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332 companies

Harbormaster Marine, Inc.

Livonia,, MI, United StatesUpdated Apr 2005

Harbormaster Marine, Inc. is a US manufacturer of heavy-duty outboard drive marine propulsion systems and tunnel (bow) thrusters, known for durable, high-quality marine parts and worldwide service support.

Hardy Boat Cruises

New Harbor,, Maine, United StatesUpdated May 2026

Hardy Boat Cruises is a small eco-tourism business offering ferry services and wildlife cruises between New Harbor and Monhegan Island, focusing on sustainability, conservation, and education.

Hellenic Seaways

Piraeus,, GreeceUpdated May 2026

Hellenic Seaways is a Greek ferry company operating passenger and vehicle ferry services primarily in the Aegean Sea, offering online booking, mobile app services, and a loyalty program.

Helseth AS

Hjelset,, NorwayUpdated Apr 2011

Helseth AS is a specialized propeller manufacturer in Norway, producing durable propulsion systems for various professional vessels including cargo, passenger, ferry, tanker, work, high-speed, fishing, and offshore vessels.

Helsingborgs Hamn AB

Helsingborg, Sweden, SwedenUpdated May 2026

Helsingborgs Hamn AB is a major ferry and container port in the Öresund region, offering secure, efficient, and sustainable terminal services with reliable cargo flows and well-connected rail and road infrastructure.

High Speed Ferry BV

NetherlandsUpdated Jun 2000

High Speed Ferry BV is a Dutch company specializing in the design, construction, and operation of high-speed passenger ferries.

Hong Kong Shipyard Ltd

Hong KongUpdated Jun 2000

Hong Kong Shipyard Ltd is part of Hong Kong Ferry (Holdings) Company Limited, providing ship repair and maintenance services along with ferry and related maritime operations.

Hoverspeed Ltd

Dover, Kent, United KingdomUpdated May 2003

Hoverspeed operates a fleet of SeaCats on the Dover calais and Newhaven Dieppe routes on the English channel. A vessels are high speed passenger vehicle vessels operating in excess of 35 knots

Humphree AB

Gothenburg, SWEDEN, United StatesUpdated Sep 2017

The Humphree interceptor system is the modern high performance replacement for any other trim system. It provides features no other system can match in terms of ACTIVE stabilisation, performance and reliability over time. Designed and manufactured for 24/7 operation, it is a safe choice for any application, whether it’s a leisure boat, high speed ferry or naval patrol vessel.

I.M.S Intermarine Shipping SRL

Ravenna,, ItalyUpdated Apr 2004
Port AgentFreight/RFQ

Intermarine Shipping SRL is a maritime agency operating in the port of Ravenna since 1981, providing line services for Grimaldi Group and offering maritime recommendation, logistics, customs, and port services.

IBJ Associates

Shelter Island Heights, New York, United StatesUpdated Jun 2003

IBJ Associates is a management consulting firm that specializes in ferry systems, as well as other domestic passenger vessel services both in the U.S. and abroad. IBJA's experts have experience and skills appropriate for all facets of private and publicly owned passenger vessel enterprises.

Iguana Seacraft Ltd

Southampton, Hampshire, United KingdomUpdated May 2002

Naval Architecture Services specializing in Vessel Design, FE Structural Engineering, CFD Analysis, CAD Bureau, Consultancy and Surveys. Catering for commercial and military vessels and oceangoing yachts.

Injury At Sea

Seattle,, WA, United StatesUpdated May 2026

Injury At Sea is a maritime law firm based in Seattle, WA, providing legal representation for injured fishermen, mariners, and other maritime workers in the Pacific Northwest with over 46 years of experience.