Department of Defense NAICS 561621 contractors in Alabama

Security Systems Services (except Locksmiths). Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Alabama + Department of Defense

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$101,336,050

Visible recipients tied to Department of Defense, Alabama, and NAICS 561621

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.

$101,336,050