Gasum is a Nordic energy expert. They offer cleaner energy and energy market services for business and cleaner fuel solutions for road and maritime transport. They help the customers reduce their own carbon footprint as well as that of their customers.

Gebrüder Weiss ranks among Europe's transport and logistics companies. In addition to its core business of land transport, air & sea freight, and logistics, the company operates a number of highly specialised industry solutions and subsidiaries under the umbrella of Gebrüder Weiss Holding AG, based in Lauterach (Austria)

General Dynamics Electric Boat is a business unit of General Dynamics with headquarters in Groton, CT. The world’s first and finest submarine builder, Electric Boat was established in 1899 to complete the U.S. Navy’s first modern commissioned submarine, USS Holland. Designed and built by Electric Boat, USS Nautilus, the world’s first nuclear-powered submarine, was launched in 1954. Electric Boat has designed and delivered 17 of the U.S.

Global Ports Holding Plc (GPH) is the world's largest cruise port operator with an established presence in the Caribbean, Mediterranean, and Asia-Pacific regions. Established in 2004 as an independent cruise port operator, GPH holds a unique position in the cruise port landscape as the world’s leading cruise port brand. GPH operates 32 cruise ports in 19 countries, providing services for over 20 million cruise passengers annually.

GMD Shipyard is committed to meeting the demands of the customers while providing quality workmanship which supports and promotes prudent environmental and safety principles. With an exceptional team of skilled technicians and dedicated management, GMD Shipyard can serve all of the vessel needs from routine maintenance to conversions to emergency dry-dockings.

Graham Manufacturing designs and builds vacuum and heat transfer equipment for process industries worldwide. Their customers use Graham equipment to help produce synthetic fibers, chemicals, petroleum products, electric power, processed food, pharmaceutical products, paper, steel, fertilizers, and many other products that are used every day by people around the globe.

The Great Lakes Group is a full-service marine transportation organisation made up of a 'group' of diversified marine-related companies operating on the Great Lakes. The companies provide transportation, logistics, new construction, fabrication, repair, and line-handling services across the Great Lakes.

At GS Marine, all of the products they sell are certified products. They provide services in all ports and shipyards within Turkey and globally. Their main areas of activity include technical materials, ship supply, spare parts, spare parts maintenance and installation, provisions, publications, electrical materials, daily living products, etc. They are both supplier and manufacturer. They can supply by air, sea and land.

GTT is a pioneering engineering company in containment systems for the shipping and storage in cryogenic conditions of LNG (liquefied natural gas), GTT offers engineering, consultancy, training, maintenance support, and technical design services. Approved by pioneering classification societies, its technologies are underpinned by a substantial return of experience over many decades.

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.

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.

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.

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.

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.

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.

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.

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.

Hupac is Europe's pioneer intermodal network operator with a transport volume of around 1 million road consignments per year. For over fifty years, they have pioneered innovative and reliable rail transport services, thus making a key contribution to modal shift to rail and to environment protection.

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 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.

IMTRA, a 100% employee-owned company based in New Bedford, Massachusetts, is an importer and manufacturer of high-quality marine products, advanced LED solutions and integrated marine systems, as well as a key supplier to the OEM and aftermarket. With more than 70 years in the commercial, industrial and marine markets, IMTRA has sales and support teams in 12 regions throughout North America.

Infineum International Limited is a joint venture between ExxonMobil and Shell plc through each companies' chemical divisions. Its headquarters are located in Abingdon, England and it has operating centers throughout the United Kingdom, United States, Germany, France, Italy, China, Singapore.

The recognized leader in maritime satellite communication, Intellian is the trusted provider of worldwide connectivity solutions for VSAT and satellite TV systems, using state-of-the-art RF antenna technology. Expanding into the next phase of continuous connectivity, Intellian is empowering satellite communication around the globe to provide access at any time, anywhere, on land, in the air, and at sea.

Intermarine has been providing the most reliable liner services in the Americas for 30 years. The team has the industry knowledge and technical expertise to provide the best solutions for customers’ unique and changing transportation requirements.

International Registries, Inc. and its affiliates (IRI) provide administrative and technical support to the Republic of the Marshall Islands (RMI) Maritime and Corporate Registries. IRI has been administering maritime and corporate programs and has been involved in flag State administration since 1948.

James Marine, Inc. was founded by C. Ronald James in 1986. The family-owned company began with twenty-five employees and has a proud history of extraordinary service and growth to the inland waterways. With over 1,300 employees in the JMI family of companies, they have 12 locations across Kentucky and Louisiana. They proudly promote a diverse workforce with an inclusive culture that encourages creativity and a positive team environment.