Company lists · Data refreshed October 2026

Top 25 Maintenance and engineering services worldwide

Name: Maintenance and engineering services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 21,709 companies tracked

RevenueBase identified 21,709 company matches for maintenance and engineering services worldwide as of October 2026 and tracks 423,355 professional contacts across them, including 74,233 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for maintenance and engineering 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 October 17, 2026. Country and city lists for maintenance and engineering 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 Oct 17, 2026 How this list was built

21,709Companies

423,355Contacts tracked

74,233Verified emails

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The 25 largest maintenance and engineering services worldwide

Ranked by team size

Top 25 of 21,709 company matches for maintenance and engineering services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Oct 17, 2026	10001+	7,053 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2	Lufthansa Technik	Exact match	Hamburg, GermanyHQ recorded Oct 17, 2026	10001+	6,535 contacts →
	Exact match “With more than 30 subsidiaries and about employees worldwide, Lufthansa Technik is the leading manufacturer provider of maintenance, repair, overhaul and modification services for…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
3	Equans	Exact match	Courbevoie, FranceHQ recorded Oct 17, 2026	10001+	5,490 contacts →
	Exact match “Equans, a Bouygues group company, is a world leader in multi-technical services with offices in 20 country hubs.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Oct 17, 2026	5,001-10,000	5,347 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	GMF Aeroasia	Exact match	Tangerang, IndonesiaHQ recorded Oct 17, 2026	5,001-10,000	5,013 contacts →
	Exact match “PT Garuda Maintenance Facility Aero Asia Tbk ("GMF","ticker code: GMFI") is a company engaged in the maintenance, repair, and overhaul of aircraft and industrial services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Oct 17, 2026	10001+	3,994 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	UTC Engenharia	Exact match	São Paulo, BrazilHQ recorded Oct 17, 2026	10001+	3,755 contacts →
	Exact match “The Company operates in sundry markets, taking the lead in such sectors as oil & gas production and processing, petrochemicals, power generation, steel production, paper & pulp…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Oct 17, 2026	10001+	3,504 contacts →
	Exact match “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	Engeman	Exact match	Recife, BrazilHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
10	Grupo Enesa - Main Page	Exact match	Sao Paulo, BrazilHQ recorded Oct 17, 2026	1,001-5,000	2,733 contacts →
	Exact match “ENESA Engenharia is a company based on reliability, commitment, ethical standards and important knowledge in constructive engineering solutions, becoming a reference in…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	Grupo NPE	Exact match	Sao Paulo, BrazilHQ recorded Oct 17, 2026	5,001-10,000	2,548 contacts →
	Exact match “O Grupo NPE é composto por empresas que oferecem soluções integradas para as necessidades da indústria: NPE Service, NPE Industrial, NPE Locação, NPE Facilities, NPE Construções e…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Batam Aero Technic	Exact match	Batam, IndonesiaHQ recorded Oct 17, 2026	1,001-5,000	2,538 contacts →
	Exact match “Batam Aero Technic (BAT) is a leading Maintenance, Repair, and Overhaul (MRO) provider strategically located in Batam, Indonesia.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Oct 17, 2026	1,001-5,000	2,354 contacts →
	Exact match “Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
15	Bilfinger UK	Exact match	Warrington, United KingdomHQ recorded Oct 17, 2026	1,001-5,000	2,157 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 · Oct 17, 2026 · View company records in RevenueBase
16	ELFE	Exact match	Macaé, BrazilHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
17	NAES	Exact match	Issaquah, WA, United StatesHQ recorded Oct 17, 2026	1,001-5,000	1,999 contacts →
	Exact match “NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 17, 2026	5,001-10,000	1,969 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 · Oct 17, 2026 · View company records in RevenueBase
19	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
20	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
21	Araujo Abreu Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 17, 2026	1,001-5,000	1,886 contacts →
	Exact match “A Araujo Abreu foi fundada em 1922.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Oct 17, 2026	5,001-10,000	1,870 contacts →
	Exact match “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Groupe ADF	Exact match	Vitrolles, FranceHQ recorded Oct 17, 2026	1,001-5,000	1,817 contacts →
	Exact match “GROUPE ADF accompagne les acteurs majeurs de l’industrie sur 5 secteurs d’expertise en proposant des solutions d’ingénierie, de production et de maintenance.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24	IMC Saste Construções, Serviços E Comércio Ltda	Exact match	Sao Paulo, BrazilHQ recorded Oct 17, 2026	1,001-5,000	1,785 contacts →
	Exact match “A IMC Saste, empresa fundada em 1992, tem atuação de abrangência nacional e unidades de negócio especializadas nas áreas de Facilities, Construção e Montagem, Manutenção…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Able Services	Exact match	San Francisco, CA, United StatesHQ recorded Oct 17, 2026	10001+	1,758 contacts →
	Exact match “Able Services has joined ABM Industries, a historic acquisition that holds limitless potential for growth.” Recorded in the RevenueBase company graph · Oct 17, 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 “maintenance and engineering 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 21,709 maintenance and engineering services worldwide

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Maintenance and engineering services worldwide at a glance

As of Oct 17, 2026

17.5%Verified-email coverage

19.5Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

8,249

11-50

8,440

51-200

3,342

201-500

918

501-1,000

315

1,001-5,000

245

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 maintenance and engineering services are linked below.
What qualifies: Company records worldwide whose business descriptions match “maintenance and engineering 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 74,233 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 17, 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.

Maintenance and engineering services by location

61 lists · largest first

Every Maintenance and engineering 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 “maintenance and engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many maintenance and engineering services are there worldwide?

RevenueBase identified 21,709 company matches for maintenance and engineering services 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?

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

Which country has the most maintenance and engineering services?

Brazil leads with 2,693 companies, followed by the United States (2,225) and Italy (1,737). Every maintenance and engineering services list by country and city is linked on this page.

Which city has the most maintenance and engineering services?

Sao Paulo leads with 344 company records, followed by Dubai (189) and Rio De Janeiro (124).

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 74,233 professional contacts with verified work emails tracked across these 21,709 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 17, 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.