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Department of Homeland Security NAICS 541990 and PSC D399 contractors

All Other Professional, Scientific, and Technical 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 541990 · PSC D399
Last updated: April 8, 2026

Visible recipients

14

Mapped obligations

$6,461,970,399

State overlap

3

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC D399

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.

$76,124,705

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.

$20,963,804

Arc Aspicio LLC

Arlington, VA

Arc Aspicio LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $6,151,771 in visible federal obligations across 59 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 R408.

$41,152,123

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.

$64,451,195
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