PSC Z1KF federal contractors, buyers, and awards

MAINTENANCE OF DREDGING FACILITIES. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: Z1KF

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$556,079,018

Buyer overlap

Top recipients

Recipients active in this PSC lane

Manson Construction CO

Seattle, WA

Top buyer: Department of DefenseRecent award: 2026-02-26

$476,654,828

Ahtna Marine & Construction Company, LLC

Boynton Beach, FL

Top buyer: Department of DefenseRecent award: 2025-08-28

$37,460,678

Ahtna Design-build INC

West Sacramento, CA

Top buyer: Department of DefenseRecent award: 2025-09-26

$12,835,263

Healy Tibbitts Builders, Inc.

Aiea, HI

Top buyer: Department of DefenseRecent award: 2023-12-14

$29,128,249

Browse by dimension

State, agency, and industry paths

States

Washington

1 recipients · $223,706,344

Florida

1 recipients · $4,412,554

California

1 recipients · $2,082,852

Hawaii

1 recipients · $557,260

Agencies

Department of Defense

Open the agency-scoped PSC view.

NAICS

NAICS 237990

4 recipients · $4,125,692,504

NAICS 237110

2 recipients · $16,044,000

Explore rankings

Ranking paths for PSC Z1KF

Top Recipients Top Awards Top States Top NAICS Washington view Department of Defense view Washington + NAICS 237990 Department of Defense + NAICS 237990 Department of Defense top NAICS Washington top NAICS Washington + Department of Defense top PSC Washington + Department of Defense + NAICS 237990

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