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NAICS 561920 and PSC R499 contractors in District of Columbia

Convention and Trade Show Organizers. SUPPORT- PROFESSIONAL: OTHER. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside District of Columbia.

District of Columbia · NAICS 561920 · PSC R499
Last updated: April 4, 2026

Visible recipients

1

Mapped obligations

$70,622,808

Buyer overlap

4

Top recipients

Visible recipients in the District of Columbia overlap of NAICS 561920 and PSC R499