Company lists · Data refreshed September 2026

Top 25 Industrial control system security based in the United States

RevenueBase identified 632 company matches for industrial control system security associated with the United States as of September 2026 and tracks 16,041 professional contacts across them, including 7,068 with verified work emails and 5,399 with mobile numbers. Houston is the largest hub.

This list covers company matches for industrial control system security associated with the United States, 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 3, 2026.

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 3, 2026 How this list was built
632Companies
16,041Contacts tracked
7,068Verified emails
5,399Mobile numbers
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The 25 largest industrial control system security based in the United States

Ranked by team size
Top 25 of 632 company matches for industrial control system security based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 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 matchPlano, TX, United StatesHQ recorded Sep 3, 20261,001-5,0003,490 contacts →

Exact match

“Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2Exact matchReston, FL, United StatesHQ recorded Sep 3, 20261,001-5,0001,234 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 · Sep 3, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 3, 2026201-5001,227 contacts →

Exact match

“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
4Exact matchSan Jose, CA, United StatesHQ recorded Sep 3, 20261,001-5,0001,165 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 · Sep 3, 2026 · View company records in RevenueBase
5Exact matchHanover, TX, United StatesHQ recorded Sep 3, 2026501-1,000544 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 3, 2026 · View company records in RevenueBase
6Exact matchPrinceton, NJ, United StatesHQ recorded Sep 3, 2026201-500274 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 3, 2026 · View company records in RevenueBase
7Exact matchSanta Clara, CA, United StatesHQ recorded Sep 3, 20261,001-5,000231 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 3, 2026 · View company records in RevenueBase
8Exact matchSalt Lake City, CO, United StatesHQ recorded Sep 3, 2026201-500199 contacts →

Exact match

“Stone Security has been driving the implementation of network-based surveillance, access control and intrusion systems for over 15 years.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9Exact matchExton, TX, United StatesHQ recorded Sep 3, 2026201-500185 contacts →

Exact match

“NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Sep 3, 2026201-500185 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 3, 2026 · View company records in RevenueBase
11Exact matchArlington, VA, United StatesHQ recorded Sep 3, 202651-200167 contacts →

Exact match

“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12Exact matchDallas, TX, United StatesHQ recorded Sep 3, 20261,001-5,000158 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 3, 2026 · View company records in RevenueBase
13Exact matchColchester, MA, United StatesHQ recorded Sep 3, 202651-200149 contacts →

Exact match

“NuHarbor Security is a leading national cybersecurity services firm, supporting the diverse needs of hundreds of clients with clear, comprehensive, and outcome-based solutions.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14Exact matchArlington, VA, United StatesHQ recorded Sep 3, 202651-200137 contacts →

Exact match

“Former military officers who stood up U.S.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15Exact matchEden Prairie, MN, United StatesHQ recorded Sep 3, 20261,001-5,000132 contacts →

Exact match

“HelpSystems has long been known for helping organizations become more secure and autonomous.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16Exact matchNew Lenox, IN, United StatesHQ recorded Sep 3, 2026201-500129 contacts →

Exact match

“Single Source for Integrated Systems Quad Plus provides industrial control systems, solutions, and services to a variety of industries.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Sep 3, 2026201-500127 contacts →

Exact match

“Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18Exact matchSan Antonio, TX, United StatesHQ recorded Sep 3, 202651-200120 contacts →

Exact match

“CNF is a top cybersecurity provider in San Antonio Texas.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19Exact matchColumbia, MD, United StatesHQ recorded Sep 3, 202651-200119 contacts →

Exact match

“SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20Exact matchChristiansburg, VA, United StatesHQ recorded Sep 3, 202651-200115 contacts →

Exact match

“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21Exact matchDenver, CO, United StatesHQ recorded Sep 3, 202651-200112 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 3, 2026n/a107 contacts →

Exact match

“ShorePoint recognizes that cybersecurity is the challenge of our generation.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 3, 202651-200103 contacts →

Exact match

“We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 3, 2026201-500101 contacts →

Exact match

“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
25Exact matchFairlawn, OH, United StatesHQ recorded Sep 3, 202651-200100 contacts →

Exact match

“TrustedSec is an end-to-end security consulting company that provides customized services to build client-defined success.”

Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase

Showing 25 of 632 industrial control system security based in the United States

See the full list, filter by size, metro and specialty, and access 7,068 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial control system security based in the United States at a glance

As of Sep 3, 2026
44.1%Verified-email coverage
33.7%Mobile-number coverage
25.4Average contacts per company
11-50Median size (employees)
4.0%Largest-city concentration · Houston
Sep 3, 2026Page data refreshed

Companies by employee count

1-10
295
11-50
229
51-200
72
201-500
17
501-1,000
7
1,001-5,000
8
5,001-10,000
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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.
What qualifies
Company records associated with the United States whose business descriptions match “industrial control system security” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 7,068 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 3, 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.

Industrial control system security by metro

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 “industrial control system security”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial control system security are there based in the United States?

RevenueBase identified 632 company matches for industrial control system security associated with the United States 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?

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

Which city has the most industrial control system security?

Houston leads with 25 company records, followed by New York (17) and Austin (15).

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 7,068 professional contacts with verified work emails tracked across these 632 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 3, 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.