Company lists · Data refreshed September 2026
Top 25 Cybersecurity and physical security firms based in San Diego, United States
RevenueBase identified 71 company matches for cybersecurity and physical security firms associated with San Diego, United States as of September 2026 and tracks 524 professional contacts across them, including 143 with verified work emails. Across the United States, New York is the largest hub for this category (261 companies); San Diego has 71.
This list covers company matches for cybersecurity and physical security 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 September 28, 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 25 largest cybersecurity and physical security firms based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 28, 2026 · View company records in RevenueBase | |||||
| 2 | 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 28, 2026 · View company records in RevenueBase | |||||
| 3 | 40 contacts → | ||||
Exact match “Infracore is a best-in-class Cybersecurity and IT Support Services firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 22 contacts → | ||||
Exact match “We are now serving IT needs in the greater Chicago area!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 15 contacts → | ||||
Exact match “Xpedient Communications is a Technology Integrator focused on delivering innovative solutions to our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 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 28, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “Holocom is the leading solutions provider of Protective Distribution Systems (PDS) for classified networks such as SIPRNet, JWICS, and other networks transmitting highly sensitive…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “There is more cyber threat intelligence available today than ever before, but the challenge is knowing what is actionable and having the tools to act on it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “TBDCyber is a cybersecurity company focused on strategy, assessments, and program build services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 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 28, 2026 · View company records in RevenueBase | |||||
| 11 | 8 contacts → | ||||
Exact match “Atlas Defense Group, Inc is a security contracting firm based out of San Diego, CA, specializing in high-threat and armed security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Ranch & Coast Security is an electronic security company based in San Diego, California, United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “At Dispatch Tech, we're dedicated to securing your digital world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “HannulaWells is a cyber security services provider, servicing enterprise level environments to SMB's.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “SystackIT provides network, cloud based, and end-user security and training.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Founded in 2013 on the IDEA to provide Basic Foundational IT Solutions and Support with an Excellent Customer Experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Prometheus Cybersecurity is an information security company based out of San Diego, California.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “CryptoCrack Network Solutions is dedicated to the continuous, stable and secure operation of computer network systems to assist our clients in improving their business performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Providing IT / security and consulting services to medium sized business” Recorded in the RevenueBase company graph · Sep 28, 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 and physical security 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 71 cybersecurity and physical security firms based in San Diego, United States
See the full list, filter by size, metro and specialty, and access 143 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity and physical security firms based in San Diego, United States at a glance
As of Sep 28, 2026Companies by employee count
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 71 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 and physical security 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 143 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 28, 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 and physical security firms by metro in the United States
- Cybersecurity and physical security firms in New York261
- Cybersecurity and physical security firms in Houston153
- Cybersecurity and physical security firms in Miami141
- Cybersecurity and physical security firms in Austin138
- Cybersecurity and physical security firms in Atlanta129
- Cybersecurity and physical security firms in Washington128
- Cybersecurity and physical security firms in Dallas126
- Cybersecurity and physical security firms in Chicago123
- Cybersecurity and physical security firms in Tampa108
- Cybersecurity and physical security firms in San Francisco98
- Cybersecurity and physical security firms in Los Angeles96
- Cybersecurity and physical security firms in Orlando67
- Cybersecurity and physical security firms in Arlington65
- Cybersecurity and physical security firms in Charlotte63
- Cybersecurity and physical security firms in Denver63
- Cybersecurity and physical security firms in Las Vegas61
- Cybersecurity and physical security firms in Columbia60
- Cybersecurity and physical security firms in San Antonio60
- Cybersecurity and physical security firms in Boston58
- Cybersecurity and physical security firms in Phoenix57
- Cybersecurity and physical security firms in Seattle57
- Cybersecurity and physical security firms in Reston50
- Cybersecurity and physical security firms in Baltimore48
- Cybersecurity and physical security firms in Mclean45
- Cybersecurity and physical security firms in Alexandria44
- Cybersecurity and physical security firms in Wilmington43
- Cybersecurity and physical security firms in Huntsville42
- Cybersecurity and physical security firms in San Jose42
- Cybersecurity and physical security firms in Fairfax41
- Cybersecurity and physical security firms in Sheridan39
- Cybersecurity and physical security firms in Ashburn38
- Cybersecurity and physical security firms in Indianapolis38
- Cybersecurity and physical security firms in Pittsburgh38
- Cybersecurity and physical security firms in Fort Lauderdale37
- Cybersecurity and physical security firms in Herndon36
- Cybersecurity and physical security firms in Plano36
- Cybersecurity and physical security firms in Raleigh36
- Cybersecurity and physical security firms in Irvine35
- Cybersecurity and physical security firms in Richmond35
- Cybersecurity and physical security firms in Scottsdale35
- Cybersecurity and physical security firms in Portland34
- Cybersecurity and physical security firms in Columbus33
- Cybersecurity and physical security firms in Nashville33
- Cybersecurity and physical security firms in Colorado Springs32
- Cybersecurity and physical security firms in Philadelphia28
- Cybersecurity and physical security firms in Dover27
- Cybersecurity and physical security firms in Boca Raton25
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 and physical security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity and physical security firms are there based in San Diego, United States?
RevenueBase identified 71 company matches for cybersecurity and physical security firms 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?
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 and physical security firms?
New York leads the United States with 261 company records, followed by Houston (153) and Miami (141). San Diego has 71.
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 143 professional contacts with verified work emails tracked across these 71 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 71 cybersecurity and physical security firms based in San Diego, 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.
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Company intelligence · public preview
Top 25 cybersecurity and physical security firms based in San Diego, 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 71 matching company records for cybersecurity and physical security firms based in San Diego, United States, with 524 tracked contacts and 143 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 25 cybersecurity and physical security firms based in San Diego, 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: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 148 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 46 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Infracore is a best-in-class Cybersecurity and IT Support Services firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 22 contacts → |
“We are now serving IT needs in the greater Chicago area!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 15 contacts → |
“Xpedient Communications is a Technology Integrator focused on delivering innovative solutions to our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 14 contacts → |
“Cyber Security Risk Management Taranet provides SME support to identify, mitigate, and manage cyber security risks.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 13 contacts → |
“Holocom is the leading solutions provider of Protective Distribution Systems (PDS) for classified networks such as SIPRNet, JWICS, and other networks transmitting highly sensitive…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 10 contacts → |
“There is more cyber threat intelligence available today than ever before, but the challenge is knowing what is actionable and having the tools to act on it.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 9 contacts → |
“TBDCyber is a cybersecurity company focused on strategy, assessments, and program build services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“Founded by brothers Dan and Bill Brault in 1987, Electro Specialty Systems is an electronic security integrator based in San Diego, California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“Atlas Defense Group, Inc is a security contracting firm based out of San Diego, CA, specializing in high-threat and armed security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 7 contacts → |
“Ranch & Coast Security is an electronic security company based in San Diego, California, United States.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 6 contacts → |
“At Dispatch Tech, we're dedicated to securing your digital world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 6 contacts → |
“HannulaWells is a cyber security services provider, servicing enterprise level environments to SMB's.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | The Kika Companythekikacompany.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 3 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“SystackIT provides network, cloud based, and end-user security and training.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“Worksters is a San Diego–based small business focused on cybersecurity, IT modernization, and encryption hardware.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: San Diego, United StatesReported employees: 1-10 | San Diego, United States | 1-10 | Exact match | 3 contacts → |
“Founded in 2013 on the IDEA to provide Basic Foundational IT Solutions and Support with an Excellent Customer Experience.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 2 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“Prometheus Cybersecurity is an information security company based out of San Diego, California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“CryptoCrack Network Solutions is dedicated to the continuous, stable and secure operation of computer network systems to assist our clients in improving their business performance.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“Providing IT / security and consulting services to medium sized business” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Cybersecurity and physical security firms: dataset insights
September 28, 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
71 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 San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 71 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: September 28, 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 ↗
Cybersecurity and physical security firms by metro in the United States
- Cybersecurity and physical security firms in New York261
- Cybersecurity and physical security firms in Houston153
- Cybersecurity and physical security firms in Miami141
- Cybersecurity and physical security firms in Austin138
- Cybersecurity and physical security firms in Atlanta129
- Cybersecurity and physical security firms in Washington128
- Cybersecurity and physical security firms in Dallas126
- Cybersecurity and physical security firms in Chicago123
- Cybersecurity and physical security firms in Tampa108
- Cybersecurity and physical security firms in San Francisco98
- Cybersecurity and physical security firms in Los Angeles96
- Cybersecurity and physical security firms in Orlando67
- Cybersecurity and physical security firms in Arlington65
- Cybersecurity and physical security firms in Charlotte63
- Cybersecurity and physical security firms in Denver63
- Cybersecurity and physical security firms in Las Vegas61
- Cybersecurity and physical security firms in Columbia60
- Cybersecurity and physical security firms in San Antonio60
- Cybersecurity and physical security firms in Boston58
- Cybersecurity and physical security firms in Phoenix57
- Cybersecurity and physical security firms in Seattle57
- Cybersecurity and physical security firms in Reston50
- Cybersecurity and physical security firms in Baltimore48
- Cybersecurity and physical security firms in Mclean45
- Cybersecurity and physical security firms in Alexandria44
- Cybersecurity and physical security firms in Wilmington43
- Cybersecurity and physical security firms in Huntsville42
- Cybersecurity and physical security firms in San Jose42
- Cybersecurity and physical security firms in Fairfax41
- Cybersecurity and physical security firms in Sheridan39
- Cybersecurity and physical security firms in Ashburn38
- Cybersecurity and physical security firms in Indianapolis38
- Cybersecurity and physical security firms in Pittsburgh38
- Cybersecurity and physical security firms in Fort Lauderdale37
- Cybersecurity and physical security firms in Herndon36
- Cybersecurity and physical security firms in Plano36
- Cybersecurity and physical security firms in Raleigh36
- Cybersecurity and physical security firms in Irvine35
- Cybersecurity and physical security firms in Richmond35
- Cybersecurity and physical security firms in Scottsdale35
- Cybersecurity and physical security firms in Portland34
- Cybersecurity and physical security firms in Columbus33
- Cybersecurity and physical security firms in Nashville33
- Cybersecurity and physical security firms in Colorado Springs32
- Cybersecurity and physical security firms in Philadelphia28
- Cybersecurity and physical security firms in Dover27
- Cybersecurity and physical security firms in Boca Raton25
Questions about this company list
What does Exact match mean for cybersecurity and physical security firms?
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 cybersecurity and physical security firms did RevenueBase find based in San Diego, United States?
The saved snapshot records 71 matching company records, 524 tracked contacts and 143 verified emails. The public preview displays 25 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: September 28, 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
Cybersecurity and physical security firms by geography
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
- Cybersecurity and physical security firms based in Brisbane, Australia
- Cybersecurity and physical security firms based in Canberra, Australia
- Cybersecurity and physical security firms based in Melbourne, Australia
- Cybersecurity and physical security firms based in Perth, Australia
- Cybersecurity and physical security firms based in Sydney, Australia
- Cybersecurity and physical security firms based in Vienna, Austria
- Cybersecurity and physical security firms based in Dhaka, Bangladesh
- Cybersecurity and physical security firms based in Barueri, Brazil
- Cybersecurity and physical security firms based in Belo Horizonte, Brazil
- Cybersecurity and physical security firms based in Brasilia, Brazil
Cite this list
RevenueBase Data Team. Top 25 cybersecurity and physical security firms based in San Diego, United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/cybersecurity-and-physical-security-firms/united-states/san-diego.
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
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
- Cybersecurity and physical security firms based in Brisbane, Australia
- Cybersecurity and physical security firms based in Canberra, Australia
- Cybersecurity and physical security firms based in Melbourne, Australia
- Cybersecurity and physical security firms based in Perth, Australia
Company intelligence · public preview
Top 25 cybersecurity and physical security firms based in San Diego, United States
RevenueBase records 71 matching company records for cybersecurity and physical security firms based in San Diego, United States, with 524 tracked contacts and 143 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 25 cybersecurity and physical security firms based in San Diego, 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: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 148 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 46 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 40 contacts → |
“Infracore is a best-in-class Cybersecurity and IT Support Services firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 22 contacts → |
“We are now serving IT needs in the greater Chicago area!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 15 contacts → |
“Xpedient Communications is a Technology Integrator focused on delivering innovative solutions to our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 14 contacts → |
“Cyber Security Risk Management Taranet provides SME support to identify, mitigate, and manage cyber security risks.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 13 contacts → |
“Holocom is the leading solutions provider of Protective Distribution Systems (PDS) for classified networks such as SIPRNet, JWICS, and other networks transmitting highly sensitive…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 10 contacts → |
“There is more cyber threat intelligence available today than ever before, but the challenge is knowing what is actionable and having the tools to act on it.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 9 contacts → |
“TBDCyber is a cybersecurity company focused on strategy, assessments, and program build services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“Founded by brothers Dan and Bill Brault in 1987, Electro Specialty Systems is an electronic security integrator based in San Diego, California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 8 contacts → |
“Atlas Defense Group, Inc is a security contracting firm based out of San Diego, CA, specializing in high-threat and armed security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 7 contacts → |
“Ranch & Coast Security is an electronic security company based in San Diego, California, United States.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 6 contacts → |
“At Dispatch Tech, we're dedicated to securing your digital world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 6 contacts → |
“HannulaWells is a cyber security services provider, servicing enterprise level environments to SMB's.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | The Kika Companythekikacompany.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 3 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“SystackIT provides network, cloud based, and end-user security and training.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 3 contacts → |
“Worksters is a San Diego–based small business focused on cybersecurity, IT modernization, and encryption hardware.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: San Diego, United StatesReported employees: 1-10 | San Diego, United States | 1-10 | Exact match | 3 contacts → |
“Founded in 2013 on the IDEA to provide Basic Foundational IT Solutions and Support with an Excellent Customer Experience.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 2 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“Prometheus Cybersecurity is an information security company based out of San Diego, California.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“CryptoCrack Network Solutions is dedicated to the continuous, stable and secure operation of computer network systems to assist our clients in improving their business performance.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 2 contacts → |
“Providing IT / security and consulting services to medium sized business” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 71 company matches
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Cybersecurity and physical security firms: dataset insights
September 28, 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
71 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 San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 71 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: September 28, 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 ↗
Cybersecurity and physical security firms by metro in the United States
- Cybersecurity and physical security firms in New York261
- Cybersecurity and physical security firms in Houston153
- Cybersecurity and physical security firms in Miami141
- Cybersecurity and physical security firms in Austin138
- Cybersecurity and physical security firms in Atlanta129
- Cybersecurity and physical security firms in Washington128
- Cybersecurity and physical security firms in Dallas126
- Cybersecurity and physical security firms in Chicago123
- Cybersecurity and physical security firms in Tampa108
- Cybersecurity and physical security firms in San Francisco98
- Cybersecurity and physical security firms in Los Angeles96
- Cybersecurity and physical security firms in Orlando67
- Cybersecurity and physical security firms in Arlington65
- Cybersecurity and physical security firms in Charlotte63
- Cybersecurity and physical security firms in Denver63
- Cybersecurity and physical security firms in Las Vegas61
- Cybersecurity and physical security firms in Columbia60
- Cybersecurity and physical security firms in San Antonio60
- Cybersecurity and physical security firms in Boston58
- Cybersecurity and physical security firms in Phoenix57
- Cybersecurity and physical security firms in Seattle57
- Cybersecurity and physical security firms in Reston50
- Cybersecurity and physical security firms in Baltimore48
- Cybersecurity and physical security firms in Mclean45
- Cybersecurity and physical security firms in Alexandria44
- Cybersecurity and physical security firms in Wilmington43
- Cybersecurity and physical security firms in Huntsville42
- Cybersecurity and physical security firms in San Jose42
- Cybersecurity and physical security firms in Fairfax41
- Cybersecurity and physical security firms in Sheridan39
- Cybersecurity and physical security firms in Ashburn38
- Cybersecurity and physical security firms in Indianapolis38
- Cybersecurity and physical security firms in Pittsburgh38
- Cybersecurity and physical security firms in Fort Lauderdale37
- Cybersecurity and physical security firms in Herndon36
- Cybersecurity and physical security firms in Plano36
- Cybersecurity and physical security firms in Raleigh36
- Cybersecurity and physical security firms in Irvine35
- Cybersecurity and physical security firms in Richmond35
- Cybersecurity and physical security firms in Scottsdale35
- Cybersecurity and physical security firms in Portland34
- Cybersecurity and physical security firms in Columbus33
- Cybersecurity and physical security firms in Nashville33
- Cybersecurity and physical security firms in Colorado Springs32
- Cybersecurity and physical security firms in Philadelphia28
- Cybersecurity and physical security firms in Dover27
- Cybersecurity and physical security firms in Boca Raton25
Questions about this company list
What does Exact match mean for cybersecurity and physical security firms?
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 cybersecurity and physical security firms did RevenueBase find based in San Diego, United States?
The saved snapshot records 71 matching company records, 524 tracked contacts and 143 verified emails. The public preview displays 25 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: September 28, 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
Cybersecurity and physical security firms by geography
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
- Cybersecurity and physical security firms based in Brisbane, Australia
- Cybersecurity and physical security firms based in Canberra, Australia
- Cybersecurity and physical security firms based in Melbourne, Australia
- Cybersecurity and physical security firms based in Perth, Australia
- Cybersecurity and physical security firms based in Sydney, Australia
- Cybersecurity and physical security firms based in Vienna, Austria
- Cybersecurity and physical security firms based in Dhaka, Bangladesh
- Cybersecurity and physical security firms based in Barueri, Brazil
- Cybersecurity and physical security firms based in Belo Horizonte, Brazil
- Cybersecurity and physical security firms based in Brasilia, Brazil
Cite this list
RevenueBase Data Team. Top 25 cybersecurity and physical security firms based in San Diego, United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/cybersecurity-and-physical-security-firms/united-states/san-diego.
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
- Cybersecurity and physical security firms based in Buenos Aires, Argentina
- Cybersecurity and physical security firms based in Adelaide, Australia
- Cybersecurity and physical security firms based in Brisbane, Australia
- Cybersecurity and physical security firms based in Canberra, Australia
- Cybersecurity and physical security firms based in Melbourne, Australia
- Cybersecurity and physical security firms based in Perth, Australia