Company lists · Data refreshed September 2026

Top 24 Cybersecurity outsourcing providers based in Dallas, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 92 companies tracked

RevenueBase identified 92 company matches for cybersecurity outsourcing providers associated with Dallas, United States as of September 2026 and tracks 2,846 professional contacts across them, including 1,144 with verified work emails. Across the United States, New York is the largest hub for this category (196 companies); Dallas has 92.

This list covers company matches for cybersecurity outsourcing providers 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 September 28, 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 28, 2026 How this list was built

92Companies

2,846Contacts tracked

1,144Verified emails

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The 24 largest cybersecurity outsourcing providers based in Dallas, United States

Ranked by team size

Top 24 of 92 company matches for cybersecurity outsourcing providers based in Dallas, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	GDT	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	1,032 contacts →
	Exact match “As an award-winning, global IT solutions provider, we are changing the nature of transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Levelblue	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	594 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	At&t Cybersecurity	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
4	Sq1 Security	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
5	Configure, INC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
6	IT Companies Network	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	n/a	72 contacts →
	Exact match “Finding the right IT service provider in a world where technology advances rapidly is crucial.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Zyston LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
8	Apollo Information Systems	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
9	Oaktruss Group	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
10	Broadaxis	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	46 contacts →
	Exact match “BroadAxis is an AI-native enterprise modernization company helping commercial and public sector organizations transform applications, workforce, and operations through artificial…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Solcyber	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
12	Upstart Cyber	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
13	Willow Bend Systems	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Willow Bend Systems is a trusted IT partner for organizations across the Dallas–Fort Worth Metroplex and North Texas that want technology to support their business, not complicate…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Contego Solutions LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Contego Solutions was formed in 2001 to address the operational deficiencies and security concerns of small and medium sized businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Progressive IT Solutions	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “We are like an “easy button” for your IT Department!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Technoxi	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
17	Dallas IT Company Velocity IT	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Welcome to Velocity IT, your premier Dallas IT Company dedicated to delivering cutting-edge solutions and unparalleled IT services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Bonelli Systems	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Bonelli Systems is a dynamic Managed Services Provider (MSP) based in Dallas, TX, specializing in secure, streamlined IT solutions for small to mid-sized businesses and legal…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Phoenix IT Advisors LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Did you know that the IT Industry is completely unregulated?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Black Belt Secure	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
21	TTR Technology	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
22	Gtsaas	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	6 contacts →
	Exact match “GTSaaS stands for Global Technology Sales-as-a-Service.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Logos Systems	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “At Logos Systems we are a security and vCISO services provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	ASI Security Partners	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 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 · Sep 28, 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 outsourcing providers”. 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 24 of 92 cybersecurity outsourcing providers based in Dallas, United States

See the full list, filter by size, metro and specialty, and access 1,144 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity outsourcing providers based in Dallas, United States at a glance

As of Sep 28, 2026

40.2%Verified-email coverage

30.9Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 92 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 outsourcing providers” 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 1,144 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 28, 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 outsourcing providers 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 outsourcing providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity outsourcing providers are there based in Dallas, United States?

RevenueBase identified 92 company matches for cybersecurity outsourcing providers associated with Dallas, 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?

GDT 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 outsourcing providers?

New York leads the United States with 196 company records, followed by Austin (112) and Houston (110). Dallas has 92.

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 1,144 professional contacts with verified work emails tracked across these 92 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 28, 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.