Company lists · Data refreshed October 2026

Top 25 Cybersecurity for city infrastructure worldwide

Name: Cybersecurity for city infrastructure worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 7,522 companies tracked

RevenueBase identified 7,522 company matches for cybersecurity for city infrastructure worldwide as of October 2026 and tracks 168,460 professional contacts across them, including 61,379 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity for city infrastructure 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 October 1, 2026. Country and city lists for cybersecurity for city infrastructure 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 Oct 1, 2026 How this list was built

7,522Companies

168,460Contacts tracked

61,379Verified emails

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The 25 largest cybersecurity for city infrastructure worldwide

Ranked by team size

Top 25 of 7,522 company matches for cybersecurity for city infrastructure worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Palo Alto Networks	Exact match	Santa Clara, CA, United StatesHQ recorded Oct 1, 2026	10001+	18,431 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 1, 2026	10001+	14,289 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Private Sector	Exact match	United StatesHQ recorded Oct 1, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Sophos	Exact match	Abingdon, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Oct 1, 2026	1,001-5,000	3,673 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,222 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Inspira Enterprise	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	1,001-5,000	1,773 contacts →
	Exact match “Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Sangfor Technologies	Exact match	Shenzhen, ChinaHQ recorded Oct 1, 2026	5,001-10,000	1,297 contacts →
	Exact match “Sangfor Technologies is a global leader in cybersecurity, cloud computing, and IT infrastructure, providing fully integrated and AI-driven solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,252 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,232 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Irdeto	Exact match	Hoofddorp, NetherlandsHQ recorded Oct 1, 2026	1,001-5,000	1,026 contacts →
	Exact match “Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	874 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Oct 1, 2026	1,001-5,000	844 contacts →
	Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Softcell Technologies Global Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	501-1,000	763 contacts →
	Exact match “With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	SISA	Exact match	Bangalore, IndiaHQ recorded Oct 1, 2026	201-500	743 contacts →
	Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	S2grupo	Exact match	Valencia, SpainHQ recorded Oct 1, 2026	501-1,000	683 contacts →
	Exact match “We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Oct 1, 2026	1,001-5,000	639 contacts →
	Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Everfox	Exact match	Herndon, United StatesHQ recorded Oct 1, 2026	1,001-5,000	636 contacts →
	Exact match “Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Oct 1, 2026	501-1,000	629 contacts →
	Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Secunet Security Networks AG	Exact match	Essen, GermanyHQ recorded Oct 1, 2026	1,001-5,000	623 contacts →
	Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Advens	Exact match	Paris, ItalyHQ recorded Oct 1, 2026	501-1,000	586 contacts →
	Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Dragos, INC	Exact match	Hanover, MD, United StatesHQ recorded Oct 1, 2026	501-1,000	551 contacts →
	Exact match “Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Group-Ib	Exact match	SingaporeHQ recorded Oct 1, 2026	501-1,000	528 contacts →
	Exact match “Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 1, 2026	201-500	525 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Oct 1, 2026	501-1,000	523 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Oct 1, 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 “cybersecurity for city infrastructure”. 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 7,522 cybersecurity for city infrastructure worldwide

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Cybersecurity for city infrastructure worldwide at a glance

As of Oct 1, 2026

36.4%Verified-email coverage

22.4Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

3,665

11-50

2,801

51-200

752

201-500

177

501-1,000

1,001-5,000

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 cybersecurity for city infrastructure are linked below.
What qualifies: Company records worldwide whose business descriptions match “cybersecurity for city infrastructure” 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 61,379 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 October 1, 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.

Cybersecurity for city infrastructure by location

54 lists · largest first

Every Cybersecurity for city infrastructure 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 “cybersecurity for city infrastructure”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity for city infrastructure are there worldwide?

RevenueBase identified 7,522 company matches for cybersecurity for city infrastructure worldwide as of October 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?

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

Which country has the most cybersecurity for city infrastructure?

The United States leads with 1,035 companies, followed by India (757) and the United Kingdom (194). Every cybersecurity for city infrastructure list by country and city is linked on this page.

Which city has the most cybersecurity for city infrastructure?

London leads with 150 company records, followed by Dubai (98) and Sao Paulo (77).

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 61,379 professional contacts with verified work emails tracked across these 7,522 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 October 1, 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.