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Small Business Administration NAICS 541310 and PSC R425 contractors in Illinois

Architectural Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. 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 · Small Business Administration
Last updated: April 7, 2026

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$1,312,734

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Visible recipients tied to Small Business Administration, Illinois, NAICS 541310, and PSC R425