Company lists · Data refreshed November 2026

Top 25 Infrastructure security software companies worldwide

Name: Infrastructure security software companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 6,139 companies tracked

RevenueBase identified 6,139 company matches for infrastructure security software companies worldwide as of November 2026 and tracks 203,039 professional contacts across them, including 82,888 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for infrastructure security software companies 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 5, 2026. Country and city lists for infrastructure security software companies 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 5, 2026 How this list was built

6,139Companies

203,039Contacts tracked

82,888Verified emails

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The 25 largest infrastructure security software companies worldwide

Ranked by team size

Top 25 of 6,139 company matches for infrastructure security software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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, United StatesHQ recorded Nov 5, 2026	10001+	21,906 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 · Nov 5, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 5, 2026	10001+	15,414 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 · Nov 5, 2026 · View company records in RevenueBase
3	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	10001+	11,878 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Crowdstrike	Exact match	Remote, United StatesHQ recorded Nov 5, 2026	5,001-10,000	11,304 contacts →
	Exact match “CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Sophos	Exact match	Abingdon, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	5,283 contacts →
	Exact match “Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Qualys	Exact match	Foster City, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,323 contacts →
	Exact match “Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Infoblox	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,307 contacts →
	Exact match “Infoblox unites networking and security to deliver unmatched performance and protection.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Sentinelone	Exact match	Mountain View, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,154 contacts →
	Exact match “SentinelOne is the world's leading AI-powered cybersecurity platform.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Ivanti	Exact match	South Jordan, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,822 contacts →
	Exact match “Ivanti is a global enterprise IT and security software company that provides the trusted data authority for AI-driven, autonomous endpoint management.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Trend Micro	Exact match	Yoyogi, JapanHQ recorded Nov 5, 2026	5,001-10,000	2,797 contacts →
	Exact match “We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Barracuda	Exact match	Campbell, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,408 contacts →
	Exact match “Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Bitdefender	Exact match	Bucharest, RomaniaHQ recorded Nov 5, 2026	1,001-5,000	2,274 contacts →
	Exact match “Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Acronis	Exact match	Schaffhausen, SwitzerlandHQ recorded Nov 5, 2026	1,001-5,000	2,155 contacts →
	Exact match “Acronis is a global cyber protection company delivering the only natively integrated cybersecurity, data protection, and infrastructure management platform for managed service…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	ESET	Exact match	Bratislava, SlovakiaHQ recorded Nov 5, 2026	1,001-5,000	1,833 contacts →
	Exact match “When technology enables progress, ESET is here to protect it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Forcepoint	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,731 contacts →
	Exact match “Forcepoint simplifies security for global businesses and governments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Quick Heal	Exact match	Pune, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,561 contacts →
	Exact match “Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,413 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 · Nov 5, 2026 · View company records in RevenueBase
18	Forescout Technologies INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,236 contacts →
	Exact match “As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Imperva	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	10001+	1,192 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Opswat	Exact match	Tampa, FL, United StatesHQ recorded Nov 5, 2026	501-1,000	1,192 contacts →
	Exact match “OPSWAT protects critical infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Watchguard Technologies	Exact match	Seattle, WA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,174 contacts →
	Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Irdeto	Exact match	Hoofddorp, MN, NetherlandsHQ recorded Nov 5, 2026	1,001-5,000	1,091 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 · Nov 5, 2026 · View company records in RevenueBase
23	ALLOT	Exact match	Hod-hasharon, IsraelHQ recorded Nov 5, 2026	501-1,000	894 contacts →
	Exact match “Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Huntress	Exact match	Columbia, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	831 contacts →
	Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Claroty	Exact match	New York, United StatesHQ recorded Nov 5, 2026	501-1,000	779 contacts →
	Exact match “Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 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 “infrastructure security software companies”. 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 6,139 infrastructure security software companies worldwide

See the full list, filter by size, metro and specialty, and access 82,888 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure security software companies worldwide at a glance

As of Nov 5, 2026

40.8%Verified-email coverage

33.1Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,764

11-50

2,288

51-200

681

201-500

197

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 infrastructure security software companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “infrastructure security software companies” 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 82,888 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 5, 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.

Infrastructure security software companies by location

45 lists · largest first

Every Infrastructure security software companies 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 “infrastructure security software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure security software companies are there worldwide?

RevenueBase identified 6,139 company matches for infrastructure security software companies 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?

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 infrastructure security software companies?

The United States leads with 1,228 companies, followed by India (567) and the United Kingdom (312). Every infrastructure security software companies list by country and city is linked on this page.

Which city has the most infrastructure security software companies?

London leads with 120 company records, followed by Sao Paulo (86) and Dubai (78).

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 82,888 professional contacts with verified work emails tracked across these 6,139 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 5, 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.