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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

Rei Systems, Inc.

Chantilly, VA

Rei Systems, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $125,344,195 in visible federal obligations across 169 awards or transactions. Department of Health and Human Services 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 DA01.

$290,433,449

Guidehouse Digital LLC

Mc Lean, VA

Guidehouse Digital LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $116,712,874 in visible federal obligations across 385 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 D318.

$1,435,021,354

General Dynamics One Source LLC

Falls Church, VA

General Dynamics One Source LLC is a federal category business profile based in Falls Church, VA. The current public data layer shows $91,059,554 in visible federal obligations across 162 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.

$2,180,938,144

Mantech Mbi Inc.

Fairfax, VA

Mantech Mbi Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $88,973,980 in visible federal obligations across 5 awards or transactions. Department of Commerce 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.

$22,566,800

Karsun Solutions LLC

Herndon, VA

Karsun Solutions LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $83,844,223 in visible federal obligations across 125 awards or transactions. Department of Transportation 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 R425.

$103,812,028

Reli Group INC

Windsor Mill, MD

Reli Group INC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $79,433,948 in visible federal obligations across 118 awards or transactions. Department of Health and Human Services 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 R408.

$316,019,207

Decisionpoint Corporation

Gaithersburg, MD

Decisionpoint Corporation is a federal category business profile based in Gaithersburg, MD. The current public data layer shows $58,028,751 in visible federal obligations across 120 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541513 (Computer Facilities Management Services). The profile also shows meaningful product and service activity in PSC DA01.

$59,320,055

Customer Value Partners, LLC

Washington, DC

Customer Value Partners, LLC is a federal category business profile based in Washington, DC. The current public data layer shows $39,791,823 in visible federal obligations across 69 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 D399.

$839,350,666

Favor Techconsulting, LLC

Arlington, VA

Favor Techconsulting, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $39,734,834 in visible federal obligations across 49 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.

$1,189,120,525

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.

$1,574,189,274
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