Ocean Data System is a firm specialised in marine electronics and rugged computers based in Lorient (Brittany, France).

Ocean Harvesting Technologies AB was founded to develop wave power technology. R&D has been focused on optimal control to maximise energy production and control the buoy motion and load case, and integrate energy storage in the system to smoothen captured power into constant and predictable output.

Ocean Hyway Cluster is Norway's network for hydrogen-based solutions for the maritime sector. They work closely with the industry to exploit the commercial opportunities of new hydrogen technology solutions to make Norway a global leading maritime hydrogen player.

Ocean Independence is one of the largest superyacht brokerage firms in the world. As a full-service company, it covers all aspects of owning, chartering, buying, selling, building, and managing private or charter yachts. It offers 13 offices globally; including the head office in Switzerland. Its passion for yachting together with its team’s expertise ensures the best superyachting experiences for the clients.

Ocean Infinity is a marine robotics company that deploys autonomous technologies at scale to capture ocean data and deliver maritime solutions. It owns and operates the largest fleet of 6000m rated underwater autonomous vehicles in the world. In addition, the company currently has six work class remotely operated vehicles and eight unmanned surface vehicles.

Established in 2011 in California, OceanManager is a maritime consultancy & software solutions company that provides Fleet Management and Operational Intelligence software products and bespoke services for Technical Management.

Ocean Marine Security is the market leading Maritime Security Company in Nigeria. For the last 7 years, OMS has worked in partnership with the Nigerian Navy, providing vital static asset protection to the oil and gas industry and much-needed escort services for commercial vessels transiting through Nigerian water. Ocean Marine Security's services include - armed escort and patrol services, port, facility, vessel security threat assessments etc.

Ocean Network Express (ONE) emerged as a new entity from three Japanese liner companies - 'K'​ Line, MOL, and NYK, who historically prided themselves on high-level service quality and process excellence.

OPRI is a think tank that conducts ocean policy research, makes policy recommendations, and disseminates information in order to comprehensively and systematically address the ocean challenges facing Japan and the world. As part of this work, OPRI conducts research on the sharing of ocean observation platforms and the spread of satellite communications to enhance marine security and maritime domain awareness.

MARINE SAFETY EQUIPMENT SPECIALISTS With over 20 years of expertise and innovation in the marine industry, committed to keeping safe on the water.

Ocean Sparkle Limited (OSL) is engaged in the business of providing professionalised service of Comprehensive Port Operation and Management, envisioned to: Fulfill the need for qualitative and efficient Port Infrastructure Operations and Management in India; Capitalise on the opportunities evolving from privatisation of the Port Infrastructure Sector in India.

Ocean Technologies Group provides maritime professionals across the globe with digital learning, assessment, maritime HR, and fleet management solutions. It is built on the world-recognised e-learning providers Seagull Maritime and Videotel and has been further strengthened by the Compas, Marlins, MTS, and Tero Marine brands.

Ocean Time Marine provides vessel owners and operators with safety management system (SMS) resources and services to improve safety culture and stay safer at sea.

Organized and registered with the Philippine Securities and Exchange Commission (SEC) on June 30, 2008, OCEAN WAVE CRUISERS INTERNATIONAL MANNING AGENCY, INC. (OWCIMAI) is a manning agency that maintains a credible manpower pool of seafarers, both in the hospitality and maritime (deck & engine) fields, for its local and international shipping partners.

Oceanalph is a professional company focusing on USV(Unmanned Surface Vessels) development and offering world-leading USV solutions for water environment sampling & monitoring, hydrographic survey, oceanographic survey, nuclear radiation monitoring and water surface cleaning, etc.

Oceanco has specialised in building large custom yachts up till 160m in length for over 30 years. Offering a highly personalised service to clients, Oceanco applies innovative design and technology to create one of a kind yachts that respect the vision of both the Owner and the designer.

Oceandiva London is the first revolutionary CO2-neutral event venue on the River Thames. Spanning across three decks, this unique blank canvas venue provides clients the ability to host sensational events on the river, whether static or sailing, in the heart of the City.

OceanGate Expeditions is dedicated to direct human exploration of the undersea world. Not satisfied with scratching the surface of the ocean near the shoreline, OceanGate Expeditions uses manned submersibles to create expeditions at depths far deeper than can be reached with SCUBA.

Oceania Cruises is the world’s leading culinary- and destination-focused cruise line. The line’s seven small, luxurious ships carry no more than 1,250 guests and feature the finest cuisine at sea and destination-rich itineraries that span the globe.

Oceanic Engineering Sdn. Bhd. initiated the compelling needs by setting up shipbuilding / ship repair facilities in 1980 for the benefits of bringing improvement and productivity to the much needed vital growth of Sandakan in Malaysia.

Oceanic Marine Contractors (OMC) is an international offshore contractor specialised in the installation of offshore structures, subsea pipelines, subsea structures, together with platform removal and dredging. From their headquarter in Dubai and with over 500 highly qualified staff worldwide.

OCEÂNICA is a Brazilian company dedicated to providing services and engineering technology solutions for companies with underwater activities.

Oceanly provides the marine industry with a Fleet Performance solution for Energy Efficiency and CII.

OceanMind is a UK-based non-profit organisation that powers marine enforcement and compliance to protect the ocean's ability to provide for human wellbeing. The work helps preserve marine biodiversity providing nature-based solutions to climate change, protecting livelihoods, and preventing slavery in the seafood industry.

Driving maritime's transition to net-zero by making maritime emissions transparent and providing solutions for efficient compliance with environmental regulation. They have built shipping's first end-to-end solution to efficiently manage compliance with the European ETS regime - from ingesting vessel operational data to analysing EUA needs, requesting and trading EUAs and monitoring the respective positions.

OceanSTAR Marine & Offshore Pte. Ltd. is a Engineering Consultation company in Marine & Offshore Industry, providing professional Engineering Design, Analysis, Site Survey and Construction Support Services.

Oceanvolt is an award-winning manufacturer of electric & hybrid motor systems for boats. They are the official supplier to Alex Thomson Racing. Electric propulsion has many benefits in favour of traditional combustion engines when considering noise, simplicity, and reliability.

OceanWise provides applications, services and tools that enable safer and smarter management of marine operations. They specialise in marine environmental monitoring; are the leading provider of marine mapping data worldwide; and are the experts in marine data management

Oceanworx is a community of “Thalassophile’s” who get joy and contentment from being in and around the Ocean. The Oceanworx team has been involved in various aspects of the marine industry since 2005 allowing for a broad base of boating experiences to form the Oceanworx product range.

OCI Global is a game-changing global provider in nitrogen, methanol, and hydrogen, driving forward the decarbonisation of energy-intensive industries.