Pioneering P2X solutions customised for previously inaccessible green energy resources. By enabling power producers to generate hydrogen and ammonia from land-locked green power, H2Carrier is helping the world access transportable green fuels. Their proprietary solutions, technology partnerships, and unique access to green energy projects and off-takers enable them to develop the world’s first off-grid green hydrogen and ammonia projects.

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.

Haistar Marine Ltd is a China-based marine services provider headquartered in Suzhou (est. 2020), offering OEM and aftermarket spare parts, onboard repairs, logistics, and 24/7 global support. They cover equipment like hatch covers, valves, compressors, and engine components via strict quality control and fast delivery systems.

Hamworthy Pumps is a market-leading manufacturer of in-line pumps for the marine and offshore industries. They operate within the areas of engine room pumps, pump room systems, fire water pump packages, scrubber pumps, as well as sales and after-sales services.

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.

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.

HavocAI is revolutionising maritime autonomy. Founded in 2024, HavocAI is bringing scalable maritime autonomy solutions and their ultra-low-cost, high-rate production Autonomous Surface Vessels (ASVs) to the defense and commercial markets at the speed of relevance.

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.

Heft Engineers Pvt. Ltd., based in Mumbai, specializes in manufacturing heat exchangers, finned tubes, and oil coolers for industrial applications. Established in 1994, they serve global clients across sectors like petrochemical, power, and pharma with ISO-certified, custom-engineered solutions.

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.

Helios Marine is redefining marine technology with cutting-edge electric and digital systems, powered by their custom-built software. They deliver unmatched performance and efficiency, while keeping the environment clean and quiet.

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.

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.

HEXONIC is a Poland-based manufacturer of brazed, gasketed, and shell-and-tube heat exchangers for marine, HVAC, and industrial sectors. Founded in 1988, they operate globally with ASME and ISO certifications, offering innovative, high-efficiency thermal solutions.

HEXTREND Kft. is a Hungary-based manufacturer and distributor of brazed, gasketed, and shell-type heat exchangers for industrial and marine use. Founded in 2021, they offer rapid delivery, custom-built solutions, and technical support across Europe and beyond.

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.

Hi-Sea supplies a wide range of certified products for shipbuilding, oil & gas, power generation, metallurgy, mining, and other industries. Their offerings include marine equipment (shafting, rudders, thrusters, etc.), industrial hardware, petrochemical systems, and renewable energy components. They also undertake custom manufacturing and engineering projects.

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.

Hidea Power (Hangzhou Hidea) manufactures a full range of outboard engines—2‑stroke, 4‑stroke, EFI, LPG, jet-drive, commercial—produced in a high-tech plant with a 100,000-unit annual capacity and sold worldwide under ISO9001, CE, EPA certifications.

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.

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.

HullWiper provides cost-effective, efficient and environmentally-compliant hull cleaning services for vessels of all shapes and sizes. The unmanned underwater hull cleaning technology produces a fouling-free hull, which significantly reduces fuel consumption and enhances long-term operating efficiency, whilst eliminating the necessity for expensive downtime.

Hurst Boiler & Welding Company, Inc. has been designing, engineering and servicing a complete line of solid fuel, solid waste, biomass, gas, coal and oil-fired steam and hot water boilers since 1967, for thousands of satisfied customers. Hurst also manufactures a complete line of boiler room peripherals such as blowdown separator surge tanks, and pressurized feedwater tanks.

Hydro Tech Inc. provides hydroelectric generator/turbine mechanical rehabilitation services and bearing expertise to meet the toughest maintenance and repair challenges that their customers face. As a reliable and innovative provider of engineering and contract services to the hydroelectric industry, they work side-by-side in the field with engineers, technicians, and trades people to provide unit upgrades, overhauls, testing and inspections,

Hyphen (Hyphen Hydrogen Energy) is a Namibian registered green hydrogen development company, specifically formed to develop green hydrogen projects in Namibia for international, regional and domestic supply.

Hyundai Electric manufactures ship switchboards that safely supply power to onboard electric equipment and protect systems in the case of electrical accidents. For the past 40 years, they have supplied products to Hyundai Heavy Industries, a Hyundai Group company, as well as Samsung Heavy Industries, Daewoo Shipbuilding & Marine Engineering, and various other shipyards.

Hyundai Merchant Marine Co., Ltd. or HMM operates as an integrated shipping and logistics company. HMM provides cargo transportation services including containers and bulk cargo carriers. The company transports materials such as crude oil, LNG, iron ore/coal and diverse special products as well as import/export goods.

Hyundai Samho Heavy Industries (HSHI) is a South Korea-based shipbuilding company that manufactures the world's best ships featuring state-of-the-art equipment and technology.

IMASCO Srl – Marine Surveyors since 1942 is a company that has been operating in the Naval and Transport sector for four generations, since 1942. Their work focuses on Inspection, Survey and Control activities specifically on Ships, Yachts and Transported Goods ( by sea, land and air ) carried out by highly qualified and certified personnel.