NAICS + PSC page

NAICS 541690 and PSC R421 contractors

Other Scientific and Technical Consulting Services. TECHNICAL ASSISTANCE. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541690 + PSC R421
Last updated: April 6, 2026

Visible recipients

4

Mapped obligations

$1,492,302,879

State overlap

0

Top recipients

Visible recipients in the NAICS 541690 and PSC R421 overlap

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.

$239,801,212

Jbs International, Inc.

Rockville, MD

Jbs International, Inc. is a federal category business profile based in Rockville, MD. The current public data layer shows $51,361,037 in visible federal obligations across 53 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 R408.

$137,878,196

Abt Global LLC

Cambridge, MA

Abt Global LLC is a federal category business profile based in Cambridge, MA. The current public data layer shows $18,741,318 in visible federal obligations across 45 awards or transactions. Agency for International Development 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 R425.

$1,072,187,545

Altarum Institute

Novi, MI

Altarum Institute is a federal category business profile based in Novi, MI. The current public data layer shows $2,913,706 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 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$42,435,926