Company lists · Data refreshed October 2026

Top 25 Cybersecurity services firms based in San Diego, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 77 companies tracked

RevenueBase identified 77 company matches for cybersecurity services firms associated with San Diego, United States as of October 2026 and tracks 637 professional contacts across them, including 221 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); San Diego has 77.

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

77Companies

637Contacts tracked

221Verified emails

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The 25 largest cybersecurity services firms based in San Diego, United States

Ranked by team size

Top 25 of 77 company matches for cybersecurity services firms based in San Diego, 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	Ausgar Technologies INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	51-200	148 contacts →
	Exact match “AUSGAR is a company of smart, innovative technical team members who can out-think problems faced by our customers in the cybersecurity, experimentation and engineering services…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	NTH Generation Computing	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	51-200	89 contacts →
	Exact match “Since 1991, Nth Generation has provided industry leading, consultative IT services, encompassing a suite of IT and security solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Triden Group	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	46 contacts →
	Exact match “Providing the Most Innovative and Intelligent Defense Available With the growth and evolution of cyber threats, cybersecurity has been thrust into the forefront of modern…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Infracore	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	51-200	40 contacts →
	Exact match “Infracore is a best-in-class Cybersecurity and IT Support Services firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Trustthink	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “Founded in 2018, TrustThink provides cybersecurity engineering and system-of-systems assurance for complex, connected products and platforms.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Compuone	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	22 contacts →
	Exact match “We are now serving IT needs in the greater Chicago area!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Taranet	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	14 contacts →
	Exact match “Cyber Security Risk Management Taranet provides SME support to identify, mitigate, and manage cyber security risks.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Gryphon Online Safety, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “San Diego startup that's revolutionizing home and small business network protection with AI powered cyber-security platform.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Integrated Planet, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “INTEGRATED PLANET INC is an information technology and services company based out of 10755 SCRIPPS POWAY PKWY, SAN DIEGO, California, United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Cybercatch	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “CyberCatch provides an innovative cybersecurity Software-as-a-Service (SaaS) platform designed for SMBs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Tbdcyber	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “TBDCyber is a cybersecurity company focused on strategy, assessments, and program build services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Xonicwave	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “Xonicwave specializes in delivering premier IT Managed Services and Solutions in Southern California.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Network Titan	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Network Titan provides Managed and Co-Managed IT Support and Cybersecurity Services delivering expert, rapid response complete IT Support, Networking, Server, Cloud Solutions…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Dispatch Tech, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match “At Dispatch Tech, we're dedicated to securing your digital world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Hannulawells	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “HannulaWells is a cyber security services provider, servicing enterprise level environments to SMB's.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Aegis Innovators	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	6 contacts →
	Exact match “AEGIS INNOVATORS is a Microsoft partner located in Southern California that partners with other Microsoft service providers and assists organizations throughout the United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Fylaxcyber INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Nextwave Solutions, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “IT SECURITY ASSESSMENTS One of our goals is to empower businesses defend their critical data and sensitive information assets from the threat of cyber attacks.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Somerset Recon, INC	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	The Kika Company	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “We are a valued added reseller for Security consulting Company that provides consulting services to Software, IT, Cyber Security, Information Security, DoD, Retail, Manufacturing…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Systackit	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “SystackIT provides network, cloud based, and end-user security and training.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Worksters	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Worksters is a San Diego–based small business focused on cybersecurity, IT modernization, and encryption hardware.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Emc2data Enjoy A NEW Peace Of Mind Knowing YOU & Your Data ARE Secure	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	201-500	2 contacts →
	Exact match “Business Overview - Computing is not about computers anymore.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Dragonfly Cyber	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	11-50	2 contacts →
	Exact match “We make cyber risk manageable by monitoring network traffic from the perimeter to the core, analyzing data in motion, visualizing risk and alerting to potential threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Prometheus Cybersecurity	Exact match	San Diego, CA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Prometheus Cybersecurity is an information security company based out of San Diego, California.” 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 77 cybersecurity services firms based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 221 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services firms based in San Diego, United States at a glance

As of Oct 1, 2026

34.7%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 77 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 San Diego, 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 221 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 San Diego, United States?

RevenueBase identified 77 company matches for cybersecurity services firms associated with San Diego, 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?

Ausgar Technologies INC 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). San Diego has 77.

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 221 professional contacts with verified work emails tracked across these 77 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.