Agency + NAICS page

Department of Health and Human Services 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 Health and Human Services.

Agency: Department of Health and Human Services
Last updated: April 3, 2026

Visible recipients

5

Mapped obligations

$1,281,996,300

Top PSC links

4

Top recipients

Visible recipients tied to Department of Health and Human Services and NAICS 561621

Serco INC

Herndon, VA

Serco INC is a federal category business profile based in Herndon, VA. The current public data layer shows $1,006,141,546 in visible federal obligations across 1,029 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$653,436,871

Paragon Systems INC

Herndon, VA

Paragon Systems INC is a federal category business profile based in Herndon, VA. The current public data layer shows $533,359,903 in visible federal obligations across 692 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.

$257,864,029

Triple Canopy INC

Herndon, VA

Triple Canopy INC is a federal category business profile based in Herndon, VA. The current public data layer shows $370,722,968 in visible federal obligations across 334 awards or transactions. Department of State 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.

$244,892,339

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

Olgoonik Solutions LLC

Anchorage, AK

Olgoonik Solutions LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $17,123,797 in visible federal obligations across 76 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$24,467,011