Seafloor Systems, Inc. provides total solutions for the hydrographic survey industry. They carry a full spectrum of equipment, software, and personnel to ensure the success of the customers.

Seakeeper is the pioneer in marine motion control. Founded in 2003 by a successful entrepreneur and a naval architect, Seakeeper invested in five years of R&D before introducing its first product to the marketplace in 2008. Since then, Seakeeper has grown from a start-up operation to the worldwide pioneer in at-rest and underway vessel stabilisation.

Sealift Inc. is a privately held company, incorporated in New York, established in 1975. Originally Sealift was a ship brokerage house specialising in paper, rice, general cargo and operating breakbulk liner services to the Mediterranean and from Brazil. Currently, the company operates half a dozen U.S. Flag, ocean-going ships and charters in dozens of foreign flag vessels annually.

Sea River Maritime Inc is a subsidiary owned by ExxonMobil. The company was formed in the early 1990s when ExxonMobil spun off its maritime operations.

SeaRobotics is a premier marine robotics product development company. They boast extensive experience in maritime unmanned systems including remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs), unmanned surface vehicles (USVs) and the integration of various sophisticated sensing subsystems.

Seaward Marine Services conducts underwater search and recovery operations, Seaward Marine has become the diving services pioneer in the field of underwater ship husbandry: underwater hull cleaning, inspection, and maintenance. Seaward Marine has successfully developed and applied non-destructive testing and other diagnostic methods, both underwater and in a variety of dry venues.

Established in 1981, Seaward Services, Inc. (SSI) is a full-service shipping, waterfront logistics and management company that specialises in the operation and maintenance of government and commercial vessels, including: high-speed craft, range craft, training craft, experimental craft, research vessels, cable-laying vessels, and unmanned surface and sub-surface vessels.

Seminole Marine in the West Palm Beach area of South Florida offers both a 75-metric-ton and a 100-metric-ton Travelift. They can accommodate boats up to 100′ in length (depending on the beam and weight).

Senesco Marine LLC is the premier Northeast builder of double-hulled barges, tugboats, and other vessels. They provide the customers with on-time delivery and unmatched quality and workmanship backed by our highly-skilled employees. This same commitment carries right through to their Repair Division, offering repair work and dry dock services.

Sensenich Propeller was established in 1932 to manufacture fixed pitch wood aircraft propellers for the growing aviation market. In 1949, they began to manufacture wood propellers for the burgeoning airboat market. Aluminium propellers for aircraft was added to product line in the 1950’s. During the 1960’s the use of UAV’s became prevalent and Sensenich was right there with propellers for the new industry.

For more than a century, Shakespeare has built a tradition on quality products and service, excellence in everything they do, and a drive for innovation. Their pioneering ideas have made Shakespeare the most trusted brand in the marine antenna industry. Known for superior dependability, durability, and performance, their products are the gold standard in the industry.

The award-winning Sharrow Propeller was invented by Gregory Sharrow and developed by Sharrow Engineering LLC, a Philadelphia-based nautical and aeronautical design firm. In 2019, Sharrow Marine was launched by Sharrow Engineering for all nautical applications for the Sharrow Propeller. Sharrow Engineering offers a variety of innovative, energy-saving propellers -- each custom-designed and scientifically suited for client's specific needs.

ShipBots offers simple, affordable and fast ecommerce fulfillment for brands large and small. Headquartered in the heart of Los Angeles and just minutes from the Long Beach port, ShipBots offers many competitive advantages to help sellers succeed and focus more on their business.

ShipMoney is an industry renowned provider of payment solutions for maritime companies throughout the world. They leverage a proprietary digital platform and an innovative suite of services to help their clients cut costs, maximise efficiencies, and provide significant value for their seafarers.

ShipSafe® is dedicated to develop innovative logistics solutions that increases operational efficiency, lowers operating costs, and reduces overall errors in the maritime shipping industry. ShipSafe® IT Suite and Inspections Suite is the proactive platform for what’s next in Cyber Security & Vessel Inspections leveraging AI/AR. They are a team of people who understand maritime environment, information technology and cyber security.

Shoreline Marine has satisfied boat sales and service needs for over 27 years. They specialize in hardcore fishing boats such as center consoles, bay boats, and flats boats as well as family fishing boats such as walkarounds and pontoon boats.

Skyports Drone Services is a provider and operator of eVTOL drone solutions for cargo drone deliveries, survey and monitoring.

At Smit Salvage, Donjon Marine Co, their mission is to provide swift, cost-effective, environmentally conscious OPA-90 and related maritime salvage, firefighting and lightering services to every tank or non-tank vessel trading in U.S. waters.

Smith Maritime’s vessels operate primarily between the U.S., Caribbean, Mexico, and Central & South America. When opportunity arises they also operate in Europe, the Mediterranean Sea, West Africa & the Pacific. Their history is one of dedicated service with a superior tow and safety record. During these 45+ years, they have towed vessels of every description all over the world.

Sonardyne Inc. provides underwater navigation, positioning, communication, imaging and monitoring technology for energy, defense, and science.

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.

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.

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.

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.

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.

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.

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.