Company lists · Data refreshed September 2026

Top 25 Iiot security companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,714 companies tracked

RevenueBase identified 1,714 iiot security companies worldwide as of September 2026 and tracks 73,541 professional contacts across them, including 34,820 with verified work emails. The United States is the largest market and London the largest hub.

This list covers iiot security companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for iiot security companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

1,714Companies

73,541Contacts tracked

34,820Verified emails

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The 25 largest iiot security companies worldwide

Ranked by team size

Top 25 of 1,714 iiot security companies worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iiot security companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Palo Alto Networks	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	10001+	18,431 contacts →
	Indirect evidence “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Source: RevenueBase Database · checked Sep 28, 2026
2	Fortinet	Indirect evidence	Sunnyvale, CA, United StatesHQ checked Sep 28, 2026	10001+	14,289 contacts →
	Indirect evidence “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Source: RevenueBase Database · checked Sep 28, 2026
3	Sophos	Indirect evidence	Abingdon, United KingdomHQ checked Sep 28, 2026	5,001-10,000	4,925 contacts →
	Indirect evidence “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Source: RevenueBase Database · checked Sep 28, 2026
4	Trellix	Partial evidence	Plano, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,447 contacts →
	Partial evidence “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Source: RevenueBase Database · checked Sep 28, 2026
5	Fortra	Indirect evidence	Eden Prairie, MN, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,648 contacts →
	Indirect evidence “Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.” Source: RevenueBase Database · checked Sep 28, 2026
6	PAS	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	201-500	1,231 contacts →
	Indirect evidence “PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Source: RevenueBase Database · checked Sep 28, 2026
7	Forescout Technologies INC	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,181 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
8	Orbcomm	Indirect evidence	Sterling, VA, United StatesHQ checked Sep 28, 2026	501-1,000	735 contacts →
	Indirect evidence “ORBCOMM is a global leader in industrial IoT, delivering visibility, intelligence and efficiency to the world's most critical operations.” Source: RevenueBase Database · checked Sep 28, 2026
9	Claroty	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	725 contacts →
	Indirect evidence “Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Source: RevenueBase Database · checked Sep 28, 2026
10	S2grupo	Indirect evidence	Valencia, SpainHQ checked Sep 28, 2026	501-1,000	683 contacts →
	Indirect evidence “We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Source: RevenueBase Database · checked Sep 28, 2026
11	Vectra AI	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 28, 2026	501-1,000	651 contacts →
	Indirect evidence “Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Source: RevenueBase Database · checked Sep 28, 2026
12	Secunet Security Networks AG	Indirect evidence	Essen, GermanyHQ checked Sep 28, 2026	1,001-5,000	623 contacts →
	Indirect evidence “secunet – We are the Guardians of Europe's Digital Freedom.” Source: RevenueBase Database · checked Sep 28, 2026
13	Grupo Khronos	Indirect evidence	São José, BrazilHQ checked Sep 28, 2026	1,001-5,000	617 contacts →
	Indirect evidence “O Grupo Khronos é referência nacional em soluções integradas de segurança, tecnologia e IoT.” Source: RevenueBase Database · checked Sep 28, 2026
14	Dragos, INC	Indirect evidence	Hanover, MD, United StatesHQ checked Sep 28, 2026	501-1,000	551 contacts →
	Indirect evidence “Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Source: RevenueBase Database · checked Sep 28, 2026
15	Arlo Technologies, INC	Indirect evidence	Milpitas, CA, United StatesHQ checked Sep 28, 2026	201-500	483 contacts →
	Indirect evidence “We are a passionate and diverse group of thought leaders, creators, and developers across all disciplines dedicated to changing how people protect and connect with the people and…” Source: RevenueBase Database · checked Sep 28, 2026
16	Tttech	Indirect evidence	Vienna, AustriaHQ checked Sep 28, 2026	1,001-5,000	480 contacts →
	Indirect evidence “is a global provider of safe and secure networked computing platforms, turning megatrends like the Internet of Things and autonomous mobility into reality.” Source: RevenueBase Database · checked Sep 28, 2026
17	Addsecure	Indirect evidence	Stockholm, SwedenHQ checked Sep 28, 2026	1,001-5,000	418 contacts →
	Indirect evidence “AddSecure is a leading European provider of secure IoT connectivity and end-to-end solutions.” Source: RevenueBase Database · checked Sep 28, 2026
18	Equans Digital	Indirect evidence	Courbevoie, FranceHQ checked Sep 28, 2026	5,001-10,000	393 contacts →
	Indirect evidence “Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Source: RevenueBase Database · checked Sep 28, 2026
19	PT Itsec Asia TBK	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 28, 2026	201-500	388 contacts →
	Indirect evidence “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Source: RevenueBase Database · checked Sep 28, 2026
20	Nozomi Networks	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	375 contacts →
	Indirect evidence “We protect the world’s critical infrastructure from cyber threats.” Source: RevenueBase Database · checked Sep 28, 2026
21	Kritilabs Technologies	Partial evidence	Chennai, IndiaHQ checked Sep 28, 2026	201-500	355 contacts →
	Partial evidence “KritiLabs helps companies across verticals to effectively manage their remote assets on a real-time basis through its IoT security platform, ALS.” Source: RevenueBase Database · checked Sep 28, 2026
22	Infopercept	Partial evidence	Ahmedabad, IndiaHQ checked Sep 28, 2026	201-500	304 contacts →
	Partial evidence “Infopercept is a global cybersecurity company dedicated to transforming how organizations perceive and implement security.” Source: RevenueBase Database · checked Sep 28, 2026
23	Niksun	Indirect evidence	Princeton, NJ, United StatesHQ checked Sep 28, 2026	201-500	276 contacts →
	Indirect evidence “In the ever-growing world of Cloud Computing, Big Data and the Internet of Things, NIKSUN® is the industry leader in making the unknown known.” Source: RevenueBase Database · checked Sep 28, 2026
24	Hillstone Networks	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	230 contacts →
	Partial evidence “Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
25	Alhambra IT	Indirect evidence	Madrid, SpainHQ checked Sep 28, 2026	201-500	229 contacts →
	Indirect evidence “Alhambra es una compañía IT que ayuda a cualquier tipo de organización a proteger sus datos, sus comunicaciones y sus procesos contra todo tipo de incidentes a través de Servicios…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: iiot security companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names iiot security companies.
Partial evidence: Its own public description names part of iiot security companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iiot security companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,714 iiot security companies worldwide

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Iiot security companies worldwide at a glance

As of Sep 28, 2026

47.3%Verified-email coverage

42.9Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

758

11-50

652

51-200

205

201-500

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among iiot security companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for iiot security companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “iiot security companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names iiot security companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among iiot security companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 34,820 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Iiot security companies by location

14 lists · largest first

Every Iiot security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Iiot security companies based in London, United Kingdom34

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names iiot security companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many iiot security companies are there worldwide?

RevenueBase identified 1,714 iiot security companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Palo Alto Networks, headquartered in Santa Clara, tops this list with the largest team on record.

Which country has the most iiot security companies?

The United States leads with 333 companies, followed by India (153) and the United Kingdom (71). Every iiot security companies list by country and city is linked on this page.

Which city has the most iiot security companies?

London leads with 35 headquartered companies, followed by Dubai (20) and Mumbai (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 34,820 verified decision-maker contacts tracked across these 1,714 companies.

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 Smart Search, 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.