Small Business Administration NAICS 541990 and PSC AD25 contractors

All Other Professional, Scientific, and Technical Services. R&D- DEFENSE OTHER: SERVICES (OPERATIONAL SYSTEMS DEVELOPMENT). Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Small Business Administration.

Small Business Administration · NAICS 541990 · PSC AD25

Last updated: April 5, 2026

Visible recipients

Mapped obligations

$1,135,362,123

State overlap

Top recipients

Visible recipients in the Small Business Administration overlap of NAICS 541990 and PSC AD25

Qlarant Integrity Solutions LLC

Easton, MD

Qlarant Integrity Solutions LLC is a federal category business profile based in Easton, MD. The current public data layer shows $84,807,227 in visible federal obligations across 24 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 R499.

$1,135,362,123