NAICS + PSC page

NAICS 541330 and PSC 1345 contractors

Engineering Services. LAND MINES. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC 1345

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$4,083,377,659

State overlap

Top recipients

Visible recipients in the NAICS 541330 and PSC 1345 overlap

Mantech Telecommunications And Information Systems Corporation

Fairfax, VA

Mantech Telecommunications And Information Systems Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $3,297,715,310 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC 1345.

$4,083,377,659