Subsea Cables & Interconnectors Suppliers

Abyssal

Develops software and digital tools for subsea operations, marine robotics, and offshore project execution.

Porto, Portugal

Provides testing, inspection, certification, and asset integrity services for energy, marine, and industrial clients.

Barcelona, Spain

Ashtead Technology

Specialist subsea equipment rental and solutions provider for offshore energy, including survey, inspection, intervention, and positioning technologies.

Aberdeen, United Kingdom

BIRNS, Inc.

Designs and manufactures subsea electrical connectors, penetrators, and cable assemblies for harsh underwater environments.

Oxnard, United States

Boskalis

Provides offshore energy and marine services including subsea installation, heavy marine transport, and dredging-related support.

Papendrecht, Netherlands

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

C-Innovation

Integrated maritime services company specializing in ROVs, AUVs, subsea construction, survey and positioning, and tooling.

Mandeville, United States

Deep Ocean

Ocean services specialist providing subsea surveys, engineering, project management, installation, maintenance, and recycling for oil and gas and offshore renew

Haugesund, Norway

DOF Group

Delivers integrated marine and subsea services for fixed and floating offshore wind, including cable installation, transport, mooring, repair, and maintenance.

Bergen, Norway

Eidesvik Offshore

Operates offshore service vessels for energy clients, including subsea, construction, and renewable-energy support.

Bømlo, Norway

Forum Energy Technologies

Provides pressure-control equipment, subsea tools, and related service solutions for offshore and drilling markets.

Houston, United States

Fugro

Provides geo-data services, including marine site characterization, geophysical and geotechnical surveys, and inspection services for offshore energy and infras

Leidschendam, Netherlands

Geo Marine Survey Systems

Offers geophysical survey equipment and data processing services.

Schiedam, Netherlands

Glenair

Designs and manufactures high-pressure underwater connectors and interconnect cable assemblies.

Glendale, United States

Global Marine Group

Specialist subsea cable installation, repair, and maintenance services for telecom and power interconnectors.

Chelmsford, United Kingdom

Horizon Geosciences LLC

Provides geophysical survey services including magnetometer and gradiometer acquisition, processing, and UXO analysis.

Abu Dhabi, United Arab Emirates

Hydro Group

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

Aberdeen, United Kingdom

Jan De Nul Group

International dredging and marine engineering company active in coastal protection, reclamation, and dredging works.

Aalst, Belgium

Jee Ltd

Independent subsea engineering company that also runs professional training in subsea systems, pipelines, risers, umbilicals and flexibles.

Tonbridge, United Kingdom

Kongsberg Ferrotech

Uses subsea robots to perform in-situ inspection, maintenance, and repair of underwater assets.

Kongsberg, Norway

Lloyd's Register

Marine classification and technical assurance organization that provides certification and standards work for offshore and subsea assets.

London, United Kingdom

MacArtney

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

Esbjerg, Denmark

Makai Ocean Engineering

Develops offshore and subsea engineering solutions, including marine robotics and underwater technology services.

Honolulu, United States

Marine Magnetics Corp.

Manufactures marine gradiometers and magnetic survey systems for UXO detection, subsea target investigation, and cable or pipeline route surveys.

Toronto, Canada