Company lists · Data refreshed November 2026

Top 25 Mission critical facilities contractors worldwide

Name: Mission critical facilities contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 25,668 companies tracked

RevenueBase identified 25,668 company matches for mission critical facilities contractors worldwide as of November 2026 and tracks 728,242 professional contacts across them, including 206,799 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for mission critical facilities 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 mission critical facilities 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

25,668Companies

728,242Contacts tracked

206,799Verified emails

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The 25 largest mission critical facilities contractors worldwide

Ranked by team size

Top 25 of 25,668 company matches for mission critical facilities 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	ABM Industries	Exact match	NY, United StatesHQ recorded Nov 6, 2026	10001+	23,828 contacts →
	Exact match “ABM is one of the world’s largest providers of integrated facility, engineering, and infrastructure solutions.” 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	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
5	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
6	Kharafi National	Exact match	3rd Settlement, EgyptHQ recorded Nov 6, 2026	5,001-10,000	4,922 contacts →
	Exact match “A Leading Integrated Construction, Facilities Management and Fabrication services developer in Power & Energy, Water, Waste-Water treatment and reclamation, Infrastructure…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Caverion	Exact match	Vantaa, FinlandHQ recorded Nov 6, 2026	10001+	4,697 contacts →
	Exact match “About Caverion Caverion is an expert for smart and sustainable built environments, enabling performance and people’s well-being.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	Hensel Phelps	Exact match	Greeley, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,371 contacts →
	Exact match “As an employee-owned company, Hensel Phelps culture is based on dedication and commitment to delivering EXCELLENCE for our clients and employees.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	4,310 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Enova By Veolia	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	5,001-10,000	4,188 contacts →
	Exact match “Enova is the regional leader in integrated energy and multi-technical services, delivering comprehensive services to its clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	S&b	Exact match	Houston, LA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,819 contacts →
	Exact match “S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Julius Berger Nigeria PLC	Exact match	Utako, NigeriaHQ recorded Nov 6, 2026	10001+	3,609 contacts →
	Exact match “Julius Berger Nigeria Plc is a leading construction company offering integrated construction solutions and related services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Vinci Facilities	Exact match	Watford, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,513 contacts →
	Exact match “VINCI Facilities UK is part of VINCI – a world leader in concessions, energy services and construction, operating in more than 120 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	Southland Industries	Exact match	Garden Grove, MD, United StatesHQ recorded Nov 6, 2026	10001+	3,122 contacts →
	Exact match “As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	BL Harbert International LLC	Exact match	Birmingham, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,089 contacts →
	Exact match “BL Harbert International, LLC began construction operations in under the leadership of Billy Harbert, Jr, carrying on a family tradition in the construction industry dating back…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Croonwolter&dros	Exact match	Rotterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,672 contacts →
	Exact match “For more than 140 years Croonwolter & dros has been in the vanguard of new developments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	Acco Engineered Systems	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,633 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 · Nov 6, 2026 · View company records in RevenueBase
24	Mercury	Exact match	Dublin, IrelandHQ recorded Nov 6, 2026	1,001-5,000	2,607 contacts →
	Exact match “Mercury is the European leader in construction solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Hitt Contracting INC	Exact match	Falls Church, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,603 contacts →
	Exact match “HITT Contracting provides a wide range of construction services across the nation, from complex core and shell buildings and renovations to interior fit-outs and routine service…” 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 “mission critical facilities 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 25,668 mission critical facilities contractors worldwide

See the full list, filter by size, metro and specialty, and access 206,799 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mission critical facilities contractors worldwide at a glance

As of Nov 6, 2026

28.4%Verified-email coverage

28.4Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,271

11-50

10,054

51-200

4,615

201-500

1,320

501-1,000

474

1,001-5,000

396

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 mission critical facilities contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “mission critical facilities 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 206,799 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 contractors by location

112 lists · largest first

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

How many mission critical facilities contractors are there worldwide?

RevenueBase identified 25,668 company matches for mission critical facilities 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?

ABM Industries 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 contractors?

The United States leads with 5,931 companies, followed by the United Kingdom (2,597) and Italy (1,612). Every mission critical facilities contractors list by country and city is linked on this page.

Which city has the most mission critical facilities contractors?

London leads with 311 company records, followed by Sao Paulo (275) and Dubai (268).

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 206,799 professional contacts with verified work emails tracked across these 25,668 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.