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Department of Transportation NAICS 541330 and PSC R425 contractors

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Transportation.

Department of Transportation · NAICS 541330 · PSC R425
Last updated: April 5, 2026

Visible recipients

22

Mapped obligations

$181,582,432,530

State overlap

4

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541330 and PSC R425