Western Marine Construction

What Western Marine Construction does

Western Marine Construction, Inc. is a privately held, Seattle-based general contractor founded in 1961 that specializes in water-related construction across Alaska, the Pacific Northwest, and the broader Pacific region. The company delivers marine infrastructure projects including pile driving, dredging, rock-socket drilling, post-tensioned rock anchor installation, underwater blasting and excavation, rubble-mound breakwater construction, ferry terminal improvements, dock and pier construction, marine fuel system installation, and environmental remediation. It also offers design-build delivery, upland civil construction, and specialized remote logistics for projects in challenging or isolated locations.

The company serves two primary customer segments: government clients — chiefly the U.S. Army Corps of Engineers Alaska District and the Alaska Department of Transportation and Public Facilities (including the Alaska Marine Highway System) — and private commercial clients including seafood processors (Trident Seafoods), marine fuel providers (Petro Marine Services), and shipping operators. Western Marine operates as a self-performing general contractor with its own fleet of heavy marine equipment (barges, tugs, survey vessels, cranes, excavators) and a certified workforce of divers, crane operators, tugboat captains, and blasting specialists, which reduces reliance on subcontractors and enables execution in remote Alaskan environments.

Revenue is generated through competitive bidding on government procurement processes and direct contract negotiation for private-sector work, with project-based, one-time contracting as the primary revenue mechanic. The company has been recognized multiple times by the USACE Alaska District as Contractor of the Year and nominated for the USACE Pacific Ocean Division Construction Management Award. It is classified as a small business under NAICS, with 11-50 employees, and operates from a Seattle headquarters and a Juneau, Alaska operations and staging yard. It has no disclosed external funding, no parent company, no M&A activity, and no public listing.

Name

Western Marine Construction

Legal name

Western Marine Construction Inc.

Website

https://www.westernmarineconstruction.com

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

11–50 employees

Short description

Western Marine Construction is a Seattle-based, privately held marine and upland general contractor founded in 1961, serving federal and state government agencies (USACE, Alaska DOT&PF) and private commercial clients in Alaska and the Pacific Northwest through pile driving, dredging, breakwater, ferry terminal, and environmental remediation projects.

Ownership category

akta.pro rank

Product category

Marine Construction Services

NAICS

Other Foundation, Structure, and Building Exterior Contractors (238190)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Port & Harbor Construction (Quays, Wharves, Berths) (IMAFAJAA)

akta.pro secondary industries

Dredging & Channel Deepening (Capital & Maintenance) (IMAFAJAB), Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing) (IMAFAJAI), Port Rehabilitation, Maintenance & Asset Renewal (Repairs, Strengthening) (IMAFAJAL), Marine Terminals & Cargo Handling Infrastructure (RoRo, Bulk, Container) (IMAFAJAF)

Keywords

• Marine construction services
• Pile driving contracting
• Harbor dredging services
• Ferry terminal construction
• Breakwater construction

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure

Revenue model

1. Marine Construction Projects: Project-based construction contracts for government and private sector clients. Revenue generated through competitive bidding on infrastructure projects including ferry terminals, docks, breakwaters, and dredging. Work is typically one-time/project-based with some recurring maintenance relationships.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Western Marine Construction is a general contractor specializing in water-related construction since 1961. The firm provides pile driving (including rock-socket drilling and post-tensioned rock anchor installation), dredging, underwater blasting and excavation, breakwater and revetment construction, ferry terminal improvements, dock and pier construction, outfalls, marine fuel system installation, environmental remediation, and design-build project delivery. It serves both government and private sector clients in Alaska, the West Coast, and the Pacific region.

Product overview

Western Marine Construction is a small business, Northwest-based general contractor specializing in marine construction since 1961. The company operates as a single unified service provider offering comprehensive marine construction capabilities including Pile Driving, Dredging, Drilling, Socketed Pile, Rock Anchors, Breakwaters and Revetments, Marine Structures, Docks and Piers, Outfalls, and Design-Build services. The company serves both public and private sectors throughout Alaska, West Coast, and Pacific regions from offices in Seattle, WA and Juneau, AK. The portfolio includes ferry terminal improvements, harbor rehabilitation, dock extensions, breakwater construction, environmental remediation, and upland infrastructure projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Marine Construction Services
• Design-Build Services
• Upland Construction Services
• Environmental Remediation Services
• Remote Logistics and Marine Operations

Quantifiable outcome

• Recognized for safety and achievement by USACE Pacific Ocean Division Construction Management Award nomination and Alaska District Contractor of the Year Award multiple times

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Manson Construction Co. Pacific Northwest-based marine construction and dredging contractor with comparable pile driving, dock, pier, and harbor infrastructure capabilities serving similar federal and port clients.
• Orion Marine Group: U.S. marine construction specialist providing pile driving, heavy civil marine infrastructure, and dredging services to government and private clients across coastal markets.
• Dutra Group: West Coast marine construction and dredging contractor with overlapping capabilities in breakwater, pier, levee, and channel-deepening work for government and commercial customers.
• Weeks Marine: Large marine construction and dredging firm with overlapping dredging, breakwater, and coastal infrastructure capabilities serving federal and commercial clients.

Regional players

• Pacific Pile & Marine: Pacific Northwest heavy civil and marine contractor performing pile driving, dock construction, and marine infrastructure for ports, terminals, and government agencies.
• Pacific Dredge & Construction: West Coast dredging and marine construction specialist with comparable capabilities in harbor dredging, beach nourishment, and coastal infrastructure projects.
• Brundage-Bone Concrete Pumping / American Marine Corporation: Pacific Northwest/Alaska marine contractor providing heavy marine and underwater construction services, including pile driving and waterfront infrastructure for public agencies.

Broad incumbents

• Great Lakes Dredging & Dock Corporation: Largest U.S. dredging and marine construction contractor, providing broader geographic scale and competing for many of the same federal harbor maintenance and deepening programs.
• Traylor Bros. Heavy civil and marine contractor with significant pile driving, bridge, and waterfront infrastructure capabilities that bid into the same federal heavy civil procurement pool.
• Kiewit (Marine/Heavy Civil Division): National heavy civil contractor with marine and port infrastructure capabilities that competes for large-scale harbor and breakwater programs and absorbs smaller primes on mega-projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/western-marine-construction

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Western Marine Construction