Sonatech, a well-regarded technology company in Santa Barbara, California, employs more than 110 skilled professionals. In 2024, the company's revenue was MUSD 33. Sonatech specialises in developing and manufacturing customised devices, subsystems, and systems that transmit, receive and/or process acoustic signals through the ocean.

Song Thu Corporation is a unit under the General Department of Defense Industry - Ministry of National Defense of Vietnam. The Corporation specialises in the fields of building and repairing ships and river ships; responding to oil spills at sea and rivers; cleaning and sanitising oil tankers, treating oil residues.

Sonino General Marine Supply is committed to provide their customers with quality, reliable and competitively priced products and services. They place strong emphasis on achieving a consistent quality in their products and services with the involvement and commitment from all levels of management and staff.

Sora Marine Services is a Qatari company established to serve the marine industry in Qatar and in particularly the drydock in Ras Laffan.

SOTRA ANCHOR & CHAIN / Sotra Marine Produkter AS is a company 100% owned by The SOTRA GROUP. The group was founded in 1980 at Sotra on west coast of Norway. SOTRA ANCHOR & CHAIN has become known as the world`s largest stockist of anchors and chains. The company have today more than 20 000 tonnes brand new and second hand anchors, chain, shackles and accessories for supply within shipping, offshore, aquaculture and shipyards.

Soulite Ship Management has been in the recruitment business for seven years, providing high-quality solutions for employers around the world. During this time, they have developed a strong reputation for delivering exceptional results. Their team of experienced professionals is dedicated to finding the best possible candidates for their clients and ensuring successful placements.

Source & Supply Logistics began as a supplier of logistics/supply chain management. Today, they are recognised as a world-class provider of an additional range of value-added services.

South Coast Marine is a family-run business that has been serving boaters for over 50 years in the UK, Europe and worldwide.

South East Tug Services Ltd. is a family owned, independent tug and marine plant provider specializing in the provision of tug hire internationally. With over forty years in the marine industry, ranging from Dredging to Harbour and Coastal Towage and Pontoon Hire, their experience and expertise ensures an efficient and cost effective solution to marine requirements.

South 32’s purpose is to make a difference by developing natural resources, improving people's lives now and for generations to come. They are trusted by the owners and partners to realise the potential of their resources. The composition of the board is designed to include directors who bring a level of skill and experience that helps deliver value to the shareholders and supports the social licence to operate.

Southampton Cargo Handling’s portfolio includes a complete range of terminal and ship handling services covering roll-on/roll-off, cruise and project. Their expertise extends from receiving and managing cargo at the quayside to ship planning and subsequent loading, discharge and distribution of cargoes. In addition, cargo handling is supported by their own warehouse facilities located close to the Port of Southampton.

Southern Devall is supported by our two subsidiaries, Devall Fleeting, a fleeting and shifting service provider with several facilities along the Gulf Intracoastal Waterway and the Lower Mississippi River, and Devall Diesel Services, an industrial engine dealership & service center that sells, services, and rebuilds industrial engines and generator sets.

Southern Marine Resources is an Australian manufacturer and service provider of marine solutions. They specialise in harbour works, and their diverse experience covers a broad spectrum of products and services, including aids to navigation, mass warning sirens, structural remediations, and ongoing asset inspection and maintenance.

Southern Maritime Services is a national maritime recruiting agency. SMS takes pride in getting to know our clients and their crewing needs. We place qualified mariners in positions that will be beneficial to both the mariner and their new employer.

Southern Ocean Solutions is a Marine design, construction and service company owned, operated and based out of Australia, with an experienced global team of Designers, Engineers, Surveyors, Project Managers and High-Ranking Mariners, all successfully working within the Maritime industry for decades.

Southern Wind is a boutique sailing yacht shipyard, founded in Cape Town in 1991. Southern Wind can be considered as a “family” whose members are all united by a strong passion for bluewater sailing, inspiring camaraderie and sense of belonging that lasts through generations.

Souto Naval is the boat specialist on the shores of Lake Neuchâtel in Chevroux, Switzerland. They provide Wintering, Sale of boats, Maintenance and Repair, Painting & Others.

Sovcomflot (SCF Group) is the largest shipping company in Russia and a global pioneer in energy shipping with a special focus on operations in challenging climatic and navigational conditions.

Founded in 2012, Sovereign Global (SG) has become the first European based Group acting as a programme integrator and trusted partner to governments, supporting them in professionalizing, projecting and maintaining their sovereignty with civilian as well as military programmes.

Sovereign Global Middle East (SGME) has an outstanding track record of managing maritime operations and services in complex environments.

Southern Waterborne Transport Joint Stock Corporation (SOWATCO) is a state-owned enterprise under the Ministry of Transport with a charter capital of VND 671 billion. With the motto of setting quality and customer satisfaction is their top priorities, SOWATCO always insists its reputation and prestige in both domestic and international markets.

Spanish Shipping Association (ANAVE) was founded in 1977, its origins coming from an earlier organisation, OFICEMA, established in 1952. ANAVE mission is coordinating and defending the interests of Spanish shipping companies. To fulfil this mission, among other activities, ANAVE maintains regular contacts with the Spanish national administration, the EU institutions and trade unions and actively participates in various global and associations.

The Group was founded 50 years ago, with the profound goal of becoming established in the maritime section. Family owned and operated, Spanopoulos Group, has over 50 years of experience, obtained through a widespread number of activities in the marine and offshore field.

At Spares center, based in Rotterdam they are well known suppliers of high quality components for Diesel Engines and related Marine Machinery. With a stock of more than 3000 different parts for Diesel Engines, Compressors, Pumps and Purifiers, they are able to deliver fast and efficient to the vessels of their customers.

SPARK Marine Projects is a multi-disciplinary product design office based in Monaco delivering specialist projects in the superyacht sector that are completed to a high standard and fit for purpose. They help the clients to navigate the production process from initial concept definition and refinement, design and engineering, to manufacturing support and supervision.

Spear Power Systems designs and manufactures advanced lithium-ion energy storage systems for aerospace, defense, industrial, and marine applications.

Established in 2006, Specialist Marine Consultants Limited, or ‘SMC’ as they are widely known, has grown to become a market leader in the marine and energy sectors. They operate on a global scale providing services to the Renewables, Oil & Gas, Marine and Utilities industries.​ Their range of turnkey services support offshore construction, operations & maintenance, and decommissioning operations.

SpecTec is the owner and distributor of the market-pioneering AMOS™ Vessel Management Software and associated services, working across the globe and across the Maritime, Oil & Gas, and Defence industries. AMOS™ software provides a powerful suite of tools to make every aspect of vessel operations smoother and more efficient.

Speedcast is a leading communications and IT services provider, delivering critical communications services to the Maritime, Energy, Mining, Media, Telecom, Cruise, NGO, Government, and Enterprise sectors.

Speedwave GmbH makes almost everything float: from the restoration of vintage cars to prototypes to the series of sailing and motor boats, they make users and their floating dreams come true.