Company lists · Data refreshed November 2026

Top 25 Offshore platform maintenance services worldwide

Name: Offshore platform maintenance services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 4,225 companies tracked

RevenueBase identified 4,225 company matches for offshore platform maintenance services worldwide as of November 2026 and tracks 214,689 professional contacts across them, including 30,333 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for offshore platform maintenance services 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 maintenance services 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

4,225Companies

214,689Contacts tracked

30,333Verified emails

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The 25 largest offshore platform maintenance services worldwide

Ranked by team size

Top 25 of 4,225 company matches for offshore platform maintenance services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Transocean	Exact match	Zug, SwitzerlandHQ recorded Nov 5, 2026	1,001-5,000	11,020 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
2	Noble Corporation	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,077 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
3	MODEC	Exact match	Chuo-ku, JapanHQ recorded Nov 5, 2026	5,001-10,000	5,542 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
4	Engeman	Exact match	Recife, BrazilHQ recorded Nov 5, 2026	5,001-10,000	3,210 contacts →
	Exact match “Fundada em 1983, a Engeman atua com excelência no desenvolvimento de soluções para os diversos setores da indústria.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Nov 5, 2026	1,001-5,000	2,955 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
6	Brand Energy & Infrastructure Services	Exact match	Judet, United KingdomHQ recorded Nov 5, 2026	10001+	2,842 contacts →
	Exact match “Brand Energy & Infrastructure Services supports customers’ maintenance, turnaround and refurbishment needs as well as new construction, capital-driven upgrades and expansion…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Allseas	Exact match	Châtel-saint-denis, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,837 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
8	Malaysia Marine & Heavy Engineering	Exact match	Kuala Lumpur, MalaysiaHQ recorded Nov 5, 2026	1,001-5,000	2,752 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
9	Brasfels	Exact match	Angra Dos Reis, BrazilHQ recorded Nov 5, 2026	5,001-10,000	2,582 contacts →
	Exact match “Empresa multinacional na área de construção e reparos de navios e plataformas.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Zamil Offshore Services Company	Exact match	Al-khobar, Saudi ArabiaHQ recorded Nov 5, 2026	1,001-5,000	2,473 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
11	Free Lancer	Exact match	BrazilHQ recorded Nov 5, 2026	n/a	2,408 contacts →
	Exact match “Rov company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 5, 2026	1,001-5,000	2,402 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
13	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Nov 5, 2026	1,001-5,000	2,324 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
14	ELFE	Exact match	Macaé, BrazilHQ recorded Nov 5, 2026	1,001-5,000	2,045 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
15	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Nov 5, 2026	5,001-10,000	2,035 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
16	EMC Egyptian Maintenance Company	Exact match	New Cairo, EgyptHQ recorded Nov 5, 2026	5,001-10,000	2,027 contacts →
	Exact match “Since its foundation in 1997, EMC has become a well-known maintenance and modification service provider to major oil, gas and petrochemical companies, pipeline and refinery…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 5, 2026	5,001-10,000	1,953 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
18	Helix Energy Solutions Group	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,814 contacts →
	Exact match “Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Nov 5, 2026	501-1,000	1,813 contacts →
	Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Bumi Armada	Exact match	Kuala Lumpur, MalaysiaHQ recorded Nov 5, 2026	1,001-5,000	1,755 contacts →
	Exact match “At Bumi Armada, we amplify competency to resonate with the changing Oil & Gas industry demands, values and expectations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Rawabi Vallianz Offshore Services	Exact match	Al Khobar, Saudi ArabiaHQ recorded Nov 5, 2026	1,001-5,000	1,729 contacts →
	Exact match “With an extensive fleet of over 200 vessels worldwide, Rawabi Vallianz Offshore Services leverages Rawabi’s expertise to ensure exceptional quality and on-time delivery.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Deepocean	Exact match	Oslo, NorwayHQ recorded Nov 5, 2026	1,001-5,000	1,607 contacts →
	Exact match “DeepOcean is a technology-driven, independent solution provider in the ocean space.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Foresea	Exact match	United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,549 contacts →
	Exact match “Somos uma empresa focada em oferecer soluções em Perfuração Offshore, com expertise e excelência em afretamento e operação de sondas para águas ultraprofundas.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Gulf Drilling International	Exact match	Doha, QatarHQ recorded Nov 5, 2026	1,001-5,000	1,490 contacts →
	Exact match “Gulf Drilling International Limited (GDI) was established in May 2004 as a joint venture between Qatar Petroleum (QP) and Japan Drilling Company (JDC), making it the first Qatari…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	1,418 contacts →
	Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “offshore platform maintenance services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 4,225 offshore platform maintenance services worldwide

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Offshore platform maintenance services worldwide at a glance

As of Nov 5, 2026

14.1%Verified-email coverage

50.8Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · Singapore

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

1,258

11-50

1,516

51-200

833

201-500

298

501-1,000

120

1,001-5,000

123

5,001-10,000

10001+

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 maintenance services are linked below.
What qualifies: Company records worldwide whose business descriptions match “offshore platform maintenance services” 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 30,333 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 maintenance services by location

35 lists · largest first

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

How many offshore platform maintenance services are there worldwide?

RevenueBase identified 4,225 company matches for offshore platform maintenance services 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 maintenance services?

The United States leads with 397 companies, followed by Brazil (349) and the United Arab Emirates (209). Every offshore platform maintenance services list by country and city is linked on this page.

Which city has the most offshore platform maintenance services?

Singapore leads with 112 company records, followed by Dubai (74) and Houston (61).

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 30,333 professional contacts with verified work emails tracked across these 4,225 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.