Department of Homeland Security NAICS 334511 and PSC 1911 contractors

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing. AMPHIBIOUS ASSAULT SHIPS. 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 334511 · PSC 1911

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$4,653,815,752

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 334511 and PSC 1911

Northrop Grumman Ship Systems,

Pascagoula, MS

Northrop Grumman Ship Systems, is a federal category business profile based in Pascagoula, MS. The current public data layer shows $5,973,572,866 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 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC 1911.

$4,653,815,752