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General Services Administration NAICS 561621 and PSC Y199 contractors

Security Systems Services (except Locksmiths). CONSTRUCT/MISC BLDGS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 561621 · PSC Y199
Last updated: April 8, 2026

Visible recipients

1

Mapped obligations

$127,065,839

State overlap

1

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 561621 and PSC Y199