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Department of Transportation NAICS 541690 and PSC R499 contractors

Other Scientific and Technical Consulting Services. SUPPORT- PROFESSIONAL: OTHER. 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 541690 · PSC R499
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$501,870,046

State overlap

2

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 541690 and PSC R499