Company lists · Data refreshed September 2026

Top 25 Managed security services for industrial operations worldwide

Name: Managed security services for industrial operations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 17,364 companies tracked

RevenueBase identified 17,364 company matches for managed security services for industrial operations worldwide as of September 2026 and tracks 607,187 professional contacts across them, including 107,606 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for managed security services for industrial operations 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 September 28, 2026. Country and city lists for managed security services for industrial operations 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 Sep 28, 2026 How this list was built

17,364Companies

607,187Contacts tracked

107,606Verified emails

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The 25 largest managed security services for industrial operations worldwide

Ranked by team size

Top 25 of 17,364 company matches for managed security services for industrial operations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Allied Universal	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	10001+	62,804 contacts →
	Exact match “Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Prosegur	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	10001+	40,747 contacts →
	Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Securitas Security Services Usa, INC	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 28, 2026	10001+	38,634 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Sulzer	Exact match	Winterthur, SwitzerlandHQ recorded Sep 28, 2026	10001+	8,220 contacts →
	Exact match “Sulzer is a global leader in critical applications for core infrastructure and processes for large essential industries around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Gocil Tecnologia EM Segurança E Serviços	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	10001+	7,986 contacts →
	Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Grupo Souza Lima	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	10001+	6,854 contacts →
	Exact match “Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Chubb Fire & Security	Exact match	Staines, United KingdomHQ recorded Sep 28, 2026	10001+	6,169 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Blackberry	Exact match	Waterloo, ON, CanadaHQ recorded Sep 28, 2026	1,001-5,000	6,085 contacts →
	Exact match “Safe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 28, 2026	10001+	5,707 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	4,925 contacts →
	Exact match “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Certis	Exact match	SingaporeHQ recorded Sep 28, 2026	10001+	4,610 contacts →
	Exact match “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Graber Sistemas DE Segurança	Exact match	Barueri, BrazilHQ recorded Sep 28, 2026	10001+	4,572 contacts →
	Exact match “A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Securitas France	Exact match	Issy-les-moulineaux, FranceHQ recorded Sep 28, 2026	10001+	3,843 contacts →
	Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	U.S. Security Associates, INC	Exact match	Roswell, GA, United StatesHQ recorded Sep 28, 2026	10001+	3,592 contacts →
	Exact match “U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Trellix	Exact match	Plano, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,447 contacts →
	Exact match “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Arctic Wolf	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,145 contacts →
	Exact match “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Tyco Simplexgrinnell	Exact match	Cork, IrelandHQ recorded Sep 28, 2026	10001+	3,119 contacts →
	Exact match “Tyco is now Johnson Controls, the world leader in fire protection, security, HVAC, building controls and energy storage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Securitas Sverige AB	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	5,001-10,000	3,004 contacts →
	Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Rapid7	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,822 contacts →
	Exact match “Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Grupo GR	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	10001+	2,772 contacts →
	Exact match “Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	M.C. Dean, INC	Exact match	Tysons, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,761 contacts →
	Exact match “M.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Orsegups Participações S A	Exact match	São José, BrazilHQ recorded Sep 28, 2026	5,001-10,000	2,462 contacts →
	Exact match “A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Andy Frain Services	Exact match	Aurora, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,266 contacts →
	Exact match “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Advanced Technology Services ATS	Exact match	Peoria, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,216 contacts →
	Exact match “Advanced Technology Services, Inc.(ATS) is a single source for industrial maintenance, technology and parts, offering a complete solution for support, training, monitoring and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Fm2c	Exact match	Campinas, BrazilHQ recorded Sep 28, 2026	5,001-10,000	2,181 contacts →
	Exact match “A FM2C destaca-se no cenário empresarial brasileiro como uma força inovadora no setor de Serviços Industriais, Facilities e Volantes.” Recorded in the RevenueBase company graph · Sep 28, 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 “managed security services for industrial operations”. 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 17,364 managed security services for industrial operations worldwide

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Managed security services for industrial operations worldwide at a glance

As of Sep 28, 2026

17.7%Verified-email coverage

35.0Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

6,647

11-50

6,019

51-200

2,609

201-500

904

501-1,000

425

1,001-5,000

458

5,001-10,000

102

10001+

109

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 managed security services for industrial operations are linked below.
What qualifies: Company records worldwide whose business descriptions match “managed security services for industrial operations” 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 107,606 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 September 28, 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.

Managed security services for industrial operations by location

92 lists · largest first

Every Managed security services for industrial operations 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 “managed security services for industrial operations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed security services for industrial operations are there worldwide?

RevenueBase identified 17,364 company matches for managed security services for industrial operations worldwide as of September 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?

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

Which country has the most managed security services for industrial operations?

The United States leads with 3,034 companies, followed by Brazil (1,278) and the United Kingdom (1,053). Every managed security services for industrial operations list by country and city is linked on this page.

Which city has the most managed security services for industrial operations?

Sao Paulo leads with 281 company records, followed by London (260) and Dubai (122).

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 107,606 professional contacts with verified work emails tracked across these 17,364 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 September 28, 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.