Subsea Power & Batteries Suppliers

12 subsea suppliers working with subsea power & batteries — Pressure-tolerant batteries, subsea power distribution and charging. This is the axis buyers actually shop on: not "who is a manufacturer", but who supplies the specific system a job needs.

Most are classified mainly as Equipment Manufacturer, Vehicle & Robotics Developer and Testing, Calibration & Certification, serving Ocean Science & Research, Naval & Defence and Environmental Monitoring.

12 companiesRefine in full directory →

Bureau Veritas

International testing and certification company that provides subsea product certification for critical equipment such as power cables and related marine system

Neuilly-sur-Seine, France

Subsea Cables & Interconnectors

Cellula Robotics

Specializes in advanced underwater robotic systems and autonomous underwater vehicles for subsea missions.

Burnaby, Canada

Ocean Science & ResearchEnvironmental Monitoring

DeepSea Power & Light

Designs and manufactures subsea lights and imaging equipment for deep-ocean and underwater applications.

San Diego, United States

Ocean Science & ResearchEnvironmental Monitoring

Hydro Group

Designs and manufactures subsea connectivity products, including production umbilicals, connectors, termination assemblies, and tethers.

Aberdeen, United Kingdom

Subsea Cables & InterconnectorsOffshore Oil & Gas

Kraken Robotics

Designs and sells subsea sensors, sonar, batteries, and AUV-related systems for military and commercial underwater applications.

St. John's, Canada

Naval & Defence

MacArtney

Provides underwater technology solutions including connectivity, instrumentation, and systems integration.

Esbjerg, Denmark

Subsea Cables & InterconnectorsOcean Science & Research

Ocean Infinity

Runs autonomous marine operations and subsea survey services, including uncrewed vessels and data collection for offshore energy and seabed mapping.

Southampton, United Kingdom

Ocean Science & ResearchHydrography & Charting

Ocean Power Technologies

Maritime autonomy and ocean systems company that provides trusted operator training for uncrewed maritime systems.

Monroe Township, United States

Naval & DefenceOffshore Oil & Gas

Ocius Technology

Builds persistent autonomous surface vessels powered by renewable energy for ocean monitoring, surveillance, and maritime data gathering.

Sydney, Australia

Naval & DefenceOcean Science & Research

OneSubsea

Subsea equipment and systems business that delivers integrated subsea production, controls, processing, and services for offshore energy.

Sandnes, Norway

Offshore Oil & Gas

Proserv

Designs and services subsea control systems, electronics, and well intervention equipment for offshore oil and gas operations.

Aberdeen, United Kingdom

Offshore Oil & Gas

SubCtech GmbH

Designs marine monitoring systems for surface and subsea vessels, including environmental and oceanographic sensing equipment used in challenging offshore condi

Kiel, Germany

Ocean Science & ResearchEnvironmental Monitoring

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