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.

Grieg Logistics AS is a distinguished Norwegian logistics company specialising in ship services and industrial terminal operations for the shipping, energy, and general industries. Founded in 1969 by the Grieg Group, Grieg Logistics is headquartered in Bergen, Norway, and employs about 100 competent people.

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.

H. P. Holmeset AS is a shipping company that operates line fishing with the modern autoline boat - Geir. Line hauling takes place through a moonpool/dragon well where the people work protected from the weather and wind.

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.

Built on strong heritage and vast experience, Havfram is a pioneer in installation and early phase development of offshore wind farms.

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.

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.

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.

Intership is one of the few globally operating wellboat companies, with a modern and young fleet. They have the opportunity to ensure this through their advanced vessels that utilise innovations and modern systems to offer the transport of live fish in a safe, environmentally friendly, and sustainable way.

With a fleet of highly advanced offshore service vessels, Island Offshore is a provider of high quality solutions to the offshore oil industry. The main objective of Island Offshore is Safe and Sustainable operations.

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.

jbj Techniques Limited offers a high level of in-house expertise plus a huge selection of products to meet a wide range of customer applications. From specification, through technical advice and manufacture to after-sales support, jbj Techniques provides a comprehensive and valued service to the mechanical power transmission and hydraulics industries. The company fields a UK-wide team of technical sales engineers to ensure business continuity.

Jemar Norpower AS have been a trusted supplier of Workboats to harbours, oil and gas offshore industry for more than 50 years. Having a maritime connection back to 1917, Jemar Norpower AS has an enormous and complex knowledge about boat production.

Jumbo is a heavy lift shipping and offshore transportation & installation contractor. Jumbo has been developing pioneering solutions for ocean transportation for more than 50 years. Since 2003, building on their heavy lift capability, Jumbo rapidly established a sound track record in the offshore subsea installation market.

Kanfer Shipping AS (Kanfer) is an innovative Norway-based developer of small-scale LNG sea transport and bunkering vessels, maritime LNG break-bulk and storage solutions. Unique designs drive down the cost of infrastructure and lower emissions from operations, providing a compelling alternative to traditional, capital-intensive onshore LNG facilities.

Karmøy Winch AS is a company designing and fabricating complete deck equipment solutions for tugs, anchor-handling - supply vessels, offshore construction vessels, reseach vessels, fishing vessels and oilrigs. The equipment is delivered under the product name KARM. Typical products are winches, Karm Fork, towing pins, fish pumps, deck cranes. They are a manufacturer of deck-machinery for fishing, towing and anchor-handling vessels.

Kelvion is the leading global developer and manufacturer of heat exchange solutions. Their extensive portfolio serves a wide range of applications such as data centres, blockchain technology, hydrogen production, heat pumps, marine, HVAC, refrigeration, and the food and beverage industry.

Klein Marine Systems, Inc. is the supplier of side scan sonar equipment and waterside security and surveillance systems in the USA. Klein’s side scan sonar systems are deployed by governments, navies, port authorities, surveyors, oil companies and universities worldwide. Klein manufactures and supports HarborGuard integrated waterside security and surveillance system which combines radar, infrared and daytime video surveillance technology.