State + NAICS page

NAICS 541715 contractors in Illinois

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Use this state-scoped industry page to see which visible federal contractors carry the clearest footprint in this NAICS lane inside Illinois.

State: Illinois

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$3,291,652,223

Buyer overlap

Top recipients

Visible recipients tied to NAICS 541715 in Illinois

Hii Mission Technologies CORP

Willowbrook, IL

Hii Mission Technologies CORP is a federal category business profile based in Willowbrook, IL. The current public data layer shows $380,690,397 in visible federal obligations across 464 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC AZ12.

$3,291,652,223