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391 companies

Hamilton Jet Inc.(US)

Seattle,, WA, United StatesUpdated Jun 2006
Training

HamiltonJet Inc. is a leading provider of advanced waterjet propulsion systems and vessel autonomy solutions, serving sectors including search & rescue, fireboats, military patrol, fast ferries, pilot boats, wind farms, recreation, and fishing vessels.

Hawaii District Commercial Harbors

Hilo,, Hawaii, United StatesUpdated Jul 2003

Hawaii District Commercial Harbors manages and operates commercial harbor facilities in Hilo, Hawaii, providing port services and infrastructure support.

Hawaii Pilots Association

Honolulu, HI, United StatesUpdated May 2026

Hawaii Pilots Association (HPA) provides safe, reliable and efficient pilotage services for all commercial ports throughout the Hawaiian Islands, including Hilo, Kawaihae, Kahului, Honolulu, and Kalaeloa (Barbers Point) harbors.

Holyhead Marine Services Ltd

United KingdomUpdated May 2004

Holyhead Marine Services has one of the best equipped and most up to date yards of its size in the country. The capacity to lift up to 100 tonnes and the ability to work on them in environmentally secure buildings added to a skilled and permanent workforce offers an unrivalled service to our customers. The company design, constructs and fits out a wide range of commercial vessels in steel, aluminium and GRP including pilot boats, patrol boats, workboats and tugs. The company also undertakes refit and repairs on commercial craft such as lifeboats, patrol boats, tugs, and pilot boats in the yard in steel, aluminium, GRP and timber. Services to the offshore industry include testing, maintenance and repair of flexible floating hoses and associated equipment for the transfer of oil. Hoses of up to 24" bore with an overall assembled length of 350m can be handled. Facilities are available for testing in accordance with OCIMF rules. The companies Quality Management System has been approved by Lloyds Register Quality Assurance to BS EN ISO 9001:1994

Hong Kong Pilots Association Ltd

Hong Kong, ChinaUpdated May 2026

Hong Kong Pilots Association Ltd is a pilot organisation established in 1965, responsible for providing safe and efficient pilotage services to the shipping industry in the Hong Kong Special Administrative Region.

Honolulu Electronics

Honolulu, HI, United StatesUpdated Nov 1998

Honolulu Electronics is a Hawaii-based marine electronics dealer providing sales, installation, and repair of vessel navigation and communication equipment.

Honor Marine Communications Inc.

San Diego, CA, United StatesUpdated Sep 2001

Honor Marine Communications, Inc. provides marine electronics sales, service, and custom installation for commercial, military, and pleasure vessels, specializing in communications, navigation, safety, security, and premium audio/video systems.

Houston Pilots

Houston, TX, United StatesUpdated May 2026

Houston Pilots are expert ship handlers commissioned by the State of Texas who maneuver vessels safely and efficiently through the narrow and congested Houston Ship Channel, operating 24/7 year-round.

Hudson River Pilots Association

Yonkers, NY, United StatesUpdated May 2026

The Hudson River Pilots Association, established in 1958, provides federally and state licensed pilotage services for vessels navigating the Hudson River from Yonkers, NY to the Federal Lock in Troy, NY, including ports such as Newburgh, Poughkeepsie, and Albany.

Huisman-Itrec

Amsterdam,, NetherlandsUpdated Nov 2007

Huisman-Itrec specializes in tailor-made design and production of heavy lifting, transport, and offshore equipment.

Humber Estuary Services

Northern Gateway, Hull,, United KingdomUpdated Mar 2006

Humber Estuary Services manages over 145 square miles of the Humber Estuary, overseeing pilotage, navigation aids, and maritime safety for one of the UK's busiest estuaries with over 34,000 ship movements annually.