The CO Research Trust (formerly the Gas Safety Trust) is a registered charity, established in 2005. The objective is to reduce the incidents of death and serious injury from carbon monoxide (CO) poisoning.

Cochin Shipyard was incorporated in the year 1972 as a fully owned Govt of India company. In the last three decades, the company has emerged as a forerunner in the Indian Shipbuilding & Ship repair industry. The Shipyard also trains graduate engineers to marine engineers who later join ships both Indian and foreign as 5th Engineers.

Commercial Rib Charter (CRC) is Europe's largest Rib operator. CRC provides commercial organisations with highly reliable and cost effective crew transfers, safety boat services, survey boats, dive vessels and cable lay support. With a fleet of over 40 vessels, CRC also charters commercial work boats and security, military and police boats to a wide variety of private, public and defence institutions.

CNS works with businesses and communities in the Port and Logistics sector to make their trade smarter and more efficient through the implementation of digital systems and solutions. CNS Port Community System is used by terminals, shipping lines, freight forwarders, cargo owners, customs agents, couriers, haulers, rail operators and regulatory bodies to collaborate and manage imports, exports and transhipments through the UK’s largest ports.

Compagnie Maritime Belge (CMB) is a privately owned company, based in Antwerp, Belgium and with offices in Singapore, Hong Kong, Tokyo, Brentwood and Hamburg. At present CMB is active in the marine sector areas of dry bulk shipping — Bocimar, container shipping — Delphis, chemical tankers — Bochem, innovation and development - CMB.TECH, Crew Transfer Vessels (CTWs) - Windcat Workboats, real estate - Reslea and Maritime Campus Antwerp.

Compagnie Maritime Nantaise - MN - owns, operates and manages vessels. MN’s activity includes the design, construction, acquisition, management and national and international operation of vessels. MN offers its clients, services, performances, experience and listening skills. MN is also duly registered as freight forwarder. MN is backed by the technical and financial strength of the SOGESTRAN group, of which it is a wholly-owned subsidiary,

Compass Maritime is an Irish owned, shipping company. Independent freight forwarder and one of the major Irish shipping companies based between Dublin Port & Dublin Airport in Ireland. They provide a comprehensive and competitively priced shipping package to specifically suit export / import freight and shipping requirements.

CONAVAL offers shipping services, operating mainly Bulk Carriers, covering routes in South America and the rest of the world. The company specialises in the transportation of bulk, general cargo and special cargo, operating a fleet of handy-size, self-unloading bulk carriers.

Consolgroup offers global customers Door to Door, Airport to Door, Airport to Airport, Customs Clearance, Warehousing, and Comprehensive Logistical products and support - both in air and ocean freight for export, import and domestic traffic.

Continental develops pioneering technologies and services for sustainable and connected mobility of people and their goods. The technology company offers safe, efficient, intelligent, and affordable solutions for vehicles, machines, traffic, and transportation.

Core Power is a UK-based development company, specialising in scalable new nuclear for ocean transport and heavy industry. In partnership with major international corporations, Core Power delivers durable zero-emission energy for floating industrial production and deep-sea shipping. They are the global frontrunner in the development of new nuclear technologies for the maritime sector.

Corvus Energy is the supplier of safe, innovative and reliable zero-emission solutions for all segments in the maritime industry.

CSS Limited is a specialist offshore maritime recruitment and placement company, offering both short term contracts and permanent positions with client companies on a global basis. CSS Limited provides highly qualified permanent and contract personnel to the worldwide offshore industry.

CUBIC was founded in 1973 based on a unique idea for a modular system for the construction of electrical panels. This idea has since its early start developed CUBIC into a global and recognised partner within electromechanics and with a product range that comprises any type of enclosure.

Cummins Cederberg team of engineers and marine scientists provides unique comprehensive experience ranging from initial field investigations such as bathymetric surveying, tide/current/wave measurements, underwater structural inspections, environmental assessments, and soil borings to detailed analyses utilising complex computer models and the engineering design and permitting of coastal dredge and fill projects, marine structures, seawalls.

CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed, remote assets.

D.B. Group offers design turn-key global freight-forwarding and logistics solutions through a customised range of transport services worldwide (air, sea, road and rail).

D'Aprix Marine Services is located at Gold Coast City Marina & Shipyard in Coomera, Australia. They provide sales for marine industry leading products and state-of-the-art service, from sale all the way to installation. They offer complete ongoing reliable support and service with customised maritime safety solutions.

Dafo Vehicle is a market pioneer in vehicle fire protection. First established in the fire suppression industry in 1919, Dafo has developed integrated fire suppression solutions for vehicles since 1976, before transitioning to become Dafo Vehicle Fire Protection in 2018. Based in Sweden, Dafo provides vehicle fire suppression worldwide, specialising in high-risk industries such as mining, ports, energy storage, forestry, bus and coaches and more.

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 .

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.

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.

Dempo Shipbuilding provides a skilled work force and the finest of designing minds coupled with a range of facilities all operating in an ERP environment ensure the delivery of world class vessels and faultless service at competitive rates.

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.

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.

DN5 Marine Pvt Ltd Commenced Operations In The Field Of Marine Engineering And Has Grown Into One Of The Offshore Diving, Engineering, NDT, And Maintenance Contractors.