Mantech Systems Engineering Corporation

Mantech Systems Engineering Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,150,010,370 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 R425. Use this page to review federal contracts, federal awards, awarding agencies, category signals, and state context from one recipient profile.

UEI: DG2GQ6XXZCJ7

Location: Fairfax, VA

Last updated: April 2, 2026

5 visible awards or transactions are attached to this profile.

Department of Defense is the most visible awarding agency at $1,111,843,461.

Top industry concentration sits in NAICS 541330 (Engineering Services).

Top product and service concentration sits in PSC R425.

Total obligations

$1,150,010,370

Award count

Top agency

Department of Defense

Top category

NAICS 541330

How to use this profile

The fastest way to read this recipient page

Start with buyer concentration

Use the agency block first if the goal is to understand who buys from this recipient most heavily.

Use recent awards for evidence

Open individual award pages when you need a cleaner record-level entry point tied back to the company profile.

Branch into codes next

NAICS and PSC pages are best when the research goal shifts from one company to the wider market lane.

Top awarding agencies