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

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 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.

$48,730,978

Peraton Services & Solutions Inc.

Herndon, VA

Peraton Services & Solutions Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $4,474,420 in visible federal obligations across 17 awards or transactions. National Aeronautics and Space 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 R425.

$1,220,501,128

Onezero Solutions, LLC

Alexandria, VA

Onezero Solutions, LLC is a federal 8a program participant profile based in Alexandria, VA. The current public data layer shows $4,191,570 in visible federal obligations across 31 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 DA01.

$500

Apex Expert Solutions LLC

Chantilly, VA

Apex Expert Solutions LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $4,049,855 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 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U099.

$0

Abbott On Call, Inc.

Vienna, VA

Abbott On Call, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $2,793,351 in visible federal obligations across 22 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.

$47,741,985

Indigo It, LLC

Herndon, VA

Indigo It, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $2,483,765 in visible federal obligations across 26 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 D316.

$838,807

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 41 awards or transactions. Department of Veterans Affairs 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.

$19,080,384

General Atomics Integrated Intelligence, Inc.

Charlottesville, VA

General Atomics Integrated Intelligence, Inc. is a federal category business profile based in Charlottesville, VA. The current public data layer shows $2,217,537 in visible federal obligations across 7 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 AD92.

$2,217,537

Ares Corporation

Mclean, VA

Ares Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $1,760,163 in visible federal obligations across 16 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 R425.

$65,731,983

Business Plus Corporation , A Subsidiary Of American Systems Corporation

Hampton, VA

Business Plus Corporation , A Subsidiary Of American Systems Corporation is a federal category business profile based in Hampton, VA. The current public data layer shows $1,585,431 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 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U009.

-$152,594
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