GY Marine Services LLC operates a modern fleet of highly versatile self-propelled lift boats, across international markets. Their vessels provide a stable platform for delivering a wide range of safe and efficient services, primarily in the offshore oil, gas and renewable energy sectors.

Halliburton collaborate and engineer solutions to maximize asset value for customers. Founded in 1919, Halliburton is one of the world's largest providers of products and services to the energy industry. With more than 45,000 employees, representing 130 nationalities in more than 80 countries, the company helps its customers maximize value throughout the lifecycle of the reservoir, such as locating hydrocarbons and managing geological data, etc.

Hamble Propellers & Engineering Services Manufacture the best Quality propellers and stern gear using the latest design and casting techniques. Hamble Propellers & Engineering Services use only virgin metal stock to ISO & BS1400 Standards. Propeller Shafts are manufactured in a High Quality Marine Grade 316 Stainless Steel.

Hamilton Shipping (Holdings) Limited provides a complete range of ship agency services and freight solutions from five hub offices in Belfast, Derry, Dublin, Cork and Shannon.

Selling Marine Supplies and Accessories Since 1985 Harbour Chandler is a locally owned and operated business that has had its doors open to the public since 1985. What has made us so successful over the years is our well-stocked shelves, our fair prices and our efforts to find whatever it is that our customers are looking for.

Harbour Clean offers a range of innovative solutions for the provision of shallow water services in all marine environments. tilising a unique fleet of vessels - including amphibious Truxor-type craft, survey vessels, landing craft and utility barges - Harbour Clean ensures total environmental control and management in areas normally considered to be inaccessible to conventional craft.

Harland & Wolff Established in 1861, Harland & Wolff has 159 years of maritime experience. The experienced Harland & Wolff team is ideally positioned to support the full lifecycle needs of the maritime and offshore industries.

Harold Hayles Limited, .the boat yard situated in the harbour, offers full facilities for all marine services, with all the traditional skills available from our own employees. Run for over 70 years as family businesses on the site of the Sandhouse, we offer the personal friendly welcome of a traditional boat yard.

Harris Interactive is a full-service, digital consultative custom market research agency that combines sector expertise with award-winning research design. We work internationally out of offices in the UK, France, and Germany.

Harwich has attracted trade from across the world. With its deep natural estuary it continues to contribute to the UK’s economic growth. Harwich also ensure the safety of everyone using the harbour. Harwich Pilotage, Vessel Traffic Services and supporting marine services work to keep the Haven flowing night and day.

HAVI is a global, privately owned company focused on innovating, optimising and managing the supply chains of leading brands. They reimagine the connections between people and products to create a better future. At HAVI, they work behind the scenes to connect people with ideas, data with insights, supply with demand, restaurants with deliveries and ultimately, people with products they love.

Heatexchangers Southwest was established in 1992 and moved to its present premises in 2006. Heat Exchangers (South West) Ltd. has extensive experience of the heat exchanger industry and its varied applications gained in the UK, US, Europe, Africa and the Middle East. Between them, they have re-tubed and remanufactured virtually every make and model of shell and tube apparatus ever used afloat or ashore.

Heeyas Ltd is a London based, but globally connected sourcing company that specialises in the Oil & Gas and Marine industry. A professional trading company that provides a personalised service to every client. mission is to sustainability source oil rigs and commercial ship equipment’s in an environmentally friendly manner. We achieve this by up-cycling equipment at competitive prices for our clients.

Helmsman Systems Limited is the leading UK designer, manufacturer and supplier of hydraulic steering systems, engine control packages and shaft brakes to an increasingly wide range of inland, coastal, sea going and amphibious craft. The management of Helmsman Systems Limited has been involved in the design and supply of systems to the marine industry for over 15 years, and with its key suppliers has over 50 years of experience.

HENSOLDT UK, formerly Kelvin Hughes Limited, is a globally renowned company in the development, manufacture and supply of maritime navigation and surveillance radar systems. They set the international standard in solid state radar sensor technology with our Kelvin Hughes SharpEye and market renowned navigation and tactical radar display systems.

HES International is one of Europe's largest independent bulk handling companies. They provide transshipment, storage, blending and processing services of dry bulk and liquid bulk products at 18 sites across 6 countries. HES companies hold a unique independent position in the supply chain of bulk goods for a wide range of products, providing customers tailored services and first class access to Europe's deepest draft terminals.

Heung-A Shipping operates the outbound cargo transportation business with passion and expertise in the shipping industry, only considering customer needs as the highest value. They are planning to develop into a leading eco-friendly shipping logistics company in the special ship sector both in name and reality by diversifying the types of operating ships, such as MR-type petroleum product carriers.

Founded in 1982, HGH Infrared Systems designs, develops, assembles, and sells optronic systems for industrial, civil, defense, and security applications. In 30 years of existence, HGH has established itself as an international reference in terms of innovation in infrared technology, through the development of multiple advanced sensors.

HGK Shipping GmbH, Europe’s largest inland shipping company has been operating under this name since the beginning of August 2020. As part of the HGK Group, they use modern concepts to combine the rail, waterway and road modes of transport into sustainable transport chains and are part of one of the leading players in intermodal freight transport. Today, more than 2,500 people work from Rotterdam to Basel under the umbrella of the HGK Group.

Hill Dickinson LLPare an international commercial law firm with offices in the UK, mainland Europe and Asia. Our people deliver advice and strategic guidance acting as a trusted adviser to businesses, organisations and individuals across the globe and from a wide range of market sectors, advising on non-contentious advisory and transactional work through to all forms of commercial litigation and arbitration.

Himalaya Shipping provides dry bulk shipping with lower emissions and highly competitive tonnage, maximising returns to investors. Being a leading dry bulk owner in the cape market, they offer significantly lower emissions and superior quality in their products to the customers.

HITEK-nology Solutions Limited (HSL) is an ISO 9001:2015 accredited Facilities Company, that services markets such as the defence (Tri-Service), aerospace, maritime, civil industrial and power markets with specialist application of corrosion control.

HJ Shipbuilding & Construction Company, Ltd. is a South Korean-based multinational shipbuilding company, founded in 1937 as Chosun Heavy Industries Co., Ltd. They manufacture container vessels, chemical tankers, oil tankers, bulk carriers, reefer vessels, and wood chip carriers.

Hodge Clemco has consistently been the leader in the manufacture and supply of abrasive blasting (sandblasting) equipment and surface treatment equipment. Hodge Clemco is part of a diverse engineering group, founded around the marine industry.

Honda Heavy Industries Co., Ltd. offer technical solutions for building of oceangoing and domestic vessels and ships. The company has a proud history in shipbuilding and provide a total service for clients, relating to ships and shipping.

Hook Marine Ltd is a Scottish company which is dedicated to safety in the marine industries. The company specialises in the provision of safety equipment for use when lifting or hauling at sea, and the Kranskan™ and SeaWise® products shown on this web site are specially designed to reduce the risks associated with working in a hostile and hazardous marine environment.

HST Marine are an established owner and operator of Offshore Vessels. Our UK based headquarters host an integral team with skills in shipping, vessel management and chartering. Providing solutions to industries throughout Europe, from the Oil & Gas to the construction and operation of offshore wind parks.

Humber Work Boats Ltd is a privately owned British Company with almost forty years experience of specialist Marine and dredging contracting. Based at North Killingholme the Company owns and operates from a purpose built three and a half acre facility on the banks of the River Humber.

Hydraflow specialise in the refurbishments and manufacture of stainless steel cylinders for marine applications. Specialising in large lock, sluice gates cylinders and deck A frame cylinders.

Hydroquest is on a mission to make the force from natural flows as a premium source of energy to the world, allowing territories to rely on a truly clean, renewable base energy available on earth. They believe that the world needs more clean energy sources that complete other existing technologies with a predictable and reliable power supply, and concrete benefits to the environment.