Company lists · Data refreshed September 2026
Top 25 Biggest security companies based in San Antonio, United States
RevenueBase identified 58 company matches for biggest security companies associated with San Antonio, United States as of September 2026 and tracks 1,567 professional contacts across them, including 362 with verified work emails. Across the United States, New York is the largest hub for this category (214 companies); San Antonio has 58.
This list covers company matches for biggest security companies associated with San Antonio, 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 21, 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 biggest security companies based in San Antonio, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 389 contacts → | ||||
Exact match “Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 231 contacts → | ||||
Exact match “Full Service Security and Investigative company serving the government sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 134 contacts → | ||||
Exact match “Silotech Group emerged in 2008, as a valued leader in the consulting space, with over 50 years of accumulative expertise in Advanced Cyber Technologies, Systems Engineering…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 78 contacts → | ||||
Exact match “IPSecure provides Cyber Security Solutions to the Government and Commercial companies worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 58 contacts → | ||||
Exact match “SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 58 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 58 contacts → | ||||
Exact match “A "Leading Provider" of Cyber Security and Engineering services and solutions to U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “At Velonex Technologies, we are your trusted Managed Service Provider (MSP), offering IT and cybersecurity solutions and services tailored for your business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “Inflowlogistics LLC (DBA Inflow), is a national security firm providing a wide range of expertise and service offerings to the U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 45 contacts → | ||||
Exact match “Digital Information Security Solutions (DBA Digiss) is a San Antonio, Texas-based cybersecurity firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 39 contacts → | ||||
Exact match “Defense Consulting Services LLC (DCS) is a service-disabled veteran-owned firm (SBA-certified 8(a), SDVOSB, SB, SDB, VOSB) headquartered in San Antonio, Texas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 25 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 19 contacts → | ||||
Exact match “Taurean helps organizations prevent loss and avoid damaged reputation by securing their most important asset – information.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “CYFOR TECHNOLOGIES LLC is an engineering services company based out of San Antonio, Texas providing support to DOD, NASA and the DOT.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Your business may be at risk of a cyber attack.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Texas-based True Protection offers affordable, top-quality security, automation, and video surveillance products and services to home owners and commercial businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Tekgration LLC is a technology solutions provider of cutting-edge hardware, software and cybersecurity solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Specializes in providing security guard services to residential communities as well as government and corporate entities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “RedKnight provides IT engineering, architecture, and support services to the Department of Defense, State and Local government, and other commercial organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Irys is a San Antonio-based technology company specializing in innovative solutions for the U.S.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “Serving clients across numerous industries from small businesses to very large enterprises, Digital Defense’s innovative and leading-edge technology helps organizations safeguard…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “We are Business Consultants with a Technology Focus and CMMC consultency.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “CyberOnyx Security | 🪖 Veteran-Owned Cybersecurity Partner for Small and Medium Businesses At CyberOnyx Security, we specialize in delivering personalized, proactive, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “C2 Threat Solutions is a Woman-owned, Service-Disabled Veteran-Owned, Certified Security Management Consulting Company that offers comprehensive Security-Focused solutions to…” Recorded in the RevenueBase company graph · Sep 21, 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 “biggest security companies”. 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 58 biggest security companies based in San Antonio, United States
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Biggest security companies based in San Antonio, United States at a glance
As of Sep 21, 2026Companies by employee count
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 58 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 Antonio, United States whose business descriptions match “biggest security companies” 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 362 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 21, 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.
Biggest security companies by metro in the United States
- Biggest security companies in New York214
- Biggest security companies in Houston149
- Biggest security companies in Washington143
- Biggest security companies in Miami126
- Biggest security companies in Atlanta125
- Biggest security companies in Dallas118
- Biggest security companies in Chicago116
- Biggest security companies in Austin115
- Biggest security companies in Los Angeles90
- Biggest security companies in Tampa90
- Biggest security companies in San Francisco75
- Biggest security companies in Arlington72
- Biggest security companies in Columbia66
- Biggest security companies in Reston63
- Biggest security companies in Charlotte62
- Biggest security companies in Denver61
- Biggest security companies in San Diego61
- Biggest security companies in Mclean58
- Biggest security companies in Orlando56
- Biggest security companies in Alexandria55
- Biggest security companies in Las Vegas55
- Biggest security companies in Baltimore52
- Biggest security companies in Boston52
- Biggest security companies in Phoenix51
- Biggest security companies in Seattle46
- Biggest security companies in Ashburn44
- Biggest security companies in Raleigh44
- Biggest security companies in Herndon43
- Biggest security companies in Fairfax41
- Biggest security companies in Huntsville41
- Biggest security companies in Vienna36
- Biggest security companies in San Jose35
- Biggest security companies in Wilmington35
- Biggest security companies in Pittsburgh34
- Biggest security companies in Portland33
- Biggest security companies in Scottsdale33
- Biggest security companies in Chantilly32
- Biggest security companies in Colorado Springs31
- Biggest security companies in Minneapolis30
- Biggest security companies in Indianapolis29
- Biggest security companies in Richmond29
- Biggest security companies in Columbus28
- Biggest security companies in Fort Lauderdale27
- Biggest security companies in Irvine27
- Biggest security companies in Nashville27
- Biggest security companies in Plano27
- Biggest security companies in Springfield26
- Biggest security companies in Dover25
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 “biggest security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many biggest security companies are there based in San Antonio, United States?
RevenueBase identified 58 company matches for biggest security companies associated with San Antonio, 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?
Computer Solutions 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 biggest security companies?
New York leads the United States with 214 company records, followed by Houston (149) and Washington (143). San Antonio has 58.
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 362 professional contacts with verified work emails tracked across these 58 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 58 biggest security companies based in San Antonio, United States. Start with a free account, no credit card.
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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 biggest security companies based in San Antonio, 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 58 matching company records for biggest security companies based in San Antonio, United States, with 1,567 tracked contacts and 362 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 21, 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 biggest security companies based in San Antonio, 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 |  Computer Solutionscomsoltx.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 389 contacts → |
“Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vets Securing Americavetssecuringamerica.comHQ: San Antonio, TX, United StatesReported employees: 5,001-10,000 | San Antonio, TX, United States | 5,001-10,000 | Exact match | 231 contacts → |
“Full Service Security and Investigative company serving the government sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Silotech Group, INCsilotechgroup.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 134 contacts → |
“Silotech Group emerged in 2008, as a valued leader in the consulting space, with over 50 years of accumulative expertise in Advanced Cyber Technologies, Systems Engineering…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ipsecure, INCipsecureinc.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 78 contacts → |
“IPSecure provides Cyber Security Solutions to the Government and Commercial companies worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sandtech Solutionssandtechsolutions.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 58 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Def-Logix, INCcommercial.def-logix.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  KSH Solutions, INCksh1.comHQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 58 contacts → |
“A "Leading Provider" of Cyber Security and Engineering services and solutions to U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Velonex Technologiesvelonexit.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 55 contacts → |
“At Velonex Technologies, we are your trusted Managed Service Provider (MSP), offering IT and cybersecurity solutions and services tailored for your business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Inflowinflow-ns.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 46 contacts → |
“Inflowlogistics LLC (DBA Inflow), is a national security firm providing a wide range of expertise and service offerings to the U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Digissdigissllc.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 45 contacts → |
“Digital Information Security Solutions (DBA Digiss) is a San Antonio, Texas-based cybersecurity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Defense Consulting Services, LLCdefenseconsultingservice.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 39 contacts → |
“Defense Consulting Services LLC (DCS) is a service-disabled veteran-owned firm (SBA-certified 8(a), SDVOSB, SB, SDB, VOSB) headquartered in San Antonio, Texas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Securetechgetsecuretech.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 25 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  7tech IT Services7tech.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 21 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Taureantaurean.netHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 19 contacts → |
“Taurean helps organizations prevent loss and avoid damaged reputation by securing their most important asset – information.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cyfor Technologies LLCcyfor.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 15 contacts → |
“CYFOR TECHNOLOGIES LLC is an engineering services company based out of San Antonio, Texas providing support to DOD, NASA and the DOT.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Open Security, INCopensecurity.ioHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 14 contacts → |
“Your business may be at risk of a cyber attack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  True Protectiontruehomeprotection.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 14 contacts → |
“Texas-based True Protection offers affordable, top-quality security, automation, and video surveillance products and services to home owners and commercial businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tekgrationtekgration.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 10 contacts → |
“Tekgration LLC is a technology solutions provider of cutting-edge hardware, software and cybersecurity solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Blue Armor Security Servicesbluearmorsecurity.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 9 contacts → |
“Specializes in providing security guard services to residential communities as well as government and corporate entities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Redknightred-knight.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 9 contacts → |
“RedKnight provides IT engineering, architecture, and support services to the Department of Defense, State and Local government, and other commercial organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  IRYSirystechnologies.comHQ: San Antonio, United StatesReported employees: 11-50 | San Antonio, United States | 11-50 | Exact match | 8 contacts → |
“Irys is a San Antonio-based technology company specializing in innovative solutions for the U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Digital Defense By Helpsystemsdigitaldefense.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 8 contacts → |
“Serving clients across numerous industries from small businesses to very large enterprises, Digital Defense’s innovative and leading-edge technology helps organizations safeguard…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Techsage Solutionstechsagesolutions.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 7 contacts → |
“We are Business Consultants with a Technology Focus and CMMC consultency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cyberonyx Securitycyberonyx-sec.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 3 contacts → |
“CyberOnyx Security | 🪖 Veteran-Owned Cybersecurity Partner for Small and Medium Businesses At CyberOnyx Security, we specialize in delivering personalized, proactive, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  C2 Threat Solutionsc2threatsolutions.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 2 contacts → |
“C2 Threat Solutions is a Woman-owned, Service-Disabled Veteran-Owned, Certified Security Management Consulting Company that offers comprehensive Security-Focused solutions to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Biggest security companies: dataset insights
September 21, 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
58 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 Antonio, so it is reported there. Company counts and contact totals on this page are exact for San Antonio, over 58 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 21, 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 ↗
Biggest security companies by metro in the United States
- Biggest security companies in New York214
- Biggest security companies in Houston149
- Biggest security companies in Washington143
- Biggest security companies in Miami126
- Biggest security companies in Atlanta125
- Biggest security companies in Dallas118
- Biggest security companies in Chicago116
- Biggest security companies in Austin115
- Biggest security companies in Los Angeles90
- Biggest security companies in Tampa90
- Biggest security companies in San Francisco75
- Biggest security companies in Arlington72
- Biggest security companies in Columbia66
- Biggest security companies in Reston63
- Biggest security companies in Charlotte62
- Biggest security companies in Denver61
- Biggest security companies in San Diego61
- Biggest security companies in Mclean58
- Biggest security companies in Orlando56
- Biggest security companies in Alexandria55
- Biggest security companies in Las Vegas55
- Biggest security companies in Baltimore52
- Biggest security companies in Boston52
- Biggest security companies in Phoenix51
- Biggest security companies in Seattle46
- Biggest security companies in Ashburn44
- Biggest security companies in Raleigh44
- Biggest security companies in Herndon43
- Biggest security companies in Fairfax41
- Biggest security companies in Huntsville41
- Biggest security companies in Vienna36
- Biggest security companies in San Jose35
- Biggest security companies in Wilmington35
- Biggest security companies in Pittsburgh34
- Biggest security companies in Portland33
- Biggest security companies in Scottsdale33
- Biggest security companies in Chantilly32
- Biggest security companies in Colorado Springs31
- Biggest security companies in Minneapolis30
- Biggest security companies in Indianapolis29
- Biggest security companies in Richmond29
- Biggest security companies in Columbus28
- Biggest security companies in Fort Lauderdale27
- Biggest security companies in Irvine27
- Biggest security companies in Nashville27
- Biggest security companies in Plano27
- Biggest security companies in Springfield26
- Biggest security companies in Dover25
Questions about this company list
What does Exact match mean for biggest security companies?
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 biggest security companies did RevenueBase find based in San Antonio, United States?
The saved snapshot records 58 matching company records, 1,567 tracked contacts and 362 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 21, 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
Biggest security companies by geography
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Cite this list
RevenueBase Data Team. Top 25 biggest security companies based in San Antonio, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/biggest-security-companies/united-states/san-antonio.
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
- Biggest security companies based in Adelaide, Australia
- Biggest security companies based in Brisbane, Australia
- Biggest security companies based in Canberra, Australia
- Biggest security companies based in Melbourne, Australia
- Biggest security companies based in Perth, Australia
- Biggest security companies based in Sydney, Australia
Company intelligence · public preview
Top 25 biggest security companies based in San Antonio, United States
RevenueBase records 58 matching company records for biggest security companies based in San Antonio, United States, with 1,567 tracked contacts and 362 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 21, 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 biggest security companies based in San Antonio, 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 | Computer Solutionscomsoltx.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 389 contacts → |
“Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vets Securing Americavetssecuringamerica.com HQ: San Antonio, TX, United StatesReported employees: 5,001-10,000 | San Antonio, TX, United States | 5,001-10,000 | Exact match | 231 contacts → |
“Full Service Security and Investigative company serving the government sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Silotech Group, INCsilotechgroup.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 134 contacts → |
“Silotech Group emerged in 2008, as a valued leader in the consulting space, with over 50 years of accumulative expertise in Advanced Cyber Technologies, Systems Engineering…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ipsecure, INCipsecureinc.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 78 contacts → |
“IPSecure provides Cyber Security Solutions to the Government and Commercial companies worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sandtech Solutionssandtechsolutions.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 58 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Def-Logix, INCcommercial.def-logix.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | KSH Solutions, INCksh1.com HQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 58 contacts → |
“A "Leading Provider" of Cyber Security and Engineering services and solutions to U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Velonex Technologiesvelonexit.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 55 contacts → |
“At Velonex Technologies, we are your trusted Managed Service Provider (MSP), offering IT and cybersecurity solutions and services tailored for your business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Inflowinflow-ns.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 46 contacts → |
“Inflowlogistics LLC (DBA Inflow), is a national security firm providing a wide range of expertise and service offerings to the U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Digissdigissllc.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 45 contacts → |
“Digital Information Security Solutions (DBA Digiss) is a San Antonio, Texas-based cybersecurity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Defense Consulting Services, LLCdefenseconsultingservice.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 39 contacts → |
“Defense Consulting Services LLC (DCS) is a service-disabled veteran-owned firm (SBA-certified 8(a), SDVOSB, SB, SDB, VOSB) headquartered in San Antonio, Texas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Securetechgetsecuretech.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 25 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 7tech IT Services7tech.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 21 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Taureantaurean.net HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 19 contacts → |
“Taurean helps organizations prevent loss and avoid damaged reputation by securing their most important asset – information.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cyfor Technologies LLCcyfor.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 15 contacts → |
“CYFOR TECHNOLOGIES LLC is an engineering services company based out of San Antonio, Texas providing support to DOD, NASA and the DOT.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Open Security, INCopensecurity.io HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 14 contacts → |
“Your business may be at risk of a cyber attack.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | True Protectiontruehomeprotection.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 14 contacts → |
“Texas-based True Protection offers affordable, top-quality security, automation, and video surveillance products and services to home owners and commercial businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tekgrationtekgration.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 10 contacts → |
“Tekgration LLC is a technology solutions provider of cutting-edge hardware, software and cybersecurity solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Blue Armor Security Servicesbluearmorsecurity.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 9 contacts → |
“Specializes in providing security guard services to residential communities as well as government and corporate entities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Redknightred-knight.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 9 contacts → |
“RedKnight provides IT engineering, architecture, and support services to the Department of Defense, State and Local government, and other commercial organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IRYSirystechnologies.com HQ: San Antonio, United StatesReported employees: 11-50 | San Antonio, United States | 11-50 | Exact match | 8 contacts → |
“Irys is a San Antonio-based technology company specializing in innovative solutions for the U.S.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Digital Defense By Helpsystemsdigitaldefense.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 8 contacts → |
“Serving clients across numerous industries from small businesses to very large enterprises, Digital Defense’s innovative and leading-edge technology helps organizations safeguard…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Techsage Solutionstechsagesolutions.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 7 contacts → |
“We are Business Consultants with a Technology Focus and CMMC consultency.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cyberonyx Securitycyberonyx-sec.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 3 contacts → |
“CyberOnyx Security | 🪖 Veteran-Owned Cybersecurity Partner for Small and Medium Businesses At CyberOnyx Security, we specialize in delivering personalized, proactive, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | C2 Threat Solutionsc2threatsolutions.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 2 contacts → |
“C2 Threat Solutions is a Woman-owned, Service-Disabled Veteran-Owned, Certified Security Management Consulting Company that offers comprehensive Security-Focused solutions to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Biggest security companies: dataset insights
September 21, 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
58 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 Antonio, so it is reported there. Company counts and contact totals on this page are exact for San Antonio, over 58 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 21, 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 ↗
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Questions about this company list
What does Exact match mean for biggest security companies?
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 biggest security companies did RevenueBase find based in San Antonio, United States?
The saved snapshot records 58 matching company records, 1,567 tracked contacts and 362 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 21, 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
Biggest security companies by geography
- Biggest security companies based in Adelaide, Australia
- Biggest security companies based in Brisbane, Australia
- Biggest security companies based in Canberra, Australia
- Biggest security companies based in Melbourne, Australia
- Biggest security companies based in Perth, Australia
- Biggest security companies based in Sydney, Australia
- Biggest security companies based in Barueri, Brazil
- Biggest security companies based in Belo Horizonte, Brazil
- Biggest security companies based in Brasilia, Brazil
- Biggest security companies based in Curitiba, Brazil
- Biggest security companies based in Porto Alegre, Brazil
- Biggest security companies based in Rio De Janeiro, Brazil
Cite this list
RevenueBase Data Team. Top 25 biggest security companies based in San Antonio, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/biggest-security-companies/united-states/san-antonio.
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
- Biggest security companies based in Adelaide, Australia
- Biggest security companies based in Brisbane, Australia
- Biggest security companies based in Canberra, Australia
- Biggest security companies based in Melbourne, Australia
- Biggest security companies based in Perth, Australia
- Biggest security companies based in Sydney, Australia