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Department of Homeland Security NAICS 541512 and PSC R799 contractors

Computer Systems Design Services. SUPPORT- MANAGEMENT: OTHER. 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 R799
Last updated: April 8, 2026

Visible recipients

13

Mapped obligations

$17,169,108,973

State overlap

3

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541512 and PSC R799

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,409,075,725 in visible federal obligations across 1,829 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.

$13,460,878,837

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Mantech Mission, Cyber And Technology Solutions, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $407,177,745 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 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$99,893,748

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 $129,682,252 in visible federal obligations across 388 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.

$1,286,674,458

Rei Systems, Inc.

Chantilly, VA

Rei Systems, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $124,444,203 in visible federal obligations across 168 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.

$253,587,151

Macaulay-brown, Inc.

Dayton, OH

Macaulay-brown, Inc. is a federal category business profile based in Dayton, OH. The current public data layer shows $86,765,347 in visible federal obligations across 5 awards or transactions. General Services Administration 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 7050.

-$94

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chenega Enterprise Systems & Solutions, LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $51,792,787 in visible federal obligations across 188 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 R499.

$53,835,177

Digital Management LLC

Mc Lean, VA

Digital Management LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $28,802,248 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$1,642,512,160

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.

$89,782,449

Cognosante Cds, LLC

Arlington, VA

Cognosante Cds, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $5,384,027 in visible federal obligations across 20 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.

$189,656,895

Onezero Solutions, LLC

Alexandria, VA

Onezero Solutions, LLC is a federal 8a program participant profile based in Alexandria, VA. The current public data layer shows $4,191,570 in visible federal obligations across 31 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 DA01.

$14,367,284
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