Department of Homeland Security NAICS 517919 and PSC D399 contractors

All Other Telecommunications. 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 Homeland Security.

Department of Homeland Security · NAICS 517919 · PSC D399

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$3,362,753,328

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 517919 and PSC D399

Lockheed Martin Services, LLC

Gaithersburg, MD

Lockheed Martin Services, LLC is a federal category business profile based in Gaithersburg, MD. The current public data layer shows -$306,294 in visible federal obligations across 5 awards or transactions. Department of Transportation 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 5820.

$3,362,753,328