State + NAICS + PSC page
NAICS 561110 and PSC R499 contractors in District of Columbia
Office Administrative Services. 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 561110 · PSC R499
Last updated: April 7, 2026
Visible recipients
1
Mapped obligations
$16,071,898
Buyer overlap
4
Top recipients
