Department of Defense NAICS 541712 contractors in Illinois

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). Contractors in this state-buyer-industry overlap.

Illinois + Department of Defense

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$4,300,051,578

Visible recipients tied to Department of Defense, Illinois, and NAICS 541712

Alion Science And Technology Corporation

Chicago, IL

Chicago, IL | 5 awards | Top agency Department of Defense | NAICS 541710

Hii Mission Technologies CORP

Willowbrook, IL

Willowbrook, IL | 464 awards | Top agency Department of Defense | NAICS 541330

Illinois Applied Research Associates LLC

Glen Ellyn, IL

Glen Ellyn, IL | 3 awards | Top agency Department of Defense | NAICS 541712

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