Department of Defense NAICS 561621 and PSC D399 contractors

Security Systems Services (except Locksmiths). IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 561621 · PSC D399

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$53,612,606

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 561621 and PSC D399

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.

$53,612,606