General Services Administration NAICS 541330 and PSC R408 contractors in Illinois

Engineering Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Illinois · General Services Administration

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$153,369,893

Cross-code depth

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Top recipients

Visible recipients tied to General Services Administration, Illinois, NAICS 541330, and PSC R408

Alion Science And Technology Corporation

Chicago, IL

Alion Science And Technology Corporation is a federal category business profile based in Chicago, IL. The current public data layer shows $1,391,195,185 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC AZ12.

$153,369,893