NAICS 541990 and PSC R422 contractors in Maryland

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: MARKET RESEARCH/PUBLIC OPINION. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Maryland.

Maryland · NAICS 541990 · PSC R422

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$1,471,765,825

Buyer overlap

Top recipients

Visible recipients in the Maryland overlap of NAICS 541990 and PSC R422

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.

$1,471,765,825