NSK Ship Design AS is an independent international ship design company, located in Harstad and Trondheim, Norway. They are ISO9001 (2015) certified and execute their projects with integrity.

NSW Ports’ assets include key import and export gateways of Port Botany and Port Kembla, as well as Enfield Intermodal Logistics Centre and the Cooks River Intermodal Terminal. NSW Ports is a consortium of institutional investors: IFM Investors (including Cbus, HESTA and Hostplus), Australian Super, Tawreed Investments Limited and Q Super.

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 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 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.

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

Relying on their solid base, excellent organization, highly-qualified personnel and rich experience, they have established as one of the leading shiprepair yards in the Black Sea and Eastern Mediterranean area. Odessos Shiprepair Yard S.A. is the largest and best equipped Bulgarian shipyard for docking of vessels up to 90 000 DWT and afloat repairs up to 150 000 DWT.

Offshore Marine Management Holdings is a leading global group of companies specializing in the delivery of subsea solutions to the offshore renewables, grid, telecommunications and hydrocarbon industries.

Okeanus Science & Technology, LLC, is a rental, sales and services company, with in-house equipment manufacturing and engineering capabilities for the oceanographic and subsea professional.

Founded in 1921, OLDENDORFF CARRIERS combines its history as a German shipowner with the network of one of the world's leading drybulk operators. They currently control some 750 chartered and owned vessels of 67 mio tdw, and they carry around 330 mio tons of raw materials and semi-finished products across the seven seas each year. Their customers can expect 100% performance.

Olympic Shipping takes pride in the great team of senior-level experts and highly promising young professionals they have assembled to guarantee a management structure that combines experience with passion and a commitment to continuous improvement.

Oma Baatbyggeri is a pioneer in the use of aluminum as a building material. Having gained more than half a century of experience with the use of aluminum, the company emerges today as a leader in the development, design and construction of lightweight, high-speed aluminum catamarans.

Oma Baatbyggeri AS is into shipbuilding services and is based out of Norway.

OMC International (OMC) is an Australian maritime engineering company that has developed award-winning e-Navigation technology to improve transit for large commercial ships in draft restricted entrance channels and waterways. It determines and manages a ship’s Under Keel Clearance (UKC) dynamically and in real-time.

OneOcean is the largest single digital solutions company in the maritime industry. The business supports nearly 20,000 vessels in their regulatory compliance and navigational activities, by providing innovative and integrated software solutions designed specifically for onboard and shoreside teams.

Opielok Offshore Carriers is a member of the Marlow Offshore Group, headquartered in Hamburg, Germany and is a technical & crew management specialist for offshore supply vessels serving the Oil & Gas and Renewables Industry.

OPUS MARINE offers a broad range of maritime services. Their business focuses on offshore wind, tidal turbine supervision, GRP pipeline installation, heavy-lift operations with floating cranes, salvage & wreck removal, vessel control coordination, diving, ammunition detection, HSEQ supervision, retail of safety appliances and rental of accommodation modules.

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.

Orcades Marine is a leading provider of Marine Project Management and Consultancy Services to the Offshore Renewable Energy Sector, Shipping and Port industry. Based in the stunning Orkney Isles, they pride themselves on providing the most economic and practical solution for project requirements.

Oshima Shipbuilding Co. Ltd is into shipbuilding services and is based out of Nagasaki, Japan.

OSM Maritime Group is the leading provider of full-service solutions to the Offshore and Maritime industries. OSM Maritime Group brings over 30 years of experience in the Maritime Industry, more than 17,000 employees, more than 20 office locations, over 700 vessels under management, and a 90% retention to the table.

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.

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.

Overseas Marine Certification Services (OMCS) is a leading ship classification society. They provide a critical link in the marine risk management chain by serving as an independent institution operating between ship owners, builders, financiers, underwriters, flag administrations, and vessel charterers.

OXE Marine develops and manufactures a patented outboard transmission, enabling the use of high torque diesel engines on outboard systems and in sterndrive solutions. OXE Marine is the company behind the world’s first high-performance diesel outboard engine, OXE Diesel, setting new standards for durability, fuel-efficiency and low emissions.

P&O Maritime Logistics is a leading provider of marine solutions with focus on offshore energy, port services and cargo transport. The company is strategically positioned to provide a wide portfolio of services to its customers, be it within a unique segment such as offshore or port services, or an integrated logistics offering with a combination of services – always with safety and the environment at the forefront.

With over 180 years of rich heritage and experience, P&O Ferries has been cemented as a household name for ferry services, with their fascinating history helping them to become the reliable and dependable establishment that everyone knows today.

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 Ship Managers (PaccShip) is the in-house ship management arm of the PCL Group. PaccShip manages vessels for the PCL Group as well as for third parties. The managed fleet comprises dry bulk carriers, product tankers, chemical tankers, container feeder vessels and multi-purpose vessels.