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Home/Small Business Administration/NAICS 561621

Agency + NAICS page

Small Business 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 Small Business Administration.

Agency: Small Business Administration
Last updated: April 7, 2026

Visible recipients

2

Mapped obligations

$1,561,518

Top PSC links

4

Top recipients

Visible recipients tied to Small Business Administration and NAICS 561621

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

Top ranking views

Focused rankings for NAICS 561621 under Small Business Administration

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