Department of Transportation contractors in Washington

Use this state-scoped buyer page to see which visible federal contractors sit closest to Department of Transportation inside Washington.

State: Washington

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$184,903,166

Visible recipients tied to Department of Transportation in Washington

Kiewit Infrastructure West Co.

Vancouver, WA

Kiewit Infrastructure West Co. is a federal category business profile based in Vancouver, WA. The current public data layer shows $413,911,481 in visible federal obligations across 58 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y1BD.

$58,908,661

Wsp USA INC

Federal Way, WA

Wsp USA INC is a federal category business profile based in Federal Way, WA. The current public data layer shows $16,693,795 in visible federal obligations across 30 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$125,994,505

Browse by NAICS

Industry paths for Department of Transportation in Washington

NAICS 237990

1 visible recipients and $1,011,043,616 in mapped obligations inside this state-buyer lane.

NAICS 237310

1 visible recipients and $753,733,094 in mapped obligations inside this state-buyer lane.

NAICS 541330

1 visible recipients and $372,508,133 in mapped obligations inside this state-buyer lane.

NAICS 238110

1 visible recipients and $361,863,268 in mapped obligations inside this state-buyer lane.

NAICS 236220

1 visible recipients and $125,475,757 in mapped obligations inside this state-buyer lane.

NAICS 237110

1 visible recipients and $67,124,415 in mapped obligations inside this state-buyer lane.

Browse by PSC

Product and service paths for Department of Transportation in Washington

PSC Y1BD

1 visible recipients and $495,652,886 in mapped obligations inside this state-buyer lane.

PSC Y1KZ

1 visible recipients and $449,844,815 in mapped obligations inside this state-buyer lane.

PSC Y1KB

1 visible recipients and $326,791,985 in mapped obligations inside this state-buyer lane.

PSC Y1PD

1 visible recipients and $217,689,527 in mapped obligations inside this state-buyer lane.

PSC Y1PZ

1 visible recipients and $201,042,373 in mapped obligations inside this state-buyer lane.

PSC C211

1 visible recipients and $151,426,680 in mapped obligations inside this state-buyer lane.