Maritime Registration Company of Ireland provides comprehensive boat registration services. They handle all necessary paperwork, ensuring the vessel is legally registered and authorised to fly the Irish and EU flags in international waters. Their professional boat delivery service ensures that the vessel arrives safely, whether it’s within the UK, Europe, or further afield.

Maritime Research and Innovation UK (MarRI-UK) are a collaborative innovation vehicle for the UK industry and academia to jointly tackle innovation and technology challenges. They focus on research and innovation within mid TRL (3 – 7) levels to address the opportunities between 'discovery and research' and 'commercialisation' of Maritime Technologies and Systems.

Maritime Survey Services Ltd. are a provider in subsea services. With a world class inshore survey vessels, remotely operated vehicles and an array of survey sensors, their team works with the latest technology and expertise to deliver subsea solutions for a wide variety of marine services and applications.

At Marsurv Marine, they are well established Professional Marine Surveyors and Consultants carrying out surveys on Boats and Ships of all types, sizes and methods of construction, including Houseboats, Dutch Barges, Narrowboats, Yachts, Motorboats and Commercial vessels.

Martide's cloud-based maritime crew management solution helps to optimize processes. Their integrated seafarer database, crew planning, vessel management and seafarer self service portal makes crew deployment, recruiting qualified seafarers and retaining the existing pool more efficient for staff and crew both onboard and ashore.

Maru Watersport & Industry supplies quality products from various A-brands for the Superyacht builders, Offshore and Dredging, Fisheries, Ports, Defense and the Watersports shops.

Marubeni Corporation is one of Japan’s largest trading companies (sogo shosha) with more than 160 years of history. Headquartered in Tokyo, Marubeni continues to expand its businesses across the globe, with a presence in over 65 countries and more than 130 branches and offices worldwide.

Mash Energy is a renowned manufacturer of automatic single fuel injector cleaning machine, internal combustion engine & furnace burners.

MasterShip helps shipbuilders to produce ships and yachts faster and cheaper, using its unique and mature MasterShip software and its unique engineering services formula.

The Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping ensures real climate action. They are a not-for-profit, independent research and development centre, looking to accelerate the transition towards a net-zero future for the maritime industry. With their partners, they drive and facilitate the development and implementation of new technologies and build confidence in new concepts.

At MML Marine, they are the leading specialist fabricators and suppliers of a wide range of marine doors, including: shipbuilding and offshore doors, offshore fire doors, marine fire doors, watertight doors, A60 doors, A60 windows, H120 and H60 blast rated doors.

MD Shipbroking is an independent boutique shipbroking firm, offering a competent, reliable and client-orientated service, sounding out all possibilities of the shipping market with a long standing experience in the Sale & Purchase of merchant vessels, including contracting of New buildings, sales for Ship recycling and Valuations.​

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.

MDS Europe Ltd. are specialists in high performance food grade lubricants, oils & greases.

Mecal Ltd was founded in 1993 as 'Marine Engineers Certifying Authority Ltd' by the Institute of Marine Engineering, Science & Technology & we still maintain close links with the Small Ships Group of the Institution. Since then MECAL has grown to become one of the leading Certifying Authorities for commercial vessels & workboats up to 24m load line length and for larger vessels under specific delegation.

Mechan Ltd is a globally renowned company in the design, manufacture, installation and maintenance of handling equipment for rail depots. Engineered to withstand the constant demands of rail depots and workshops, their lifting and handling equipment is built to outperform, outlast and outsmart their rivals.

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.

Megacon is a major designer, manufacturer and international supplier of high-tech electronic products for industrial, mobile, marine, offshore, subsea or seabed applications. They offer the best competitive technical solutions to cater to a wide range of renewable energy requirements.

Mercator Limited is Mumbai-based International organisation. As a group, Mercator has diversified business interests in Coal, Oil & Gas, Commodity Transportation and Dredging.

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

Metalock Venezuela is a major company in on-site engineering repairs for all industries within the Caribbean area. Established in 1969, they have decades of experience in mechanical equipment repairs, with the capacity to offer immediate mobilisation of their specialised technicians to fulfill all in situ repair requirements.

MEYER WERFT GmbH & Co. KG based in Papenburg was founded in 1795 and is in its seventh generation of family ownership. MEYER WERFT has achieved an excellent worldwide reputation in recent decades for constructing and building special-purpose ships. The company is especially well-known due to the construction of large, modern and sophisticated cruise ships.

Mitsubishi Shipbuilding Co., Ltd. covers the maritime related businesses of Mitsubishi Heavy Industries (MHI) Group. They help propel forward the development of the maritime industry both in Japan and around the world through conventional shipbuilding and marine engineering, based on our deep technological expertise in shipbuilding, and by leveraging the wide range of technologies across MHI Group.

MMA Offshore specialise in providing high-specification vessels and a comprehensive suite of marine and subsea services to the offshore energy sector and wider maritime industries. Their combination of high-quality vessels, specialised subsea services, strategically located onshore facilities and in-house technical marine expertise enables them to partner with clients to deliver innovative, fit-for-purpose marine solutions.

MMC – Millennium Marine Contractors Ltd are one of the South West’s leading marine and civil engineering companies, specialising in marine construction work, diving services, spray concrete, grouting, concrete repairs above and below water, plus workboat and crane barge hire. With over 25 years’ experience at management level, they are confident in their ability to provide a first class service to clients.

MMS Ship Repair & Dry Dock Co Ltd provides a one stop shop for ship owners with all services carried out in-house performed by time-served, experienced tradesmen who are committed to working with the customer. Their priority is to ensure all jobs are completed on time, to budget and to the highest standard of workmanship.

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.

Moen Marin is the world’s largest supplier of working boats to the aquaculture industry. They lead the way in electrification and digitisation of the fishing and aquaculture fleet. Their main products in this strategic area in the years to come will be service and work boats to the fish-farming and entrepreneur industry, diving vessels, tugs and fishing boats.

MOLABO GmbH is a Germany-based startup company, which is dedicated to developing electric drives for the e-mobility revolution. The company's mission is to provide safe-to-touch low-voltage e-solutions to enable sustainable mobility worldwide.

Momac Group is a globally renowned company in the service/maintenance repair of gearboxes, electric motors, hydraulic cylinders and metallurgical engineering equipment.