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List of Computer and Network Security Companies

Selling into Computer and Network Security? Here are its companies, biggest first, including QuintessenceLabs, Red Team Partners and Right-Hand Cybersecurity. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
QuintessenceLabs logo
QuintessenceLabs
Computer and Network Security
Australia, Australian Capital Territory, Canberra Airport
$62M
$1M - $10M
44
Red Team Partners logo
Red Team Partners
Computer and Network Security
United Kingdom, England, London
$1M - $10M
44
Right-Hand Cybersecurity logo
Right-Hand Cybersecurity
Computer and Network Security
United States, Delaware, Lewes
$6M
$10M - $25M
44
RiverSafe logo
RiverSafe
Computer and Network Security
United Kingdom, England, London
$1M - $10M
44
Safehouse Tech logo
Safehouse Tech
Computer and Network Security
Israel, Tel Aviv, Miqwe Yisra’el
$8.2M
$1M - $10M
44
ThreatAware logo
ThreatAware
Computer and Network Security
United Kingdom, England, London
$25M
$10M - $25M
44
Venari Security logo
Venari Security
Computer and Network Security
United Kingdom, England, London
$1M - $10M
44
Vormetric, Inc. logo
Vormetric, Inc.
Computer and Network Security
United States, California, San Jose
$45M
$100M - $250M
44
BrainTrust Holdings LLC logo
BrainTrust Holdings LLC
Computer and Network Security
United States, Maryland, Annapolis Junction
$10M - $25M
43
BugBase logo
BugBase
Computer and Network Security
United States, California, San Francisco
$500K
$1M - $10M
43
CHIPS logo
CHIPS
Computer and Network Security
United States, Minnesota, St. Paul
$10M - $25M
43
Computer Network Defence Ltd (CND) logo
Computer Network Defence Ltd (CND)
Computer and Network Security
United Kingdom, England, Corsham
$1M - $10M
43
CyberQ Group logo
CyberQ Group
Computer and Network Security
United Kingdom, England, Birmingham
$3.8M
$10M - $25M
43
Cyberwatch logo
Cyberwatch
Computer and Network Security
France, Île-de-France, Massy
$1M - $10M
43
FOGO Solutions logo
FOGO Solutions
Computer and Network Security
United States, Georgia, Carrollton
$50M - $100M
43
Finjan Holdings logo
Finjan Holdings
Computer and Network Security
United States, California, East Palo Alto
$68M
$50M - $100M
43
Intertek Acumen Security logo
Intertek Acumen Security
Computer and Network Security
United States, Maryland, Rockville
$1M - $10M
43
Legend Networking & Telecom logo
Legend Networking & Telecom
Computer and Network Security
United States, California, Los Angeles
$25M - $50M
43
Mi5 Networks logo
Mi5 Networks
Computer and Network Security
United States, California, Sunnyvale
$300K
$10M - $25M
43
dmarcian logo
dmarcian
Computer and Network Security
United States, North Carolina, Brevard
$10M - $25M
43
Abacode, a Thrive company logo
Abacode, a Thrive company
Computer and Network Security
United States, Florida, Tampa
$4.9M
$10M - $25M
42
BINARLY logo
BINARLY
Computer and Network Security
United States, California, Santa Monica
$14M
$10M - $25M
42
Backslash Security logo
Backslash Security
Computer and Network Security
Israel, Tel Aviv, Tel Aviv-yafo
$27M
$50M - $100M
42
C2A Security logo
C2A Security
Computer and Network Security
Israel, Jerusalem
$13M
$25M - $50M
42
CISOExecNet logo
CISOExecNet
Computer and Network Security
United States, Maryland, Baltimore
$1M - $10M
42
Cyber Chasse Inc logo
Cyber Chasse Inc
Computer and Network Security
United States, Texas, Dallas
$1M - $10M
42
Cyber Sainik logo
Cyber Sainik
Computer and Network Security
United States, Colorado, Greenwood Village
$6.4M
$10M - $25M
42
Delta Protect logo
Delta Protect
Computer and Network Security
Mexico, Mexico City, Mexico City
$1M - $10M
42
Disruptive Solutions, LLC logo
Disruptive Solutions, LLC
Computer and Network Security
United States, Virginia, Dulles
$25M - $50M
42
Integrity360 Italy logo
Integrity360 Italy
Computer and Network Security
Italy, Lazio, Roma
$1M - $10M
42
Phriendly Phishing logo
Phriendly Phishing
Computer and Network Security
Australia, Victoria, Melbourne
$1M - $10M
42
Practical DevSecOps logo
Practical DevSecOps
Computer and Network Security
United States, California, San Francisco
$1M - $10M
42
Reveald logo
Reveald
Computer and Network Security
United States, New York, New York
$25M - $50M
42
Sigma Prime logo
Sigma Prime
Computer and Network Security
Australia, New South Wales, Sydney
$10M - $25M
42
SpearTip logo
SpearTip
Computer and Network Security
United States, Missouri, St. Louis
$25M - $50M
42
TAB Computer Systems, Inc. logo
TAB Computer Systems, Inc.
Computer and Network Security
United States, Connecticut, Hartford
$25M - $50M
42
TrustNet logo
TrustNet
Computer and Network Security
United States, Georgia, Atlanta
$10M - $25M
42
2NS Cybersecurity Oy logo
2NS Cybersecurity Oy
Computer and Network Security
Finland, Uusimaa, Espoo
$1M - $10M
41
Anvil Secure logo
Anvil Secure
Computer and Network Security
United States, Washington, Seattle
$25M - $50M
41
Arms Cyber logo
Arms Cyber
Computer and Network Security
United States, Maryland, Fulton
$50M - $100M
41
CodeHunter logo
CodeHunter
Computer and Network Security
United States, Virginia, Mclean
$5.2M
$50M - $100M
41
DoControl logo
DoControl
Computer and Network Security
United States, New York, Malta
$43M
$25M - $50M
41
Entro Security logo
Entro Security
Computer and Network Security
United States, Massachusetts, Cambridge
$24M
$50M - $100M
41
Evo Security logo
Evo Security
Computer and Network Security
United States, Texas, Austin
$16M
$50M - $100M
41
Infinigate Schweiz logo
Infinigate Schweiz
Computer and Network Security
Switzerland, Zug, Rotkreuz
$1M - $10M
41
MazeBolt logo
MazeBolt
Computer and Network Security
Israel, Tel Aviv, Ramat Gan
$10M
$50M - $100M
41
Rampart Communications logo
Rampart Communications
Computer and Network Security
United States, Maryland, Linthicum
$15M
$10M - $25M
41
RunSafe Security Inc. logo
RunSafe Security Inc.
Computer and Network Security
United States, Virginia, Tysons
$34M
$50M - $100M
41
Tessian logo
Tessian
Computer and Network Security
United States, Massachusetts, Boston
$133M
$50M - $100M
41
Wave Systems Corp. logo
Wave Systems Corp.
Computer and Network Security
United States, Texas, Austin
$825K
$25M - $50M
41
passbolt logo
passbolt
Computer and Network Security
Luxembourg, Luxembourg, Luxembourg
$11M
<$1M
41
zvelo, Inc. logo
zvelo, Inc.
Computer and Network Security
United States, Colorado, Greenwood Village
$2.8M
$1M - $10M
41
Broadata Communications, Inc. logo
Broadata Communications, Inc.
Computer and Network Security
United States, California, Torrance
$10M - $25M
40
Cylus logo
Cylus
Computer and Network Security
Israel, Tel Aviv, Miqwe Yisra’el
$57M
$25M - $50M
40
Devicie logo
Devicie
Computer and Network Security
United States, Florida, St. Petersburg
$15M
$25M - $50M
40
Dover Networks LLC logo
Dover Networks LLC
Computer and Network Security
United States, Maryland, Ellicott City
$10M - $25M
40
Firewalls.com logo
Firewalls.com
Computer and Network Security
United States, Indiana, Indianapolis
$10M - $25M
40
Hackuity logo
Hackuity
Computer and Network Security
France, Auvergne-Rhône-Alpes, Lyon
$13M
$1M - $10M
40
Iron Vine Security logo
Iron Vine Security
Computer and Network Security
United States, District of Columbia, Washington
$10M - $25M
40
Network Consulting Services, Inc (NCSi) logo
Network Consulting Services, Inc (NCSi)
Computer and Network Security
United States, Utah, Bountiful
$50M - $100M
40
Network Security Systems Plus, Inc. logo
Network Security Systems Plus, Inc.
Computer and Network Security
United States, Virginia, Falls Church
$25M - $50M
40
OSec logo
OSec
Computer and Network Security
United States, New York, New York
$25M - $50M
40
Risk Based Security logo
Risk Based Security
Computer & Network Security
United States, Virginia, Richmond
<$1M
40
Secure Halo™, a Mission Critical Partners company logo
Secure Halo™, a Mission Critical Partners company
Computer and Network Security
United States, Maryland, Silver Spring
$10M - $25M
40
Triumph Technologies logo
Triumph Technologies
Computer and Network Security
United States
$1M - $10M
40
dope.security logo
dope.security
Computer and Network Security
United States, California, Mountain View
$20M
$25M - $50M
40
Assura, Inc. logo
Assura, Inc.
Computer and Network Security
United States, Virginia, Richmond
$1M - $10M
39
Bulletproof (Cyber Security) logo
Bulletproof (Cyber Security)
Computer and Network Security
United Kingdom, England, London
$1M - $10M
39
Celerium logo
Celerium
Computer and Network Security
United States, District of Columbia, Washington
$10M - $25M
39
Concordant LLC logo
Concordant LLC
Computer and Network Security
United States, Wyoming, Laramie
$10M - $25M
39
CybExer Technologies logo
CybExer Technologies
Computer and Network Security
Estonia, Harjumaa, Tallinn
$7.3M
<$1M
39
CyberPoint International logo
CyberPoint International
Computer and Network Security
United States, Maryland, Columbia
$10M - $25M
39
Cybersixgill, a Bitsight Company logo
Cybersixgill, a Bitsight Company
Computer and Network Security
Israel, Tel Aviv, Miqwe Yisra’el
$56M
$10M - $25M
39
ERNW Enno Rey Netzwerke GmbH logo
ERNW Enno Rey Netzwerke GmbH
Computer and Network Security
Germany, Baden-Württemberg, Heidelberg
$1M - $10M
39
FIFTEEN logo
FIFTEEN
Computer and Network Security
Australia, Victoria, st Leonards
$50M - $100M
39
ISM logo
ISM
Computer and Network Security
United States, Maryland, North Bethesda
$10M - $25M
39
Judy Security logo
Judy Security
Computer and Network Security
United States, Michigan, Detroit
$13M
$25M - $50M
39
Kennecott Bingham Canyon Mine logo
Kennecott Bingham Canyon Mine
Computer and Network Security
United States, Utah, South Jordan
$10M - $25M
39
MX Logic logo
MX Logic
Computer and Network Security
United States
$27M
$100M - $250M
39
Manifest Cyber logo
Manifest Cyber
Computer and Network Security
United States, New York
$21M
$50M - $100M
39
Mullvad VPN logo
Mullvad VPN
Computer and Network Security
Sweden, Västra Götaland, Gothenburg
$1M - $10M
39
Network Learning Institute logo
Network Learning Institute
Computer & Network Security
United States, New Jersey, Mount Laurel
$1M - $10M
39
Proofpoint Security Awareness Training logo
Proofpoint Security Awareness Training
Computer and Network Security
United States, Pennsylvania, Pittsburgh
$11M
$25M - $50M
39
RiskAnalytics logo
RiskAnalytics
Computer and Network Security
United States, Kansas, Overland Park
$50M - $100M
39
San Diego Cyber Center of Excellence (CCOE) logo
San Diego Cyber Center of Excellence (CCOE)
Computer and Network Security
United States, California, San Diego
$1M
$1M - $10M
39
SecureTrust logo
SecureTrust
Computer and Network Security
United States, Illinois, Chicago
$10M - $25M
39
Simplesense logo
Simplesense
Computer and Network Security
United States, New York, Brooklyn
$1.8M
$10M - $25M
39
ThreatTrack Security logo
ThreatTrack Security
Computer and Network Security
United States, Florida, Clearwater
$25M - $50M
39
Blue Layer logo
Blue Layer
Computer and Network Security
United States, Texas, Lubbock
$10M - $25M
38
Blue Team Alpha logo
Blue Team Alpha
Computer and Network Security
United States, Minnesota, St. Paul
$25M - $50M
38
Charon Technologies logo
Charon Technologies
Computer and Network Security
United States, Virginia, Herndon
$10M - $25M
38
Cyber Security Summit | cybersecuritysummit.org logo
Cyber Security Summit | cybersecuritysummit.org
Computer and Network Security
United States, Minnesota, Minneapolis
$1M - $10M
38
Cylera logo
Cylera
Computer and Network Security
United States, New York, New York
$19M
$10M - $25M
38
Ermes Browser Security logo
Ermes Browser Security
Computer and Network Security
Italy, Piemonte, Torino
$5M
$1M - $10M
38
Findings logo
Findings
Computer and Network Security
United States, New York, New York
$1M - $10M
38
Gormat logo
Gormat
Computer and Network Security
United States, Maryland, Rockville
$10M - $25M
38
Mission Critical Systems logo
Mission Critical Systems
Computer and Network Security
United States, Florida, Fort Lauderdale
$50M - $100M
38
PCS International logo
PCS International
Computer and Network Security
United States, Illinois, Inverness
$25M - $50M
38
Timus logo
Timus
Computer and Network Security
United States, Florida, Laurel
$1M
$50M - $100M
38
True North ITG Inc logo
True North ITG Inc
Computer and Network Security
United States, Washington, Mill Creek
$10M - $25M
38

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 QuintessenceLabs, Red Team Partners and Right-Hand Cybersecurity. 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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