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 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.

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.

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

At Spencer Yachts, ideas can become a reality in a Sport Fishing Yacht unequaled in style, performance, and value. Spencer Yachts has taken the Carolina style and tradition of boat building with a unique look and transformed it into a World Class and high performance Sport Fishing Yacht.

Founded in 2017, Spinframe Technologies is transforming the automotive industry with AI-driven vehicle assessments resulting in precise analytics and new documentation standards. Spinframe Technologies develops products based on 360⁰ photo technologies for advertising, marketing and operations, including visual damage monitoring of vehicles. The company assists international organizations, including importers, key agents and automotive companies.

Spire Global is a space-to-cloud analytics company that owns and operates the largest multi-purpose constellation of satellites. Its proprietary data and algorithms provide the most advanced maritime, aviation, and weather tracking in the world. In addition to its constellation, Spire’s data infrastructure includes a global ground station network and 24/7 operations that provide real-time global coverage of every point on Earth.

Spot Ship is the ship broker’s digital assistant. Utilising powerful AI and machine learning tools, they enable customers to leverage their data at incredible speed. They provide chartering solutions that allow clients to increase profitability, while reducing the admin burden.

With marine terminal and rail yard operations in more than 250 strategic locations around the world, SSA Marine is unmatched in skill, experience and productivity. Because they believe in making intentional investments in people, places and practices that optimize customer service and efficiency at every handling point.

SSE Renewables is a globally renowned developer and operator of renewable energy across the United Kingdom and Ireland. They aim to be the largest and most efficient developer and operator of onshore and offshore wind in the UK and Ireland, with the additional aim of expanding into further markets.

SSI makes it easy to solve the shipbuilding industry’s unique challenges by empowering shipbuilders to focus on the business of shipbuilding. They realize the rapidly evolving technologies that define the future of the industry and understand how to implement them specifically for shipbuilders.

Stadler has been building trains for 80 years. Stadler provides a comprehensive range of products in the heavy and urban transport segments: high-speed trains, intercity trains, regional and commuter heavy rail trains, underground trains, tram trains and trams. Stadler also manufactures main-line locomotives, shunting locomotives and passenger carriages, including the most powerful diesel-electric locomotive in Europe.

STADT is a privately owned company located in Gjerdsvika, on the north-western part of Norway. Their main business is integrated electric propulsion systems for medium and large size vessels. STADT also designs and delivers custom made, state of the art, marine switchboards tailored to customers needs.

As the UK’s largest independent bulk liquid storage provider, Stanlow Terminals Ltd is committed to ensuring all their bulk liquid storage needs are met, to ensure they deliver on their promise of ‘storage excellence’.

Star Container Services is a transportation/trucking/railroad company, which is based out of Maasvlakte, Rotterdam, Netherlands.

Star Marine is a global leader in marine chemicals. They produce and provide cleaning solutions and related products for the merchant marine industry. Their extensive range of products is perfectly suited to clean, maintain and ensure maximum performance of different ship types.

Starburst is an innovation catalyst in the aerospace & defence industry. They are the first and only global aerospace & defence accelerator, connecting startups with corporates, investors and government, while providing strategic growth and investment consulting services for all.

Starlight Marine has been actively engaged in the ship assist and tanker escort business of the maritime industry since 1998. Since then, they have grown to be a provider of assist and escort services providing quality service to major shipping lines and oil companies.

Statkraft is a company in hydropower internationally and Europe’s largest generator of renewable energy. The Group produces hydropower, wind power, solar power, gas-fired power and supplies district heating. Statkraft is a global company in energy market operations. Statkraft has 4,800 employees in 19 countries.

STC Group is a worldwide operating educational and research institution for the shipping, logistics, transport and process industries. STC Group furthermore offers business courses and training for professionals. STC Group participates in international activities and has offices in the Netherlands and abroad. The organisation’s headquarter are located in mainport Rotterdam, in the Netherlands.

Steele Environmental LLC are on a dual mission: Reduce greenhouse gas emissions and improve fuel efficiency to leave the planet in better condition than the way it is today. The company is headquartered in California, the leading state for reducing air pollution in the USA.

Steiner Shipyard is a small family-owned and operated shipyard with many of the same capabilities as that of larger shipyards. Located in Bayou La Batre, Alabama, Steiner builds all types of new construction steel or aluminum vessels - from passenger/cargo ferries, inland river push boats and offshore supply vessels, to commercial fishing trawlers - delivered all over the world.

Steinsvik is the globally renowned technology supplier to the global aquaculture and marine industry. They offer a wide range of products in feeding technology, monitoring systems, software, water engineering and parasite control solutions.

Stena Bulk, founded in 1982, is the world’s pioneering tanker shipping company, providing safe and cost-efficient transport of crude oil and refined petroleum at sea. This requires a holistic perspective – from development and construction to crewing and chartering of first-class tankers. Customers are major oil and chemical companies. They all have high demands on maximum safety, flexibility, and transport economy.

Stena RoRo is one of the leading innovators of the roll on/roll off cargo and passenger concepts. Stena RoRo enables chartering of RoRo vessels to first-class operators all over the world and our clients are found both outside and within the Stena Sphere.

For more than 50 years, steute Schaltgeräte has been developing and manufacturing sensors and control units that meet the highest standards of quality and reliability. The steute portfolio encompasses a wide range of standard products, as well as numerous customized devices, and is divided into four business areas: Wireless, Automation, Extreme, and Meditec.

Founded in 2001 as an independent company, Steyr Motors draws from the extensive know-how and experience to provide top-class products and services in the field of propulsion and power generation. Today, Steyr Motors is a globally renowned expert in engineering and manufacturing of high-performance engines.

STI designs, routes and draws piping systems for renowned Mega Yacht Builders, commercial shipping industry and for process industry. Examples are complete engine room lay outs, complete piping-, ducting- and cable tray lay-outs for hull and superstructure of ships and yachts as well as of piping systems for process installations.

Stiftelsen Det Norske Veritas is a free-standing, autonomous and independent foundation whose purpose is to safeguard life, property and the environment. This purpose is achieved through its ownership of companies – of which the most important is the DNV group, a classification, certification and technical assurance and advisory company.

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.