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Department of Homeland Security NAICS 541511 and PSC R799 contractors

Custom Computer Programming 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 541511 · PSC R799
Last updated: April 8, 2026

Visible recipients

12

Mapped obligations

$2,998,007,996

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541511 and PSC R799

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $192,722,326 in visible federal obligations across 221 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.

$855,109,431

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.

$527,648,716

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.

$411,402,500

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.

$86,765,253

S & K Technologies, Inc.

Saint Ignatius, MT

S & K Technologies, Inc. is a federal american indian owned business profile based in Saint Ignatius, MT. The current public data layer shows $56,815,347 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R706.

$13,207,866

Sehlke Consulting LLC

Vienna, VA

Sehlke Consulting LLC is a federal category business profile based in Vienna, VA. The current public data layer shows $42,603,555 in visible federal obligations across 79 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 R499.

$326,999,017

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.

$574,002,716

Aveshka, Inc.

Vienna, VA

Aveshka, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $6,937,419 in visible federal obligations across 62 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R699.

$29,440,025

Veritas Management Group, Inc.

Alpharetta, GA

Veritas Management Group, Inc. is a federal 8a program participant profile based in Alpharetta, GA. The current public data layer shows $6,598,897 in visible federal obligations across 34 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$7,806,285

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.

$84,048,603
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