/
State page
Loading state-level contractor and award paths
State page
State page
21 recipients | $3,666,163,198 mapped obligations | Top agency Department of Defense | NAICS 541330 | Updated April 8, 2026 Use this page as a public starting list for government contractors in Illinois, then branch into agency, NAICS, and PSC paths.
Mapped obligations
$3,666,163,198
Visible recipients
21
Top agency
Department of Defense
Top industry
NAICS 541330
Top recipients
Alion Science And Technology Corporation
Chicago, IL · Department of Defense
Fms Investment CORP
Rolling Meadows, IL · Department of Education
Walsh Federal LLC
Chicago, IL · Department of Defense
Hii Mission Technologies CORP
Willowbrook, IL · Department of Defense
Walsh Federal Joint Venture
Chicago, IL · Department of Defense
Aar Government Services, Inc.
Wood Dale, IL · Department of Defense
Walsh Federal/alberici Jv
Chicago, IL · Department of Defense
Abbott Laboratories Inc.
Abbott Park, IL · Department of Veterans Affairs
Telligen Illinois, LLC
Oak Brook, IL · Department of Health and Human Services
Exp Federal Inc.
Chicago, IL · Department of Defense
Browse by dimension
Agencies
Department of Defense
17 recipients · $18,129,994,696
General Services Administration
9 recipients · $6,236,059,249
Department of Veterans Affairs
7 recipients · $1,212,292,871
Department of Health and Human Services
6 recipients · $138,144,740
Department of Homeland Security
2 recipients · $95,300,602
Environmental Protection Agency
3 recipients · $88,375,155
NAICS
Explore rankings