Build tugboats for harbour, escort and related duties.

Use tugboats and crews to assist vessel movements.

Arrange vessel movements and procure towage services.

Own vessels that need towage and technical support.

Manage ports and buy or license towage and pilotage.

Builds tugboats and offers support after delivery.

Builds tugboats with several propulsion options.

Svitzer provides towage and related services for ships calling at ports and terminals. Its official description distinguishes the vessels and terminal work it supports.

Boluda Towage Europe provides port towage and describes work in ports including Rotterdam, Zeebrugge, Hamburg and Liverpool. Its page also describes a Rotterdam service that transfers stores, parts and people between port and anchorage.

KOTUG provides harbour, terminal and offshore towage, alongside chartering, training and consultancy. Check the local operation for the services available at a particular port.

Crowley provides marine transport, towing and related logistics services. Its company description covers several businesses and a mix of vessels it owns, operates or manages.

Foss Maritime provides harbour services, towing and marine transport within Saltchuk Marine. Its Seattle shipyard closed permanently on October 30, 2021; that closure did not end its other businesses.

Seaspan ULC operates tug and barge services on Canada’s West Coast. Its May 2026 accessibility plan identifies related shipyard companies that provide repair and refit work.

Moran Towing describes ship assistance, marine towing and work for bulk cargo and LNG terminals. Its site supports a towage-service role and links readers to its operations.

The Port of Rotterdam Authority operates and develops the port and industrial area and supports safe vessel movements. Its public site links port information, harbourmaster services, permits and shipping notices.

The Port of Los Angeles is a City of Los Angeles department that operates as a landlord port. Its official About page defines its Harbor District and describes terminal leases and shipping services.

The Maritime and Port Authority of Singapore is Singapore’s maritime and port regulator and planner. Its official description covers port operations, safety, environmental protection and work with industry and research bodies.

The Antwerp-Bruges Port Authority operates the ports of Antwerp and Zeebrugge. Its About page describes land concessions, shipping guidance, nautical services and port rules.

SAAM Towage provides harbour and terminal towage, escort work, offshore support and other marine services. Its public service descriptions support the operator role.

Ocean Group provides harbour towing, marine transport, salvage and vessel repair. Its official site names these services separately from shipbuilding and describes work in Canada and the Caribbean.

Boskalis provides towage through Smit Lamnalco, as described in its August 2026 results. Smit Lamnalco sold its Australian and Papua New Guinean operations on September 30, 2025; those operations are outside the group’s current coverage.

Builders produce tugboats for owners.

Towage operators assist vessel movements.

Builders offer tugs using battery-electric propulsion.

Tug designs use steerable propulsion.

Towage operations consume marine fuels.

Class rules constrain vessel design and construction within the chosen class.

Builder enquiries connect tug vessels with potential owners.

Local contacts route vessel assistance requests.

Vessel movement assistance delivered by tug operators.

Vessels built for ship handling and towing duties.

Steerable propulsion units used for tug manoeuvring.

Battery power used to propel tugboats.

Fuels used in tug operations, including options described by operators.

Rules applied within the chosen vessel class and assessment scope.

Builders take vessel enquiries and discuss specifications.

Operators publish local commercial and operating contacts.

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