligence into a submitted, compliant federal proposal, faster.
No credit card required · 14-day free trial