NAICS 237990 and PSC Y1AA contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF OFFICE BUILDINGS. Cross-code contractor overlap.

NAICS 237990 + PSC Y1AA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$4,988,414,523

State overlap

Top recipients

Visible recipients in the NAICS 237990 and PSC Y1AA overlap

Clark Construction Group LLC

Bethesda, MD

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

$1,519,776,992

Ecc International, LLC

Burlingame, CA

Burlingame, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$123,873,828

Hensel Phelps Construction CO

Tysons Corner, VA

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

$2,346,829,681

Abbott General Construction, Inc.

Hampton, VA

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

$36,765,700

Olgoonik Federal, LLC

Anchorage, AK

Anchorage, AK | 130 awards | Top agency Department of Defense | NAICS 493110

$95,558,743

Doyon Management Services, LLC

Federal Way, WA

Federal Way, WA | 66 awards | Top agency Department of Defense | NAICS 236220

$34,689,990

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

$33,327,951

Manhattan Construction Company LLC

Arlington, VA

Arlington, VA | 35 awards | Top agency Department of Defense | NAICS 236220

$295,584,898

M. A. Mortenson Company

Minneapolis, MN

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

$455,426,942

Christman Company, The

Lansing, MI

Lansing, MI | 14 awards | Top agency General Services Administration | NAICS 236220

$46,579,798

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