Company lists · Data refreshed November 2026

Top 25 Offshore platform operators worldwide

RevenueBase identified 1,764 company matches for offshore platform operators worldwide as of November 2026 and tracks 254,878 professional contacts across them, including 39,448 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for offshore platform operators 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 5, 2026. Country and city lists for offshore platform operators 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 5, 2026 How this list was built
1,764Companies
254,878Contacts tracked
39,448Verified emails
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The 25 largest offshore platform operators worldwide

Ranked by team size
Top 25 of 1,764 company matches for offshore platform operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchZug, SwitzerlandHQ recorded Nov 5, 20261,001-5,00011,020 contacts →

Exact match

“Transocean is a leading international provider of offshore contract drilling services for oil and gas wells.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20265,001-10,0009,397 contacts →

Exact match

“SBM Offshore is the world’s deepwater ocean-infrastructure expert.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSharjah, United Arab EmiratesHQ recorded Nov 5, 20265,001-10,0006,498 contacts →

Exact match

“With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 5, 202610001+6,404 contacts →

Exact match

“Nabors Industries is a leading provider of advanced technology for the energy industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 5, 20265,001-10,0006,077 contacts →

Exact match

“Noble is a leading offshore drilling contractor for the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondres, United KingdomHQ recorded Nov 5, 20265,001-10,0005,669 contacts →

Exact match

“Founded over thirty years ago, Perenco is an independent hydrocarbon producer involved in the entire lifecycle of projects, from exploration to decommissioning.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchChuo-ku, JapanHQ recorded Nov 5, 20265,001-10,0005,542 contacts →

Exact match

“MODEC has been a leading provider of solutions for the floating offshore oil and gas market for over 50 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchHouston, United StatesHQ recorded Nov 5, 20261,001-5,0005,319 contacts →

Exact match

“Seadrill is setting the standard in deepwater oil and gas drilling.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchHouston, United StatesHQ recorded Nov 5, 20265,001-10,0003,352 contacts →

Exact match

“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 5, 20261,001-5,0002,991 contacts →

Exact match

“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPorto Alegre, BrazilHQ recorded Nov 5, 20261,001-5,0002,955 contacts →

Exact match

“Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchDubai, United Arab EmiratesHQ recorded Nov 5, 20261,001-5,0002,887 contacts →

Exact match

“Shelf Drilling is a wholly owned subsidiary of ADES Holding Company, a leading international oil and gas drilling services provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLeiden, NetherlandsHQ recorded Nov 5, 20261,001-5,0002,841 contacts →

Exact match

“Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchChâtel-saint-denis, United StatesHQ recorded Nov 5, 20261,001-5,0002,837 contacts →

Exact match

“Allseas is a world-leading contractor in the offshore energy market.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 5, 20261,001-5,0002,752 contacts →

Exact match

“Malaysia Marine and Heavy Engineering Holdings Berhad (MHB) is a globally trusted energy and marine solutions provider for a wide range of offshore and onshore facilities and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchAl-khobar, Saudi ArabiaHQ recorded Nov 5, 20261,001-5,0002,473 contacts →

Exact match

“Zamil Offshore Services Company has been offering diversified offshore and marine support services to the oil and gas industry since 1977.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
18Exact matchComuna 1, ArgentinaHQ recorded Nov 5, 20261,001-5,0002,324 contacts →

Exact match

“Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAl-khobar, Saudi ArabiaHQ recorded Nov 5, 20265,001-10,0002,169 contacts →

Exact match

“We are the region’s trusted onshore and offshore oil & gas drilling company with an extensive track record of operational excellence and advanced capabilities that have enabled…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchCairo, EgyptHQ recorded Nov 5, 20265,001-10,0002,168 contacts →

Exact match

“EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 5, 20261,001-5,0002,100 contacts →

Exact match

“ZMI Holdings an ADNOC L&S company THE NEW WAVE Transforming the Offshore Energy Industry An integrated service provider offering unparalleled commitment.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMacaé, BrazilHQ recorded Nov 5, 20261,001-5,0002,045 contacts →

Exact match

“No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchFontvieille, MonacoHQ recorded Nov 5, 20265,001-10,0002,035 contacts →

Exact match

“Dietsmann is the leading independent specialist in Operation & Maintenance services for continuous-production plant in the oil & gas and power industries with over 40 years of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchOslo, NorwayHQ recorded Nov 5, 2026501-1,0002,012 contacts →

Exact match

“BW Offshore engineers innovative floating production solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchFranceHQ recorded Nov 5, 20265,001-10,0001,953 contacts →

Exact match

“The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,764 offshore platform operators worldwide

See the full list, filter by size, metro and specialty, and access 39,448 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore platform operators worldwide at a glance

As of Nov 5, 2026
15.5%Verified-email coverage
144.5Average contacts per company
51-200Median size (employees)
3.9%Largest-city concentration · Houston
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
339
11-50
527
51-200
384
201-500
220
501-1,000
115
1,001-5,000
131
5,001-10,000
26
10001+
18

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 offshore platform operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore platform operators” 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 39,448 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 5, 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.

Offshore platform operators by location

17 lists · largest first

Every Offshore platform operators 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 “offshore platform operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore platform operators are there worldwide?

RevenueBase identified 1,764 company matches for offshore platform operators 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?

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

Which country has the most offshore platform operators?

The United States leads with 253 companies, followed by Nigeria (135) and the United Kingdom (111). Every offshore platform operators list by country and city is linked on this page.

Which city has the most offshore platform operators?

Houston leads with 68 company records, followed by Singapore (61) and Dubai (32).

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 39,448 professional contacts with verified work emails tracked across these 1,764 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 5, 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.