Harbor Services
Foss Maritime delivers safe, reliable, and innovative harbor services across the West Coast, Hawaii, and beyond. With decades of experience and one of the most powerful and advanced tug fleets in the industry, we provide tailored support for terminals, refineries, shipyards, and port operations.
Ship Assist & Tanker Escort | Regional & Harbor Towing | Line Handling & Launch Services | Construction Support | Emergency Response & Rescue | Petroleum Transport & Lighterage | Offshore Terminal Services | Barge Mooring
Ship Assist & Tanker Escort
Foss supports more than 20,000 ship assists and 1,000+ tanker escort operations annually. Our highly trained crews and versatile fleet—including tractor tugs with up to 8,000 horsepower—safely guide the world’s largest containerships and tankers into and out of major U.S. ports.
Regional & Harbor Towing
From barge transport to construction support, Foss provides full-service towing for:
- Special project cargo
- Aggregate and forest products
- Petroleum and grain
- Shipyard/drydock support
- Terminal equipment and containers
Our fleet includes flat-deck, multi-purpose, and specialized commodity barges configured for coastwise and harbor service.
Line Handling & Launch Services
From barge transport to construction support, Foss provides full-service towing for:
Puget Sound
El Segundo
Columbia River
Construction Support
Foss provides marine logistics for major bridge and infrastructure projects across North America. We offer:
- Custom fleets of tugs, cranes, and barges
- Expert marine engineering and project management
- Support for dredging, lighterage, wire running, and anchoring
Offshore Terminal Services
We provide turnkey support for refinery terminals in El Segundo and Richmond, including:
- Line, launch, and assist vessel operations
- Shore-side staffing and logistics
- Rigging and supply chain integration
- Fender maintenance and lighterage
Petroleum Transport & Lighterage
Foss plays a vital role in petroleum transport with ship assist, escort, and lightering services at ports and offshore terminals. Our operations exceed environmental and safety standards, with support from our shipyard, engineering, and logistics teams.
Barge Mooring
Foss operates a terminal and the West Hylebos Moorings in Tacoma for long-term storage of petroleum-free barges and small vessels. Contact our customer service team for availability and rates.