Agency + NAICS page

General Services Administration 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 General Services Administration.

Agency: General Services Administration
Last updated: April 8, 2026

Visible recipients

9

Mapped obligations

$1,146,288,789

Top PSC links

4

Top recipients

Visible recipients tied to General Services Administration and NAICS 561621

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

M. C. Dean, Inc.

Tysons, VA

M. C. Dean, Inc. is a federal category business profile based in Tysons, VA. The current public data layer shows $366,425,260 in visible federal obligations across 1,299 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 J058.

$721,375,070

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

Advanced It Concepts, LLC

Orlando, FL

Advanced It Concepts, LLC is a federal 8a program participant profile based in Orlando, FL. The current public data layer shows $19,005,268 in visible federal obligations across 18 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D399.

$8,830,674

Chenega Security International, LLC

Chantilly, VA

Chenega Security International, LLC is a federal 8a program participant profile based in Chantilly, VA. The current public data layer shows $14,093,569 in visible federal obligations across 28 awards or transactions. Department of Defense 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.

$40,270,100

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

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

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