Ontario Shipyards is a wholly Canadian-owned company operating three of the largest ship construction and repair facilities in Canada. Founded in 1987, Ontario Shipyards has grown into the largest Canadian ship repair and construction company on the Great Lakes. They are trusted partner of the Canadian Coast Guard and the Canadian-flagged commercial fleet.

Onursan was founded in 1983, as the first ship fire fighting service company in Istanbul, Turkey. After several years company established a liferaft service station and started lifeboat and calibration services.

Powered by Vision AI, Oosto enables enterprises to better protect their customers, guests and employees by identifying security and safety threats in real-time without compromising on fair and ethical use.

Opentop is the innovation HUB of Valenciaport, which seeks to become a global benchmark in open innovation in the port logistics sector, fostering the creation and growth of innovative technology companies. They are connected with major global companies, top notch mentors, and a vibrant startup ecosystem in one of the most iconic Mediterranean cities.

Optical Scientific, Inc. was founded in 1985. They are a research, development, engineering, and manufacturing firm located in the I-270 high technology corridor outside of Washington, DC, USA. They design and build the most advanced optical instruments in the world for measuring air and gas flow, wind, turbulence, liquid and powder tank levels, visibility, and precipitation amount and type.

Optimarin was established in 1994 and is a pioneer in the industry, always being one of the pioneers in bringing innovative solutions to the market that works. Optimarin not only delivers an approved system in compliance with all international regulations on Ballast Water Treatment but also delivers customer satisfaction with a superbly engineered and robust system that works and is thoroughly field-proven.

Optimum Voyage is a weather routing service that optimizes voyages for all types of vessels. The service takes all parameters into account and is on average simulating millions of route variations for each voyage. This gives owners and operators the most fuel-efficient routes for their controlled vessels.

Orbit Communication Systems Ltd., a pioneering provider of airborne communications and satellite-tracking maritime and ground-station solutions, is helping to expand and redefine how they connect. Orbit systems on airliners and jet fighters, cruise ships and navy vessels, ground stations and offshore platforms. They deliver innovative, cost-effective and highly reliable solutions to commercial operators, major air forces and navies.

Orbital Marine Power (Orbital) is a visionary, Scotland-based, renewable energy company focused on the development and global application of its pioneering floating turbine technology. Orbital’s innovative, approach de-risks the commercial extraction of low carbon energy from fast-flowing currents by offering low manufacturing and installation costs as well as the ability to carry out inexpensive, quick servicing on all major turbine components.

Orca AI advances the maritime industry by providing intelligent navigation solutions, preventing collisions and saving lives. They ensure safety in waterways and deep waters by staying committed in the vision to reduce human-caused errors through intelligent automated vessels.

ORCA MARINE was founded in 2007 by a group of marine professionals to serve the Customers in marine industry and shipping providing maritime marketing services of the highest standards and representation of the Shipyards Worldwide within the geographical territory of Lithuania, Latvia, Estonia, Poland, Russia and Ukraine.

Öregrundsvarvet is one of Sweden's largest shipyards. Shipyard operations have been carried out here since the turn of the last century and the shipyard is under constant development to meet the needs of the market. They offer services for recreational and commercial shipping and can handle vessels up to 45 meters in length.

Oriental Motor manufactures various compact electric motors, linear/rotary actuators, and motion control products for machine builders in many industries, while focusing on total service and education. They offer an extensive product line-up of 50,000+ standard products to meet the widest market demands.

Orion Maritime was established in February 1999 with the aim of providing cost effective services to their valued clients and to be a recognised company in the maritime and offshore industry. Maritime service and consultancy is their core business and they are committed to provide maritime solutions at the highest level of professionalism.

Founded in Australia, Orion Shipping began as a small, dedicated freight service provider with a simple goal: to make shipping more reliable and accessible for businesses of all sizes. Their passion for logistics and commitment to service excellence have fueled their growth. They proudly operate as a trusted global logistics partner, supporting clients across a wide range of industries with tailored shipping and supply chain solutions.

Orkney Harbour Authority is responsible for the safe and efficient operation of 29 piers and harbours, including Scapa Flow. It is owned by Orkney Islands Council, who are the statutory Harbour Authority, and is one the UK’s most diverse commercial ports.

Orwell Offshore was established in the belief that remarkable results will be delivered through teamwork, dedication and commitment. Their passion for tackling big challenges, dedication and teamwork could make us part of the solution.

OSM Thome is the result of a joint merger of two industry giants OSM Maritime and Thome Group in 2023. As the provider of technical and digital asset management services to the offshore and maritime industry, they work closely with their customers and partners to ensure their success 24/7.

Osprey Technical Consulting Ltd. is one of the most respected marine electronics consultancies in the world. Their engineers work for in compliance of British Marine Electrical and Electronics Association and National Marine Electronics Association codes of practice. Training is a priority at Osprey, ensuring the team is leading the marine industry innovation and that all projects are in expert hands.

OSS Maritime Group Pty Ltd is an Australia-based, pioneering marine supply and repair organisation with an excellent 20 plus years records in Maritime Industry. OSS prides itself on its’ and quality services. We have been increasing our market in Australia and overseas.

ÖSWAG shipyard Linz has been the address for shipping on rivers and lakes in Austria, Germany and Switzerland for over 180 years. Building ships was and is their strength. In addition to service and repair services, they build modern passenger ships, emergency boats and various floating systems.

Ottomar, with its deep-rooted and long-standing corporate experience, has the capacity to plan and manage in detail all the courses of shipbuilding, starting from the designing and constructing all the way down to the delivery. For this, following the economic and scientific developments that are closely related to the shipbuilding industry all around the world.

Ovatek manufactures the only “safe haven” self -righting rigid liferafts in the world. These unique products significantly improve a user’s chance of surviving a sea disaster. The company was founded in 1995. Its head office and manufacturing facilities are located in a 1,500 square meter facility in Bas-Caraquet, New Brunswick, Canada.

Oxley Marine Engineering sells and repairs engines in South West Devon. Their workshop is in Brixham and they are an authorised Beta Marine, Perkins and Separ supplier. They also sell pre-owned engines that they test and offer breakdown services. They work primarily on diesel engines for private and commercial boats, and supply Perkins and Beta Marine engines, which they believe last over time.

Ozsea Plate Boats brings a combined experience of over 40 years in building Aluminium Plate Boats. Barry and Brendan have worked for some of Australia's biggest Aluminium Boat manufacturers and this experience means that Ozsea Plate Boats are now able to provide the best Aluminium plate boats in Australia.

Ørsted’s vision is a world that runs entirely on green energy. They develop, construct and operate offshore and onshore wind farms, solar farms and energy storage facilities, bioenergy plants and provide energy products to the customers.

P.J. Boenders Marine Surveys B.V. is an independent marine survey and cargo inspection bureau founded in 1991. lnitially started as a one-man business, the company has grown over the years to become one of the major players in the ARA range.

Paal is an electrified watercraft producer for recreational & commercial markets. It aims to provide affordable, trendy & sustainable marine lifestyle to consumers with its high-end performance, tech & comfort. They are an experienced & award winning team, ready to disrupt the industry.

PACC Offshore Services Holdings Ltd (POSH) delivers specialist offshore marine solutions, supporting upstream oil & gas and renewable energy operations in key markets worldwide. Their services include subsea installation and maintenance support, offshore logistics and accommodation, and harbour towage.

Pacific Basin is one of the owners and operators of modern Handysize and Supramax dry bulk ships. They offer a personalised, flexible, responsive and reliable service, and look for ways to make it easier for users to do business with them.