Company lists · Data refreshed September 2026

Top 25 Cybersecurity and data protection services based in San Antonio, United States

RevenueBase identified 68 cybersecurity and data protection services headquartered in San Antonio, United States as of September 2026 and tracks 1,202 professional contacts across them, including 297 with verified work emails. Across the United States, New York is the largest hub for this category (287 companies); San Antonio has 68.

This list covers cybersecurity and data protection services headquartered in San Antonio, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
68Companies
1,202Contacts tracked
297Verified emails
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The 25 largest cybersecurity and data protection services based in San Antonio, United States

Ranked by team size
Top 25 of 68 cybersecurity and data protection services based in San Antonio, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity and data protection services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-200389 contacts →

Partial evidence

“Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-20078 contacts →

Indirect evidence

“IPSecure provides Cyber Security Solutions to the Government and Commercial companies worldwide.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5058 contacts →

Indirect evidence

“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-20058 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 2026201-50058 contacts →

Indirect evidence

“A "Leading Provider" of Cyber Security and Engineering services and solutions to U.S.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-20055 contacts →

Indirect evidence

“CyberFortress is the only platform that covers every phase of cyber resilience, from stopping threats before they land to standing next to you during a full-blown recovery.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-20055 contacts →

Partial evidence

“At Velonex Technologies, we are your trusted Managed Service Provider (MSP), offering IT and cybersecurity solutions and services tailored for your business.”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5045 contacts →

Partial evidence

“Digital Information Security Solutions (DBA Digiss) is a San Antonio, Texas-based cybersecurity firm.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5025 contacts →

Indirect evidence

“For over 20 years, SecureTech has been the trusted IT partner for small and mid-sized businesses across San Antonio and the surrounding Texas region.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5021 contacts →

Partial evidence

“7tech is an outsourced Managed IT Services and Cybersecurity Provider that specializes in helping mid-sized Texas businesses with or without internal IT departments protect their…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5019 contacts →

Indirect evidence

“Taurean helps organizations prevent loss and avoid damaged reputation by securing their most important asset – information.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“CYFOR TECHNOLOGIES LLC is an engineering services company based out of San Antonio, Texas providing support to DOD, NASA and the DOT.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

“Your business may be at risk of a cyber attack.”

Source: RevenueBase Database · checked Sep 28, 2026
14Strong evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 2026501-1,0009 contacts →

Strong evidence

“KeepItSafe provides global cloud data availability through its Backup-as-a-Service (BaaS), Disaster Recovery-as-a-Service (DRaaS), endpoint protection, and cloud SaaS application…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-109 contacts →

Indirect evidence

“RedKnight provides IT engineering, architecture, and support services to the Department of Defense, State and Local government, and other commercial organizations.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-108 contacts →

Indirect evidence

“EduTEKS has spent years developing services tailored to our clients with the focus of bringing enterprise grade services to the small and mid-size business market.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceSan Antonio, United StatesHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“Irys is a San Antonio-based technology company specializing in innovative solutions for the U.S.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202651-2008 contacts →

Indirect evidence

“Serving clients across numerous industries from small businesses to very large enterprises, Digital Defense’s innovative and leading-edge technology helps organizations safeguard…”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“Solid Border is a Cybersecurity Boutique.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“We are Business Consultants with a Technology Focus and CMMC consultency.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“M20 Associates LLC, a Service Disabled Veteran Owned Small Business (SDVOSB), provides information technology, cyber security and intelligence support services to organizations…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“We provide unique managed service solutions to small to medium sized businesses in the San Antonio area.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-103 contacts →

Partial evidence

“CyberOnyx Security | 🪖 Veteran-Owned Cybersecurity Partner for Small and Medium Businesses At CyberOnyx Security, we specialize in delivering personalized, proactive, and…”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“At Limitless IT Solutions, we take a unique approach to IT, by offering custom-tailored IT solutions and support plans that align with your business's unique needs.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“ONIT Technology Solutions provides managed IT support services, web & mail security, archiving, backup, networking & security solutions and VoIP Phone systems for small to…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 68 cybersecurity and data protection services based in San Antonio, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 297 reachable decision-makers.

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Cybersecurity and data protection services based in San Antonio, United States at a glance

As of Sep 28, 2026
24.7%Verified-email coverage
17.7Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
19
51-200
8
201-500
2
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for San Antonio, so it is reported there. Company counts and contact totals on this page are exact for San Antonio, over 68 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity and data protection services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in San Antonio, United States whose own description of what they do matches “cybersecurity and data protection services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity and data protection services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cybersecurity and data protection services, and records with no verified work email. Companies headquartered outside San Antonio are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 297 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cybersecurity and data protection services by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity and data protection services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity and data protection services are there based in San Antonio, United States?

RevenueBase identified 68 cybersecurity and data protection services headquartered in San Antonio, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Computer Solutions, headquartered in San Antonio, tops this list with the largest team on record.

Which city in the United States has the most cybersecurity and data protection services?

New York leads the United States with 287 headquartered companies, followed by Houston (157) and Austin (151). San Antonio has 68.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 297 verified decision-maker contacts tracked across these 68 companies.

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.

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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 Smart Search, 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.