Agency + NAICS page

Department of Homeland Security NAICS 561621 contractors

Security Systems Services (except Locksmiths). Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

13

Mapped obligations

$2,120,916,614

Top PSC links

4

Top recipients

Visible recipients tied to Department of Homeland Security and NAICS 561621

Alutiiq Advanced Security Solutions LLC

Anchorage, AK

Alutiiq Advanced Security Solutions LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $2,032,674 in visible federal obligations across 6 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561612 (Security Guards and Patrol Services). The profile also shows meaningful product and service activity in PSC S206.

$4,427,512

Alutiiq Business Services, LLC

Anchorage, AK

Alutiiq Business Services, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $735,659 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611519 (Other Technical and Trade Schools). The profile also shows meaningful product and service activity in PSC R499.

$46,168,307

Kratos Defense & Security Solutions, Inc.

San Diego, CA

Kratos Defense & Security Solutions, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $29,468 in visible federal obligations across 1 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561621 (Security Systems Services (except Locksmiths)). The profile also shows meaningful product and service activity in PSC J063.

$29,468
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