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STATE · IL

Federal contracts in Illinois

Federal contract work performed in Illinois: the agencies buying, the companies winning and what they're delivering. Contract obligations in fiscal year 2026 (Oct 1, 2025 to Sep 30, 2026), from USAspending.gov. Contract award types A to D (BPA calls, purchase orders, delivery orders and definitive contracts). Obligations can be negative when an agency takes money back. Data saved from USAspending.gov on Oct 23, 2026.

$12.16 billion$12,155,653,629 in contract obligations
#17of 56 states and territories
$949per resident
506,197contract awards with money in the year

Agencies buying here

  1. 1. Department of Defense$6.57 billion · 54.1%
  2. 2. Department of Energy$1.98 billion · 16.3%
  3. 3. Department of Veterans Affairs$1.93 billion · 15.9%
  4. 4. General Services Administration$573.7 million · 4.7%
  5. 5. Department of Health and Human Services$295.6 million · 2.4%
  6. 6. Department of Agriculture$257.5 million · 2.1%
  7. 7. Department of Homeland Security$131.4 million · 1.1%
  8. 8. Department of Justice$120.7 million · 1.0%
  9. 9. Environmental Protection Agency$42.6 million · 0.4%
  10. 10. Department of Labor$39.8 million · 0.3%

Top companies (recipients)

  1. 1. W S DARLEY & CO$1.76 billion · 14.5%
  2. 2. UCHICAGO ARGONNE, LLC$1.20 billion · 9.9%
  3. 3. MEDLINE INDUSTRIES, LP$943.1 million · 7.8%
  4. 4. FERMI FORWARD DISCOVERY GROUP, LLC$774.3 million · 6.4%
  5. 5. SUPPLYCORE LLC$665.0 million · 5.5%
  6. 6. NORTHROP GRUMMAN SYSTEMS CORPORATION$629.6 million · 5.2%
  7. 7. BP PRODUCTS NORTH AMERICA INC.$484.1 million · 4.0%
  8. 8. W.W. GRAINGER, INC.$370.7 million · 3.0%
  9. 9. CARDINAL HEALTH 200, LLC$325.6 million · 2.7%
  10. 10. DDB CHICAGO INC.$323.3 million · 2.7%

Largest contract awards in Illinois

The 10 biggest awards by total award amount with work in Illinois and money obligated in fiscal year 2026 (Oct 1, 2025 to Sep 30, 2026).

RecipientAmountAgencyWhatDatesAward
UCHICAGO ARGONNE, LLC
IL
$17.70 billion
$17,695,775,612
Department of EnergyPERFORMANCE-BASED CONTRACT FOR MANAGEMENT AND OPERATION OF ARGONNE NATIONAL LABORATORY
NAICS 541710 RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES
Jul 31, 2006 to Sep 30, 2031DEAC0206CH11357 ↗
FERMI FORWARD DISCOVERY GROUP, LLC
IL
$2.51 billion
$2,508,091,708
Department of EnergyMANAGEMENT AND OPERATING CONTRACT FOR THE FERMI NATIONAL ACCELERATOR LABORATORY (FNAL)
NAICS 541715 RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES
Sep 30, 2024 to Dec 31, 202989243024CSC000002 ↗
GOODWILL INDUSTRIES OF SOUTHEASTERN WISCONSIN, INC.
IL
$836.2 million
$836,242,365
Department of Defense
Department of the Navy
IGF::OT::IGF FOOD SERVICE LABOR
NAICS 722310 FOOD SERVICE CONTRACTORS
Oct 1, 2018 to Oct 20, 2026N0018918CZ053 ↗
NORTHROP GRUMMAN SYSTEMS CORPORATION
IL
$509.7 million
$509,720,114
Department of Defense
Department of the Navy
DON LAIRCM FY22 PRODUCTION WRA, ASSOCIATED SEPM, AND TECHNICAL STUDIES. THIS CONTRACT ALSO ESTABLISHES OPTION YEAR 1 CLINS FOR FY23 DON LAIRCM PRODUCTION WRAS AND ASSOCIATED SEPM
NAICS 334511 SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTE
Apr 1, 2022 to Dec 29, 2028N0001922C0042 ↗
GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS, INC.
IL
$403.3 million
$403,323,854
Department of Defense
Department of the Army
UNDEFINITIZED DELIVERY ORDER FOR 253,913 UNITS OF 155MM M119A2 PROPELLING BAG CHARGES
NAICS 332993 AMMUNITION (EXCEPT SMALL ARMS) MANUFACTURING
Sep 5, 2024 to Jun 11, 2026W15QKN24F0392 ↗
NORTHROP GRUMMAN SYSTEMS CORPORATION
IL
$358.2 million
$358,190,730
Department of Defense
Defense Contract Management Agency
FY19 PRODUCTION UNDEFINITIZED CONTRACT ACTION (UCA)
NAICS 334511 SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTE
Apr 30, 2019 to Dec 29, 2023N0001919C0011 ↗
CDW GOVERNMENT LLC
IL
$340.2 million
$340,169,526
Department of StateMICROSOFT ELA
NAICS 541519 OTHER COMPUTER RELATED SERVICES
Mar 1, 2019 to Feb 29, 202419AQMM19F0913 ↗
NORTHROP GRUMMAN SYSTEMS CORPORATION
IL
$334.4 million
$334,433,478
Department of Defense
Defense Contract Management Agency
AN/APR-39 C/D(V)2 PRODUCTION CONTRACT FPIF CLINS
NAICS 334511 SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTE
Sep 21, 2017 to Jul 31, 2024N0001917C0037 ↗
WALGREEN CO.
IL
$290.9 million
$290,871,939
Department of Health and Human Services
Centers for Disease Control and Prevention
ICATT
NAICS 621999 ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES
Jun 14, 2022 to May 31, 202575D30122C13958 ↗
GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS, INC.
IL
$280.1 million
$280,072,243
Department of Defense
Department of the Army
25 MILLIMETER (MM) M919 ARMOR PIERCING FIN STABILIZED DISCARDING SABOT WITH TRACER (APFSDS-T) CARTRIDGE
NAICS 332993 AMMUNITION (EXCEPT SMALL ARMS) MANUFACTURING
Apr 29, 2024 to Mar 31, 2029W519TC24F0161 ↗