Stockholms Hamn AB (Stockholms Hamnar) provides transportation and port services. The company offers water level and wind conditions services, port and traffic control, pricing, berths, bridges, diving permissions, locks, and infrastructure services. Stockholms Hamn conducts operations in various ports of Sweden.

Stolt-Nielsen Limited (SNL) is a long-term investor and manager of businesses focused on opportunities in logistics, distribution and aquaculture. The Stolt-Nielsen portfolio consists of its three global bulk-liquid and chemicals logistics businesses – Stolt Tankers, Stolthaven Terminals and Stolt Tank Containers – Stolt Sea Farm and a number of LNG investments.

Stone Marine Propulsion is one of the world’s leading designers and manufacturers of ship propellers. A pioneer of screw propulsion they can trace their history back to the earliest days of propeller manufacturing in the 19th century. They are based out of United Kingdom.

Stormer Marine is a young Dutch shipyard that builds workboats for discerning professional clients worldwide. They build a boat as per specific application. Fast passenger transport requires a different design than heavy towing. That’s why, they build boats in different categories, such as Tug, Patrol, Rescue, Porter and RIB series.

Strangford Moorings is a family run business and have been established for 20 years in Strangford Lough, Northern Ireland. Originally providing moorings for pleasure craft throughout the lough they have now become an established provider and maintainer of aids to navigation throughout Ireland.

Headquartered in Singapore, Strategic Marine (S) Pte Ltd ('Strategic Marine') is a dynamic shipbuilding company with an international book of business and is renowned for producing quality, high performance commercial and governmental vessels for markets across the globe. Strategic Marine’s growing portfolio has seen the company’s capabilities expand to offer larger, purpose-built steel vessels.

Stream Marine Training (SMT) is the UK’s best maritime training company. It is a world class provider of STCW firefighting, fire prevention, survival craft and health and safety approved and certified training courses to the global maritime, oil and gas, renewables and construction industries.

Streamline Marine is an established boat building company with over 50 years’ experience within the industry. Specializing in new build boat construction, their team of specialists can take individual requirements and incorporate this into range of products.

With more than 40 years of experience in the business, Streamlined Propeller Repairs can repair all types of marine propellers and materials using aluminium, bronze, stainless steel. They use the latest American repair technology and provide quality repairs. They can repair propellers up to 24 inches within 2-3 working days. They supply all types of marine propellers throughout the UK.

Strömma Turism & Sjöfart AB (Stromma Group) produces experiences that aim to give every single guest memories for life. Stromma is the leading operator in tours and activities in Northern Europe with approx. 20 brands in 6 countries. Stromma's brands include the well-known names Göta Kanal Rederiaktiebolag, Paddan Sightseeing, Strömma Kanalbolaget, Canal Tours Copenhagen, Helsinki Sightseeing, Canal Tours Amsterdam.

Stromme was established in 1971 as the first dedicated cargo hold cleaning company in the marine industry.

At STS Defence, they are a UK based technology and engineering company, specializing in mission-critical communications, electronics and intelligent systems. They operate in markets that include the defence, marine, aerospace and nuclear sectors and they help their customers to resolve complex technical challenges; innovating, designing and manufacturing equipment, and integrating and supporting systems through-life.

STS Marine Solutions Ltd is an independent energy transfer company. They deliver first-class services globally in all areas of operation while upholding their core values, living up to the legacy of safety, professionalism, and efficiency.

Studio Navale Maritime & Technical Ltd. is a leading technical and consulting firm, which is well known for the credibility and reliability, within the international shipping community for more than two decades.

SubCtech provides Maritime services and is based out of Germany.

The Submarine Delivery Agency (SDA) is an Executive Agency of the UK's Ministry of Defence (MOD). They were established in April 2018 to manage the procurement, in-service support and disposal of UK nuclear submarines, which are some of the most complex equipment in the world. They deliver capabilities to the Royal Navy that are essential to the Continuous at Sea Deterrent (CASD), which is the cornerstone of our national security.

Subsea 7 is a pioneer in the delivery of offshore projects and services for the evolving energy industry. They provide pipeline bundles, flowline systems, riser systems and much more to enhance pipe systems for the oil and gas sector.

Ecospeed provides long-lasting, non-toxic protection for all ship hulls. It is a system that keeps a hull very smooth and free of fouling for the service life of the vessel requiring minimal repair and no replacement. Instead of using chemicals to try to kill and repel marine fouling organisms, Ecospeed uses a hard coating along with manual or mechanical removal of fouling at an early stage.

Subsea Survey Services Lts was formed in 2015 and has been growing as it served its clients ever since. Their services includes benthic surveys, pipeline and harbour surveys, survey equipment rental, and work boat hire.

Sue Stevens Media provides Maritime services and is based out of United Kingdom.

SULA BEDRIFTSTENESTE provides Maritime services and is based out of Norway.

Sunseeker is a brand for luxury performance motor yachts. Originally named Poole Power Boats, the company was founded by brothers Robert and John Braithwaite in 1969. The company changed its name to Sunseeker International in 1985 and has since become a global icon, with every Sunseeker the result of an uncompromising and unmatched approach to design, craftsmanship, and performance.

SunStone Ships is a subsidiary of SunStone Maritime Group A/S - the largest tonnage provider to the expedition cruise market. With decades of expertise and hands-on experience, SunStone Maritime Group offers guidance for fleet & vessel owners as well as other stakeholders. It specialises in commercial management of expedition cruise ships, as well as buying, selling and chartering of its managed fleet.

Superfast Ferries provides Maritime services and is based out of Greece.

Superyacht Technology Network is a network of information and events for technology buyers and sellers in the superyacht sector. They have a full calendar of events throughout the year featuring industry speakers and global technology experts. Their TECHtalks are less than 20 minutes, direct, informative and educational.

SurfDek is recognised as the major innovator in boat decking and traction pad manufacture. Founded on a combined 65 years experience in the marine and watersports industries. Their multifaceted British state of the art manufacturing facility offers in house research and development, through to design and production.

At Survitec, they exist to protect lives. Innovation and the constant pursuit of excellence is the difference between a life saved or a life lost. Their pursuit to save lives and reduce risk is why, for the past 166 years, they have been at the forefront of innovation, design and engineering. Simply said, they provide products and services that help save lives for their customers across the globe.

Survival Systems International offers multi-brand lifeboat inspection, lifeboat maintenance and lifeboat repair from our global network of owned and operated service bases.

Sustainable Marine is a leading provider of coastal and nearshore renewable energy solutions. Their aim is to power island and coastal communities, and energize the blue economy using sustainable forms of energy generation.

Swathe Services is a group of leading survey support companies providing highly qualified survey personnel and equipment to marine engineers, contractors and surveyors around the world.