Company lists · Data refreshed September 2026

Top 25 Utility grid security companies worldwide

RevenueBase identified 1,300 company matches for utility grid security companies worldwide as of September 2026 and tracks 41,184 professional contacts across them, including 18,273 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for utility grid security 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 September 29, 2026. Country and city lists for utility grid security 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 Sep 29, 2026 How this list was built
1,300Companies
41,184Contacts tracked
18,273Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest utility grid security companies worldwide

Ranked by team size
Top 25 of 1,300 company matches for utility grid security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSunnyvale, CA, United StatesHQ recorded Sep 29, 202610001+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 · Sep 29, 2026 · View company records in RevenueBase
2Exact matchAbingdon, United KingdomHQ recorded Sep 29, 20265,001-10,0004,925 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 29, 2026 · View company records in RevenueBase
3Exact matchBengaluru, IndiaHQ recorded Sep 29, 2026201-500743 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 · Sep 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,000725 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 · Sep 29, 2026 · View company records in RevenueBase
5Exact matchValencia, SpainHQ recorded Sep 29, 2026501-1,000683 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 · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSan Jose, CA, United StatesHQ recorded Sep 29, 2026501-1,000651 contacts →

Exact match

“Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchHerndon, United StatesHQ recorded Sep 29, 20261,001-5,000636 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchHanover, MD, United StatesHQ recorded Sep 29, 2026501-1,000551 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 · Sep 29, 2026 · View company records in RevenueBase
9Exact matchFairport, NY, United StatesHQ recorded Sep 29, 2026501-1,000494 contacts →

Exact match

“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 29, 2026201-500493 contacts →

Exact match

“World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchJakarta, IndonesiaHQ recorded Sep 29, 2026201-500388 contacts →

Exact match

“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026201-500375 contacts →

Exact match

“We protect the world’s critical infrastructure from cyber threats.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact match경기도, South KoreaHQ recorded Sep 29, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSwedenHQ recorded Sep 29, 2026201-500332 contacts →

Exact match

“Prevent Breach & Minimize Impact”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchAhmedabad, IndiaHQ recorded Sep 29, 2026201-500304 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchPrinceton, NJ, United StatesHQ recorded Sep 29, 2026201-500276 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchRijswijk, NetherlandsHQ recorded Sep 29, 2026201-500233 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchOrlando, FL, United StatesHQ recorded Sep 29, 2026201-500231 contacts →

Exact match

“Fortress is the AI-powered cybersecurity company defending critical infrastructure, government agencies, and their supply chains against cyber threats and mission risks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 20261,001-5,000230 contacts →

Exact match

“Hillstone Networks’ Integrative Cyber Security approach delivers coverage, control, and consolidation to secure digital transformation for more than enterprises worldwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Sep 29, 2026201-500191 contacts →

Exact match

“S21Sec, Cyber Solutions by Thales, is a leading European Cybersecurity pure-player, with more than 400 security experts and an Iberian SOC.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchJakarta, IndonesiaHQ recorded Sep 29, 202651-200189 contacts →

Exact match

“Protergo is an Indonesia-based cybersecurity company committed to delivering world-class security solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchGlobally Distributed, United StatesHQ recorded Sep 29, 2026201-500182 contacts →

Exact match

“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20261,001-5,000156 contacts →

Exact match

“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200139 contacts →

Exact match

“Gridware is a technology company focused on protecting and enhancing the electrical grid.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Sep 29, 202651-200138 contacts →

Exact match

“European leader in intrusion detection and advanced threat detection, Gatewatcher has been protecting the critical networks of large companies as well as public institutions since…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,300 utility grid security companies worldwide

See the full list, filter by size, metro and specialty, and access 18,273 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Utility grid security companies worldwide at a glance

As of Sep 29, 2026
44.4%Verified-email coverage
31.7Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Dubai
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
580
11-50
498
51-200
140
201-500
39
501-1,000
19
1,001-5,000
12
5,001-10,000
5
10001+
5

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 utility grid security companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “utility grid security 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 18,273 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 29, 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.

Utility grid security companies by location

9 lists · largest first

Every Utility grid 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 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 “utility grid security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility grid security companies are there worldwide?

RevenueBase identified 1,300 company matches for utility grid security companies 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?

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

Which country has the most utility grid security companies?

The United States leads with 319 companies, followed by India (123) and the United Kingdom (58). Every utility grid security companies list by country and city is linked on this page.

Which city has the most utility grid security companies?

Dubai leads with 22 company records, followed by London (22) and Hyderabad (13).

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 18,273 professional contacts with verified work emails tracked across these 1,300 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,300 utility grid security companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.