General Services Administration NAICS 541990 and PSC Y1AA contractors

All Other Professional, Scientific, and Technical Services. CONSTRUCTION OF OFFICE BUILDINGS. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541990 · PSC Y1AA

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$192,662,870

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC Y1AA

Walsh Federal LLC

Chicago, IL

Chicago, IL | 169 awards | Top agency Department of Defense | NAICS 236220

$174,318,316

Nv5 Consultants, Inc.

Saint Paul, MN

Saint Paul, MN | 31 awards | Top agency Department of State | NAICS 541330

$18,344,554

Agency profile

Loading buyer-level contractor and category paths

Home/General Services Administration/NAICS 541990/PSC Y1AA

Agency + NAICS + PSC page