General Services Administration NAICS 541690 and PSC C1AA contractors

Other Scientific and Technical Consulting Services. ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS. 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 C1AA

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$3,538,353

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541690 and PSC C1AA

Leidos Engineering LLC

Reston, VA

Leidos Engineering LLC is a federal category business profile based in Reston, VA. The current public data layer shows $132,800,741 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 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C211.

$3,538,353