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List of Computer and Network Security Companies

Selling into Computer and Network Security? Here are its companies, biggest first, including Mindgard, Narus Inc and ObserveIT. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
Mindgard logo
Mindgard
Computer and Network Security
United States, Massachusetts, Boston
$12M
$1M - $10M
32
Narus Inc logo
Narus Inc
Computer and Network Security
United States, California, Sunnyvale
$49M
$1M - $10M
32
ObserveIT logo
ObserveIT
Computer and Network Security
United States, Massachusetts, Boston
$53M
$25M - $50M
32
OneAxiom logo
OneAxiom
Computer and Network Security
United States, Florida, Naples
$50M - $100M
32
Quantum PKI logo
Quantum PKI
Computer and Network Security
United States, Illinois, Highland Park
$1M - $10M
32
Red Sentry logo
Red Sentry
Computer and Network Security
United States, Georgia, Atlanta
$50M - $100M
32
SEWORKS logo
SEWORKS
Computer and Network Security
United States, California, San Francisco
$12M
$50M - $100M
32
SOFTwarfare® logo
SOFTwarfare®
Computer and Network Security
United States, Kansas, Prairie Village
$25M - $50M
32
Securion logo
Securion
Computer and Network Security
United States, Illinois, Chicago
$25M - $50M
32
Sipera Systems logo
Sipera Systems
Computer and Network Security
United States, Texas, Richardson
$10M - $25M
32
The SoundSide Group logo
The SoundSide Group
Computer and Network Security
United States, North Carolina, Plymouth
$10M - $25M
32
Wedge Networks Inc. logo
Wedge Networks Inc.
Computer and Network Security
Canada, Alberta, Calgary
$11M
$1M - $10M
32
42Crunch logo
42Crunch
Computer and Network Security
Ireland, Dublin
$21M
$1M - $10M
31
Acunetix by Invicti logo
Acunetix by Invicti
Computer and Network Security
United States, Texas, Austin
$1M - $10M
31
Camelot Secure logo
Camelot Secure
Computer and Network Security
United States, Maryland, Columbia
$10M - $25M
31
Capsicum Group, LLC logo
Capsicum Group, LLC
Computer and Network Security
United States, Pennsylvania, Philadelphia
$25M - $50M
31
Defiant logo
Defiant
Computer and Network Security
United States, Washington, Seattle
$1M - $10M
31
Dytech Group logo
Dytech Group
Computer and Network Security
United States, Florida, St. Petersburg
$10M - $25M
31
First Travel Alliance logo
First Travel Alliance
Computer and Network Security
United States, Colorado, Colorado Springs
$10M - $25M
31
Foundstone Professional Services, Intel Security logo
Foundstone Professional Services, Intel Security
Computer & Network Security
United States, California, Mission Viejo
$10M - $25M
31
GH Engineering logo
GH Engineering
Computer and Network Security
United States, Virginia, Tysons
$10M - $25M
31
Haiku, Inc logo
Haiku, Inc
Computer and Network Security
United States, Nevada, Henderson
$1M - $10M
31
ImmuniWeb logo
ImmuniWeb
Computer and Network Security
Switzerland, Geneva, Geneva
$1M - $10M
31
MegaplanIT logo
MegaplanIT
Computer and Network Security
United States, Arizona, Scottsdale
$25M - $50M
31
Nashville Computer, Inc. logo
Nashville Computer, Inc.
Computer and Network Security
United States, Tennessee, Brentwood
$10M - $25M
31
OTORIO, now part of Armis logo
OTORIO, now part of Armis
Computer and Network Security
Israel, Tel Aviv, Miqwe Yisra’el
$10M - $25M
31
Runtime Verification logo
Runtime Verification
Computer and Network Security
United States, Utah, Moab
$6.9M
$10M - $25M
31
Sedara logo
Sedara
Computer and Network Security
United States, New York, Buffalo
$50M - $100M
31
Siemplify (Now Part of Google Cloud) logo
Siemplify (Now Part of Google Cloud)
Computer and Network Security
United States, New York, New York
$58M
$50M - $100M
31
Skyhawk Security logo
Skyhawk Security
Computer and Network Security
Israel, Tel Aviv
$35M
$50M - $100M
31
ThreatQuotient logo
ThreatQuotient
Computer and Network Security
United States, Virginia, Ashburn
$50M - $100M
31
TrainACE logo
TrainACE
Computer and Network Security
United States, Maryland, Greenbelt
$1M - $10M
31
Wildcard Corp. logo
Wildcard Corp.
Computer and Network Security
United States, Wisconsin, Stevens Point
$10M - $25M
31
Ziwit logo
Ziwit
Computer and Network Security
France, Occitanie, Montpellier
$10M - $25M
31
Autobahn Security | Reduce Hackability logo
Autobahn Security | Reduce Hackability
Computer and Network Security
Singapore, Central Region, Singapore
$1M - $10M
30
Avertro logo
Avertro
Computer and Network Security
United States, California, San Francisco
$655K
$10M - $25M
30
BMB Solutions logo
BMB Solutions
Computer and Network Security
United States, New York, Hauppauge
$25M - $50M
30
Carbide logo
Carbide
Computer and Network Security
Canada, Nova Scotia, Sydney
$6M
$1M - $10M
30
ChainSecurity logo
ChainSecurity
Computer and Network Security
Switzerland, Zurich, Zürich
$1M - $10M
30
CrowdSec logo
CrowdSec
Computer and Network Security
France, Île-de-France, Paris
$23M
<$1M
30
Deja vu Security logo
Deja vu Security
Computer & Network Security
United States, Washington, Seattle
$1M - $10M
30
Device Authority logo
Device Authority
Computer and Network Security
United Kingdom, England, Reading
$12M
$1M - $10M
30
ECS Technology Solutions logo
ECS Technology Solutions
Computer and Network Security
United States, Nebraska, Elkhorn
$10M - $25M
30
InfoExpress, Inc. logo
InfoExpress, Inc.
Computer and Network Security
United States, California, Santa Clara
$50M - $100M
30
Mirai Security logo
Mirai Security
Computer and Network Security
United States, Washington, Seattle
$1M - $10M
30
North Texas ISSA logo
North Texas ISSA
Computer and Network Security
United States, Texas, Plano
$1M - $10M
30
Plerion logo
Plerion
Computer and Network Security
Australia, New South Wales, Sydney
$15M
$25M - $50M
30
PointGuard AI logo
PointGuard AI
Computer and Network Security
United States, California, San Jose
$1M - $10M
30
Public Library of Johnston County and Smithfield logo
Public Library of Johnston County and Smithfield
Computer and Network Security
United States, North Carolina, Smithfield
$10M - $25M
30
REN-ISAC logo
REN-ISAC
Computer and Network Security
United States, Indiana, Bloomington
$10M - $25M
30
Safend logo
Safend
Computer and Network Security
United States, New York, New York
$16M
$25M - $50M
30
Satisnet, a Gamma company logo
Satisnet, a Gamma company
Computer and Network Security
United Kingdom, England, Luton
$1M - $10M
30
SolCyber logo
SolCyber
Computer and Network Security
United States, Texas, Dallas
$20M
$25M - $50M
30
StackHawk logo
StackHawk
Computer and Network Security
United States, Colorado, Denver
$47M
$25M - $50M
30
Yoroi logo
Yoroi
Computer and Network Security
Italy, Emilia-Romagna, Cesena
<$1M
30
nGuard logo
nGuard
Computer and Network Security
United States, North Carolina, Charlotte
$50M - $100M
30
Access Point Consulting logo
Access Point Consulting
Computer and Network Security
United States, Pennsylvania, Allentown
$1M - $10M
29
Cavalry Solutions, LLC logo
Cavalry Solutions, LLC
Computer and Network Security
United States, Colorado, Greenwood Village
$10M - $25M
29
Computer Consulting Services logo
Computer Consulting Services
Computer and Network Security
United States, Tennessee, Jackson
$10M - $25M
29
CybeReady | Security Awareness Training logo
CybeReady | Security Awareness Training
Computer and Network Security
United States, California, Santa Clara
$5M
$50M - $100M
29
CyberGRX logo
CyberGRX
Computer and Network Security
United States, Colorado, Denver
$99M
$10M - $25M
29
MagicCube, Inc. logo
MagicCube, Inc.
Computer and Network Security
United States, California, Santa Clara
$10M - $25M
29
MedSec logo
MedSec
Computer and Network Security
United States, Florida, Fort Lauderdale
$25M - $50M
29
Mesh Security logo
Mesh Security
Computer and Network Security
United States, California, Palo Alto
$19M
$50M - $100M
29
MicroSec logo
MicroSec
Computer and Network Security
Singapore, Central Region, Singapore
$50M - $100M
29
NALEJ.ai Corporation logo
NALEJ.ai Corporation
Computer and Network Security
United States, New York, New York
$5.5M
$10M - $25M
29
Network Builders IT logo
Network Builders IT
Computer and Network Security
United States, Texas, Plano
$25M - $50M
29
NopSec logo
NopSec
Computer and Network Security
United States, New York, New York
$60K
$25M - $50M
29
Redflags. logo
Redflags.
Computer and Network Security
United Kingdom, England, London
$3.8M
$1M - $10M
29
SCADAfence, a Honeywell Company logo
SCADAfence, a Honeywell Company
Computer and Network Security
United States, New York, New York
$40M
$1M - $10M
29
Security Validation | SecVal MSSP logo
Security Validation | SecVal MSSP
Computer and Network Security
United States, New Jersey, Oradell
$10M - $25M
29
Smallstep logo
Smallstep
Computer and Network Security
United States, California, San Francisco
$26M
$50M - $100M
29
Spambrella logo
Spambrella
Computer and Network Security
United States, Delaware, Dover
<$1M
29
ThreatHunter.ai logo
ThreatHunter.ai
Computer and Network Security
United States, California, Brea
$50M - $100M
29
VISO TRUST logo
VISO TRUST
Computer and Network Security
United States, California, San Francisco
$21M
$25M - $50M
29
WarCollar Industries, LLC logo
WarCollar Industries, LLC
Computer and Network Security
United States, Virginia, Reston
$10M - $25M
29
evolutionQ logo
evolutionQ
Computer and Network Security
Canada, Ontario, Waterloo
$5.4M
$1M - $10M
29
iSenpai, LLC - SBA WOSB logo
iSenpai, LLC - SBA WOSB
Computer and Network Security
United States, Virginia, Mclean
$10M - $25M
29
AUSCERT logo
AUSCERT
Computer and Network Security
Australia, Queensland, University of Queensland
$1M - $10M
28
Akto.io logo
Akto.io
Computer and Network Security
United States, California, San Francisco
$4.5M
$10M - $25M
28
Alias Cybersecurity logo
Alias Cybersecurity
Computer and Network Security
United States, Oklahoma, Yukon
$10M - $25M
28
Black Rock Engineering and Technology logo
Black Rock Engineering and Technology
Computer and Network Security
United States, Florida, Satellite Beach
$1M - $10M
28
Blue Ridge Networks, Inc. logo
Blue Ridge Networks, Inc.
Computer and Network Security
United States, Virginia, Chantilly
$19M
$25M - $50M
28
BorderLAN, Inc. - Cybersecurity logo
BorderLAN, Inc. - Cybersecurity
Computer and Network Security
United States, California, San Marcos
$25M - $50M
28
Brookcourt Solutions logo
Brookcourt Solutions
Computer and Network Security
United Kingdom, England, London
$1M - $10M
28
CSM International LLC logo
CSM International LLC
Computer and Network Security
United States, Pennsylvania, Philadelphia
$1M - $10M
28
Cloud Range logo
Cloud Range
Computer and Network Security
United States, Tennessee, Nashville
$6.2M
$50M - $100M
28
Code Green Networks logo
Code Green Networks
Computer and Network Security
United States, California, Sunnyvale
$35M
$50M - $100M
28
Cyberleaf logo
Cyberleaf
Computer and Network Security
United States, Florida, Fort Myers
$10M - $25M
28
Decru logo
Decru
Computer and Network Security
United States
$55M
$50M - $100M
28
Doc-Solutions / Doc-Secure logo
Doc-Solutions / Doc-Secure
Computer and Network Security
United States, Florida, Fort Lauderdale
$25M - $50M
28
Garner Products logo
Garner Products
Computer and Network Security
United States, California, Roseville
$50M - $100M
28
Hoplite logo
Hoplite
Computer and Network Security
United States, Indiana, Indianapolis
$1M - $10M
28
Impart logo
Impart
Computer and Network Security
United States, California, San Francisco
$31M
$50M - $100M
28
IronKey logo
IronKey
Computer and Network Security
United States, California, Fountain Valley
$50M - $100M
28
Kanopy Security (Formerly Nokod) logo
Kanopy Security (Formerly Nokod)
Computer and Network Security
Israel, Tel Aviv
$8M
$10M - $25M
28
LimaCharlie logo
LimaCharlie
Computer and Network Security
United States, California, Covina
$50M - $100M
28
MWR InfoSecurity logo
MWR InfoSecurity
Computer and Network Security
United Kingdom, England, Basingstoke
$9.3M
$10M - $25M
28
Malleum logo
Malleum
Computer and Network Security
Canada, Ontario, Ottawa
$10M - $25M
28
Nok Nok (Now OneSpan) logo
Nok Nok (Now OneSpan)
Computer and Network Security
United States, Massachusetts, Boston
$70M
$1M - $10M
28

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 Mindgard, Narus Inc and ObserveIT. 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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