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General Services Administration NAICS 541330 and PSC R499 contractors in Illinois

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. 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

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2

Mapped obligations

$10,481,030,268

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Visible recipients tied to General Services Administration, Illinois, NAICS 541330, and PSC R499