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 Services Internationals marine surveyor offer a complete range of Marine Surveyor, Consultancy, Investigation and Legal support services for all types of floating vessel and structure.

Maritime Skills Alliance designs and promotes qualifications and apprenticeships for the UK’s maritime sector. WThey have developed a suite of interlocking standards and qualifications – MSQs, “Maritime Studies Qualifications” - which enable employees to progress both within their specialism and between sectors.

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.

Marlan Maritime Technologies Ltd provides Maritime services and is based out of United Kingdom.

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.

The Port of Marseille Fos is France’s leading port and the 2nd largest mediterranean port. Ideally located on the shores of the Mediterranean, France's leading port, the Port of Marseille Fos, is the natural gateway to the south of Europe. It positions itself as an alternative to the ports of Northern Europe.

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.

At Massterly, they offer services for the customers’ entire value chain for autonomous ships; from vessel design and approval from relevant authorities, to control systems, logistics services, vessel operations, insurance and possible assistance on financing.

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.

McLachlan Marine is one of the largest independent workboat operators in the North East of Scotland, based in Aberdeen operating a growing fleet of over 10 Workboats.

MCS International Marine Services BV are specialised in Ocean Towage & Salvage, Offshore Chartering, Heavy Lift / Project Cargo Transportation and Sale & Purchase. They are active as independent Brokers and Contractors in the global maritime industry for more than 30 years.

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.

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.

Mencast Marine provides a comprehensive set of services and solutions inclusive of sterngear manufacturing. Within Mencast Marine, an extensive track record established with possess on world-class capability of providing quality propeller repair and modification services in offshore oil and gas and marine industry which inclusive of proficiency in CPP blades repairing, bronze casting for corroded and broken parts of cargo pumps, and casings.

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

Meriaura Ltd is a Finnish family-owned shipping company with a fleet of 18 vessels operating in the Baltic, North-Atlantic and Mediterranean Seas. Their fleet consists of bulkers and multipurpose deck cargo carriers.

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

Mersey Maritime was established in 2003 to represent and act on behalf of the 1700 maritime-related companies across the Liverpool City Region. With over 200 members, they are considered to be an excellent example of a regional maritime cluster. They organize a range of monthly networking and training events and deliver forums for their members to shape the future of the maritime sector.

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.

Midt-Norsk Transport AS has engaged in transport mediation. Over the years, They have built up particularly good expertise in northern Norway, and with Trøndelag as the starting point, they have several regular departures north per week.

Miros provides real-time measurements of local sea state and weather conditions to any user, on any device, providing critical data for all relevant stakeholders.