NAICS + PSC page

NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC R499
Last updated: April 6, 2026

Visible recipients

60

Mapped obligations

$33,876,438,527

State overlap

0

Top recipients

Visible recipients in the NAICS 541990 and PSC R499 overlap

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,418,891,705 in visible federal obligations across 1,842 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.

$6,813,923,389

Caci Premier Technology, LLC

Chantilly, VA

Caci Premier Technology, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,735,863,999 in visible federal obligations across 5 awards or transactions. Office of Personnel Management appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561611 (Investigation and Personal Background Check Services). The profile also shows meaningful product and service activity in PSC R422.

$101,929,762

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$315,500,795

Ecs Federal, LLC

Fairfax, VA

Ecs Federal, LLC is a federal category business profile based in Fairfax, VA. The current public data layer shows $553,440,366 in visible federal obligations across 405 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 R425.

$699,231,950

Aecom Recovery

Arlington, VA

Aecom Recovery is a federal category business profile based in Arlington, VA. The current public data layer shows $449,711,571 in visible federal obligations across 5 awards or transactions. Department of Homeland Security 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 C219.

$140,000

Amentum National Security Programs, INC

Chantilly, VA

Amentum National Security Programs, INC is a federal category business profile based in Chantilly, VA. The current public data layer shows $402,038,105 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$436,368,898

Westat, Inc.

Bethesda, MD

Westat, Inc. is a federal category business profile based in Bethesda, MD. The current public data layer shows $343,608,618 in visible federal obligations across 469 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541720 (Research and Development in the Social Sciences and Humanities). The profile also shows meaningful product and service activity in PSC AN11.

$1,667,401,173

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $305,176,232 in visible federal obligations across 242 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.

$829,892,978

Cognosante Mvh LLC

Arlington, VA

Cognosante Mvh LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $271,236,755 in visible federal obligations across 60 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 R499.

$638,803,004

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $262,597,651 in visible federal obligations across 376 awards or transactions. Department of Transportation 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.

$644,614,015
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