General Services Administration NAICS 541690 and PSC R405 contractors

Other Scientific and Technical Consulting Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. 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 541690 · PSC R405

Last updated: April 5, 2026

Visible recipients

Mapped obligations

$144,757,339

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541690 and PSC R405

Health Services Advisory Group, Inc.

Phoenix, AZ

Health Services Advisory Group, Inc. is a federal category business profile based in Phoenix, AZ. The current public data layer shows $95,066,197 in visible federal obligations across 30 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541618 (Other Management Consulting Services). The profile also shows meaningful product and service activity in PSC Q101.

$144,757,339