Company lists · Data refreshed November 2026

Top 25 Mechanical systems maintenance worldwide

RevenueBase identified 7,011 company matches for mechanical systems maintenance worldwide as of November 2026 and tracks 89,514 professional contacts across them, including 22,062 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for mechanical systems maintenance 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 mechanical systems maintenance 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
7,011Companies
89,514Contacts tracked
22,062Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest mechanical systems maintenance worldwide

Ranked by team size
Top 25 of 7,011 company matches for mechanical systems maintenance 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, IN, United StatesHQ recorded Nov 6, 202610001+1,407 contacts →

Exact match

“Comfort Systems USA | Quality People.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBrøndby, DenmarkHQ recorded Nov 6, 20261,001-5,0001,385 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCuritiba, BrazilHQ recorded Nov 6, 20261,001-5,0001,209 contacts →

Exact match

“Empresa de Montagem e Manutenção Industrial”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParsippany, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,075 contacts →

Exact match

“GSH Group is a premier provider of global integrated facilities management and building engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFranklin, TN, United StatesHQ recorded Nov 6, 20261,001-5,0001,067 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,000980 contacts →

Exact match

“We are Quant – your maintenance partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,000934 contacts →

Exact match

“Bravida gir bygninger liv.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDammam, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,000924 contacts →

Exact match

“FMCO is a multidisciplinary company that deals with the coordination of works between buildings, individuals, infrastructure, energy, water and drainage services in order to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000705 contacts →

Exact match

“Universal Voltas is a leader in Electromechanical Projects and Facility Management Services, providing state of the art solutions to its clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 2026501-1,000701 contacts →

Exact match

“At Vixxo Facility Solutions, we pride ourselves on delivering unparalleled expertise to create outstanding customer experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000694 contacts →

Exact match

“A Temon Serviços é a empresa líder na engenharia de manutenção e operação de sistemas prediais de alta complexidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSebastian, FL, United StatesHQ recorded Nov 6, 20261,001-5,000667 contacts →

Exact match

“Where Facility Excellence Meets Defense Standards Ready • Secure • Lean We serve operators who cannot afford a facility failure: defense primes, secure federal installations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDenham Springs, LA, United StatesHQ recorded Nov 6, 2026n/a666 contacts →

Exact match

“Facilities Maintenance Management is a company comprised of a team of professionals dedicated to uncompromising quality, responsive service, value and integrity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000650 contacts →

Exact match

“Axis delivers property maintenance, compliance, refurbishment and infrastructure-related services for organisations across social housing, healthcare, education, defence, blue…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLandelijk, NetherlandsHQ recorded Nov 6, 20261,001-5,000588 contacts →

Exact match

“Unica Building Services manages and maintains all building-related installations to ensure a comfortable, sustainable, safe and healthy environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDoha, QatarHQ recorded Nov 6, 20261,001-5,000547 contacts →

Exact match

“Darwish Interserve is jointly owned by Al Darwish United Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchArgamasilla De Calatrava, SpainHQ recorded Nov 6, 20261,001-5,000488 contacts →

Exact match

“MEISA (Proyectos y Mantenimientos Mecánicos, Eléctricos y de Instrumentación), se constituyó en 1998, viendo las oportunidades de mercado de negocio y demanda creciente de los…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000478 contacts →

Exact match

“Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000463 contacts →

Exact match

“Al Shirawi’s progression in becoming a fully fledged Facilities Management Service Provider has been achieved over 35 years of strategic planning and development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMontévrain, FranceHQ recorded Nov 6, 2026501-1,000462 contacts →

Exact match

“Spécialiste de la maintenance industrielle depuis plus de vingt ans, Fives intervient dans le cadre de contrats à obligation de résultats pour assurer la maintenance préventive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMulgrave, AustraliaHQ recorded Nov 6, 20261,001-5,000454 contacts →

Exact match

“Founded in 1985 in Glasgow, Scotland, City Facilities Management (City) is one of the world’s largest privately-owned facilities management companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNijmegen, NetherlandsHQ recorded Nov 6, 20261,001-5,000416 contacts →

Exact match

“geen gedoe'- dingen logischer en makkelijker maken!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchArras, FranceHQ recorded Nov 6, 20261,001-5,000373 contacts →

Exact match

“Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000363 contacts →

Exact match

“Since 1988, Jaguar Building Services has been a trusted leader in the mechanical, electrical, and public health maintenance of some of London's most prestigious landmark buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCincinnati, IN, United StatesHQ recorded Nov 6, 20261,001-5,000359 contacts →

Exact match

“With more than 70 years of experience, DeBra-Kuempel is a leading provider of mechanical, electrical, and plumbing services to Cincinnati, Dayton, Columbus, Evansville, Lexington…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 7,011 mechanical systems maintenance worldwide

See the full list, filter by size, metro and specialty, and access 22,062 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Mechanical systems maintenance worldwide at a glance

As of Nov 6, 2026
24.6%Verified-email coverage
12.8Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Dubai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,788
11-50
2,707
51-200
1,013
201-500
252
501-1,000
79
1,001-5,000
65
5,001-10,000
6
10001+
6

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 systems maintenance are linked below.
What qualifies
Company records worldwide whose business descriptions match “mechanical systems maintenance” 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 22,062 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.

Mechanical systems maintenance by location

26 lists · largest first

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

How many mechanical systems maintenance are there worldwide?

RevenueBase identified 7,011 company matches for mechanical systems maintenance 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?

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

Which country has the most mechanical systems maintenance?

The United States leads with 1,985 companies, followed by the United Kingdom (555) and Brazil (494). Every mechanical systems maintenance list by country and city is linked on this page.

Which city has the most mechanical systems maintenance?

Dubai leads with 155 company records, followed by Sao Paulo (83) and London (82).

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 22,062 professional contacts with verified work emails tracked across these 7,011 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.

Ready to reach these companies? Verified emails and direct dials for all 7,011 mechanical systems maintenance worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.