Company lists · Data refreshed November 2026

Top 25 Oil gas maintenance services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,502 companies tracked

RevenueBase identified 9,502 company matches for oil gas maintenance services worldwide as of November 2026 and tracks 248,370 professional contacts across them, including 37,582 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil gas 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 6, 2026. Country and city lists for oil gas 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 6, 2026 How this list was built

9,502Companies

248,370Contacts tracked

37,582Verified emails

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The 25 largest oil gas maintenance services worldwide

Ranked by team size

Top 25 of 9,502 company matches for oil gas maintenance services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	STORK	Exact match	Utrecht, NetherlandsHQ recorded Nov 6, 2026	10001+	4,163 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Altrad	Exact match	Montpellier, FranceHQ recorded Nov 6, 2026	10001+	3,588 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 · Nov 6, 2026 · View company records in RevenueBase
3	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,991 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 6, 2026 · View company records in RevenueBase
4	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
5	Grupo NPE	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	5,001-10,000	2,675 contacts →
	Exact match “O Grupo NPE oferece serviços de manutenção industrial, montagem eletromecânica, locações de equipamentos e fabricação industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Qatar Engineering & Construction Company W.L.L	Exact match	Ras Laffan Industrial City (rlic), QatarHQ recorded Nov 6, 2026	5,001-10,000	2,486 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 · Nov 6, 2026 · View company records in RevenueBase
7	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,329 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 · Nov 6, 2026 · View company records in RevenueBase
8	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
9	Bilfinger UK	Exact match	Warrington, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,207 contacts →
	Exact match “With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Superior Energy Services	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,119 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 · Nov 6, 2026 · View company records in RevenueBase
11	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,075 contacts →
	Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	ELFE	Exact match	Macaé, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
14	EMC Egyptian Maintenance Company	Exact match	New Cairo, EgyptHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
15	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
16	Confipetrol S.A	Exact match	Bogotá, ColombiaHQ recorded Nov 6, 2026	1,001-5,000	1,757 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Dialog Group Berhad	Exact match	Petaling Jaya, MalaysiaHQ recorded Nov 6, 2026	1,001-5,000	1,637 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 · Nov 6, 2026 · View company records in RevenueBase
18	Sendan International Company	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,573 contacts →
	Exact match “Founded in 1994, Sendan has rapidly grown from a modest contractor to a reputable General Contractor for Plant Construction and Maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
20	Nexxo S.A	Exact match	Concón, ChileHQ recorded Nov 6, 2026	1,001-5,000	1,405 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Cudd Energy Services	Exact match	The Woodlands, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,359 contacts →
	Exact match “Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Mader Group	Exact match	Applecross, NV, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	1,236 contacts →
	Exact match “Mader Group is a leading global provider of specialist technical services across the mining, energy and industrial sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Strike	Exact match	Spring, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,228 contacts →
	Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Stewart & Stevenson	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,223 contacts →
	Exact match “Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,209 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Nov 6, 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 gas 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 9,502 oil gas maintenance services worldwide

See the full list, filter by size, metro and specialty, and access 37,582 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil gas maintenance services worldwide at a glance

As of Nov 6, 2026

15.1%Verified-email coverage

26.1Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,091

11-50

3,509

51-200

1,810

201-500

572

501-1,000

201

1,001-5,000

177

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 gas maintenance services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil gas 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 37,582 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.

Oil gas maintenance services by location

55 lists · largest first

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

How many oil gas maintenance services are there worldwide?

RevenueBase identified 9,502 company matches for oil gas 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?

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

Which country has the most oil gas maintenance services?

The United States leads with 1,684 companies, followed by Brazil (941) and Canada (478). Every oil gas maintenance services list by country and city is linked on this page.

Which city has the most oil gas maintenance services?

Houston leads with 132 company records, followed by Port Harcourt (93) and Dubai (86).

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 37,582 professional contacts with verified work emails tracked across these 9,502 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.