Irish Continental Group plc is the leading Irish-based maritime transport group. They carry passengers and cars, Roll on Roll off (RoRo) freight and Container Lift on Lift off (LoLo) freight, on routes between Ireland, Britain and Continental Europe. They also operate container terminals in the ports of Dublin and Belfast. The Group also carries out ship chartering activities.

Irish Ferries is an Irish ferry and transport company that operates passenger and freight services on routes between Ireland, Britain and Continental Europe, including Dublin Port–Holyhead; Rosslare Europort to Pembroke as well as Dublin Port-Cherbourg in France.

The Isalos.net initiative has as its main purpose the connection of the maritime community with the new generation while at the same time it is a knowledge platform for the developments and experiences from the maritime industry and maritime daily life.

Izumi Steel Works Ltd. was founded in 1961. The Company's line of business includes the manufacturing of steel castings including alloy, bushings, and rolling mill rolls.

James Fisher is a global provider of specialist services to the marine, oil & gas, and other high assurance industries worldwide. They offer innovative marine solutions and specialised engineering services, along with comprehensive products, services and support to the oil and gas, marine renewables, shipping and defence industries.

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.

Japan CCS Co., Ltd (JCCS) was founded in May 2008 when a group of major companies with expertise in CCS-related fields, including electric power, petroleum, oil development, and plant engineering, joined forces to answer the Japanese government’s call for development of CCS technology as a countermeasure against global warming. JCCS is a unique company in the world to be founded and dedicated explicitly to developing integrated CCS technology.

Japan Engine Corporation is involved in the development, design, manufacturing, maintenance, repair, sale and licensing of engines and other components. From development to after-sales service, they are the only company in the world that has an integrated system of the UE engine, which is one of the world's three largest brands of low-speed marine engines.

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.

JERA is the largest power generation company in Japan, producing about 30% of Japan's electricity.

JET-TECH (Jet-Tech Propulsion, LLC) is a volunteer network of local Information Technology (IT) professionals providing services to help people navigate the IT profession. They are experienced professionals who offer guidance to those considering entering the field, those with any amount of experience, and those looking to transition their careers.

Jotron and its subsidiaries offer customer services and support. Jotron UK and Jotron Asia both have Shore Based Maintenance (SBM) capabilities. Jotron also has authorized and dedicated partners and service providers strategically located around the world. Below, is an overview of the GMDSS and AIS distributors and partners.

Jotron and its subsidiaries offer customer services and support. Jotron UK and Jotron Asia both have Shore Based Maintenance (SBM) capabilities. Jotron also has authorized and dedicated partners and service providers strategically located around the world. Below, is an overview of the GMDSS and AIS distributors and partners.

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.

Kaiko Systems is an operational intelligence company that leverages manual operations to generate real-time insights for shipping companies to prevent incidents, increase operational efficiency, and reduce maintenance costs. With Kaiko Systems, crews are able to save 50% of the time on deck operations.

Founded in 1989, Kalgin Global Logistics has grown from a team of two with a small office on Sydney’s North Shore, to a passionate team of more than 40 professionals with offices in global locations, including Auckland, Brisbane, Melbourne, Sydney, Suva & Lautoka.

Kargosurge is a renowned logistics company with a strong focus on providing top-notch services to its clients. With years of experience in the industry, they have developed a deep understanding of the complexities involved in international shipping and logistics. Kargosurge offers a wide range of services that cater to the diverse needs of businesses across various industries.

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.

Karstensen Kuldeteknikk AS are a global supplier of industrial freezing systems. Their extensive experience enables them to deliver different products to different industries. Fish processing, bakery, dairy and other are examples of this.

Together with about 100 group companies in Japan and overseas, Kawasaki Heavy Industries oversees the formation of a 'technology corporate group'.​ Their technological capabilities, polished over a history that exceeds a century, send diverse products forth into wide-ranging fields that go beyond land, sea, and air, extending from the ocean depths to space.

Kleven Group is the parent company for Kleven shipyard and Myklebust shipyard, and is one of the largest companies in Ulsteinvik besides Rolls-Royce Marine and Ulstein Group. Kleven Group had about 450 employees in 2011. The Kleven Group operates businesses within construction, repair and remodeling of vessels in Ulsteinvik, at Gursken and at rented facilities on Rovde.

Kongsberg Maritime is a world leader in marine technology. With an extensive portfolio of innovative and integrated products and solutions, Kongsberg Maritime delivers efficiency, reliability, flexibility, and environmental sustainability to enhance the business of its customers.

KPI OceanConnect is one of the world’s largest and most experienced independent marine fuels service and solutions providers, established by the merger of KPI Bridge Oil and OceanConnect Marine. Their dedicated global team of 170 experienced professionals has delivered trusted expert advice and services to the international shipping community since 1971.

With headquarters in Austria, KRAL GmbH was founded in 1950 and has been an independent family enterprise ever since. KRAL develops and produces screw pumps and flow measurement technology. In addition, they offer customer-specific solutions for systems, from the initial engineering process through to commissioning.

In Rotterdam – Europe's most important container port – the Kramer Group offers both large and small customers the best imaginable service in virtually all aspects of container logistics.

KTE Co., Ltd, established in 1979, has localized electric & control system technology and contributed to developing Korean shipbuilding industry economy. KTE has provided main switchboards and all kinds of control devices for more than 2,500 ships since the establishment in 1979.

Kwant Controls BV is one of the manufacturers of ultra-modern and high-quality nautical instruments and systems. Kwant Controls provides technological innovation for nautical instruments and systems for navigation and propulsion of a wide variety of vessels.

Since 1945, La Marche has been providing reliable power conversion products. La Marche products include industrial battery chargers, rectifiers, power supplies, inverters and many more. They have built their reputation by controlling all aspects of the development process, including design, in-house manufacturing and testing.

Lambda Vision Technologies uses computer vision and deep learning to solve industry-specific, high-value problems. Achieve exceptional safety and efficiency in shipping with their advanced solution. Elevate crew vision, equip operational teams with vital insights, enable collision avoidance and ensure anti-piracy commitment.

Founded in 1982, Lamor Corporation has established itself as a major market leader providing state-of-the-art oil spill response, waste management and water treatment solutions, services, and equipment. The Finnish corporation has expanded its global presence in strategic markets, partnering with trusted associates, and investing in a range of companies to expand its environmental solutions capability.