Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Austin, United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 182 companies tracked

Our directory lists 182 cybersecurity companies based in Austin, United States, with 10,507 professional contacts and 5,025 email addresses. The list was last updated in August 2026, and New York is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

182Companies

10,507Contacts tracked

5,025Verified emails

3,084Mobile numbers

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The 25 largest cybersecurity companies based in Austin, United States

Ranked by team size

Top 25 of 182 cybersecurity companies based in Austin, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Quest Software	Austin, TX	1,001-5,000	3,211	1,188
2	Forcepoint	Austin, TX	1,001-5,000	1,620	1,084
3	Thales Cybersecurity Products	Austin, TX	1,001-5,000	1,252	645
4	Imperva	Austin, TX	10001+	1,211	829
5	DUO Security	Austin, TX	501-1,000	429	21
6	ONTIC	Austin, TX	201-500	324	207
7	Centre Technologies	Austin, TX	201-500	280	200
8	Spycloud	Austin, TX	201-500	241	152
9	Redacted	Austin, TX	51-200	207	2
10	Ntirety	Austin, TX	1,001-5,000	166	134
11	Praetorian	Austin, TX	51-200	143	64
12	SOLIS	Austin, TX	51-200	137	79
13	Edgile	Austin, TX	51-200	125	49
14	Workstreet	Austin, TX	51-200	108	59
15	Runzero	Austin, TX	51-200	67	42
16	Exodus Intelligence	Austin, TX	11-50	44	16
17	Living Security	Austin, TX	51-200	41	23
18	Prometheus Security Group Global PSG	Austin, TX	51-200	38	2
19	Sevco Security	Austin, TX	51-200	33	5
20	Recon Infosec	Austin, TX	11-50	20	12
21	B Technology	Austin, TX	11-50	19	7
22	Ezprotect	Austin, TX	11-50	19	3
23	Sourced Intelligence	Austin, TX	11-50	18	7
24	Dryrun Security	Austin, TX	51-200	16	2
25	Bugswagger	Austin, TX	11-50	16	2

Showing 25 of 182 cybersecurity companies based in Austin, United States

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Cybersecurity companies based in Austin, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 329 HQs

3,084Contacts with mobile numbers

37Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity companies by metro in the United States

Metro	Companies
Cybersecurity companies in New York	329
Cybersecurity companies in Austin	182
Cybersecurity companies in San Francisco	179
Cybersecurity companies in Washington	168
Cybersecurity companies in Atlanta	158
Cybersecurity companies in Houston	153
Cybersecurity companies in Miami	149

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Austin, United States.
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: Contact records re-verify on a rolling cadence; 37 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity companies are in the directory?

The directory lists 182 cybersecurity companies based in Austin, United States.

Which city has the most cybersecurity companies?

New York is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 10,507 professional contacts and 5,025 email addresses for the listed cybersecurity companies.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.