Agency + NAICS page

Department of the Interior 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 the Interior.

Agency: Department of the Interior
Last updated: April 8, 2026

Visible recipients

7

Mapped obligations

$110,780,974

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Interior and NAICS 561621

Alutiiq Global Solutions, LLC

Anchorage, AK

Alutiiq Global Solutions, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $208,315,787 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y199.

$26,014,603

Siemens Government Technologies INC

Arlington, VA

Siemens Government Technologies INC is a federal category business profile based in Arlington, VA. The current public data layer shows $111,989,171 in visible federal obligations across 227 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.

$57,176,178

The Whitestone Group, Inc.

Reynoldsburg, OH

The Whitestone Group, Inc. is a federal category business profile based in Reynoldsburg, OH. The current public data layer shows $44,135,018 in visible federal obligations across 67 awards or transactions. Department of Transportation 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.

$1,210,299

Chenega Security International California

Chantilly, VA

Chenega Security International California is a federal alaskan native corporation owned firm profile based in Chantilly, VA. The current public data layer shows $15,708,482 in visible federal obligations across 1 awards or transactions. Department of the Interior 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.

$2,180,404

Agency Management Concepts INC

Oakton, VA

Agency Management Concepts INC is a federal 8a program participant profile based in Oakton, VA. The current public data layer shows $2,993,604 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 561621 (Security Systems Services (except Locksmiths)). The profile also shows meaningful product and service activity in PSC N063.

$1,132,238

Chenega Infinity, LLC

Chantilly, VA

Chenega Infinity, LLC is a federal 8a program participant profile based in Chantilly, VA. The current public data layer shows $2,336,910 in visible federal obligations across 10 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.

$22,637,972

Venesco Construction Management LLC

Chantilly, VA

Venesco Construction Management LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,783,855 in visible federal obligations across 14 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1AA.

$429,280