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Department of Defense NAICS 541330 and PSC D306 contractors

Engineering Services. IT AND TELECOM- SYSTEMS ANALYSIS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541330 · PSC D306
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$2,082,129,336

State overlap

3

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC D306

Mantech Systems Engineering Corporation

Fairfax, VA

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.

$1,231,984,249

Imagine One Technology & Management LTD

Lexington Park, MD

Imagine One Technology & Management LTD is a federal category business profile based in Lexington Park, MD. The current public data layer shows $64,402,106 in visible federal obligations across 49 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 D306.

$697,431,579

Data Systems Analysts INC

Fairfax, VA

Data Systems Analysts INC is a federal category business profile based in Fairfax, VA. The current public data layer shows $14,317,128 in visible federal obligations across 12 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC D399.

$152,096,656

Colsa Corporation

San Diego, CA

Colsa Corporation is a federal category business profile based in San Diego, CA. The current public data layer shows $804,004 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 J059.

$616,852