Company lists · Data refreshed October 2026

Top 25 Cybersecurity services firms based in Dallas, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 123 companies tracked

RevenueBase identified 123 company matches for cybersecurity services firms associated with Dallas, United States as of October 2026 and tracks 1,744 professional contacts across them, including 711 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Dallas has 123.

This list covers company matches for cybersecurity services firms associated with Dallas, 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

123Companies

1,744Contacts tracked

711Verified emails

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

Ranked by team size

Top 25 of 123 company matches for cybersecurity services firms based in Dallas, 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	Levelblue	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	594 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	At&t Cybersecurity	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	156 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 · Oct 1, 2026 · View company records in RevenueBase
3	Sq1 Security	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	201-500	154 contacts →
	Exact match “SQ1 Security is a global cybersecurity leader offering end-to-end cybersecurity and compliance solution.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Configure, INC	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	201-500	89 contacts →
	Exact match “At Configure, we don’t just connect networks, we connect people, ideas, and possibilities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Zyston LLC	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	70 contacts →
	Exact match “Zyston is a next‑generation cybersecurity partner dedicated to helping organizations stay one step ahead of threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Apollo Information Systems	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	64 contacts →
	Exact match “Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Oaktruss Group	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	52 contacts →
	Exact match “OakTruss Group is an advisory firm focused on helping organizations operate securely at the intersection of cybersecurity, AI, and data.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Solcyber	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	25 contacts →
	Exact match “SolCyber, a Forgepoint company, is the first modern MSSP to deliver a curated stack of enterprise strength security tools and services that are streamlined, accessible and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Voluble Systems LLC	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	24 contacts →
	Exact match “Voluble Systems LLC.(VOLUBLE) professional services company that provides strategy, custom information technology, information security, consulting, digital, technology…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Clover IT	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “Founded in 2011, Clover IT is known as an innovative company, focused on Information Security and Compliance market.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Upstart Cyber	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	15 contacts →
	Exact match “At Upstart Cyber, we bring the expertise gained from government and large-scale businesses to organizations of all sizes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Progressive IT Solutions	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “We are like an “easy button” for your IT Department!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Technoxi	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “Technoxi isn't your average IT company, and we never wanted to be.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Phoenix IT Advisors LLC	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Did you know that the IT Industry is completely unregulated?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Black Belt Secure	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “We are security engineers with over 20 years of experience working in the DFW Metroplex.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	TTR Technology	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match “TTR Technology Provides Complete Managed IT support and Cyber Security Solution to businesses Nationwide, our Mission is to efficiently manage, monitor, and optimize IT…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Gtsaas	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	51-200	6 contacts →
	Exact match “GTSaaS stands for Global Technology Sales-as-a-Service.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Cybase Risk Management	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “CyBase Risk is a catalyst cyber risk management consulting firm, dedicated to empowering small and medium-sized businesses (SMBs) with insight and roadmaps to proactively protect…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Avetixcyber	Exact match	Dallas, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Backed by a network of top VCs, advisory leaders, and elite cyber talent, we accelerate growth through deep market insight and hands-on support.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Logos Systems	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “At Logos Systems we are a security and vCISO services provider.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	ASI Security Partners	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “ASI Security Partners, a leading network and internet security company, delivers a comprehensive set of best-of-breed solutions that help customers protect their critical…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Birch Cline Cybersecurity	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “Birch Cline is a Dallas, Texas-based cybersecurity firm that specializes in protecting highly regulated environments and government agencies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Strafe Cybersecurity	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Welcome to Strafe, where cybersecurity steps up to combat emerging threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Method Cyber Security	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Method is here to assist its clients in protecting their vital information from the plethora of cyber-attacks occurring within all business segments.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Bolt Resources	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “At Bolt Resources, we believe cybersecurity leadership is the cornerstone of modern business resilience.” 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 123 cybersecurity services firms based in Dallas, United States

See the full list, filter by size, metro and specialty, and access 711 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 1, 2026

40.8%Verified-email coverage

14.2Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Dallas, so it is reported there. Company counts and contact totals on this page are exact for Dallas, over 123 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 Dallas, 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 711 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 Dallas, United States?

RevenueBase identified 123 company matches for cybersecurity services firms associated with Dallas, 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?

Levelblue 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). Dallas has 123.

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 711 professional contacts with verified work emails tracked across these 123 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.