Güngen Maritime & Trading A/Ş is a Turkey-based maritime services company that owns and operates high-spec SUEZMAX type crude-oil tankers, including all aspects from Design to Crewing, Technical and Commercial issues are managed in-house. Besides the latter, the company still charters-in a varying number of vessels in service of its trading arm.

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 Hainan Maritime Safety Administration is a government agency which administers all matters related to maritime and shipping safety, including the supervision of maritime traffic safety and security, prevention of pollution from ships, inspection of ships and offshore facilities, navigational safety measures (including Search and Rescue, Aids to Navigation and the GMDSS).

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.

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.

Hansen Protection AS is a Norwegian high-tech company with a broad range of markets. Their main business is based on the design and manufacture of products using coated and uncoated fabrics. Their main area of ​​activity is the manufacture and supply of immersion suits for the offshore and maritime sectors. They produced their first immersion suits in 1976, in connection with the start of oil activities in the North Sea.

Hanshin Electronics Co., Ltd. has successfully been providing marine inter Communication equipment and technical services to large number of world's famous customers since its foundation in 1988.

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 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.

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.

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.

Hefring Marine is an Icelandic data-driven marine deep-tech company leveraging Machine Learning and Internet of Things (IoT). They offer hardware-enabled Software-as-a-Service (SaaS) solution that provides vessel operators and control systems with decision-making support and monitoring insights for improved safety, fuel efficiency and maintenance planning.

Helkama is a specialist in Marine and Offshore Cables and related supplies. The superior technical advantage has been achieved by continuous development together with all our stakeholders. This relates to faster installation times and an extensive lifetime for the cable even in harsh Marine conditions.

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.

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.

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.

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.

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.

Horizon Offshore Services (HOS) is an alliance group of companies that provides comprehensive shipbroking services to its global clients base, focused on the offshore oil & gas upstream/ midstream/ downstream markets. The Horizon Group is committed to providing safe and sustainable solutions to the offshore O&G industry. Their expertise in offshore ship brokering and technical project management delivers valuable operation.

Horner Agencies Ltd are one of Irelands leading overseas freight companies, offering the following specialised transport services: LCL (Less than Container Loads) – Groupage Sea-freight, FCL (Full Container Loads) and General Freight Forwarding. They are leaders in LCL Sea-Freight services, working closely with partners – Vanguard Logistics Services, Freight Links Express Pte Ltd & American Cargo Express.

Hostmost Group is the service provider for Marine Radio Communications and Navigation systems. Since its inception in Hong Kong in 1989, they've expanded globally while upholding their core values of Safety, Integrity, Passion, and Quality to better serve their international clients.

HSN-KIKAI KOGYO Co., Ltd. develops and manufactures marine environmental products. It is one of leading manufacturers of marine pumps, Oil Water Separators and Oil Discharge Monitoring Systems for tankers.

Huanghai Shipbuilding always adheres to independent innovation as the driving force and adheres to the path of combining research and development innovation with the construction of high-quality projects. The construction, delivery and operation of the "Bohai Jinzhu" large ro/ro passenger ship has become a large-scale ro/ro passenger ship with independent intellectual property rights of over 150 meters in China,

Hudong-Zhonghua Shipbuilding (Group) Co., Ltd. is one of the major shipbuilding enterprises under the flag of China State Shipbuilding Corporation (CSSC). Hudong-Zhonghua has profound expertise in the R&D, engineering and construction of ships ranging from naval ships, large LNG ships, large/ultra-large container ships, offshore engineering products to special purpose ships.