Saildrone is a maritime defense company that provides autonomous systems for defense missions. The company offers services including maritime domain awareness, undersea detection, ocean mapping, and environmental sensing, utilizing sensor technology. It was founded in 2011 and is based in Alameda, California.

XOCEAN is a provider of uncrewed data delivery services in the ocean data sector. The company offers services including seabed mapping, environmental monitoring, and support for offshore wind, utilizing Uncrewed Surface Vessels (USVs) to deliver ocean data solutions. XOCEAN primarily serves sectors such as the offshore wind industry, geophysical research, environmental studies, asset integrity management, bathymetric surveys, and fisheries. It was founded in 2017 and is based in Rathcor, Ireland.

AutoNaut offers autonomous maritime solutions through uncrewed surface vessels (USVs) that utilize wave energy for propulsion. These vessels operate in various marine environments and are used for environmental monitoring, maritime surveillance, and data collection without carbon-based fuels. AutoNaut USVs gather meteorological and oceanographic data, monitor water quality, and serve as communications gateways for applications including marine research and offshore industry. It is based in West Sussex, England.

Sealartec is a company that operates within the maritime technology sector. They develop technologies that enable the deployment and recovery of unmanned marine vehicles in sea conditions. Sealartec's solutions are for integration onto platforms, providing support from conceptual to operational stages. It was founded in 2018 and is based in Be'er Sheva, Israel.

Exocetus Autonomous Systems is a company that specializes in the design and production of autonomous underwater vehicles, operating within the maritime technology sector. The company's main product is a type of underwater glider that can adapt to changing water conditions without user interaction, and is designed to carry multiple sensors for long duration sensing needs. The company primarily serves sectors such as offshore wind, oil and gas, aquaculture, security and defense, marine mammal monitoring, and environmental monitoring. It was founded in 2016 and is based in Middletown, Connecticut.

Terradepth is a company that provides ocean data services, utilizing autonomous underwater vehicles (AUVs) within the maritime and energy sectors. Their offerings include AUVs for subsea surveys, geospatial data management, and an interface for visualizing and managing maritime data sets. Terradepth serves the energy and infrastructure, maritime services, and government sectors. It was founded in 2018 and is based in Cedar Park, Texas.