Department of Homeland Security NAICS 561621 and PSC Z1DA contractors

Security Systems Services (except Locksmiths). MAINTENANCE OF HOSPITALS AND INFIRMARIES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 561621 · PSC Z1DA

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$158,515,819

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561621 and PSC Z1DA

Johnson Controls Building Automation Systems, LLC

Huntsville, AL

Johnson Controls Building Automation Systems, LLC is a federal category business profile based in Huntsville, AL. The current public data layer shows $214,661,567 in visible federal obligations across 154 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC N059.

$158,515,819