Company lists · Data refreshed September 2026

Top 25 Subsea equipment suppliers worldwide

RevenueBase identified 1,433 company matches for subsea equipment suppliers worldwide as of September 2026 and tracks 45,046 professional contacts across them, including 8,668 with verified work emails. The United Kingdom is the largest market and Houston the largest hub.

This list covers company matches for subsea equipment suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for subsea equipment suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
1,433Companies
45,046Contacts tracked
8,668Verified emails
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The 25 largest subsea equipment suppliers worldwide

Ranked by team size
Top 25 of 1,433 company matches for subsea equipment suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRio De Janeiro, BrazilHQ recorded Sep 22, 20261,001-5,0002,427 contacts →

Exact match

“A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchBrazilHQ recorded Sep 22, 2026n/a2,224 contacts →

Exact match

“Rov company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchKinderdijk, NetherlandsHQ recorded Sep 22, 20261,001-5,0001,712 contacts →

Exact match

“Royal IHC is a leading supplier of maritime technology and expert craftsmanship.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Sep 22, 20261,001-5,0001,375 contacts →

Exact match

“DeepOcean is a technology-driven, independent solution provider in the ocean space.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 22, 2026201-5001,279 contacts →

Exact match

“(Underwater Engineering) S.A.L was established in 1976.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchYantai, ChinaHQ recorded Sep 22, 202610001+720 contacts →

Exact match

“Yantai CIMC Raffles Offshore Technology Group Co, Ltd.(“CIMC Raffles”) is a leading offshore engineering and high-end marine equipment group in China, with a strong focus on the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchLafayette, LA, United StatesHQ recorded Sep 22, 2026501-1,000672 contacts →

Exact match

“Oceaneering International, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 22, 20261,001-5,000635 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchSharjah, United Arab EmiratesHQ recorded Sep 22, 2026501-1,000618 contacts →

Exact match

“Unique Group is a leading specialist and integrated engineering solutions provider across the global subsea, renewables, oil and gas, and defence industries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Sep 22, 2026501-1,000575 contacts →

Exact match

“Seagems is a Brazilian company specialized in subsea services, a joint venture between two international key players in their markets, Paratus Energy and Sapura Energy.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchLittleport, United StatesHQ recorded Sep 22, 2026501-1,000553 contacts →

Exact match

“JDR Cable Systems, part of the TFKable Group, is a global leader in providing power and control solutions for the offshore energy market.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchAberdeen, United KingdomHQ recorded Sep 22, 2026201-500516 contacts →

Exact match

“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchElefsina, GreeceHQ recorded Sep 22, 2026501-1,000478 contacts →

Exact match

“ASSO group is a technology driven company specialized to provide services and sub-sea equipment for underwater works in the marine and offshore field.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchLagos, NigeriaHQ recorded Sep 22, 2026201-500409 contacts →

Exact match

“HydroDive provides a broad range of Marine Vessels, Air, Mixed Gas and Saturation Diving, ROV, AUV and Survey Services primarily to the offshore & inshore Petroleum Industry of…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchDammam, Saudi ArabiaHQ recorded Sep 22, 2026501-1,000404 contacts →

Exact match

“This page is dedicated to Mermaid Subsea Saudi Arabia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchWesthill, United KingdomHQ recorded Sep 22, 2026501-1,000368 contacts →

Exact match

“Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchDordrecht, NetherlandsHQ recorded Sep 22, 2026201-500364 contacts →

Exact match

“N-Sea is an end-to-end subsea services provider.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBergen Op Zoom, NetherlandsHQ recorded Sep 22, 2026201-500344 contacts →

Exact match

“Beginning life in 1957 as the Vriens Diving Company, DCN has steadily grown in its niche market to become a significant global provider of engineered subsea solutions to the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchChelmsford, United KingdomHQ recorded Sep 22, 2026501-1,000339 contacts →

Exact match

“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSriracha, ThailandHQ recorded Sep 22, 2026501-1,000318 contacts →

Exact match

“Mermaid Subsea today operates as a unified structured unit across markets offering customers a comprehensive range of subsea solutions through a highly competent technical and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchWallsend, United KingdomHQ recorded Sep 22, 202651-200292 contacts →

Exact match

“SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchEsbjerg V, FranceHQ recorded Sep 22, 2026201-500290 contacts →

Exact match

“The MacArtney Group supplies products and engineering solutions to the worldwide Underwater Technology Market.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchIndiaHQ recorded Sep 22, 2026201-500279 contacts →

Exact match

“Dolphin Offshore”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchJacksonville, FL, United StatesHQ recorded Sep 22, 2026201-500268 contacts →

Exact match

“Founded in 1975, W&O is one of the world’s largest suppliers of pipe, valves, fittings as well as actuation and engineered solutions to the maritime, and upstream oil and gas…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 22, 2026201-500267 contacts →

Exact match

“SAFEEN Survey & Subsea Services is a premier provider of integrated offshore survey, diving and subsea engineering solutions across the UAE, GCC and globally.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,433 subsea equipment suppliers worldwide

See the full list, filter by size, metro and specialty, and access 8,668 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea equipment suppliers worldwide at a glance

As of Sep 22, 2026
19.2%Verified-email coverage
31.4Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · Houston
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
541
11-50
521
51-200
254
201-500
69
501-1,000
22
1,001-5,000
16
10001+
5

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for subsea equipment suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “subsea equipment suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 8,668 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Subsea equipment suppliers by location

6 lists · largest first

Every Subsea equipment suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “subsea equipment suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea equipment suppliers are there worldwide?

RevenueBase identified 1,433 company matches for subsea equipment suppliers worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

OCYAN tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most subsea equipment suppliers?

The United Kingdom leads with 225 companies, followed by the United States (189) and Norway (101). Every subsea equipment suppliers list by country and city is linked on this page.

Which city has the most subsea equipment suppliers?

Houston leads with 60 company records, followed by Aberdeen (45) and Singapore (45).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,668 professional contacts with verified work emails tracked across these 1,433 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.