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Home/Illinois/NAICS 541330/PSC AD93

State + NAICS + PSC page

NAICS 541330 and PSC AD93 contractors in Illinois

Engineering Services. R&D- DEFENSE OTHER: OTHER (ADVANCED DEVELOPMENT). Cross-code overlap in Illinois.

Illinois · NAICS 541330 · PSC AD93

Last updated: April 8, 2026

Visible recipients

1

Mapped obligations

$148,374,038

Buyer overlap

4

Top recipients

Visible recipients in the Illinois overlap of NAICS 541330 and PSC AD93

Alion Science And Technology Corporation

Chicago, IL

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

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Top recipient paths -- ranked view
Illinois NAICS 541330 -- drop PSC filter
Illinois PSC AD93 -- drop NAICS filter
Department of Defense -- buyer path
General Services Administration -- buyer path
Environmental Protection Agency -- buyer path
Department of Health and Human Services -- buyer path