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Department of Homeland Security NAICS 541511 and PSC D399 contractors

Custom Computer Programming 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 541511 · PSC D399
Last updated: April 8, 2026

Visible recipients

45

Mapped obligations

$32,838,879,330

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541511 and PSC D399

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 80 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.

$394,855,043

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.

$615,948,084

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.

$28,218,773

Data Systems Analysts INC

Fairfax, VA

Data Systems Analysts INC is a federal category business profile based in Fairfax, VA. The current public data layer shows $14,317,128 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 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC D399.

$921,722,543

Link Solutions INC

Mc Lean, VA

Link Solutions INC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $13,206,993 in visible federal obligations across 51 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 R499.

$38,715,550

Trillion Technology Solutions INC

Reston, VA

Trillion Technology Solutions INC is a federal 8a program participant profile based in Reston, VA. The current public data layer shows $9,776,185 in visible federal obligations across 57 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 R499.

$48,146,210

Clearavenue LLC

Mc Lean, VA

Clearavenue LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $8,412,393 in visible federal obligations across 36 awards or transactions. General Services Administration 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.

$59,065,016

Intellibridge, LLC

Mc Lean, VA

Intellibridge, LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $8,119,431 in visible federal obligations across 45 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.

$254,141,584

I-link Solutions, Inc.

Chantilly, VA

I-link Solutions, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $6,524,037 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 D302.

$1,128,558

Solutions Through Innovative Technologies INC

Fairborn, OH

Solutions Through Innovative Technologies INC is a federal black american owned business profile based in Fairborn, OH. The current public data layer shows $5,348,826 in visible federal obligations across 72 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.

$55,942,979
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