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.

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.

In 2021, DeepOcean entered into an agreement to acquire a majority stake in Adepth Minerals, a company built for sustainable exploration and extraction of marine minerals. The same year, DeepOcean also co-founded the Wind staller Alliance, which aims to provide the world’s most cost-efficient and complete product supply, fabrication and marine services offering within offshore wind and other offshore renewables segments.

Deepsea Technologies engineers and manufactures a wide range of products and equipment used in subsea oil & gas field development projects. Their quality system is ISO 9001:2015 certified. Their customers include major and independent oil & gas companies, tree & wellhead manufacturers, drilling companies, installation companies, and other service contractors.

Defence Equipment & Support (DE&S) is part of the UK Ministry of Defence. They are proud to deliver world-class equipment and services to the British Army, Royal Air Force and Royal Navy, playing a vital role in keeping the UK safe and prosperous. From patrol boats to protective clothing, they deliver safe and innovative kit to the frontlines across the globe.

Founded in 1965, Delmar International Inc. provides International Freight Forwarding, Customs Brokerage, Ground Transportation, Logistics and Supply Chain related technology services. Delmar currently employs roughly 1,500 individuals primarily located throughout North America, Asia, South America and the Indian subcontinent. An extensive network of partnerships, and agency agreements form the balance of Delmar's global logistics network.

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.

Department for Transport (DfT) works with other agencies and partners to support the transport network that helps the UK’s businesses and gets people and goods travelling around the country. They plan and invest in transport infrastructure to keep the United Kingdom (UK) on the move.

The Department of Homeland Security has a vital mission: to secure the nation from the many threats we face. This requires the hard work of more than 260,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Its duties are wide-ranging, and their goal is clear - keeping America safe.

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.

Diamond S Shipping Inc. (DSSI) is one of the largest publicly listed owners and operators of crude and product tankers, which provides seaborne transportation of crude oil, refined petroleum and other products in international shipping markets. DSSI owns and operates a fleet of 66 vessels, composed of two segments: Crude Tankers, which includes 15 Suezmax vessels and one Aframax vessel, and Product Tankers, including 50 medium range (MR) vessels.

Diamond Shipping Ltd are one of the most customer-focused transport, warehousing and logistics companies in Ireland. They offer a global import and export freight service, with agents in the UK, Europe, USA and Asia.

Diamond Shipping Ltd. are one of the most customer-focused transport, warehousing and logistics companies in Ireland. They offer a global import and export freight service, with agents in the UK, Europe, USA and Asia.

Diamond Shipping Services is endowed with a highly proactive approach, and has earned the reputation for assessing customer needs and acting upon them. They offer a wide range of shipping services, combined with over two and half decades of experience. With their cost-effective services and formidable experience, they go beyond moving cargo.

Digital Container Shipping Association (DCSA) is a neutral, non-profit group founded by major ocean carriers to digitise and standardise the container shipping industry. With the mission of leading the industry towards systematic collaboration, DCSA drives initiatives to make container transportation services transparent, reliable, easy to use, secure and environmentally friendly.

Digital Container Shipping Association is a neutral and non-profit organisation that drives interoperability in the shipping industry through standardisation. The goal is to develop information technology and security standards that help to exchange data across the industry.

The Digital Freight Alliance was founded in early 2020 as a union of logistics providers that use the technologies of the projects SeaRates.com, LandRates.com, AirRates.com. DFA is designed to be world's most powerful and independent freight forwarders' association that covers more than 80 countries. DFA uses innovative and technical capabilities, and also strives to keep developing new opportunities for members of the Alliance.

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.

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.

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.

Drewry is a major international provider of research and consulting services to the maritime and shipping industry. From its origins in 1970 London to a 21st century maritime and shipping consultancy, Drewry has established itself as one of the most widely used and respected sources of impartial market insight, industry analysis and advice.

DS NORDEN was founded in 1871, making it one of Denmark’s oldest internationally operating shipping companies. They provide dry cargo and product tankers services globally and offer their shareholders earnings from industry-leading operator activities implemented by a highly skilled organisation in addition to cyclical exposure to dry cargo and product tanker markets.

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.

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.

With more than 50 years of expertise utilising international supply chains, Dunavant’s team is well qualified to manage all transportation requirements end-to-end. They are a licensed freight forwarder, non-vessel-operating common carrier, and customs broker and in the process of getting its air forwarder license.

Dunlap Towing Company is family and employee owned and has been providing dependable marine transportation services for 90 years. They offer towing services within the Puget Sound, along the Pacific Coast from California to British Columbia, to Alaska, including remote ports above the Arctic Circle, and across the Pacific Ocean to Hawaii and beyond.

Durapower Group specialises in the design, manufacturing, and integration of lithium battery systems for automotive and energy storage systems. They offer closed-loop, end-to-end Energy Storage Solutions for a variety of e-mobility, specialty and stationery applications. Durapower Group strives to make scalable, sustainable batteries that support the circular economy, empowering lives and transforming the future towards a carbon neutral economy.