Company lists · Data refreshed November 2026

Top 25 Oil well platform maintenance services worldwide

Name: Oil well 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 3,157 companies tracked

RevenueBase identified 3,157 company matches for oil well platform maintenance services worldwide as of November 2026 and tracks 126,343 professional contacts across them, including 15,512 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for oil well 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 oil well 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

3,157Companies

126,343Contacts tracked

15,512Verified emails

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The 25 largest oil well platform maintenance services worldwide

Ranked by team size

Top 25 of 3,157 company matches for oil well 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	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Nov 5, 2026	10001+	4,135 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	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
3	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
4	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
5	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
6	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
7	Arabian Drilling	Exact match	Al-khobar, Saudi ArabiaHQ recorded Nov 5, 2026	5,001-10,000	2,169 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
8	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
9	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
10	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
11	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
12	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
13	Hercules Offshore	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,408 contacts →
	Exact match “Headquartered in Houston, Hercules Offshore, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	CCC Underwater Engineering S.A.L	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 5, 2026	201-500	1,344 contacts →
	Exact match “(Underwater Engineering) S.A.L was established in 1976.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Hertel	Exact match	Rotterdam, NetherlandsHQ recorded Nov 5, 2026	5,001-10,000	1,334 contacts →
	Exact match “Hertel is a leading international, multi-disciplinary, industrial services company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Aries Energy	Exact match	United Arab EmiratesHQ recorded Nov 5, 2026	1,001-5,000	1,319 contacts →
	Exact match “Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Rowan Companies	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,276 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
18	Tuboscope	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	10001+	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 5, 2026 · View company records in RevenueBase
19	Vantage Drilling	Exact match	Hamilton, BermudaHQ recorded Nov 5, 2026	501-1,000	1,077 contacts →
	Exact match “Vantage is an international offshore drilling contractor, formed in 2007, which markets, operates and manages modern, high specification drilling rigs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Micoperi SRL	Exact match	Ravenna, ItalyHQ recorded Nov 5, 2026	201-500	959 contacts →
	Exact match “MICOPERI has been active in the marine sector since 1946 when the company was incorporated as a salvage company to free the shipping routes from vessels sunk during the Second…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Techocean Engineering Solutions	Exact match	Macaé, BrazilHQ recorded Nov 5, 2026	501-1,000	812 contacts →
	Exact match “Techocean is a supplier of engineering services focused on the oil & gas industry, creating solutions for steel fabrications as Platforms, Piping Lines, Several Structures and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Yantai Cimc Raffles Offshore LTD	Exact match	Yantai, ChinaHQ recorded Nov 5, 2026	10001+	759 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 · Nov 5, 2026 · View company records in RevenueBase
23	Emco Qatar	Exact match	Doha, QatarHQ recorded Nov 5, 2026	1,001-5,000	755 contacts →
	Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Hydrochempsc	Exact match	Deer Park, TX, United StatesHQ recorded Nov 5, 2026	5,001-10,000	739 contacts →
	Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Greatship	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	1,001-5,000	715 contacts →
	Exact match “The GREATSHIP GROUP is a provider of quality offshore oilfield services, owning and operating a comprehensive range of new generation, technologically advanced vessels and modern…” 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 “oil well 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 3,157 oil well platform maintenance services worldwide

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Oil well platform maintenance services worldwide at a glance

As of Nov 5, 2026

12.3%Verified-email coverage

40.0Average contacts per company

11-50Median size (employees)

2.2%Largest-city concentration · Singapore

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

822

11-50

1,165

51-200

673

201-500

253

501-1,000

105

1,001-5,000

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 oil well platform maintenance services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil well 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 15,512 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.

Oil well platform maintenance services by location

26 lists · largest first

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

How many oil well platform maintenance services are there worldwide?

RevenueBase identified 3,157 company matches for oil well 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?

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

Which country has the most oil well platform maintenance services?

The United States leads with 363 companies, followed by Brazil (259) and Nigeria (152). Every oil well platform maintenance services list by country and city is linked on this page.

Which city has the most oil well platform maintenance services?

Singapore leads with 71 company records, followed by Port Harcourt (58) and Houston (47).

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 15,512 professional contacts with verified work emails tracked across these 3,157 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.