State + agency + NAICS page

Department of Defense NAICS 541330 contractors in Virginia

Engineering Services. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Virginia + Department of Defense
Last updated: April 8, 2026

Visible recipients

129

Mapped obligations

$150,635,165,572

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense, Virginia, and NAICS 541330

Peraton Technology Services Inc.

Chantilly, VA

Peraton Technology Services Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $162,149,325 in visible federal obligations across 259 awards or transactions. General Services Administration 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 R499.

$843,327,747

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$554,074,460

Halvik, LLC

Vienna, VA

Halvik, LLC is a federal 8a program participant profile based in Vienna, VA. The current public data layer shows $157,469,966 in visible federal obligations across 202 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 R499.

$249,261,231

Analytical Mechanics Associates, Inc.

Hampton, VA

Analytical Mechanics Associates, Inc. is a federal category business profile based in Hampton, VA. The current public data layer shows $148,609,270 in visible federal obligations across 129 awards or transactions. National Aeronautics and Space Administration 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 AR11.

$52,040,035

American Systems Corporation

Mclean, VA

American Systems Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $147,161,687 in visible federal obligations across 295 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.

$786,859,951

Securigence LLC

Leesburg, VA

Securigence LLC is a federal alaskan native corporation owned firm profile based in Leesburg, VA. The current public data layer shows $134,804,914 in visible federal obligations across 71 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D301.

$2,501

Sev1tech, LLC

Woodbridge, VA

Sev1tech, LLC is a federal category business profile based in Woodbridge, VA. The current public data layer shows $133,265,250 in visible federal obligations across 225 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 R425.

$342,679,114

Leidos Engineering LLC

Reston, VA

Leidos Engineering LLC is a federal category business profile based in Reston, VA. The current public data layer shows $132,800,741 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 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C211.

$49,458,212

Guidehouse Digital LLC

Mc Lean, VA

Guidehouse Digital LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $129,682,252 in visible federal obligations across 388 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D318.

$59,807,488

Agile Defense, LLC

Mclean, VA

Agile Defense, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $117,866,568 in visible federal obligations across 496 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D301.

$24,500,196
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