Company lists · Data refreshed September 2026

Top 25 Cybersecurity consultants based in San Diego, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 134 companies tracked

RevenueBase identified 134 company matches for cybersecurity consultants associated with San Diego, United States as of September 2026 and tracks 1,812 professional contacts across them, including 778 with verified work emails. Across the United States, New York is the largest hub for this category (418 companies); San Diego has 134.

This list covers company matches for cybersecurity consultants 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 September 24, 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 24, 2026 How this list was built

134Companies

1,812Contacts tracked

778Verified emails

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The 25 largest cybersecurity consultants based in San Diego, United States

Ranked by team size

Top 25 of 134 company matches for cybersecurity consultants based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	Cybereason, A Levelblue Company	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	574 contacts →
	Exact match “Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	Ausgar Technologies INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
3	Solute	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	108 contacts →
	Exact match “SOLUTE, a Sigma defense company, is headquartered in San Diego, California with a presence in many major military areas.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	NTH Generation Computing	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
5	Sentek Global	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	81 contacts →
	Exact match “Sentek Global is the firm of choice for spearheading and supporting government and commercial IT programs.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	Bird Rock Systems	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	56 contacts →
	Exact match “Your organization requires IT to help it drive innovation, profitability, and security.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Templar Shield	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	49 contacts →
	Exact match “Templar Shield is a specialized risk, security, identity and AI governance advisory firm helping organizations operate with confidence in an increasingly automated, AI-driven…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	Triden Group	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
9	Infracore	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
10	Agile IT	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	39 contacts →
	Exact match “Our Mission To empower organizations with secure, compliant, and modern IT solutions that reduce risk, accelerate growth, and enable lasting innovation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	X-Feds	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	37 contacts →
	Exact match “X-Feds is a Small Business headquartered in San Diego, CA with satellite offices located in Norfolk, Virginia; Charleston, South Carolina; Crane, Indiana and Washington, DC.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Trustthink	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
13	Compuone	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	22 contacts →
	Exact match “We are now serving IT needs in the greater Chicago area!” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Conde Group, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	20 contacts →
	Exact match “Founded in 2003, Conde Group, Inc.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Techvision Research	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	16 contacts →
	Exact match “The speed at which technology changes demands a research company that is nimble, leverages real-world experience, includes outside perspectives, and is available to everyone in…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	Taranet	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
17	IT Mentor Group, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	13 contacts →
	Exact match “IT Mentor Group, Inc.(ITMG) is located in San Diego, California and provides IT consulting, technical training, staffing, and contracting services around the globe.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Integrated Planet, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
19	Cybercatch	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
20	Scalesec	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match “Now owned by RKON.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Cyberdoc	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	1-10	9 contacts →
	Exact match “Founded in 1995 in San Diego, CyberDoc delivers exceptional on-site and remote IT support tailored to the needs of small businesses.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Tbdcyber	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
23	Trustfour Technologies	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	9 contacts →
	Exact match “TrustFour is a pioneer in workload and non-human identity security, providing innovative solutions for compliance, remediation, post quantum resiliency, and advanced threat…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Brier & Thorn, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	51-200	9 contacts →
	Exact match “Brier & Thorn helps organizations build value by taking a critical thinking approach to managing IT risk.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	Electro Specialty Systems	Exact match	San Diego, CA, United StatesHQ recorded Sep 24, 2026	11-50	8 contacts →
	Exact match “Founded by brothers Dan and Bill Brault in 1987, Electro Specialty Systems is an electronic security integrator based in San Diego, California.” Recorded in the RevenueBase company graph · Sep 24, 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 consultants”. 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 134 cybersecurity consultants based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consultants based in San Diego, United States at a glance

As of Sep 24, 2026

42.9%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

Sep 24, 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 San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 134 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 consultants” 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 778 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 24, 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 consultants 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consultants are there based in San Diego, United States?

RevenueBase identified 134 company matches for cybersecurity consultants associated with San Diego, 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?

Cybereason, A Levelblue Company 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 consultants?

New York leads the United States with 418 company records, followed by Washington (262) and Houston (231). San Diego has 134.

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 778 professional contacts with verified work emails tracked across these 134 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 24, 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.