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Department of Defense NAICS 541990 and PSC R406 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: POLICY REVIEW/DEVELOPMENT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541990 · PSC R406
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$895,655,781

State overlap

1

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541990 and PSC R406