Subsea systems, survey & marine robotics

A directory of the companies building and operating equipment below the waterline, alongside technical coverage of how it works.

272 suppliers · 28 countries · 34 capabilities

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115

Equipment Manufacturer

Designs and builds subsea hardware — sensors, housings, connectors, lighting, handling systems.

57

Vehicle & Robotics Developer

Builds AUVs, ROVs, USVs, gliders and crewed submersibles.

24

Survey Contractor

Delivers hydrographic, geophysical and geotechnical survey as a service.

38

Subsea Services & Intervention

IMR, subsea construction support, and offshore intervention campaigns.

14

Diving Contractor

Commercial air and saturation diving operations. A distinct IMCA division, and a distinct safety and certification regime.

39

Vessel Operator

Owns or charters survey, support, construction and dive-support vessels.

43

Systems Integrator

Combines vehicles, sensors and software from multiple vendors into a working spread.

46

Software & Data Services

Acquisition, processing, positioning and data-management software; hydrographic data processing as a service.

19

Rental & Leasing

Short-term hire of vehicles, sensors and complete spreads — a large share of how subsea equipment actually reaches a job.

19

MRO & Refurbishment

Maintenance, repair, overhaul and refurbishment of fielded subsea equipment.

57

Engineering & Consultancy

Naval architecture, subsea engineering, geotechnical interpretation and technical advisory.

30

Testing, Calibration & Certification

Pressure testing, sensor calibration, tank facilities and third-party verification.

7

Training Provider

ROV pilot, commercial diving, hydrographic and offshore survival training.

4

Research Institute

Oceanographic institutes and university groups — significant operators of subsea equipment in their own right, not only buyers.

22

Distributor & Reseller

Represents and resells third-party subsea products, often regionally.

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