Dalian Shipbuilding Industry Offshore Co., Ltd. (DSIC Offshore) is located at the bay of Dalian with very good land and sea transportation access. It is a prime contractor company specialized in offshore engineering, construction, repair and conversion. Its main business covers jack-up/semi-sub drilling/production platform, drilling ship, FPSO, wind turbine installation vessel and other fixed and floating drilling or oil and gas production .

Damen Marine Components (DMC) designs and manufactures a range of premium systems that are vital for the propulsion, manoeuvring and performance of vessels engaged in all types of maritime activity. These include short sea, deep sea, offshore, ocean-going, inland waterways and naval vessels, and superyachts. Their primary products are nozzles, winches, controls and steering and rudder systems.

Dash Three Marine Service Sdn. Bhd. is a company that specialises in providing services and solutions for the Marine and Engineering related industries. Their company is set-up to provide the best affordable services for all small, medium and large industries.

Data Hidrolik A.S., based out of Istanbul, Turkey, is specialised in design and production of steering systems, windlasses, capstans, winches, towing hooks and pins. Their continual investment in research, design and unwavering commitment to quality has earned them a good reputation in steering systems and deck machinery systems for all kind of marine vessels.

Dathena is a Deep-Tech company that provide an A.I. Driven Data Discovery and Classification platform, bringing a new paradigm to data privacy and security solutions. In a world of ever-growing information, regulation, and consumer privacy expectations, enterprises around the globe rely on Dathena to identify, classify and control their sensitive data, reduce risks, and enhance the data protection framework.

Davie is more than just Canada’s largest shipbuilder; it is more than just a shipbuilder. Davie provides a wide range of products and services to several different industries where it leverages its high-capacity fabrication capabilities for complex, engineered solutions. With pioneering excellence spanning two centuries, Davie is an integral part of Canada’s rich maritime heritage and its bright future.

DCS POWER PTE LTD incorporated with Metalock Qingdao, founded in Singapore in 2017. In the year of 2019, DCS POWER PTE LTD become service partner with CSSC marine Service (CMS China) for WinGD and Man engines' service repairs.

DEME is a pioneering contractor in the fields of offshore energy, environmental remediation, dredging and marine infrastructure. DEME also engages in concessions activities in offshore wind, marine infrastructure, green hydrogen, and deep-sea mineral harvesting. The company can build on more than 145 years of experience and is a front runner in innovation and new technologies.

With strategically located facilities either within or close to major ports, Denholm UK Logistics provides highly efficient port centric 3PL solutions for the receiving, handling, storing, picking, packing and distributing of goods around the United Kingdom (UK).

Department for Energy Security and Net Zero (DESNZ) is focused on the energy portfolio from the former Department for Business, Energy and Industrial Strategy (BEIS), in the United Kingdom (UK) government.

DESMI has specialised in the development, manufacture, sale and service of pumps and pumping solutions for marine, industry, defence & fuel, and utility incl. environmental equipment for oil spill, seaweed and clean waterways operating globally, but acting locally. The DESMI pumps and systems are sold to more than 100 countries via a network of subsidiaries and distributors on six continents.

China Deyuan Marine Fitting Company Limited, established in the year 2009, is a leading and reliable marine and offshore equipment supplier. In the year 2013, Deyuan Marine establish its subsidiary company Deyuan Marine Co.,Ltd (The Old Name:Zhuhai City Deyuan Import and Export Company limited).

DFDS provides ferry and transport services in the whole of Europe continent. They deliver high reliability through ferry & port terminal services and transport & logistics solutions.

Diving Status is a global major company in one-stop-shop maritime solutions. Spanning industries from commercial shipping and superyachts to offshore oil and gas, marine constructions, and beyond, they’re a trusted partner for all things maritime.

Djurgårdens Färjetrafik operates the Djurgårdsfärjan ferry, line 82, on behalf of SL. The Djurgårdsfärjan ferry operates in Stockholm's port area between Slussen, Skeppsholmen and Allmänna Gränd on Djurgården. Djurgårdens Färjetrafik AB is 50% owned by Strömmagruppen and 50% by Serco Holding Ltd.

Doen Waterjets are renowned designers and manufacturers of waterjet propulsion systems, focused on offering best-of-class waterjet products that excel in the harsh operating conditions of the commercial and military marine markets. Nearly 50 years of ongoing R&D and a solid track record of developing innovative waterjet propulsion solutions puts it in a unique position to partner with designers, boat builders and operators.

Dominion Energy's vision is to become the most sustainable energy company in the country. About 7 million customers in 13 states energise their homes and businesses with electricity or natural gas from Dominion Energy, headquartered in Richmond, Virginia, USA. We are committed to sustainable, reliable, affordable and safe energy and to achieving net zero carbon dioxide and methane emissions from power generation and gas infrastructure operations

Donjon Shipbuilding & Repair utilizes years of experience and knowledge to meet the needs of an ever-expanding industry to provide shipbuilding, dry-docking and related services. Headquartered in Erie, Pennsylvania, Donjon Shipbuilding & Repair offers affordable, quality service that meets the highest maritime industry standards, and its commitment to the customer is unmatched.

Donut Safety Systems has over 35 years' of expertise in the supply, development, and manufacture of personal escape equipment for applications within the marine, gas, petroleum, renewable and construction industries, both onshore and offshore, with tens of thousands of units sold and in service globally. Donut is the industry standard for personal descent devices and has many advantages over conventional fixed means of escape.

Founded by Denis Francis Doyle in 1886 in Cork, DSG has transformed from a small stevedoring operation to an organisation that wants to improve the opportunities, businesses and lives of those connected to it. Having established themselves on the quays in Cork, where they still operate to this day, DSG has remained true to that core by focusing on building their business in areas which they have the experience and skill to better serve customers.

DP World (Drydocks World) are a globally renowned provider of worldwide smart end-to-end supply chain logistics, enabling the flow of trade across the globe. Their comprehensive range of products and services covers every link of the integrated supply chain – from maritime and inland terminals to marine services and industrial parks as well as technology-driven customer solutions.

DSD Shipping Singapore is affiliated with DSD Shipping AS. Det Stavangerske Dampskibsselskab (DSD) AS, located in Stavanger, on the west coast of Norway, was established in 1855 and is thus proud of being one of Norway's oldest shipping companies. DSD Shipping AS, a subsidiary of DSD AS, was established in 1989 to manage the parent company's vessels in International trade.

DSV - Global Transport and Logistics provide and manage supply chain solutions for thousands of companies everyday, ranging from the small family-run businesses to the large global corporations. They want to be a leading global supplier, fulfilling customer needs for transport and logistics services, targeting extensive growth and being among the most profitable in the maritime and shipping industry.

DTN is a global, data, analytics and technology company. Its proprietary solutions and expertise deliver trusted operational intelligence for organizations with complex supply chains worldwide. Access to the unparalleled, cloud-based data, applications and insights that DTN offers help businesses prosper, improving service delivery and the movement of goods for many critical sectors of the global economy.

Dublin Stevedores Ltd. is a fully Irish owned family business with a tradition dating as far back as 200 years in Dublin Port. They are an independent operator within the port, providing long term contracts to the multinationals and are favoured by most independent shipping and forwarding agents.

e5 Lab Inc. develops solutions to help meet Japan's shipping industry's various challenges, including greenhouse gas emissions, labour shortages and identify ways to harness autonomous shipping technologies.

Through their world-renowned technologies in data services, satellite processing, and machine learning, they provide evidence-based insights that spark action, EarthDaily Analytics help address some of the world’s greatest challenges from sustainable agriculture and disaster management to climate change monitoring and forestry protection.

Echandia is powering a new era. Maritime is being electrified and Echandia is part of the solution. Echandia Group AB is headquartered in Stockholm, Sweden with a fuel cell arm and R&D in Canada. Echandia develops heavy-duty LTO battery systems and integrated fuel cell solutions for applications in maritime and industrial use.

ECN (Energy Research Centre of the Netherlands) is one of Europe’s largest research organisations. They develop knowledge and technology enabling a transition to a sustainable energy system. ECN focuses its research on sustainable energy generation to develop safe, efficient, reliable and environmentally friendly energy systems. Also ECN conducts research on future opportunities and economic backgrounds related to energy.

Established in 2015, Edda Wind is a provider of purpose-built Service Operation Vessels (SOV) and Commissioning Service Operation Vessels (CSOV) to the global offshore wind market. Their vessels accommodate wind turbine technicians and provide services during the commissioning and operation of offshore wind farms.