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Department of Defense NAICS 541512 and PSC D399 contractors

Computer Systems Design 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 541512 · PSC D399
Last updated: April 6, 2026

Visible recipients

78

Mapped obligations

$267,211,017,050

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541512 and PSC D399

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.

$120,139,157

Innovasystems International LLC

El Cajon, CA

Innovasystems International LLC is a federal category business profile based in El Cajon, CA. The current public data layer shows $25,083,297 in visible federal obligations across 11 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 J070.

$89,342,844

Caci Enterprise Solutions, LLC

Chantilly, VA

Caci Enterprise Solutions, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $24,242,075 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$1,391,477,258

Mantech Security Technologies Corporation

Fairfax, VA

Mantech Security Technologies Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $23,482,290 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$46,902,362

Asrc Federal Data Solutions, LLC

Beltsville, MD

Asrc Federal Data Solutions, LLC is a federal 8a program participant profile based in Beltsville, MD. The current public data layer shows $19,062,885 in visible federal obligations across 50 awards or transactions. National Aeronautics and Space Administration 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 D304.

$546,947,552

Advanced It Concepts, LLC

Orlando, FL

Advanced It Concepts, LLC is a federal 8a program participant profile based in Orlando, FL. The current public data layer shows $19,005,268 in visible federal obligations across 18 awards or transactions. Department of Defense 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 D399.

$76,188,604

Harmonia Holdings Group, LLC

Mclean, VA

Harmonia Holdings Group, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $18,667,472 in visible federal obligations across 81 awards or transactions. Department of Agriculture 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 D302.

$160,384,643

Sekon Enterprise, LLC

Vienna, VA

Sekon Enterprise, LLC is a federal black american owned business profile based in Vienna, VA. The current public data layer shows $15,419,408 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R408.

$407,049,198

Trussworks, Inc.

San Francisco, CA

Trussworks, Inc. is a federal 8a program participant profile based in San Francisco, CA. The current public data layer shows $11,492,067 in visible federal obligations across 24 awards or transactions. Department of Health and Human Services 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 DA10.

$64,574,581

The Informatics Applications Group, Inc.

Reston, VA

The Informatics Applications Group, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $10,898,150 in visible federal obligations across 30 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.

$314,279,801
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