Company lists · Data refreshed November 2026
Top 16 IT security management companies based in Dallas, United States
RevenueBase identified 106 company matches for IT security management companies associated with Dallas, United States as of November 2026 and tracks 3,993 professional contacts across them, including 2,096 with verified work emails. Across the United States, New York is the largest hub for this category (281 companies); Dallas has 106.
This list covers company matches for IT security management companies 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 November 5, 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.
The 16 largest IT security management companies based in Dallas, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 829 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 193 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 69 contacts → | ||||
Exact match “Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 63 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 53 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “With a vision to become one of the foremost leaders, partner and trailblazer in the cyber security industry, Miller Jones Inc, features a rich portfolio of information security…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 23 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 21 contacts → | ||||
Exact match “If you’re too busy worrying about technology to focus on running your business, you should know there’s a better way.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 19 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 17 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “We are like an “easy button” for your IT Department!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 11 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Guardian monitors, manages and secures our clients cloud and data center infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “At Logos Systems we are a security and vCISO services provider.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 8 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 · Nov 5, 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 “IT security management companies”. 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 16 of 106 IT security management companies based in Dallas, United States
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IT security management companies based in Dallas, United States at a glance
As of Nov 5, 2026Companies by employee count
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 106 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 “IT security management companies” 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 2,096 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 November 5, 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.
IT security management companies by metro in the United States
- IT security management companies in New York281
- IT security management companies in Houston173
- IT security management companies in Atlanta146
- IT security management companies in Miami137
- IT security management companies in Austin135
- IT security management companies in Los Angeles124
- IT security management companies in Chicago122
- IT security management companies in Washington116
- IT security management companies in Tampa99
- IT security management companies in San Francisco96
- IT security management companies in Las Vegas76
- IT security management companies in San Diego76
- IT security management companies in Denver73
- IT security management companies in Phoenix73
- IT security management companies in Charlotte72
- IT security management companies in Orlando65
- IT security management companies in Arlington59
- IT security management companies in Boston59
- IT security management companies in San Antonio57
- IT security management companies in Seattle56
- IT security management companies in Alexandria46
- IT security management companies in Columbia45
- IT security management companies in Raleigh43
- IT security management companies in Baltimore41
- IT security management companies in Irvine41
- IT security management companies in Wilmington41
- IT security management companies in Nashville40
- IT security management companies in Minneapolis39
- IT security management companies in Plano37
- IT security management companies in Richmond37
- IT security management companies in San Jose37
- IT security management companies in Fairfax36
- IT security management companies in Fort Lauderdale36
- IT security management companies in Indianapolis36
- IT security management companies in Scottsdale35
- IT security management companies in Reston34
- IT security management companies in Mclean31
- IT security management companies in Columbus30
- IT security management companies in Huntsville30
- IT security management companies in Portland30
- IT security management companies in Ashburn29
- IT security management companies in Jacksonville29
- IT security management companies in Salt Lake City29
- IT security management companies in Frisco28
- IT security management companies in Philadelphia28
- IT security management companies in St. Louis28
- IT security management companies in Cincinnati27
- IT security management companies in Pittsburgh27
- IT security management companies in Sacramento27
- IT security management companies in Colorado Springs26
- IT security management companies in Knoxville26
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 “IT security management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security management companies are there based in Dallas, United States?
RevenueBase identified 106 company matches for IT security management companies associated with Dallas, United States as of November 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 IT security management companies?
New York leads the United States with 281 company records, followed by Houston (173) and Atlanta (146). Dallas has 106.
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 2,096 professional contacts with verified work emails tracked across these 106 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 106 IT security management companies based in Dallas, United States. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Adelaide, Australia
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Perth, Australia
Company intelligence · public preview
Top 16 IT security management companies based in Dallas, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 106 matching company records for IT security management companies based in Dallas, United States, with 3,993 tracked contacts and 2,096 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 16 IT security management companies based in Dallas, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 829 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | At&t Cybersecuritycybersecurity.att.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 193 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 69 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 63 contacts → |
“OakTruss Group is an advisory firm focused on helping organizations operate securely at the intersection of cybersecurity, AI, and data.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 53 contacts → |
“Zyston is a next‑generation cybersecurity partner dedicated to helping organizations stay one step ahead of threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 29 contacts → |
“With a vision to become one of the foremost leaders, partner and trailblazer in the cyber security industry, Miller Jones Inc, features a rich portfolio of information security…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 23 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 21 contacts → |
“If you’re too busy worrying about technology to focus on running your business, you should know there’s a better way.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 19 contacts → |
“Founded in 2011, Clover IT is known as an innovative company, focused on Information Security and Compliance market.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 17 contacts → |
“At Upstart Cyber, we bring the expertise gained from government and large-scale businesses to organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 15 contacts → |
“We are like an “easy button” for your IT Department!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 11 contacts → |
“Welcome to Velocity IT, your premier Dallas IT Company dedicated to delivering cutting-edge solutions and unparalleled IT services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“Guardian monitors, manages and secures our clients cloud and data center infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 8 contacts → |
“At Logos Systems we are a security and vCISO services provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 106 company matches
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IT security management companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
106 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 106 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT security management companies by metro in the United States
- IT security management companies in New York281
- IT security management companies in Houston173
- IT security management companies in Atlanta146
- IT security management companies in Miami137
- IT security management companies in Austin135
- IT security management companies in Los Angeles124
- IT security management companies in Chicago122
- IT security management companies in Washington116
- IT security management companies in Tampa99
- IT security management companies in San Francisco96
- IT security management companies in Las Vegas76
- IT security management companies in San Diego76
- IT security management companies in Denver73
- IT security management companies in Phoenix73
- IT security management companies in Charlotte72
- IT security management companies in Orlando65
- IT security management companies in Arlington59
- IT security management companies in Boston59
- IT security management companies in San Antonio57
- IT security management companies in Seattle56
- IT security management companies in Alexandria46
- IT security management companies in Columbia45
- IT security management companies in Raleigh43
- IT security management companies in Baltimore41
- IT security management companies in Irvine41
- IT security management companies in Wilmington41
- IT security management companies in Nashville40
- IT security management companies in Minneapolis39
- IT security management companies in Plano37
- IT security management companies in Richmond37
- IT security management companies in San Jose37
- IT security management companies in Fairfax36
- IT security management companies in Fort Lauderdale36
- IT security management companies in Indianapolis36
- IT security management companies in Scottsdale35
- IT security management companies in Reston34
- IT security management companies in Mclean31
- IT security management companies in Columbus30
- IT security management companies in Huntsville30
- IT security management companies in Portland30
- IT security management companies in Ashburn29
- IT security management companies in Jacksonville29
- IT security management companies in Salt Lake City29
- IT security management companies in Frisco28
- IT security management companies in Philadelphia28
- IT security management companies in St. Louis28
- IT security management companies in Cincinnati27
- IT security management companies in Pittsburgh27
- IT security management companies in Sacramento27
- IT security management companies in Colorado Springs26
- IT security management companies in Knoxville26
Questions about this company list
What does Exact match mean for IT security management companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security management companies did RevenueBase find based in Dallas, United States?
The saved snapshot records 106 matching company records, 3,993 tracked contacts and 2,096 verified emails. The public preview displays 16 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT security management companies by geography
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Adelaide, Australia
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Perth, Australia
- IT security management companies based in Sydney, Australia
- IT security management companies based in Vienna, Austria
- IT security management companies based in Barueri, Brazil
- IT security management companies based in Belo Horizonte, Brazil
- IT security management companies based in Brasilia, Brazil
- IT security management companies based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 16 IT security management companies based in Dallas, United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-management-companies/united-states/dallas.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT security management companies based in Buenos Aires, Argentina
- IT security management companies based in Adelaide, Australia
- IT security management companies based in Brisbane, Australia
- IT security management companies based in Canberra, Australia
- IT security management companies based in Melbourne, Australia
- IT security management companies based in Perth, Australia
Company intelligence · public preview
Top 16 IT security management companies based in Dallas, United States
RevenueBase records 106 matching company records for IT security management companies based in Dallas, United States, with 3,993 tracked contacts and 2,096 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 16 IT security management companies based in Dallas, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 829 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | At&t Cybersecuritycybersecurity.att.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 193 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 69 contacts → |
“Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 63 contacts → |
“OakTruss Group is an advisory firm focused on helping organizations operate securely at the intersection of cybersecurity, AI, and data.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 53 contacts → |
“Zyston is a next‑generation cybersecurity partner dedicated to helping organizations stay one step ahead of threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 29 contacts → |
“With a vision to become one of the foremost leaders, partner and trailblazer in the cyber security industry, Miller Jones Inc, features a rich portfolio of information security…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 23 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 21 contacts → |
“If you’re too busy worrying about technology to focus on running your business, you should know there’s a better way.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 19 contacts → |
“Founded in 2011, Clover IT is known as an innovative company, focused on Information Security and Compliance market.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 17 contacts → |
“At Upstart Cyber, we bring the expertise gained from government and large-scale businesses to organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 15 contacts → |
“We are like an “easy button” for your IT Department!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 11 contacts → |
“Welcome to Velocity IT, your premier Dallas IT Company dedicated to delivering cutting-edge solutions and unparalleled IT services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“Guardian monitors, manages and secures our clients cloud and data center infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 8 contacts → |
“At Logos Systems we are a security and vCISO services provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 8 contacts → |
“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 description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 106 company matches
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IT security management companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
106 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 106 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT security management companies by metro in the United States
- IT security management companies in New York281
- IT security management companies in Houston173
- IT security management companies in Atlanta146
- IT security management companies in Miami137
- IT security management companies in Austin135
- IT security management companies in Los Angeles124
- IT security management companies in Chicago122
- IT security management companies in Washington116
- IT security management companies in Tampa99
- IT security management companies in San Francisco96
- IT security management companies in Las Vegas76
- IT security management companies in San Diego76
- IT security management companies in Denver73
- IT security management companies in Phoenix73
- IT security management companies in Charlotte72
- IT security management companies in Orlando65
- IT security management companies in Arlington59
- IT security management companies in Boston59
- IT security management companies in San Antonio57
- IT security management companies in Seattle56
- IT security management companies in Alexandria46
- IT security management companies in Columbia45
- IT security management companies in Raleigh43
- IT security management companies in Baltimore41
- IT security management companies in Irvine41
- IT security management companies in Wilmington41
- IT security management companies in Nashville40
- IT security management companies in Minneapolis39
- IT security management companies in Plano37
- IT security management companies in Richmond37
- IT security management companies in San Jose37
- IT security management companies in Fairfax36
- IT security management companies in Fort Lauderdale36
- IT security management companies in Indianapolis36
- IT security management companies in Scottsdale35
- IT security management companies in Reston34
- IT security management companies in Mclean31
- IT security management companies in Columbus30
- IT security management companies in Huntsville30
- IT security management companies in Portland30
- IT security management companies in Ashburn29
- IT security management companies in Jacksonville29
- IT security management companies in Salt Lake City29
- IT security management companies in Frisco28
- IT security management companies in Philadelphia28
- IT security management companies in St. Louis28
- IT security management companies in Cincinnati27
- IT security management companies in Pittsburgh27
- IT security management companies in Sacramento27
- IT security management companies in Colorado Springs26
- IT security management companies in Knoxville26
Questions about this company list
What does Exact match mean for IT security management companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security management companies did RevenueBase find based in Dallas, United States?
The saved snapshot records 106 matching company records, 3,993 tracked contacts and 2,096 verified emails. The public preview displays 16 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT security management companies by geography
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- IT security management companies based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 16 IT security management companies based in Dallas, United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-management-companies/united-states/dallas.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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