Company lists · Data refreshed September 2026
Subsea equipment manufacturers: the worldwide list
RevenueBase identified 718 subsea equipment manufacturers across the 8 countries with a published list, as of September 2026, and tracks 24,556 professional contacts across them, including 5,962 with verified work emails and 0 with mobile numbers. The United States is the largest market and Houston the largest hub.
This is the worldwide list of subsea equipment manufacturers: the 8 country lists RevenueBase publishes for the category, summed and ranked as one. The company count is that sum, not a census of every company on earth; a country with no published list is not counted. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 18, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest subsea equipment manufacturers across the 8 countries with a published list
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 823 contacts → | ||||
Strong evidence “YOUR SINGLE SOURCE FOR SUBSEA SOLUTIONS FROM EQUIPMENT TO EXPERIENCE, C-INNOVATION IS THE SUBSEA SOLUTION C-Innovation (C-I) is an integrated marine services company specializing…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 672 contacts → | ||||
Indirect evidence “Oceaneering International, Inc.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 635 contacts → | ||||
Strong evidence “Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 618 contacts → | ||||
Partial evidence “Unique Group is a leading specialist and integrated engineering solutions provider across the global subsea, renewables, oil and gas, and defence industries.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 575 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 553 contacts → | ||||
Indirect evidence “JDR Cable Systems, part of the TFKable Group, is a global leader in providing power and control solutions for the offshore energy market.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 516 contacts → | ||||
Partial evidence “Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 368 contacts → | ||||
Partial evidence “Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 344 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 339 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 314 contacts → | ||||
Partial evidence “PetrolValves is a leading manufacturer of valves and actuators for the oil and gas industry.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 299 contacts → | ||||
Strong evidence “Sara Sae Private Limited manufactures a diverse range of oilfield equipments thru its state of art manufacturing facilities located in Dehradun, India.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 292 contacts → | ||||
Strong evidence “SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 267 contacts → | ||||
Partial evidence “SAFEEN Survey & Subsea Services is a premier provider of integrated offshore survey, diving and subsea engineering solutions across the UAE, GCC and globally.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 259 contacts → | ||||
Partial evidence “Trendsetter is a global provider of specialized subsea solutions to the oil and gas industry's toughest challenges.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 255 contacts → | ||||
Indirect evidence “ATV is a privately owned company whose mission is to serve the Energy Industry with flow control solutions to the highest standards of quality and reliability.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 238 contacts → | ||||
Partial evidence “Dulam International is a leading provider of subsea services to the oil and gas industry in the Middle East and Indian Subcontinent.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 233 contacts → | ||||
Partial evidence “AKOFS Offshore is a global provider of vessel based subsea well construction and intervention services to the oil and gas industry.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 199 contacts → | ||||
Indirect evidence “Imenco is a group of companies working mainly in five main business areas: Offshore oil & gas, offshore renewables, aquaculture, marine & naval and industrial.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 187 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 185 contacts → | ||||
Partial evidence “We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 180 contacts → | ||||
Strong evidence “Express Engineering manufacturer turnkey products that control and connect subsea equipment.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 175 contacts → | ||||
Partial evidence “Aqueos is a 'World Class Subsea Service Provider℠' with our core values being a commitment to “excellence” and our dedication to an “accident-free” workplace.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 172 contacts → | ||||
Strong evidence “Seamless Integration Magnum Technology Center designs and manufactures complete equipment packages for Well Testing, Early Production Facilities, Underbalanced Drilling and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 170 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: subsea equipment manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names subsea equipment manufacturers.
- Partial evidence
- Its own public description names part of subsea equipment manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name subsea equipment manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 718 subsea equipment manufacturers across the 8 countries with a published list
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Subsea equipment manufacturers worldwide at a glance
As of Sep 18, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among subsea equipment manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- This worldwide list is the sum of the 8 country lists RevenueBase publishes for subsea equipment manufacturers, largest first: the United States, the United Kingdom, Norway, the United Arab Emirates, Brazil, India, the Netherlands, Italy. Its company and contact totals add up those lists, so they understate the true worldwide figures: a country with no published list is not counted. The ranked table is exact across the countries covered, the largest companies of every country list ranked together with duplicates removed.
- What qualifies
- Companies worldwide whose own description of what they do matches “subsea equipment manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names subsea equipment manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among subsea equipment manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 5,962 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- The country lists behind this page were pulled from the company graph on September 18, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Subsea equipment manufacturers by location
8 lists · largest firstEvery Subsea equipment manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date; the worldwide figures above are the sum of the 8 country lists.
Countries
- Subsea equipment manufacturers based in the United States198
- Subsea equipment manufacturers based in the United Kingdom196
- Subsea equipment manufacturers based in Norway104
- Subsea equipment manufacturers based in the United Arab Emirates56
- Subsea equipment manufacturers based in Brazil55
- Subsea equipment manufacturers based in India50
- Subsea equipment manufacturers based in the Netherlands30
- Subsea equipment manufacturers based in Italy29
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names subsea equipment manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many subsea equipment manufacturers are there worldwide?
RevenueBase identified 718 subsea equipment manufacturers across the 8 countries with a published list, as of September 2026, matched on each company's own description of what it does rather than its industry code. The figure is the sum of those country lists, not a census of every company worldwide.
What is the largest company on this list?
C-Innovation, LLC, headquartered in Mandeville, tops this list with the largest team on record.
Which country has the most subsea equipment manufacturers?
The United States leads with 198 companies, followed by the United Kingdom (196) and Norway (104). Every country with a published subsea equipment manufacturers list is linked on this page.
Which city has the most subsea equipment manufacturers?
Houston leads with 59 headquartered companies, followed by Aberdeen (40) and Dubai (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,962 verified decision-maker contacts tracked across these 718 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. The country lists behind this page were pulled from the company graph on September 18, 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 Smart Search, 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.