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.

The Hadley Shipping Group Ltd operates as one of the few remaining family-controlled British shipping companies. The Company has navigated through often volatile and unpredictable markets with a legacy of prudent and responsible investment to prove credible growth and continued expansion.

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 Marine Ltd is one of the UK’s suppliers of Marine Electronics to the leisure boat owner. They are a major Garmin supplier (FishFinders, ChartPlotters & Transducers etc) and the largest independent importer of Banten antennas (Marine VHF and Boat TV aerials).

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.

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.

HAV Design AS is at the forefront when it comes to leading the shipping industry through the green shift, and all HAV designs accommodate zero-emission solutions and are equipped to meet the environmental requirements of the future. Their expertise, as well as focus on efficiency, safety, and sustainability, lays the foundation for delivering high-quality innovative solutions to customers in the seafood, energy, and and transport sectors.

HAV Shipping AS is a Norwegian limited holding company focusing on Short Sea shipping. HAV Ship Management NoRus AS is established to deliver ship/crew management and support services to the HAV Group and its business partners. HAV Ship Management NorRus' main focus is the sea–river segment. These vessels require efficient and well-organised maintenance due to North Sea voyage conditions, frequent port calls and diversity of bulk/project cargoes.

Havenstar marina management software is ideal for a whole range of marinas, from small harbors to businesses that manage a whole range of tasks in marinas across several different locations.

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.

Havila Kystruten is a Norwegian-owned company based in Fosnavåg outside Ålesund, in Norway. From 2021, they will operate 4 ships along the Norwegian coast on the Bergen-Kirkenes route. With large battery packs and natural gas as fuel, these ships will be the most environmentally friendly on the coastal route.

Hawthorne Cat is the authorised dealer for Cat construction and power equipment in San Diego, Hawaii, Guam, Saipan and American Samoa. Hawthorne sells, rents, provides parts and service, training and emission solutions to various industries including general building construction, landscaping, marine, paving and power generation.

Hays Ships owns and operates a small fleet of survey, research, and patrol vessels for a wide variety of clients. With over forty five years of history as a specialist vessel provider, the company has unique experience to offer clients which augments the capabilities of the vessels. Hays Ships vessels are highly targeted to meet client requirements but are typically in the 50 to 100m range with Dynamic Positioning (DP) systems.

HD Hyundai Marine Solution specialises in supplying genuine engine parts and providing technical support through a service agreement with Hyundai Heavy Industries. They are the licensor of the HYUNDAI HiMSEN engine and the only genuine provider. From four major warehouses located in Busan (South Korea), Rotterdam (Netherlands), Houston (US) and Singapore (Singapore), they can offer items directly to convenient ports with competitive prices.

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.

Heinen & Hopman Engineering was founded in 1965 as a family business by Melis Heinen and Cees Hopman. Heinen & Hopman Engineering provide world-class quality and service in air conditioning, ventilation, central heating, refrigeration and mechanical ventilation, and have supplied over 10,000 vessels worldwide. Whatever the environment in which the vessels we supply will be sailing, our knowledge and expertise ensures the most suitable indoor.

Hellenika LLC. is a Black Sea company specializing in dry docking services, ship repair, and maintenance. With 25 years of experience, they offer onboard ship repair services worldwide, handled by skilled teams of mechanics, welders, electricians, and more. Their comprehensive services include mechanical repairs, steelwork, welding, piping, electrical work, cleaning, painting, and ballast water treatment system installation.

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.

HEC provides marine consulting and software development services to shipowners, operators, charterers, shipyards, and government agencies. The primary area of expertise is in the conceptual, preliminary, and contract design of commercial vessels. HEC has extensive experience in new buildings and conversions of containerships, break-bulk carriers, ro-ro’s, and tankers.

Hermann Lohmann Bereederungen (HLB) has been acting as a ship management company for seagoing vessels since 1998. Going back to the roots of a long family tradition, HLB successfully combines tradition and modern practices to manage seagoing vessels worldwide.

At Herning Industri Lager A/S, their primary goal is to be the local partner and preferred supplier of industrial products. They want to build a close collaboration with their customers and know their business and needs, so that together they can make the right decisions and find the best solutions. They stock a wide range of strong brands, including; Milwaukee, Metabo, Bato, KEMA, Bahco, Knipex, Raaco, Scangrip, Wera, TEC7, etc.

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.

HFW is a global law firm in the aerospace, commodities, construction, energy, insurance, and shipping sectors.

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.

Hi-Sea Marine is located in the largest industrial city – Chongqing, China. They are the earliest professional manufacturer and exporter of marine equipment and offshore Equipment in China since 1996.

HiDef carry out and present data from aerial wildlife surveys to ensure sustainable developments, such as wind farms, consider the natural environment, both on land and at sea, providing full environmental consultancy to companies throughout their project.

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.