NAICS + PSC page

NAICS 561621 and PSC 6350 contractors

Security Systems Services (except Locksmiths). MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 561621 + PSC 6350
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$1,181,277,635

State overlap

0

Top recipients

Visible recipients in the NAICS 561621 and PSC 6350 overlap