Company lists · Data refreshed November 2026

Top 25 Mission critical facilities operators worldwide

RevenueBase identified 1,525 company matches for mission critical facilities operators worldwide as of November 2026 and tracks 90,890 professional contacts across them, including 22,937 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for mission critical facilities operators 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 mission critical facilities operators 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
1,525Companies
90,890Contacts tracked
22,937Verified emails
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The 25 largest mission critical facilities operators worldwide

Ranked by team size
Top 25 of 1,525 company matches for mission critical facilities operators 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 matchColumbus, United StatesHQ recorded Nov 6, 202610001+16,620 contacts →

Exact match

“Vertiv is a global leader in critical digital infrastructure for applications in data centers, communication networks, and commercial and industrial environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMarkham, CanadaHQ recorded Nov 6, 20265,001-10,0005,882 contacts →

Exact match

“BGIS is a global leader in integrated facility management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPune, IndiaHQ recorded Nov 6, 202610001+4,705 contacts →

Exact match

“Founded in 2002, BVG India Limited is India’s largest and leading Integrated Facility Management (IFM) company, offering comprehensive solutions that combine skilled people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchAB, CanadaHQ recorded Nov 6, 20265,001-10,0002,508 contacts →

Exact match

“ATCO is a global leader in housing, energy and defence, delivering the essential services people and communities depend on every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBrasilia, BrazilHQ recorded Nov 6, 20265,001-10,0001,973 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact matchSilverwater, AustraliaHQ recorded Nov 6, 20261,001-5,000845 contacts →

Exact match

“Fredon is an Australian leader in Electrical, HVAC, Infrastructure and Technology services, backed by 24/7 national maintenance capability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchPorto Salvo, PortugalHQ recorded Nov 6, 20261,001-5,000809 contacts →

Exact match

“TDGI is a company that operates in the facility management area, assuming the global management, operation and technical responsibilities of the infrastructures, equipment and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTampa, FL, United StatesHQ recorded Nov 6, 20261,001-5,000782 contacts →

Exact match

“Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000772 contacts →

Exact match

“Fundada em 2005 a Danlex é uma empresa especializada em Facilities, Logística e Telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchHalle, BelgiumHQ recorded Nov 6, 202651-200553 contacts →

Exact match

“Automation - THE power management company Automation aims to be an expert partner for its customers in the management of the electrical power by delivering highly qualitative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHollywood, United StatesHQ recorded Nov 6, 2026501-1,000543 contacts →

Exact match

“NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 20261,001-5,000429 contacts →

Exact match

“Concentric is the first national industrial power services organization delivering forklift and critical power as well as maintenance solutions that ensure uninterrupted…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNewburgh, IN, United StatesHQ recorded Nov 6, 2026201-500420 contacts →

Exact match

“Energy Systems Group (ESG) is a leading provider of performance-driven energy and infrastructure solutions nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRome, NC, United StatesHQ recorded Nov 6, 202651-200419 contacts →

Exact match

“Founded in 2001, Deployed Resources, LLC is a veteran-owned leader in turnkey logistics and rapid-response temporary infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStockholm, SwedenHQ recorded Nov 6, 2026501-1,000401 contacts →

Exact match

“Vi säkerställer kontinuerlig kraftförsörjning och datakommunikation 24/7 i verksamhetskritiska anläggningar genom att utveckla, serva och drifta robusta fysiska…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBangalore, IndiaHQ recorded Nov 6, 202610001+395 contacts →

Exact match

“Amps Facilities Management Services is one of the leading 24/7 Integrated Facility Management company in India.”

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

Showing 25 of 1,525 mission critical facilities operators worldwide

See the full list, filter by size, metro and specialty, and access 22,937 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mission critical facilities operators worldwide at a glance

As of Nov 6, 2026
25.2%Verified-email coverage
59.6Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Dubai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
432
11-50
534
51-200
296
201-500
113
501-1,000
52
1,001-5,000
56
5,001-10,000
9
10001+
17

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 mission critical facilities operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “mission critical facilities operators” 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 22,937 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.

Mission critical facilities operators by location

10 lists · largest first

Every Mission critical facilities operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “mission critical facilities operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mission critical facilities operators are there worldwide?

RevenueBase identified 1,525 company matches for mission critical facilities operators 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?

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

Which country has the most mission critical facilities operators?

The United States leads with 450 companies, followed by the United Kingdom (97) and Brazil (65). Every mission critical facilities operators list by country and city is linked on this page.

Which city has the most mission critical facilities operators?

Dubai leads with 19 company records, followed by Sao Paulo (17) and London (15).

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 22,937 professional contacts with verified work emails tracked across these 1,525 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.