Company lists · Data refreshed November 2026

Top 25 Building systems maintenance companies worldwide

RevenueBase identified 12,207 company matches for building systems maintenance companies worldwide as of November 2026 and tracks 163,772 professional contacts across them, including 42,560 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for building systems maintenance companies 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 building systems maintenance companies 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
12,207Companies
163,772Contacts tracked
42,560Verified emails
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The 25 largest building systems maintenance companies worldwide

Ranked by team size
Top 25 of 12,207 company matches for building systems maintenance companies 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 matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0002,570 contacts →

Exact match

“Our facility management solutions are designed to offer the perfect mix of services for your facility and budget.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNY, United StatesHQ recorded Nov 6, 202610001+2,546 contacts →

Exact match

“ABM (NYSE: ABM) is a Fortune 500 company and leading provider of facility solutions with offices throughout the United States and various international locations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKanata, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,642 contacts →

Exact match

“We build for life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorwalk, CT, United StatesHQ recorded Nov 6, 202610001+1,493 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact matchLenexa, MO, United StatesHQ recorded Nov 6, 2026n/a1,247 contacts →

Exact match

“Founded in 1961, City Wide has become synonymous with building maintenance in its home Kansas City market and now has over 100 franchise locations in the United States and Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchZola Predosa, ItalyHQ recorded Nov 6, 202610001+1,244 contacts →

Exact match

“Il Gruppo Rekeep è il principale operatore italiano e tra i principali player internazionali nell’Integrated Facility Management ovvero la gestione e l’erogazione di servizi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUpminster, United KingdomHQ recorded Nov 6, 20261,001-5,0001,148 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDammam, KuwaitHQ recorded Nov 6, 20261,001-5,0001,147 contacts →

Exact match

“Welcome to FAWAZ Group official account!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAtlanta, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,143 contacts →

Exact match

“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact 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
15Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 20261,001-5,000928 contacts →

Exact match

“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchFond Du Lac, WI, United StatesHQ recorded Nov 6, 20261,001-5,000915 contacts →

Exact match

“Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 20265,001-10,000836 contacts →

Exact match

“Established in 1952 by Skip Marsden, Marsden Services is one of the largest privately-held facility services organizations in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000764 contacts →

Exact match

“The Linc Group is an award-winning provider of integrated facilities management, HVAC and building systems services, lighting and electrical solutions, and other support services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnkeny, IA, United StatesHQ recorded Nov 6, 20261,001-5,000731 contacts →

Exact match

“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact 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
23Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+677 contacts →

Exact match

“Driven by a singular vision, it is our mission to provide unparalleled excellence in building services with an emphasis on quality, integrity & innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact 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
25Exact 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

Showing 25 of 12,207 building systems maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 42,560 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building systems maintenance companies worldwide at a glance

As of Nov 6, 2026
26.0%Verified-email coverage
13.4Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Dubai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,853
11-50
4,614
51-200
1,755
201-500
440
501-1,000
146
1,001-5,000
125
5,001-10,000
15
10001+
21

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 building systems maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “building systems maintenance companies” 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 42,560 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.

Building systems maintenance companies by location

38 lists · largest first

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

How many building systems maintenance companies are there worldwide?

RevenueBase identified 12,207 company matches for building systems maintenance companies 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?

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

Which country has the most building systems maintenance companies?

The United States leads with 3,177 companies, followed by the United Kingdom (1,457) and Italy (705). Every building systems maintenance companies list by country and city is linked on this page.

Which city has the most building systems maintenance companies?

Dubai leads with 314 company records, followed by London (249) and Sao Paulo (126).

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 42,560 professional contacts with verified work emails tracked across these 12,207 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.