INPEX Corporation are engaged in the energy supply business on a global scale. Their operations include acquisition of license blocks for oil and gas fields, exploration, production and the sale of processed products.

Institute of International Container Lessors (IICL) is the trade association of the marine container leasing and chassis provider industry. IICL container leasing member companies engage in leasing marine cargo containers to ship operators and others on a broad international basis. IICL intermodal chassis provider members are in the business of owning and leasing chassis to motor carriers, ship operators, and cargo owners.

Created in January 2020, Intent Communications is a boutique content agency that specialises in advising clients on cohesive messaging to maximise engagement with target audiences across multiple mediums. Their multi-faceted service joins the dots between an organisation's various communication channels, including sales, marketing and public interactions, to identify thought-leadership opportunities that will showcase our client’s strengths.

Interasia was founded in Tokyo, Japan in 1967. The company has since been focused on providing a dependable network of ocean container shipping services throughout Asia. Interasia was at the forefront of the shipping industry's move towards containerization in the late 1960s and the company is proud to be one of the longest-operating container shipping carriers in the region.

InterManager was initially founded under the name ISMA (International Ship Managers’ Association) in 1991, with the first steps in the creation of what is now known as InterManager beginning back in 1988 when five leading ship management companies – Barber International, Columbia Shipmanagement, Denholm Ship Management, Hanseatic Shipping Company, and Wescol International Marine – met to discuss the possibility of improving standards within the s

International Association of Dry Cargo Shipowners (INTERCARGO) represents the interests of quality dry cargo shipowners. INTERCARGO provides the forum where dry bulk shipowners, managers and operators are informed about, discuss and share concerns on key topics and regulatory challenges, especially in relation to safety, the environment and operational excellence.

International Association of Oil & Gas Producers (IOGP) are the global voice of their industry, pioneering excellence in safe, efficient, and sustainable energy supply - an enabling partner for a low carbon future. Their members, integrated energy companies, national oil companies, independent upstream operators, service companies, and industry associations operate around the globe, supplying over 40% of the world’s oil and gas demand.

International Chamber of Shipping (ICS) is the principal international trade association for the shipping industry, representing shipowners and operators in all sectors and trades. ICS membership comprises national shipowners'​ associations in Asia, Europe and the Americas whose member shipping companies operate over 80% of the world's merchant tonnage.

International Seabed Authority (ISA) is an autonomous international organization established under the 1982 United Nations Convention on the Law of the Sea (UNCLOS) and the 1994 Agreement relating to the Implementation of Part XI of the United Nations Convention on the Law of the Sea (1994 Agreement).

The International Seafarers' Welfare and Assistance Network exists to improve the lives of seafarers and their families with services, resources, strategies and advocacy. ISWAN is a membership organisation with the International Chamber of Shipping, The International Transport Workers Federation and the International Christian Maritime Association as the core members.

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.

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.

Italian Propellers is a company that designs and manufactures propellers, rudders, propeller shafts, bushings and brackets, and has over 35 years of experience in the marine industry. The highly innovative products are designed and constructed by choosing the most suitable materials and advanced technologies.

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.

OUCO is a Chinese manufacturer of marine cranes with over forty years of industry experience. They specialize in producing various maritime equipment, including marine cranes, winches, grab buckets, container spreaders, davit, and port hoppers. Their company has a workforce of 200 employees and a technical team of 20 experts. They have a global presence and are well-known in the Middle East and Asia.

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.

Kangrim Heavy Industries Co., Ltd.'s line of business includes manufacturing fabricated plate work products, such as boilers.

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.