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Department of Homeland Security 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 Homeland Security.

Department of Homeland Security · NAICS 541512 · PSC D399
Last updated: April 6, 2026

Visible recipients

46

Mapped obligations

$187,567,289,461

State overlap

4

Top recipients

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

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R499.

$111,579,535

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.

$7,035,376

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

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

Sevatec LLC

Reston, VA

Sevatec LLC is a federal 8a program participant profile based in Reston, VA. The current public data layer shows $15,833,262 in visible federal obligations across 17 awards or transactions. Department of Homeland Security 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.

$907,376,598

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

Intellibridge, LLC

Mc Lean, VA

Intellibridge, LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $8,398,408 in visible federal obligations across 46 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 D316.

$505,163,320

Skyepoint Decisions, Inc.

Dulles, VA

Skyepoint Decisions, Inc. is a federal category business profile based in Dulles, VA. The current public data layer shows $5,682,174 in visible federal obligations across 17 awards or transactions. Department of Education 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 DJ10.

$67,013,104

Zermount, Inc.

Arlington, VA

Zermount, Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $4,765,340 in visible federal obligations across 41 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 DJ01.

$94,696,570

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.

$432,571,308
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