Kingsbury Machine Tools (Kingsbury) is a family business that has been supplying the UK’s most advanced manufacturing sectors with high quality German machine tools for more than fifty years. From their spacious and well equipped facilities in Gosport, Hampshire, they offer a nationwide service, providing manufacturers with innovative machining solutions and comprehensive support.

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.

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.

Kurt Marine Services is the provider for all the boat maintenance services on the south coast of the UK. They work with boat owners and with the yacht and motorboat dealerships in Hampshire, many of whom regard they as their preferred supplier.

Kyodo USA is one of the world's renowned suppliers of ship operation equipment and marine services. With over 20 years of experience in the international marine shipping and transportation industry, they proudly provide services to over 300 customers in over 100 countries worldwide.

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.

LSE is committed to conduct its operations in a manner designed to protect the health, safety and security of its employees and the public, while avoiding and mitigating any adverse impacts to the environmental. It is their policy to conduct all business activities in compliance with the federal and state health, safety, security and environment regulations and guidelines.

Leeway Marine operates a fleet of advanced vessels, providing tailored solutions for ocean data acquisition. With a focus on precision and efficiency, the company supports clients in marine research, environmental monitoring, and offshore exploration, ensuring reliable and accurate data collection.

Levant Fleet is one of the world's largest independent third-party ship management firms with a 24-year history, over 20,000 qualified seafarers and over 450 vessels under management.

LEWA GmbH is a manufacturer of diaphragm metering pumps, process pumps, complete metering systems and plants. They offer customised solutions, with a focus on taking a comprehensive approach to pump and system integration and on the process itself. LEWA’s core expertise includes first class service and spare part distribution in aftersales combined with many years of experience in the international project management.

LFS Marine & Outdoor was founded in 1967 as a supplier to commercial fisherman. Since then the company has grown and diversified to include sport fishing supplies, pleasure boating supplies, kayaks and accessories, and outdoor clothing and shoes.

Liberty Maritime Corporation is a New York-based commercial shipping company operating both U.S. flag and various foreign flag vessels. They have demonstrated their commitment to quality, performance, and innovation for over three decades.

Lilaas is one of the world's renowned manufacturers of various types of control levers and joysticks for marine and offshore use. As a result of unique design, top-grade materials and thorough test procedures, they produce products of high quality that requires a minimum of service and maintenance.

LGSA Marine is an independent company of marine surveyors, cargo surveyors, engineers, and consultants providing a comprehensive range of services to the insurance, maritime, shipping, risk management, transport, and energy industries. ​

Liverpool Pilots have provided safe pilotage for vessels of all types and size, navigating within the port limits of Liverpool, for over 250 years. The modern service comprises of more than 50 pilots who are all highly experienced, trained, and skilled Master Mariners, authorised to navigate within the district by the Competent Harbour Authority – The Mersey Docks and Harbour Company, a subsidiary of Peel Ports.

Lloyd's Marine Intelligence solutions are powered by SeaTech™, a unique combination of skills, data and analytics that ensure customers make decisions more quickly, identify and act on opportunities and risks more confidently, and implement efficiencies more easily.

LMG Marin AS is one of Europe's pioneer naval architect and ship design houses, with a highly dedicated organization of skilled engineers and naval architects.

Lochin Marine International Limited is a British boat building and marine services business spanning more than 40 years in the industry - one of the UK's oldest continuously operating boat building companies. Building both for the commercial and leisure sectors worldwide, there are more than 500 constructions sharing the name. Lochin craft are used as lifeboats, police patrol launches, pilot tenders, passenger carriers and other applications.

Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

Providing both domestic and international logistics, Lombard Shipping works in partnership with clients to offer a range of cost-effective solutions that have been developed to meet the ever-changing demands of the industry.

London Marine Consultants Ltd (LMC) specialises in the engineering design and provision of mooring systems for FPSOs, FSRUs and FSOs including External Turrets, Internal Turrets, Disconnectable Turrets and Spread Mooring Systems. Alongside this, LMC can supply their own swivel stack systems as part of the EPC supply.

Louis Dreyfus Armateurs (LDA) provides its partners and clients with tailor-made industrial solutions and vessels. More than a Century old commitment, enabled by constant innovation and reactivity, combined with recognised Industry expertise. Varied and adapted services: bulk transportation, port logistics and transshipment, heavy and specialised cargoes, freight forwarding, submarine cable laying, protection and maintenance.

Lyons Boatyard is a long-established boat repair yard on the Stratford Canal, just to the south of Birmingham. The canal links the southwest approach of the Worcester Birmingham canal with the Grand Union Canal at Lapworth. It then meanders through beautiful rural Warwickshire to picturesque Stratford upon Avon. They provide full services to include diesel, water and pumpout, also on site is a fully stocked Chandlery.

M Subs Ltd specialise in the design, manufacture, and operation of manned and unmanned vehicles for military and commercial markets.

M2ED provides naval architectural and composite design services to the marine industry. Recent projects have also allowed knowledge and skill transfer to other engineering sectors, including energy, civil, and even the film industry.

Macduff Group currently consists of 4 core business divisions - Macduff Shipyards, Macduff Crane Hire, Macduff Profilers, and Macduff Precision Engineering. Backed by its wealth of experience with designing and building vessels, it provides both CNC and manual profiling and fabrication services to the highest standard for a wide range of industries. Its fully qualified crane operators ensure safe and efficient executions of all projects.

Madden Marine offers an extensive range of services to an increasingly international market, based in Belfast; the home of shipbuilding! With fit-out contracts completed from the Irish Sea, right across to the Atlantic and the Pacific, Madden Marine has earned a reputation for high quality in both production and service!

Malin Group offers a comprehensive range of services and capabilities. Their dedicated team continue to provide a solid blend of theory, experience and practical knowledge to assist clients on complex global projects. Their group of companies have been built from the ground up to offer seamless support to clients across the full range of design consultancy, marine operations and shipping, fabrication, installation and site maintenance services.

MAN Engines offers a wide range of efficient diesel and gas engines with a power range from 37 to 1,471 kW (50 to 2,000 HP) between 4.6 and 25.8 litres displacement and numerous axles and transfer cases for a variety of uses. They develop, produce and distribute innovative products of excellent quality for a wide range of applications.

Marine AI Ltd is a software engineering firm specialising in edge-based sensor-driven cognitive artificial intelligence to deliver safety-critical marine autonomy.