Company lists · Data refreshed September 2026

Top 25 Connected device security companies worldwide

RevenueBase identified 2,021 connected device security companies worldwide as of September 2026 and tracks 86,480 professional contacts across them, including 33,416 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers connected device 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 27, 2026. Country and city lists for connected device 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 27, 2026 86% judged on-target in blind review
2,021Companies
86,480Contacts tracked
33,416Verified emails
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The 25 largest connected device security companies worldwide

Ranked by team size
Top 25 of 2,021 connected device security companies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to connected device 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 2026n/a20,475 contacts →

Strong evidence

“ADT is the most trusted name in smart home security, helping protect and connect what matters most at home and beyond.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 27, 202610001+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 27, 2026
3Partial evidenceSunnyvale, CA, United StatesHQ checked Sep 27, 202610001+14,289 contacts →

Partial 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 27, 2026
4Indirect evidenceYoyogi, JapanHQ checked Sep 27, 20265,001-10,0004,942 contacts →

Indirect evidence

“We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidencePune, IndiaHQ checked Sep 27, 20261,001-5,0001,510 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 2026501-1,0001,253 contacts →

Indirect evidence

“Being safe should be simple.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceAustin, TX, United StatesHQ checked Sep 27, 202610001+1,217 contacts →

Indirect evidence

“On Dec.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceHoofddorp, NetherlandsHQ checked Sep 27, 20261,001-5,0001,026 contacts →

Partial evidence

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidenceSeattle, WA, United StatesHQ checked Sep 27, 2026501-1,000794 contacts →

Strong evidence

“Absolute Security is partnered with more than 28 of the world’s leading endpoint device manufacturers, embedded in the firmware of 600 million devices, trusted by global…”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceEssen, GermanyHQ checked Sep 27, 20261,001-5,000623 contacts →

Indirect evidence

“secunet – We are the Guardians of Europe's Digital Freedom.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceHelsinki, FinlandHQ checked Sep 27, 202651-200593 contacts →

Indirect evidence

“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceTulsa, TX, United StatesHQ checked Sep 27, 2026501-1,000572 contacts →

Partial evidence

“Alert 360 security is a trusted and best-in-class provider of reliable security solutions for homes and businesses.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceBochum, GermanyHQ checked Sep 27, 2026501-1,000386 contacts →

Indirect evidence

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceChennai, IndiaHQ checked Sep 27, 2026201-500355 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 27, 2026
15Indirect evidenceOlivos, ArgentinaHQ checked Sep 27, 2026501-1,000338 contacts →

Indirect evidence

“LoJack ahora es Strix.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceAhmedabad, IndiaHQ checked Sep 27, 2026201-500304 contacts →

Partial evidence

“Infopercept is a global cybersecurity company dedicated to transforming how organizations perceive and implement security.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceIndianapolis, United StatesHQ checked Sep 27, 202610001+302 contacts →

Partial evidence

“Sonitrol is the industry leader in verified electronic security and provides customers with a single source of integrated security solutions for intrusion, video, access and fire.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceEdinburgh, United KingdomHQ checked Sep 27, 2026201-500297 contacts →

Indirect evidence

“At Quorum Cyber, we're on a mission to help good people win.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceRishon-lezion, IsraelHQ checked Sep 27, 2026501-1,000294 contacts →

Partial evidence

“For over 40 years, RISCO Group has been shaping the future of professional security.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 27, 20261,001-5,000230 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 27, 2026
21Partial evidenceMumbai, IndiaHQ checked Sep 27, 2026201-500229 contacts →

Partial evidence

“We are Essen Vision, ‘Digital Security Specialists’ whose sole focus for more than 28 years has been to provide digital protection that unlocks the true value of your security…”

Source: RevenueBase Database · checked Sep 27, 2026
22Strong evidenceHerzliya, IsraelHQ checked Sep 27, 2026201-500217 contacts →

Strong evidence

“About Essence Essence is a global provider of IoT connected-living and cybersecurity solutions for communication, security, and healthcare service providers, serving households…”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidencePune, IndiaHQ checked Sep 27, 20261,001-5,000192 contacts →

Indirect evidence

“Seqrite is a leading enterprise cybersecurity solutions provider.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceEdmonton, AB, CanadaHQ checked Sep 27, 2026201-500185 contacts →

Partial evidence

“We Speak Home At Fluent Home, we are an organization which seeks to enhance the quality of the lives of our valued customers through state-of-the-art home security, technology…”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceYainville, FranceHQ checked Sep 27, 202651-200172 contacts →

Partial evidence

“Depuis 1986, IVT Security s’adapte aux évolutions technologiques en matière de sécurité destinée aux professionnels.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 2,021 connected device security companies worldwide

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Connected device security companies worldwide at a glance

As of Sep 27, 2026
38.6%Verified-email coverage
42.8Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
951
11-50
712
51-200
226
201-500
50
501-1,000
18
1,001-5,000
28
5,001-10,000
8
10001+
9

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 connected device 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 connected device security companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “connected device 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 connected device 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 connected device 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, 33,416 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 27, 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.

Connected device security companies by location

12 lists · largest first

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

Countries

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 connected device 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 connected device security companies are there worldwide?

RevenueBase identified 2,021 connected device 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?

ADT, headquartered in Boca Raton, tops this list with the largest team on record.

Which country has the most connected device security companies?

The United States leads with 466 companies, followed by Brazil (148) and India (125). Every connected device security companies list by country and city is linked on this page.

Which city has the most connected device security companies?

Sao Paulo leads with 27 headquartered companies, followed by Shenzhen (26) and London (22).

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 33,416 verified decision-maker contacts tracked across these 2,021 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 27, 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.