Company lists · Data refreshed September 2026

Top 21 Top 10 security companies based in Austin, United States

Name: Top 10 security companies based in Austin, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 69 companies tracked

RevenueBase identified 69 company matches for top 10 security companies associated with Austin, United States as of September 2026 and tracks 2,001 professional contacts across them, including 785 with verified work emails. Across the United States, New York is the largest hub for this category (145 companies); Austin has 69.

This list covers company matches for top 10 security companies associated with Austin, 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 21, 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 21, 2026 How this list was built

69Companies

2,001Contacts tracked

785Verified emails

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The 21 largest top 10 security companies based in Austin, United States

Ranked by team size

Top 21 of 69 company matches for top 10 security companies based in Austin, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,252 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Priebe Security Services, INC	Exact match	Austin, United StatesHQ recorded Sep 21, 2026	201-500	138 contacts →
	Exact match “Priebe Security Services, known and respected for nearly two decades, has been providing personalized, client centric professional security services for most of Austin’s most…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Edgile	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	51-200	119 contacts →
	Exact match “Edgile was founded in 2001 to deliver strategic cybersecurity and risk management services to the Fortune 500.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	TRI Shield Security And Investigations LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	43 contacts →
	Exact match “Tri Shield Security and Investigations is an Austin Texas based company built on old fashioned ideals with a leading edge mentality.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Scout Security Group	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	51-200	35 contacts →
	Exact match “Scout was founded with a mission to train and deploy the best security personnel in the world to create safe environments that increase asset value with the best client experience…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Tristar Commercial, A Pye-Barker Fire & Safety Company	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	25 contacts →
	Exact match “Step into the realm of unparalleled security solutions with TriStar Commercial LLC.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	RSI	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	21 contacts →
	Exact match “Mission-critical cybersecurity and IT solutions for businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Recon Infosec	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	19 contacts →
	Exact match “Recon offers the best Managed Security Operations on the planet.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Allied IT Systems	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	13 contacts →
	Exact match “Welcome to Allied IT Systems!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Conducive Consulting	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	13 contacts →
	Exact match “THE trusted partner for state and local governments in combating cyber threats Our journey began with Splunk and evolved to meet our clients' diverse needs, leading us to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Ophion Tactical Security LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1-10	11 contacts →
	Exact match “Ophion Tactical Security was born with a dream to set the standards for superior private security solutions for the modern world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Parafox Technologies	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “Securing Your Data, Empowering Your Business Parafox Technologies is a leading provider of comprehensive data security solutions designed to safeguard organization's most valuable…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Viking Tactical Security Group	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	51-200	8 contacts →
	Exact match “Protecting your life, assets & property with decades of military and law enforcement experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Aspiryon, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	6 contacts →
	Exact match “Aspiryon is a provider of Information Technology and Physical Security Solutions, that sets a standard of excellence for the clients that we serve.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Datadefense	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	3 contacts →
	Exact match “Data Defense Partners is your strategic ally in securing today’s digital enterprise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Fidelis Risk Advisory	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “Fidelis Risk Advisory helps navigate the leadership challenges and complexity around building and managing information security programs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	American Information Security Group Aisg	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	2 contacts →
	Exact match “American Information Security Group-AISG-is an information security Security-as-a-Service [SaaS] professional services firm founded in Austin, Texas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Lindemann Group LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	11-50	1 contacts →
	Exact match “The Lindemann Group LLC - Executive Security Solutions Welcome to The Lindemann Group LLC, where we redefine executive security with a commitment to discretion, vigilance, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Fastcasual IT	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Managed Security Service Provider providing CyberSecurity, Compliance, Access Control & Video Surveillance” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Relix Security	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Do you know if your sensitive data is secure?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	ALL Hazards Protection, LLC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	1-10	1 contacts →
	Exact match “Corporate Security Teams: We target our services to fill the gap between your Leadership’s expectations and the bandwidth of your team.” Recorded in the RevenueBase company graph · Sep 21, 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 “top 10 security 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 21 of 69 top 10 security companies based in Austin, United States

See the full list, filter by size, metro and specialty, and access 785 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Top 10 security companies based in Austin, United States at a glance

As of Sep 21, 2026

39.2%Verified-email coverage

29.0Average contacts per company

11-50Median size (employees)

Sep 21, 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 Austin, so it is reported there. Company counts and contact totals on this page are exact for Austin, over 69 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 Austin, United States whose business descriptions match “top 10 security 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 785 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 21, 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.

Top 10 security companies 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 “top 10 security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many top 10 security companies are there based in Austin, United States?

RevenueBase identified 69 company matches for top 10 security companies associated with Austin, 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?

Thales Cybersecurity Products 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 top 10 security companies?

New York leads the United States with 145 company records, followed by Houston (105) and Los Angeles (103). Austin has 69.

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 785 professional contacts with verified work emails tracked across these 69 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 21, 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.