Company lists · Data refreshed November 2026

Top 25 Critical facility contractors worldwide

Name: Critical facility contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 21,016 companies tracked

RevenueBase identified 21,016 company matches for critical facility contractors worldwide as of November 2026 and tracks 581,813 professional contacts across them, including 168,217 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for critical facility 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 November 6, 2026. Country and city lists for critical facility 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 Nov 6, 2026 How this list was built

21,016Companies

581,813Contacts tracked

168,217Verified emails

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The 25 largest critical facility contractors worldwide

Ranked by team size

Top 25 of 21,016 company matches for critical facility contractors 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Vertiv	Exact match	Columbus, United StatesHQ recorded Nov 6, 2026	10001+	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
2	MITIE	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	15,296 contacts →
	Exact match “Founded in 1987, Mitie is the UK’s leading facilities management and professional services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	10001+	7,226 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 · Nov 6, 2026 · View company records in RevenueBase
4	BGIS	Exact match	Markham, CanadaHQ recorded Nov 6, 2026	5,001-10,000	5,882 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
5	SPIE	Exact match	Cergy Pontoise Cedex, FranceHQ recorded Nov 6, 2026	10001+	5,848 contacts →
	Exact match “As the independent European leader in multi-technical services in the areas of energy and communications, SPIE supports its customers design, build, operate and maintain…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Equans	Exact match	Courbevoie, FranceHQ recorded Nov 6, 2026	10001+	5,803 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 · Nov 6, 2026 · View company records in RevenueBase
7	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Nov 6, 2026	5,001-10,000	5,429 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Rosendin	Exact match	San Jose, NC, United StatesHQ recorded Nov 6, 2026	10001+	4,838 contacts →
	Exact match “Since 1919, Rosendin has created a reputation for building quality electrical and communications installations, building value for clients, and building people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Gilbane Building	Exact match	Providence, RI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,383 contacts →
	Exact match “Gilbane Building Company provides a full slate of construction and facilities-related services-from preconstruction services planning and integrated consulting capabilities to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	PM Group	Exact match	Dublin, IrelandHQ recorded Nov 6, 2026	1,001-5,000	3,886 contacts →
	Exact match “At PM Group, our vision is to enable a world where science and technology transform lives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Nov 6, 2026	10001+	3,602 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 · Nov 6, 2026 · View company records in RevenueBase
12	M.C. Dean, INC	Exact match	Tysons, VA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,496 contacts →
	Exact match “M.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Black & Mcdonald Limited	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	5,001-10,000	2,891 contacts →
	Exact match “Black & McDonald is an integrated, multi-trade service provider that safely delivers high-quality construction, facilities management, and technical solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Power Design	Exact match	St. Petersburg, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,657 contacts →
	Exact match “Power Design is a National Design Build Contractor, focused on innovative construction across multiple trades: electrical, mechanical, plumbing, and systems technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Jones Engineering	Exact match	Dublin 4, IrelandHQ recorded Nov 6, 2026	1,001-5,000	2,643 contacts →
	Exact match “Jones Engineering is a multi-disciplined engineering contracting company, offering the complete range of engineering and building services installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	GCA Services Group	Exact match	NY, United StatesHQ recorded Nov 6, 2026	10001+	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
17	SRG Global	Exact match	Perth, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	2,431 contacts →
	Exact match “SRG Global is a diversified infrastructure services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	NAES	Exact match	Issaquah, DE, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,037 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 · Nov 6, 2026 · View company records in RevenueBase
19	Enercon Services, INC	Exact match	Kennesaw, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,022 contacts →
	Exact match “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Araujo Abreu Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,017 contacts →
	Exact match “A Araujo Abreu foi fundada em 1922.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Tdindustries, INC	Exact match	Dallas, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,002 contacts →
	Exact match “TDIndustries delivers a comprehensive approach to Facility Services and Mechanical Construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	10001+	2,000 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,973 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
24	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 6, 2026	5,001-10,000	1,953 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 · Nov 6, 2026 · View company records in RevenueBase
25	Yates Construction	Exact match	Philadelphia, MS, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,902 contacts →
	Exact match “Yates Construction is part of The Yates Companies, Inc.” Recorded in the RevenueBase company graph · Nov 6, 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 “critical facility 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 21,016 critical facility contractors worldwide

See the full list, filter by size, metro and specialty, and access 168,217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Critical facility contractors worldwide at a glance

As of Nov 6, 2026

28.9%Verified-email coverage

27.7Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,074

11-50

8,006

51-200

3,690

201-500

1,044

501-1,000

415

1,001-5,000

345

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 critical facility contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “critical facility 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 168,217 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.

Critical facility contractors by location

83 lists · largest first

Every Critical facility 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 “critical facility contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many critical facility contractors are there worldwide?

RevenueBase identified 21,016 company matches for critical facility contractors 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 critical facility contractors?

The United States leads with 5,561 companies, followed by the United Kingdom (1,710) and Brazil (1,167). Every critical facility contractors list by country and city is linked on this page.

Which city has the most critical facility contractors?

Sao Paulo leads with 239 company records, followed by London (196) and Dubai (167).

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 168,217 professional contacts with verified work emails tracked across these 21,016 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.