Company lists · Data refreshed October 2026

Top 25 Oil and gas equipment maintenance contractors worldwide

Name: Oil and gas equipment maintenance contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 9,978 companies tracked

RevenueBase identified 9,978 company matches for oil and gas equipment maintenance contractors worldwide as of October 2026 and tracks 301,339 professional contacts across them, including 45,353 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil and gas equipment maintenance contractors 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 October 22, 2026. Country and city lists for oil and gas equipment maintenance contractors 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 Oct 22, 2026 How this list was built

9,978Companies

301,339Contacts tracked

45,353Verified emails

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The 25 largest oil and gas equipment maintenance contractors worldwide

Ranked by team size

Top 25 of 9,978 company matches for oil and gas equipment maintenance contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 22, 2026	1,001-5,000	4,167 contacts →
	Exact match “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Oct 22, 2026	10001+	3,994 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	STORK	Exact match	Utrecht, NetherlandsHQ recorded Oct 22, 2026	10001+	3,942 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Team, INC	Exact match	Sugar Land, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	3,530 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Altrad	Exact match	Montpellier, FranceHQ recorded Oct 22, 2026	10001+	3,345 contacts →
	Exact match “ALTRAD AT A GLANCE Altrad is a world leader in the provision of industrial services, generating high-added value solutions principally for the Energy, Power Generation, Oil & Gas…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	Engeman	Exact match	Recife, BrazilHQ recorded Oct 22, 2026	5,001-10,000	3,054 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 · Oct 22, 2026 · View company records in RevenueBase
7	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,923 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 · Oct 22, 2026 · View company records in RevenueBase
8	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 22, 2026	1,001-5,000	2,795 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 · Oct 22, 2026 · View company records in RevenueBase
9	Precision Drilling	Exact match	Calgary, AB, CanadaHQ recorded Oct 22, 2026	5,001-10,000	2,622 contacts →
	Exact match “Precision is a leading provider of safe and High Performance, High-Value services to the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Qatar Engineering & Construction Company W.L.L	Exact match	Ras Laffan Industrial City (rlic), QatarHQ recorded Oct 22, 2026	5,001-10,000	2,397 contacts →
	Exact match “Qatar Engineering & Construction Company (Qcon) is the leading National EPC & Maintenance Contractor in the Oil & Gas, Petrochemical, Fertilizer and Power industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 22, 2026	1,001-5,000	2,362 contacts →
	Exact match “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 22, 2026	1,001-5,000	2,328 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 · Oct 22, 2026 · View company records in RevenueBase
13	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,282 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Oct 22, 2026	1,001-5,000	2,247 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 · Oct 22, 2026 · View company records in RevenueBase
15	Superior Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,076 contacts →
	Exact match “For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	ELFE	Exact match	Macaé, BrazilHQ recorded Oct 22, 2026	1,001-5,000	2,006 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 · Oct 22, 2026 · View company records in RevenueBase
17	EMC Egyptian Maintenance Company	Exact match	New Cairo, EgyptHQ recorded Oct 22, 2026	5,001-10,000	1,949 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 · Oct 22, 2026 · View company records in RevenueBase
18	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Oct 22, 2026	5,001-10,000	1,931 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 · Oct 22, 2026 · View company records in RevenueBase
19	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Oct 22, 2026	5,001-10,000	1,900 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 · Oct 22, 2026 · View company records in RevenueBase
20	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Oct 22, 2026	501-1,000	1,766 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 · Oct 22, 2026 · View company records in RevenueBase
21	Confipetrol S.A	Exact match	Bogotá, ColombiaHQ recorded Oct 22, 2026	1,001-5,000	1,727 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	1,652 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	Arabian Pipeline & Services Co. Ltd. Anabeeb	Exact match	Dammam, Saudi ArabiaHQ recorded Oct 22, 2026	5,001-10,000	1,610 contacts →
	Exact match “ANABEEB is on a mission to become the best in the industry, together with our highly-dedicated workforce and global partners, we will deliver added value to our customers without…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Dialog Group Berhad	Exact match	Petaling Jaya, MalaysiaHQ recorded Oct 22, 2026	1,001-5,000	1,599 contacts →
	Exact match “DIALOG is a leading integrated technical service provider to the energy sector, in Malaysia and internationally.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	ANTON	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 22, 2026	5,001-10,000	1,419 contacts →
	Exact match “Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…” Recorded in the RevenueBase company graph · Oct 22, 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 and gas equipment maintenance contractors”. 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 9,978 oil and gas equipment maintenance contractors worldwide

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Oil and gas equipment maintenance contractors worldwide at a glance

As of Oct 22, 2026

15.1%Verified-email coverage

30.2Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

2,974

11-50

3,747

51-200

2,004

201-500

695

501-1,000

245

1,001-5,000

214

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 and gas equipment maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas equipment maintenance contractors” 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 45,353 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 October 22, 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 and gas equipment maintenance contractors by location

58 lists · largest first

Every Oil and gas equipment maintenance contractors 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 and gas equipment maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas equipment maintenance contractors are there worldwide?

RevenueBase identified 9,978 company matches for oil and gas equipment maintenance contractors worldwide as of October 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?

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

Which country has the most oil and gas equipment maintenance contractors?

The United States leads with 1,729 companies, followed by Brazil (789) and Canada (484). Every oil and gas equipment maintenance contractors list by country and city is linked on this page.

Which city has the most oil and gas equipment maintenance contractors?

Houston leads with 231 company records, followed by Port Harcourt (120) and Abu Dhabi (112).

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 45,353 professional contacts with verified work emails tracked across these 9,978 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 October 22, 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.