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General Services Administration 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 General Services Administration.

General Services Administration · NAICS 541511 · PSC R799
Last updated: April 8, 2026

Visible recipients

12

Mapped obligations

$2,174,908,052

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541511 and PSC R799

Mantech Sensor Technologies, Inc.

Belcamp, MD

Mantech Sensor Technologies, Inc. is a federal category business profile based in Belcamp, MD. The current public data layer shows $3,187,563,450 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$25,197,719

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

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

Abacus Technology Corporation

Chevy Chase, MD

Abacus Technology Corporation is a federal asian pacific american owned business profile based in Chevy Chase, MD. The current public data layer shows $54,153,079 in visible federal obligations across 113 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 D301.

$124,427,582

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

T And T Consulting Services Inc.

Falls Church, VA

T And T Consulting Services Inc. is a federal asian pacific american owned business profile based in Falls Church, VA. The current public data layer shows $25,177,065 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 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC R499.

$154,014,603

Maximus Federal It, LLC

Mclean, VA

Maximus Federal It, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $13,200,250 in visible federal obligations across 5 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 D302.

$7,323,879

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

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.

$52,973,284
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