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.

Manor Marine Ltd is into shipbuilding services and is based out of United Kingdom.

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

Marine Cathodic Protection Systems (MCPS) Ltd has over 20 years manufacturing and design experience and is a leading UK supplier of Cathodic Protection (CP) and Marine Growth Prevention Systems (MGPS) to Marine Ship Owners, Offshore Energy and Port Markets. This high level of experience ensures that MCPS fully understands and can supply corrosion and anti-fouling prevention equipment in accordance with the most stringent requirements.

Marine-Products-Direct is a privately owned business operating with an office and warehouse in Poole, Dorset, UK. They focus on sourcing the highest quality and innovative marine products. Marine-Products-Direct operates from a 5,500sq foot warehouse ensuring stock availability across the whole range.

Marine Metallurgical Consultants Limited (MMC) was founded in 2006 by David Hughes. David has provided expert metallurgical failure investigation services to many of the major players in the marine industry, ship owners, ship managers, charterers, cargo owners, salvors and all the services that serve them, P&I Clubs, Underwriters, Law Firms, and has done so for over twenty years.

Marine Specialised Technology Group ("MST Group") is one of the world’s pioneering designers, manufacturers and maintainers of high-speed workboats from 5m to 25m in length for global defence and security markets.

At Marinology Co. Ltd, they pursue their strategic plan to increase partnerships with high-profile companies for different scopes of services worldwide, to further enhance a global reach and offshore capability.

Maritime Progress Limited leads the way in providing legislative compliant safety products and services. The materials they manufacture and use are of the highest quality, their print capabilities are first-class and their bespoke services are innovative and creative.

Marlin Environmental Services is a leader in specialist environmental cleaning, waste management and engineering services for the maritime sector, including transport, commercial, defence and leisure. Key customers include BAE Systems, Babcock International, Wight Link and Carnival for whom Marlin delivers contracts to maintain Royal Navy warships, commercial ferries, cruise ships and leisure boats.

MDL, Part Of Renishaw plc designs and manufactures a range of ruggedised time of flight OEM laser sensors and systems for use in harsh environments. The company also produces pencil beam, fanned beam and scanning laser variants that allow for multiple traffic management applications, including vehicle detection, red light violation, over-height detection, camera triggering, ANPR, vehicle profiling and many more.

Meercat Boats is the United Kingdom's major builder of versatile steel workboats. Their versatile single and multi-hulled workboats have been sold around the world. The road transportable version offers an effective solution to the problems of fast access and mobilisation to difficult locations often far from the coast.

Meridian Marine Limited provides Maritime services and is based out of United Kingdom.

A centre of excellence for maritime, logistics and safety training.

Modulift is a team of specialist engineers designing innovative products to optimum specification to ensure a safe lifting environment around the world. They are the globally renowned supplier of the Modulift range of Modular Spreader Systems for heavy lifting applications.

MODUS uses both autonomous and traditional platforms to cover the full range of survey, inspection, and subsea intervention scopes. MODUS is recognised as an offshore contractor delivering life-of-field support utilising Smart Subsea Services.

Moffatt Marine's qualified and professionally accredited surveyors, inspectors, and marine safety auditors are able to travel locally, nationally, and internationally to provide the full range of professional marine services for both commercial operators and private individuals.

MFB has an excellent reputation in the commercial shipping market and the firm clearly places a heavy emphasis on working closely with its clients and understanding their business requirements.

Multimarine Manufacturing LTD is based at The Multihull Centre which is the oldest multihull specialist boatyard in Europe. The Multihull Centre is also home to Dazcat Designs - designers of sleek, high performance racer-cruisers. Together they are able to provide a complete service including design, build, storage, brokerage, components.

MWD was formed in 2004, based in Hull, East Yorkshire. The senior employees have a combined 50 years experience in the design of electrical control panels and manufacturer of bespoke control systems and marine handling equipment to customer specific requirements.

National Historic Ships UK is a government funded, independent organization which gives objective advice to UK governments and local authorities, funding bodies, and the historic ships sector on all matters relating to historic vessels in the UK.

Navarm Ltd is a multifaceted support Company offering a full range of services from discreet behind the scenes client support to full turnkey project solutions. Trusted by globally recognised companies to deliver products and services to exacting timelines.

Njord Offshore Ltd. manages Crew Transfer Vessels for the Offshore Windfarm Sector. Their head office is based in Tendring, UK and their operations extend throughout Northern Europe.

Norfolk Marine (Chandlers) Ltd is a family run business established in 1984. It is one of the largest independent marine chandlers in the UK, offering a range of more than 35,000 products. Their 18,000 square feet shop is located in Hoveton, Near Wroxham, Norfolk and supplies retail consumers and marine industry businesses, servicing the latter via their dedicated trade counter and van delivery service.

Heerema Marine Contractors delivers innovative and sustainable solutions for the transportation, installation, and removal of offshore infrastructure. The Heerema companies engineer, design, construct, transport, install, and remove offshore structures for the offshore energy industries.