GovChime

Federal contractors in Illinois

All contractors below list a Illinois headquarters in their SAM.gov registration.

Federal contractors headquartered in Illinois (IL) and registered with SAM.gov, ranked by the obligations FPDS records for them in FY2026.

50,835 contractorsOpen the filtered vendor listAll Illinois vendors, A to Z

Ranked by FY2026 obligations (provisional)

FY2026 obligations (Oct 2025–Sep 2026, provisional; DoD awards signed after Aug 8, 2026 not yet public) · as of Nov 6, 2026. Source: FPDS contract actions, net obligations by the fiscal year of the action.

  1. #1
    $2B
    W S DARLEY & CO
    ITASCA, IL
    NAICS 455219
    3,188 awards and orders with FY2026 obligations
    UEI TENRPZGMAGJ6
  2. #2
    $1.2B
    UCHICAGO ARGONNE, LLC
    CHICAGO, IL
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI JA8EP8EKX8Y9
  3. #3
    $1.1B
    BP PRODUCTS NORTH AMERICA INC.
    CHICAGO, IL
    NAICS 324110
    37 awards and orders with FY2026 obligations
    UEI RDHYLFA8JAB4
  4. #4
    $1B
    WALSH FEDERAL LLC
    CHICAGO, IL
    NAICS 236220
    26 awards and orders with FY2026 obligations
    UEI DMFWBVTL9324
  5. #5
    $986.8M
    MEDLINE INDUSTRIES, LP
    NORTHFIELD, IL
    NAICS 339113
    682 awards and orders with FY2026 obligations
    UEI DMPAKJ9N9K66
  6. #6
    $933.9M
    NORTHROP GRUMMAN SYSTEMS CORPORATION
    Rolling Meadows, IL
    NAICS 334511
    49 awards and orders with FY2026 obligations
    UEI E4X3BLZPPPX3
  7. #7
    $774.3M
    FERMI FORWARD DISCOVERY GROUP, LLC
    CHICAGO, IL
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI VLS6K3EVCMW5
  8. #8
    $708.4M
    SUPPLYCORE LLC
    ROCKFORD, IL
    NAICS 339999
    29,009 awards and orders with FY2026 obligations
    UEI HTYJC5P9ZMH5
  9. #9
    $372M
    W.W. GRAINGER, INC.
    LAKE FOREST, IL
    NAICS 423840
    157,172 awards and orders with FY2026 obligations
    UEI DBQGN324ULK3
  10. #10
    $356.9M
    DDB CHICAGO INC.
    Chicago, IL
    NAICS 541810
    10 awards and orders with FY2026 obligations
    UEI ZYCVPMAU6MH8
  11. #11
    $355.8M
    CARDINAL HEALTH 200, LLC
    WAUKEGAN, IL
    NAICS 423450
    231,353 awards and orders with FY2026 obligations
    UEI ZJEUBM5FYLQ2
  12. #12
    $325.1M
    HII Mission Technologies Corp
    Willowbrook, IL
    NAICS 541611
    34 awards and orders with FY2026 obligations
    UEI GS7HBMNZEMK3
  13. #13
    $317M
    CDW Government LLC
    VERNON HILLS, IL
    NAICS 423430
    650 awards and orders with FY2026 obligations
    UEI PHZDZ8SJ5CM1
  14. #14
    $273.8M
    AAR GOVERNMENT SERVICES, INC.
    WOOD DALE, IL
    NAICS 488190
    68 awards and orders with FY2026 obligations
    UEI GFWVNNYFEVR2
  15. #15
    $262.3M
    US FOODS INC
    ROSEMONT, IL
    NAICS 424410
    63 awards and orders with FY2026 obligations
    UEI HZYTJENLLM81
  16. #16
    $234.4M
    SAWTOOTH CONSTRUCTION JV II LLC
    Chicago, IL
    NAICS 236210
    7 awards and orders with FY2026 obligations
    UEI VM5QV68M2NU4
  17. #17
    $223.4M
    GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS, INC.
    MARION, IL
    NAICS 332993
    8 awards and orders with FY2026 obligations
    UEI D6BENLPTJ8H6
  18. #18
    $214.5M
    DMS PHARMACEUTICAL GROUP INC
    PARK RIDGE, IL
    NAICS 424210
    30,241 awards and orders with FY2026 obligations
    UEI PX72BSBQTKJ3
  19. #19
    $210.3M
    Kay and Associates, Inc.
    Buffalo Grove, IL
    NAICS 336411
    27 awards and orders with FY2026 obligations
    UEI NHQJPMYJEVJ9
  20. #20
    $198M
    NATIONAL OPINION RESEARCH CENTER
    Chicago, IL
    NAICS 541720
    54 awards and orders with FY2026 obligations
    UEI MPYFY5UMSDP4
  21. #21
    $185.8M
    WIELAND ROLLED PRODUCTS NORTH AMERICA, LLC
    EAST ALTON, IL
    NAICS 331420
    13 awards and orders with FY2026 obligations
    UEI LCCMM1A56RP1
  22. #22
    $157.7M
    Covenant Aviation Security, LLC
    NAPERVILLE, IL
    NAICS 561612
    3 awards and orders with FY2026 obligations
    UEI C8GANE5B4W83
  23. #23
    $145.7M
    AAR SUPPLY CHAIN, INC
    Wood Dale, IL
    NAICS 493110
    1,764 awards and orders with FY2026 obligations
    UEI TWJNLZXJ39F1
  24. #24
    $119.8M
    PARAGON MICRO INC
    BUFFALO GROVE, IL
    NAICS 541519
    229 awards and orders with FY2026 obligations
    UEI E41LV9AJGHQ1
  25. #25
    $113.2M
    JONES LANG LASALLE AMERICAS, INC.
    CHICAGO, IL
    NAICS 561210
    540 awards and orders with FY2026 obligations
    UEI RJ7MF1XTJN88
  26. #26
    $96.7M
    SONOVA USA INC
    AURORA, IL
    NAICS 334510
    23 awards and orders with FY2026 obligations
    UEI N5VSMWF4G7K7
  27. #27
    $93.7M
    ABBOTT LABORATORIES INC.
    ABBOTT PARK, IL
    NAICS 325413
    153 awards and orders with FY2026 obligations
    UEI NH3LDK8CFAK7
  28. #28
    $72.3M
    Archer Western Federal JV
    Chicago, IL
    NAICS 236220
    4 awards and orders with FY2026 obligations
    UEI C277DHXWNTU9
  29. #29
    $69M
    CHERRY MEAT PACKERS, INC
    CHICAGO, IL
    NAICS 311612
    11 awards and orders with FY2026 obligations
    UEI VKTSH6PAV4N4
  30. #30
    $67.6M
    SIEMENS INDUSTRY INC
    BUFFALO GROVE, IL
    NAICS 236220
    217 awards and orders with FY2026 obligations
    UEI JZXZSN3BBL98
See all 50,835 contractors