Department of Transportation NAICS 237990 and PSC Y1QA contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE). Cross-code overlap under Department of Transportation.

Department of Transportation · NAICS 237990 · PSC Y1QA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,217,446,868

State overlap

Top recipients

Visible recipients in the Department of Transportation overlap of NAICS 237990 and PSC Y1QA

Weston Solutions INC

West Chester, PA

West Chester, PA | 378 awards | Top agency Department of Defense | NAICS 236220

$728,911,500

Knik Construction Co., Inc.

Seatac, WA

Seatac, WA | 20 awards | Top agency Department of Defense | NAICS 237310

$51,569,299

Kiewit Infrastructure Co.

Woodcliff Lake, NJ

Woodcliff Lake, NJ | 22 awards | Top agency Department of Defense | NAICS 237310

$436,966,069

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