Company lists · Data refreshed November 2026

Top 25 Subsea valve service providers worldwide

RevenueBase identified 3,351 company matches for subsea valve service providers worldwide as of November 2026 and tracks 84,475 professional contacts across them, including 17,780 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for subsea valve service providers 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 November 6, 2026. Country and city lists for subsea valve service providers 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 Nov 6, 2026 How this list was built
3,351Companies
84,475Contacts tracked
17,780Verified emails
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The 25 largest subsea valve service providers worldwide

Ranked by team size
Top 25 of 3,351 company matches for subsea valve service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchBrazilHQ recorded Nov 6, 2026n/a2,408 contacts →

Exact match

“Rov company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,0002,402 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRancho Santa Margarita, United StatesHQ recorded Nov 6, 20261,001-5,0002,277 contacts →

Exact match

“We are a global specialist engineering company that creates breakthrough solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNiterói, BrazilHQ recorded Nov 6, 20261,001-5,0001,847 contacts →

Exact match

“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0001,607 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-5001,344 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUnited Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,319 contacts →

Exact match

“Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGlasgow, United KingdomHQ recorded Nov 6, 20261,001-5,0001,275 contacts →

Exact match

“Trillium Flow Technologies™, founded on a legacy of premier products and service, will provide mission critical valves, pumps and aftermarket services in oil and gas, power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChennai, IndiaHQ recorded Nov 6, 2026501-1,0001,228 contacts →

Exact match

“L&T Valves • Global leader in industrial valves with an experience of 6 decades • Subsidiary of Larsen & Toubro, USD 21 billion technology and engineering conglomerate • Over 20…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+1,103 contacts →

Exact match

“For more than 85 years, Tuboscope™ has provided the industry with tubular expertise and an integrated suite of value-added solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMacaé, BrazilHQ recorded Nov 6, 2026501-1,000687 contacts →

Exact match

“A SISTAC é líder no segmento de inspeção, manutenção e reparo offshore na indústria de óleo e gás no Brasil, através de acesso com embarcações de apoio marítimo, mergulhadores…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEdmonton, TX, CanadaHQ recorded Nov 6, 20261,001-5,000675 contacts →

Exact match

“Founded in Edmonton, Alberta in 1962, Stream-Flo Industries Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, United StatesHQ recorded Nov 6, 20261,001-5,000649 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSharjah, United Arab EmiratesHQ recorded Nov 6, 2026501-1,000643 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro - Rj, IndiaHQ recorded Nov 6, 20261,001-5,000603 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 Vantris Energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,000603 contacts →

Exact match

“ABOUT US We are a multinational inspection, repair and maintenance company that operates in the oil, gas and energy sector with Efficiency, Safety and Sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026201-500564 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchElefsina, GreeceHQ recorded Nov 6, 2026501-1,000541 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUlsteinvik, NorwayHQ recorded Nov 6, 2026501-1,000538 contacts →

Exact match

“Island Offshore - The Island Offshore Group is a leading provider of services to the offshore industry ranging from Platform Supply, Walk-to-work and Anchor Handling to Advanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHaugesund, NorwayHQ recorded Nov 6, 2026501-1,000488 contacts →

Exact match

“Reach Subsea is an offshore contractor delivering subsea services and ocean data, survey, inspection, maintenance and repair, and construction support for offshore energy and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRivanazzano Terme, ItalyHQ recorded Nov 6, 2026501-1,000486 contacts →

Exact match

“We are an Italian multinational group specialized in the design, production and global supply of valves, gas and fire-fighting systems, fittings, for the energy, marine and civil…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDordrecht, NetherlandsHQ recorded Nov 6, 2026201-500447 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDammam, Saudi ArabiaHQ recorded Nov 6, 2026501-1,000428 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKintore, United KingdomHQ recorded Nov 6, 2026201-500417 contacts →

Exact match

“Australia, Canada, Malaysia, Oman, Qatar, UAE, UK and USA STATS Group are market leaders in the supply of pressurised pipeline isolation, hot tapping and plugging services to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500399 contacts →

Exact match

“Oswal Industries Limited (OIL) is a leading manufacturer of Gate, Globe, Check & Ball, Cryogenic & Pressure Seal Valves in India OIL has India’s largest single location integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,351 subsea valve service providers worldwide

See the full list, filter by size, metro and specialty, and access 17,780 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea valve service providers worldwide at a glance

As of Nov 6, 2026
21.0%Verified-email coverage
25.2Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,044
11-50
1,328
51-200
655
201-500
182
501-1,000
61
1,001-5,000
33
10001+
9

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 valve service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “subsea valve service providers” 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 17,780 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 November 6, 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 valve service providers by location

26 lists · largest first

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

Countries

Cities

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 valve service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea valve service providers are there worldwide?

RevenueBase identified 3,351 company matches for subsea valve service providers worldwide as of November 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?

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

Which country has the most subsea valve service providers?

The United States leads with 465 companies, followed by the United Kingdom (330) and Brazil (214). Every subsea valve service providers list by country and city is linked on this page.

Which city has the most subsea valve service providers?

Houston leads with 94 company records, followed by Singapore (67) and Aberdeen (49).

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 17,780 professional contacts with verified work emails tracked across these 3,351 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 November 6, 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.