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Department of Defense NAICS 541611 and PSC D399 contractors

Administrative Management and General Management Consulting Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. 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 541611 · PSC D399
Last updated: April 8, 2026

Visible recipients

62

Mapped obligations

$59,808,703,621

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541611 and PSC D399

Caci-iss, LLC

Chantilly, VA

Caci-iss, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $31,674,903 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 517110 (Wired Telecommunications Carriers). The profile also shows meaningful product and service activity in PSC D307.

$1,044,770,464

Insignia Technology Services, LLC

Ashburn, VA

Insignia Technology Services, LLC is a federal category business profile based in Ashburn, VA. The current public data layer shows $31,502,506 in visible federal obligations across 44 awards or transactions. Department of Veterans Affairs 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 D399.

$127,852,706

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Mantech Gray Hawk Systems, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,570,924 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.

$20,048,829

T And T Consulting Services Inc.

Falls Church, VA

T And T Consulting Services Inc. is a federal asian pacific american owned business profile based in Falls Church, VA. The current public data layer shows $25,177,065 in visible federal obligations across 73 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 R499.

$62,560,739

Ellumen, Inc.

Silver Spring, MD

Ellumen, Inc. is a federal category business profile based in Silver Spring, MD. The current public data layer shows $21,911,057 in visible federal obligations across 52 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 R408.

$46,958,431

Systems Plus, Inc.

Rockville, MD

Systems Plus, Inc. is a federal category business profile based in Rockville, MD. The current public data layer shows $21,459,169 in visible federal obligations across 56 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.

$67,672,110

Lintech Global INC

Mclean, VA

Lintech Global INC is a federal category business profile based in Mclean, VA. The current public data layer shows $19,010,578 in visible federal obligations across 70 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 D399.

$108,755,807

Censeo Consulting Group, Inc.

Washington, DC

Censeo Consulting Group, Inc. is a federal category business profile based in Washington, DC. The current public data layer shows $17,123,386 in visible federal obligations across 117 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$197,119,177

Arservices, Limited

Falls Church, VA

Arservices, Limited is a federal black american owned business profile based in Falls Church, VA. The current public data layer shows $11,986,727 in visible federal obligations across 33 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.

$33,920,243

Evoke Research And Consulting, LLC

Reston, VA

Evoke Research And Consulting, LLC is a federal category business profile based in Reston, VA. The current public data layer shows $11,155,208 in visible federal obligations across 87 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R408.

$89,543,945
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