General Services Administration NAICS 237990 and PSC Y111 contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF OFFICE BUILDINGS. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 237990 · PSC Y111

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$2,298,434,247

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 237990 and PSC Y111

Clark Construction Group LLC

Bethesda, MD

Bethesda, MD | 109 awards | Top agency Department of Defense | NAICS 236220

Hensel Phelps Construction CO

Tysons Corner, VA

Tysons Corner, VA | 60 awards | Top agency Department of Defense | NAICS 236220

Akima Construction Services LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 236220

M. A. Mortenson Company

Minneapolis, MN

Minneapolis, MN | 59 awards | Top agency Department of Defense | NAICS 236220

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