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List of Computer and Network Security Companies

Selling into Computer and Network Security? Here are its companies, biggest first, including SBA Research, Searchlight Cyber and Spire Solutions. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
SBA Research logo
SBA Research
Computer and Network Security
Austria, Wien, Wien, Alsergrund
<$1M
81
Searchlight Cyber logo
Searchlight Cyber
Computer and Network Security
United Kingdom, England, Portsmouth
$50M - $100M
81
Spire Solutions logo
Spire Solutions
Computer and Network Security
United Arab Emirates
$10M - $25M
81
TruU, Inc. logo
TruU, Inc.
Computer and Network Security
United States, California, Palo Alto
$38M
$10M - $25M
81
ACCi - American Computer Consultants, Inc. logo
ACCi - American Computer Consultants, Inc.
Computer and Network Security
United States, Alabama, Birmingham
$10M - $25M
80
CYBER RANGES logo
CYBER RANGES
Computer and Network Security
United States, Virginia, Stafford
$50M - $100M
80
Pliancy logo
Pliancy
Computer and Network Security
United States, California, San Francisco
$50M - $100M
80
Sennovate Inc. logo
Sennovate Inc.
Computer and Network Security
United States, California, San Ramon
$25M - $50M
80
CVE Technologies Group, Inc. logo
CVE Technologies Group, Inc.
Computer and Network Security
United States, Utah, Salt Lake City
$50M - $100M
79
CyberClan logo
CyberClan
Computer and Network Security
Canada, British Columbia, Vancouver
$25M - $50M
79
Oceanet Technology logo
Oceanet Technology
Computer & Network Security
France, Pays de la Loire, Saint-herblain
<$1M
79
Phished logo
Phished
Computer and Network Security
Belgium, Flanders, Leuven
$1M - $10M
79
Sourcefire, part of Cisco logo
Sourcefire, part of Cisco
Computer and Network Security
United States, Maryland, Columbia
$57M
$100M - $250M
79
Stalwart logo
Stalwart
Computer & Network Security
United States, North Carolina, Charlotte
$1M - $10M
79
Town Park logo
Town Park
Computer and Network Security
United States, New York, Rochester
$10M - $25M
79
WinMagic Corp. logo
WinMagic Corp.
Computer and Network Security
Canada, Ontario, Mississauga
$50M - $100M
79
Axur logo
Axur
Computer and Network Security
United States, Florida, Miami
$1M - $10M
78
CyberSmart logo
CyberSmart
Computer and Network Security
United Kingdom, England, London
$27M
$1M - $10M
78
Finite State logo
Finite State
Computer and Network Security
United States, Ohio, Columbus
$70M
$50M - $100M
78
Garrison | Now a part of Everfox logo
Garrison | Now a part of Everfox
Computer and Network Security
United Kingdom, England, London
$45M
$1M - $10M
78
Gold Security Corporation logo
Gold Security Corporation
Computer and Network Security
United States, Missouri, Kansas City
$100M - $250M
78
Health-ISAC logo
Health-ISAC
Computer and Network Security
United States, Florida, Orlando
$10M - $25M
78
Oneconsult logo
Oneconsult
Computer and Network Security
Switzerland, Zurich, Zürich
$1M - $10M
78
Qohash logo
Qohash
Computer and Network Security
Canada, Quebec, Quebec
$25M
$25M - $50M
78
Secure Mission Solutions a Parsons Company logo
Secure Mission Solutions a Parsons Company
Computer and Network Security
United States, South Carolina, Charleston
$25M - $50M
78
Seiso logo
Seiso
Computer and Network Security
United States, Pennsylvania, Warrendale
$1M - $10M
78
Strike logo
Strike
Computer and Network Security
United States, New York
$20M
$10M - $25M
78
TCPWave logo
TCPWave
Computer and Network Security
United States, New Jersey, Princeton
$25M - $50M
78
Thales Trusted Cyber Technologies logo
Thales Trusted Cyber Technologies
Computer and Network Security
United States, Maryland, Abingdon
$100M - $250M
78
Circadence logo
Circadence
Computer and Network Security
United States, Colorado, Boulder
$47M
$25M - $50M
77
Mako Networks logo
Mako Networks
Computer and Network Security
United States, Illinois, Elgin
$50M - $100M
77
Managed.sa logo
Managed.sa
Computer and Network Security
Saudi Arabia, Riyadh, Riyadh
$1M - $10M
77
RiskRecon by Mastercard logo
RiskRecon by Mastercard
Computer and Network Security
United States, Utah, Salt Lake City
$40M
$50M - $100M
77
atsec information security logo
atsec information security
Computer and Network Security
United States, Texas, Austin
$250M - $500M
77
SecureLogix logo
SecureLogix
Computer and Network Security
United States, Texas, San Antonio
$17M
$100M - $250M
76
Solutionary logo
Solutionary
Computer and Network Security
United States, Nebraska, Omaha
$50M - $100M
76
Triple Point Security logo
Triple Point Security
Computer and Network Security
United States, Virginia, Leesburg
$25M - $50M
76
Astrix Security logo
Astrix Security
Computer and Network Security
United States, New York
$85M
$100M - $250M
75
Conviso Application Security logo
Conviso Application Security
Computer and Network Security
Brazil, Paraná, Curitiba
<$1M
75
Fortinet Federal logo
Fortinet Federal
Computer and Network Security
United States, Virginia, Reston
$50M - $100M
75
Netsweeper logo
Netsweeper
Computer and Network Security
Canada, Ontario, Waterloo
$10M - $25M
75
Packetlabs logo
Packetlabs
Computer and Network Security
Canada, Ontario, Toronto
$25M - $50M
75
Sepio logo
Sepio
Computer and Network Security
United States, Maryland, Rockville
$48M
$50M - $100M
75
Thirdwayv Inc. logo
Thirdwayv Inc.
Computer and Network Security
United States, California, Irvine
$1M - $10M
75
TrustCloud logo
TrustCloud
Computer and Network Security
United States, Massachusetts, Boston
$37M
$100M - $250M
75
FRC logo
FRC
Computer and Network Security
United States, Pennsylvania, Erie
$50M - $100M
74
Halborn logo
Halborn
Computer and Network Security
United States
$90M
$50M - $100M
74
Virsec logo
Virsec
Computer and Network Security
United States, California, San Jose
$135M
$50M - $100M
74
watchTowr logo
watchTowr
Computer and Network Security
Singapore, Central Region, Singapore
$29M
$100M - $250M
74
Asimily logo
Asimily
Computer and Network Security
United States, California, Sunnyvale
$20M
$100M - $250M
73
Cav logo
Cav
Computer and Network Security
United States, Virginia, Falls Church
$7.3M
$25M - $50M
73
NormCyber logo
NormCyber
Computer and Network Security
United Kingdom, England, London
$1M - $10M
73
RealDefense logo
RealDefense
Computer and Network Security
United States, California, Pasadena
$100M
$10M - $25M
73
Surefire Cyber Inc. logo
Surefire Cyber Inc.
Computer and Network Security
United States, Remote
$10M
$50M - $100M
73
The Leahy Center for Digital Forensics & Cybersecurity logo
The Leahy Center for Digital Forensics & Cybersecurity
Computer and Network Security
United States, Vermont, Burlington
$25M - $50M
73
Agari logo
Agari
Computer and Network Security
United States, California, Foster City
$85M
$25M - $50M
72
Cortex by Palo Alto Networks logo
Cortex by Palo Alto Networks
Computer and Network Security
United States, California, Santa Clara
$1M - $10M
72
LMNTRIX logo
LMNTRIX
Computer and Network Security
United States, California, Irvine
$3M
$25M - $50M
72
NRD Cyber Security logo
NRD Cyber Security
Computer and Network Security
Lithuania, Vilniaus Apskritis, Vilnius
<$1M
72
Vijilan Security logo
Vijilan Security
Computer and Network Security
United States, Florida, Hallandale Beach
$25M - $50M
72
Exclusive Networks NA logo
Exclusive Networks NA
Computer and Network Security
United States, California, Fremont
$100M - $250M
71
Hurricane Labs logo
Hurricane Labs
Computer and Network Security
United States, Ohio, Beachwood
$25M - $50M
71
IriusRisk logo
IriusRisk
Computer and Network Security
Spain, Aragon, Huesca
$37M
$100M - $250M
71
Netrust Pte Ltd logo
Netrust Pte Ltd
Computer and Network Security
Singapore, Central Region, Singapore
$25M - $50M
71
SecureFlag logo
SecureFlag
Computer and Network Security
United Kingdom, England, London
$1M - $10M
71
StrikeReady logo
StrikeReady
Computer and Network Security
United States, Texas, Dallas
$25M - $50M
71
Vertek Corporation logo
Vertek Corporation
Computer and Network Security
United States, Vermont, Burlington
$50M - $100M
71
VirusTotal logo
VirusTotal
Computer and Network Security
Spain, Community of Madrid, Madrid-colmenar Viejo, Del Km. 17,500 al 22,600
$1M - $10M
71
ISA Cybersecurity logo
ISA Cybersecurity
Computer and Network Security
Canada, Ontario, Etobicoke
$10M - $25M
70
Illusive logo
Illusive
Computer and Network Security
United States, New York, New York
$54M
$50M - $100M
70
Infotrust (AU) logo
Infotrust (AU)
Computer and Network Security
Australia, New South Wales, Sydney
$5M
$10M - $25M
70
InstaSafe logo
InstaSafe
Computer and Network Security
United States, California, el Monte
$2.2M
$10M - $25M
70
KYND logo
KYND
Computer and Network Security
United Kingdom, England, London
$9.4M
$1M - $10M
70
Bibbeo Ltd logo
Bibbeo Ltd
Computer and Network Security
United States, Colorado, Denver
$10M - $25M
69
BreakPoint Labs logo
BreakPoint Labs
Computer and Network Security
United States, Virginia, Falls Church
$25M - $50M
69
FIRST logo
FIRST
Computer and Network Security
United States, North Carolina, Cary
$100M - $250M
69
Feedly logo
Feedly
Computer and Network Security
United States, California, Redwood City
$1M
$10M - $25M
69
GreyCastle Security logo
GreyCastle Security
Computer and Network Security
United States, New York, Troy
$1M - $10M
69
Institute for Software Integrated Systems, Vanderbilt University logo
Institute for Software Integrated Systems, Vanderbilt University
Computer and Network Security
United States, Tennessee, Nashville
$1M - $10M
69
TecSec logo
TecSec
Computer and Network Security
United States, Maryland, Grasonville
$10M
$1M - $10M
69
Atakama logo
Atakama
Computer and Network Security
United States, New York, New York
$13M
$100M - $250M
68
Digital Hands logo
Digital Hands
Computer and Network Security
United States, Florida, Tampa
$15M
$50M - $100M
68
ESET UK logo
ESET UK
Computer and Network Security
United Kingdom, England, Bournemouth
$10M - $25M
68
ISTARI logo
ISTARI
Computer and Network Security
United Kingdom, England, London
$1M - $10M
68
Network + Security Technologies logo
Network + Security Technologies
Computer and Network Security
United States, New York, Pearl River
$50M - $100M
68
RADICL logo
RADICL
Computer and Network Security
United States, Colorado, Boulder
$46M
$50M - $100M
68
RLM Communications, Inc. logo
RLM Communications, Inc.
Computer and Network Security
United States, North Carolina, Spring Lake
$25M - $50M
68
Security On-Demand logo
Security On-Demand
Computer & Network Security
United States, California, San Diego
$3.4M
$10M - $25M
68
SlashNext (acquired by Varonis) logo
SlashNext (acquired by Varonis)
Computer and Network Security
United States, California, Pleasanton
$41M
$25M - $50M
68
Vigilant logo
Vigilant
Computer and Network Security
United States, Ohio, Liberty Township
$25M - $50M
68
e2e-assure logo
e2e-assure
Computer and Network Security
United Kingdom, England, Abingdon
$15M
$10M - $25M
68
suresecure GmbH logo
suresecure GmbH
Computer and Network Security
Germany, North Rhine-Westphalia, Düsseldorf
$10M - $25M
68
CyberOwl logo
CyberOwl
Computer and Network Security
United Kingdom, England, London
$8.6M
$10M - $25M
67
DATASHIELD logo
DATASHIELD
Computer & Network Security
United States, Arizona, Scottsdale
$4M
$10M - $25M
67
EclecticIQ logo
EclecticIQ
Computer and Network Security
Netherlands, North Holland, Amsterdam
$77M
$25M - $50M
67
Adapt Forward logo
Adapt Forward
Computer and Network Security
United States, South Carolina, Charleston
$25M - $50M
66
Buypass AS logo
Buypass AS
Computer and Network Security
Norway, Oslo, Oslo
$1M - $10M
66
Certes logo
Certes
Computer and Network Security
United States, Pennsylvania, Moon Township
$24M
$25M - $50M
66
Ciber Digita Consultants (CDC) logo
Ciber Digita Consultants (CDC)
Computer and Network Security
United States, Delaware, Wilmington
$1M - $10M
66
Compuquip Cybersecurity logo
Compuquip Cybersecurity
Computer and Network Security
United States, Florida, Miami
$50M - $100M
66

About Computer and Network Security companies

Which Computer and Network Security companies are listed?

Computer and Network Security companies of every size, from enterprises to startups, sorted by headcount so the biggest accounts come first. Companies on the list include SBA Research, Searchlight Cyber and Spire Solutions. Every company profile gives you revenue range, headcount, headquarters, tech stack and an employee directory with verified emails and phone numbers.

Where are Computer and Network Security companies located?

Computer and Network Security companies are most often headquartered in the United States, the United Kingdom, Israel, Canada, France and Germany.

What technologies do Computer and Network Security companies use?

The tools most often found in the tech stacks of Computer and Network Security companies include WordPress, Amazon Web Services, Microsoft 365, Google Cloud, HubSpot and LinkedIn Ads. Useful if you integrate with, complement or compete with one of them.

How do I reach decision makers at Computer and Network Security companies?

Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.

Insights based on LeadIQ data refreshed in September 2026.

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