Company lists · Data verified August 2026

Top 25 Cybersecurity for industrial systems based in the United States

Name: Cybersecurity for industrial systems based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,406 companies tracked

There are 1,406 cybersecurity for industrial systems headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 23,425 professional contacts across them, including 9,310 with verified work emails and 8,103 with mobile numbers. Houston is the largest hub.

This list covers cybersecurity for industrial systems headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,406Companies

23,425Contacts tracked

9,310Verified emails

8,103Mobile numbers

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The 25 largest cybersecurity for industrial systems based in the United States

Ranked by team size

Top 25 of 1,406 cybersecurity for industrial systems based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Trellix	Plano, TX	1,001-5,000	3,490	1,633
2	Guidepoint Security	Tampa, FL	1,001-5,000	1,234	809
3	PAS	Houston, TX	201-500	1,227	25
4	Dragos, INC	Houston, TX	501-1,000	544	382
5	Ultraviolet Cyber	Phoenix, AZ	501-1,000	517	258
6	Securityhq	New York, NY	501-1,000	492	279
7	Amsys Innovative Solutions	Houston, TX	201-500	311	123
8	Cipher A Prosegur Company	Miami, FL	201-500	294	70
9	Baxter Clewis Cybersecurity	Cedar Hill, TX	201-500	251	17
10	GM Sectec	Santurce	1,001-5,000	241	69
11	Epsilon Inc., An American Systems Company	Greenville, SC	201-500	225	98
12	Mindpoint Group, A Tyto Athene Company	Reston, VA	1,001-5,000	208	7
13	Stone Security, A Bearcom Company	Lakewood, CO	201-500	199	117
14	Nextgen Security	Austin, TX	201-500	185	155
15	Deepseas	n/a	201-500	185	132
16	Cyber Advisors	Maple Grove, MN	201-500	180	112
17	Hitachi Cyber	Santa Clara, CA	501-1,000	161	58
18	Harbor IT	New York, NY	201-500	160	36
19	At&t Cybersecurity	Dallas, TX	1,001-5,000	158	29
20	Valiant Solutions	Mclean, VA	201-500	156	94
21	Ciso Global	Scottsdale, AZ	201-500	134	85
22	Helpsystems	Eden Prairie, MN	1,001-5,000	132	27
23	Everline	Houston, TX	201-500	101	74
24	Redlattice, INC	Washington, DC	501-1,000	74	55
25	OPS Tech Alliance	Clearwater, FL	201-500	64	4

Showing 25 of 1,406 cybersecurity for industrial systems based in the United States

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Cybersecurity for industrial systems based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

HoustonLargest hub · 44 HQs

8,103Contacts with mobile numbers

17Emails re-verified in last 30 days

Companies by employee count

1-10

740

11-50

455

51-200

150

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity for industrial systems by metro

Metro	Companies
Cybersecurity for industrial systems in Houston	44
Cybersecurity for industrial systems in New York	35
Cybersecurity for industrial systems in Dallas	27
Cybersecurity for industrial systems in Washington	25
Cybersecurity for industrial systems in Atlanta	23
Cybersecurity for industrial systems in Austin	23
Cybersecurity for industrial systems in Miami	23

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity for industrial systems”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 17 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity for industrial systems are there based in the United States?

There are 1,406 cybersecurity for industrial systems headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Trellix, headquartered in Plano, tops this list with the largest team on record.

Which city has the most cybersecurity for industrial systems?

Houston leads with 44 headquartered companies, followed by New York (35) and Dallas (27).

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 9,310 verified decision-maker contacts tracked across these 1,406 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.