List of Companies Using Nessus
Prospecting companies using Nessus? Here they are, biggest first, including Cole Engineering Services, Inc. (CESI), a By Light Company, Dell EMC XtremIO and Eastvantage. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
506
$25M
$250M - $500M
506
$25M - $50M
506
$250M - $500M
506
$50M - $100M
506
$114M
$500M - $1B
506
$100M - $250M
505
$25M - $50M
504
$50M - $100M
503
$100M - $250M
503
$250M - $500M
503
$1B - $10B
503
$500M - $1B
502
$23M
$250M - $500M
502
$250M - $500M
502
$1M - $10M
501
$1M - $10M
501
$50M - $100M
501
$100M - $250M
501
<$1M
501
$10M - $25M
501
$10M - $25M
501
$100M - $250M
501
<$1M
501
$1M - $10M
501
$25M - $50M
501
501
$250M - $500M
501
<$1M
501
$10M - $25M
501
$25M - $50M
501
$56M
$100M - $250M
501
<$1M
501
$25M - $50M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
$1M - $10M
501
$25M - $50M
501
$100M - $250M
501
<$1M
501
$1M - $10M
501
$1B - $10B
501
<$1M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
$100M - $250M
501
$10M - $25M
501
$50M - $100M
501
$126M
$25M - $50M
501
$10M - $25M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
<$1M
501
$50M - $100M
501
$10M - $25M
501
$9M
<$1M
501
$50M - $100M
501
$3.8M
$25M - $50M
501
<$1M
501
<$1M
501
$50M - $100M
501
$1B - $10B
501
$25M
$100M - $250M
501
$1M - $10M
501
$10M - $25M
501
$100M - $250M
501
$50M - $100M
501
<$1M
501
$250M - $500M
501
501
$10M - $25M
501
<$1M
501
$10M - $25M
501
$50M - $100M
501
$1B - $10B
500
$250M - $500M
499
$250M - $500M
499
$100M - $250M
499
$1B - $10B
498
$1B - $10B
498
$100M - $250M
498
$25M - $50M
497
$50M - $100M
496
$148M
$10M - $25M
496
$50M - $100M
496
$722M
$250M - $500M
495
$1M - $10M
494
$50M - $100M
494
$25M - $50M
494
$250M - $500M
494
$100M - $250M
493
$481M
$100M - $250M
493
$250M - $500M
493
$100M - $250M
492
$10M - $25M
492
About companies using Nessus
Why target companies using Nessus?
Nessus is a Security, identity & compliance technology. Companies running these tools already spend on identity, endpoint, email and consent security, which makes them mature buyers in the category. Companies on the list include Cole Engineering Services, Inc. (CESI), a By Light Company, Dell EMC XtremIO and Eastvantage.
Which industries use Nessus the most?
Among companies using Nessus on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Defense and Space Manufacturing, Higher Education and Computer and Network Security. Narrow your list to the industry you sell into from there.
Where are companies using Nessus located?
Companies using Nessus are most often headquartered in the United States, the United Kingdom, Canada, India, Germany and France.
What other Security, identity & compliance technologies do companies use?
Prospecting the wider Security, identity & compliance space? Related technologies with their own company lists include Microsoft Active Directory, Cisco, Microsoft Entra ID and CookieYes.
How do I reach decision makers at companies using Nessus?
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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