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NAICS 561990 and PSC R499 contractors in Maryland

All Other Support 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 Maryland.

Maryland · NAICS 561990 · PSC R499
Last updated: April 5, 2026

Visible recipients

1

Mapped obligations

$987,791

Buyer overlap

3

Top recipients

Visible recipients in the Maryland overlap of NAICS 561990 and PSC R499