Small Business Administration NAICS 541990 and PSC R428 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS. 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 R428

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$37,870,926

State overlap

Top recipients

Visible recipients in the Small Business Administration overlap of NAICS 541990 and PSC R428

Cydecor Inc.

Arlington, VA

Cydecor Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $26,736,226 in visible federal obligations across 75 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.

$37,870,926