Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors. They provide a ‘total project solution’ from planning design and installation to operational maintenance and decommissioning.

Established in February 2019, iO3 PTE LTD. was established to adopt an innovative approach in the digital evolution for maritime customers today. They communicate and operate efficiently and safely in challenging maritime environments. Their digitalisation platform has been specifically designed to support enhanced integrated solutions, asset optimisation, and delivery of secured critical applications globally.

ION Commodities delivers data-driven energy and commodities trading and risk management solutions across the supply chain. The scalable ETRM and CTRM solutions equip clients with real-time risk analytics and reporting, minimise supply chain risks, automate critical business processes, and make faster, more informed decisions.

Ionic was established in 2009 with the aim of steadily building a vertically integrated tanker and dry cargo shipping group focused on the ownership and operation of a medium-sized fleet of high-quality, modern vessels in the tanker and dry cargo sector. The senior management of Ionic has a deep-knowledge of technical experts with a combined experience of over 200 years.

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.

ITN is an independent, Global Logistics Provider, a single source for all of their transportation and logistics requirements. They deliver fast, seamless solutions by building their business on five pillars – commitment, flexibility, trust, reliability, and passion, supported by their belief in taking the business personally.

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.

J. Lauritzen is a Danish maritime investment company established in 1884. As a member of the maritime industry for more than 135 years, the group strives to support the industry and the development of sustainable and responsible technologies. J. Lauritzen has more than a century-long history as an accountable and trustworthy business partner driven by entrepreneurship, adaptability, and resoluteness.

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.

JAS has grown from its regional roots into a global force in logistics covering all modes of transportation, including contract logistics and other sophisticated and digital-driven supply chain solutions.

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 Connectivity is supporting the safe and secure, sustainable, smart operational, global blue economy through delivering reliable, floating, offshore 5G communications and real time data.

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.

Johnson Stevens Ireland Limited was established in 1979 by William F. Patchell (then Managing Director), Derek W. Johnson and Tom Bax-Stevens. It quickly became a major player in the Irish Liner Agency trade and retains that position today after over forty years in business. The company’s continued success is founded on an absolute commitment to the highest levels of customer service.

JSAT MOBILE Communications Inc. was founded in 2008 as a joint venture between Stratos Global Corporation(now Inmarsat Solutions) and SKY Perfect JSAT Corporation. Their main mission is to serve the mobile satellite communications needs of Japanese business and government agencies.

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.

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.

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.

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.

KBR, Inc. delivers science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 29,000 people worldwide with customers in more than 80 countries and operations in 40 countries.

Kenon Holdings Ltd. is a holding company that operates dynamic, primarily growth-oriented, businesses. The holdings are at various stages of development, ranging from established, cash generating businesses to early stage companies. Their primary business is OPC Energy, a power generation company, in which they have approx. 58% equity interest. They also hold a 28% stake in ZIM, a global container shipping company.

Kestrel's Owner and Chairman, Andy Thorne, started Kestrel with Mark Pattison in 1994. Utilising their backgrounds and extensive experience gained at Quadrant Shipping and the CP Group, along with their global industry network, they launched as Liner Agents for Ecuadorian Line representing their service between Europe and South America.