Company lists · Data refreshed October 2026

Top 25 Cybersecurity services firms based in Houston, United States

Name: Cybersecurity services firms based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 145 companies tracked

RevenueBase identified 145 company matches for cybersecurity services firms associated with Houston, United States as of October 2026 and tracks 1,934 professional contacts across them, including 794 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Houston has 145.

This list covers company matches for cybersecurity services firms associated with Houston, 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 October 1, 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 Oct 1, 2026 How this list was built

145Companies

1,934Contacts tracked

794Verified emails

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The 25 largest cybersecurity services firms based in Houston, United States

Ranked by team size

Top 25 of 145 company matches for cybersecurity services firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Meriplex	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	501-1,000	450 contacts →
	Exact match “If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Amsys Innovative Solutions	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	201-500	302 contacts →
	Exact match “AMSYS is a nationwide IT Services Provider headquartered in Houston, TX.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Valuementor	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	51-200	167 contacts →
	Exact match “ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Aldridge	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	51-200	132 contacts →
	Exact match “Aldridge is an IT outsourcing, consulting, and cybersecurity company that specializes in providing best-fit technology solutions to midsize organizations and small organizations…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Symposia	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	104 contacts →
	Exact match “An end-to-end intelligence platform that delivers Cybersecurity Trust Services & hands-on education to global industry leaders.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Scis Security	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	58 contacts →
	Exact match “Accredited and Veteran Owned and Operated •Cyber Security \| MSSP Security Operations Center, CISO Advisory, Penetration Testing, Incident Response DFIR), and IT Security…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Quantavenues	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	n/a	53 contacts →
	Exact match “Quantavenues is a premium cybersecurity consulting and managed security partner for mid-market and enterprise organizations, built for the threat landscape of 2026, not the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Armexa	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	25 contacts →
	Exact match “At Armexa, we protect what matters most.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Alliant Cybersecurity	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	51-200	24 contacts →
	Exact match “Several years ago as cyber threats were becoming more and more advanced, we decided to search for a cybersecurity partner to help protect our client’s sensitive data and our…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	SET Solutions, A Trace3 Company	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	51-200	21 contacts →
	Exact match “Set Solutions is now a Trace3 Company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	securitygate.io	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “SecurityGate is a Houston-based cybersecurity software company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Enstep Technology Solutions	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “Enstep Technology Solutions \| IT That Works for You At Enstep Technology Solutions, we go beyond traditional IT support-we are your strategic technology partner, helping…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Invoke	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “Invoke integrates unified cybersecurity and innovative business solutions for mid-to-large enterprises.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Cyber ONE Solutions	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match “Cyber One Solutions is a Info Security and IT Managed Services and Consulting Company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	RED Trident INC	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Ikon Tech	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	51-200	14 contacts →
	Exact match “Ikon Tech is a highly regarded cybersecurity and IT infrastructure management company that provides comprehensive solutions to businesses of all sizes as they strive for digital…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Santcore Technologies	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Santcore Technologies is a multidisciplinary IT consulting and solutions firm specializing in cybersecurity, GRC, cloud architecture, application security, digital transformation…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Itegriti Corporation	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “ITEGRITI /eye-teg-riti/ We Secure Critical Infrastructure.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Intelos	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “At Intelos, we drive meaningful change, revolutionizing business capabilities through high-quality IT services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Revelsec, A Dataprise Company	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “RevelSec, a Dataprise company, provides a full-suite of solutions and services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	H5 Strategic Alliances	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “H5 Strategic Alliances seeks to defend an organization’s infrastructure against cybersecurity threats and vulnerabilities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Merlin Solutions LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “Merlin Solutions is an IT Services company, and our focus is Cybersecurity, AI Adoption, SAP, Managed Services and IT Staff augmentation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Triad Infosec	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “In a world where cyber threats never sleep, Triad InfoSec delivers battle-tested solutions built on decades of real-world defense and military precision.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	NEXUS	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Welcome to Nexus, where cutting-edge technology meets unparalleled expertise.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Daakyi	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “DAAKYI is a cybersecurity, digital trust, and infrastructure innovation company built to secure the modern digital economy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity services firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 145 cybersecurity services firms based in Houston, United States

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Cybersecurity services firms based in Houston, United States at a glance

As of Oct 1, 2026

41.1%Verified-email coverage

13.3Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 145 companies.

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 Houston, United States whose business descriptions match “cybersecurity services firms” 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 794 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 October 1, 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.

Cybersecurity services firms by metro in the United States

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 “cybersecurity services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services firms are there based in Houston, United States?

RevenueBase identified 145 company matches for cybersecurity services firms associated with Houston, United States as of October 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?

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

Which city in the United States has the most cybersecurity services firms?

New York leads the United States with 276 company records, followed by Washington (154) and Austin (153). Houston has 145.

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 794 professional contacts with verified work emails tracked across these 145 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 October 1, 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.