NAICS + PSC page

NAICS 541330 and PSC 9350 contractors

Engineering Services. REFRACTORIES AND FIRE SURFACING MATERIALS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC 9350

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$370,485,361

State overlap

Top recipients

Visible recipients in the NAICS 541330 and PSC 9350 overlap

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Leidos Security Detection & Automation, Inc. is a federal category business profile based in Tewksbury, MA. The current public data layer shows $32,979,902 in visible federal obligations across 56 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334517 (Irradiation Apparatus Manufacturing). The profile also shows meaningful product and service activity in PSC 6350.

$370,485,361