Company lists · Data refreshed October 2026

Top 25 Mechanical maintenance contractors worldwide

Name: Mechanical maintenance contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 27,812 companies tracked

RevenueBase identified 27,812 company matches for mechanical maintenance contractors worldwide as of October 2026 and tracks 370,310 professional contacts across them, including 81,780 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for mechanical 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 18, 2026. Country and city lists for mechanical 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 18, 2026 How this list was built

27,812Companies

370,310Contacts tracked

81,780Verified emails

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The 25 largest mechanical maintenance contractors worldwide

Ranked by team size

Top 25 of 27,812 company matches for mechanical maintenance contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Equans	Exact match	Courbevoie, FranceHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
2	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
3	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Oct 18, 2026	5,001-10,000	2,573 contacts →
	Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
5	ELFE	Exact match	Macaé, BrazilHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
6	Dietsmann	Exact match	Fontvieille, MonacoHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
7	Tdindustries, INC	Exact match	Dallas, TX, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,925 contacts →
	Exact match “TDIndustries delivers a comprehensive approach to Facility Services and Mechanical Construction.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
9	Sankyu S.A	Exact match	Belo Horizonte, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,787 contacts →
	Exact match “Fundada em 1972, a SANKYU S.A.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Confipetrol S.A	Exact match	Bogotá, ColombiaHQ recorded Oct 18, 2026	1,001-5,000	1,727 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Hobart Food Equipment And Service	Exact match	Troy, OH, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,613 contacts →
	Exact match “While running a business you constantly have a million things going on in your operation every day and any one of them can go wrong without notice.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Modern Niagara	Exact match	Kanata, ON, CanadaHQ recorded Oct 18, 2026	1,001-5,000	1,585 contacts →
	Exact match “We build for life.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Emcor Group, INC	Exact match	Norwalk, CT, United StatesHQ recorded Oct 18, 2026	10001+	1,443 contacts →
	Exact match “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	Bilfinger North America	Exact match	The Woodlands, TX, United StatesHQ recorded Oct 18, 2026	10001+	1,416 contacts →
	Exact match “As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Ainsworth INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 18, 2026	1,001-5,000	1,390 contacts →
	Exact match “Our customers depend on their buildings, industrial assets, processes, and energy management, to help them meet competitive challenges.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Oct 18, 2026	501-1,000	1,360 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 · Oct 18, 2026 · View company records in RevenueBase
17	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	10001+	1,354 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Oct 18, 2026	1,001-5,000	1,342 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	Álamo Engenharia SA	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,244 contacts →
	Exact match “A Álamo é uma empresa de engenharia de manutenção predial e industrial, com 1.500 funcionários, atendendo em todo o Brasil.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,167 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	Amerit Fleet Solutions	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,166 contacts →
	Exact match “At Amerit, we have built our reputation of being the country’s most dependable, trustworthy and hard-working partner through our singular focus on doing one thing, and doing it…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Fawaz Group	Exact match	KuwaitHQ recorded Oct 18, 2026	1,001-5,000	1,107 contacts →
	Exact match “Welcome to FAWAZ Group official account!” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Arcus FM	Exact match	Upminster, United KingdomHQ recorded Oct 18, 2026	1,001-5,000	1,101 contacts →
	Exact match “Arcus FM is an award-winning full-service facilities management company self-delivering over 80% of our services across the UK.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,088 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	LEE Company	Exact match	Franklin, TN, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,049 contacts →
	Exact match “Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded in the RevenueBase company graph · Oct 18, 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 “mechanical 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 27,812 mechanical maintenance contractors worldwide

See the full list, filter by size, metro and specialty, and access 81,780 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mechanical maintenance contractors worldwide at a glance

As of Oct 18, 2026

22.1%Verified-email coverage

13.3Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Dubai

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

11,429

11-50

10,691

51-200

3,915

201-500

942

501-1,000

300

1,001-5,000

243

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 mechanical maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “mechanical 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 81,780 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 18, 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.

Mechanical maintenance contractors by location

84 lists · largest first

Every Mechanical 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 “mechanical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mechanical maintenance contractors are there worldwide?

RevenueBase identified 27,812 company matches for mechanical 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?

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

Which country has the most mechanical maintenance contractors?

The United States leads with 6,504 companies, followed by Brazil (2,651) and the United Kingdom (1,710). Every mechanical maintenance contractors list by country and city is linked on this page.

Which city has the most mechanical maintenance contractors?

Dubai leads with 393 company records, followed by Sao Paulo (375) and London (187).

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 81,780 professional contacts with verified work emails tracked across these 27,812 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 18, 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.