List of Companies Using Nessus
Prospecting companies using Nessus? Here they are, biggest first, including Capgemini Invent, Booking.com and TransUnion. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
17K
$10B+
17K
$1.4B
$10B+
17K
$1B - $10B
17K
$48M
$500M - $1B
17K
$1B - $10B
17K
$210M
$1B - $10B
17K
$450M
$1B - $10B
17K
$4B
$1B - $10B
17K
$1B - $10B
17K
$1B - $10B
17K
$50M - $100M
17K
$89M
$1B - $10B
17K
$1.1B
$250M - $500M
17K
$10B+
16K
$1B - $10B
16K
$500M - $1B
16K
$814M
$500M - $1B
16K
$100M - $250M
16K
$10B+
16K
$10B+
16K
$450M
$10B+
16K
$10B+
16K
$6.8M
$1B - $10B
16K
$100M - $250M
16K
$1B - $10B
16K
$1B - $10B
16K
$1B - $10B
16K
$3.6B
$1B - $10B
16K
$1B - $10B
16K
$10B+
16K
$10B+
16K
$10B+
16K
$800M
$10B+
16K
$1B - $10B
15K
$113M
$1B - $10B
15K
$102M
$10B+
15K
$9M
$1B - $10B
15K
$24M
$500M - $1B
15K
$1.5B
$1B - $10B
15K
$1.8B
$10B+
15K
$10B+
15K
$748M
$10B+
15K
$527M
$1B - $10B
15K
$700M
$10B+
15K
$10B+
15K
$1.7B
$250M - $500M
15K
$1B - $10B
15K
$3.9B
$10B+
15K
$1.1B
$1B - $10B
15K
$5.5M
$1B - $10B
15K
$265M
$10B+
15K
$1B - $10B
15K
$824M
$10B+
15K
$2.2B
$10B+
15K
$10B+
15K
$329M
$1B - $10B
15K
$10B+
15K
$500M - $1B
15K
$1B - $10B
15K
$10B+
15K
$10B+
15K
$1B - $10B
15K
$3.3B
$10B+
15K
$2.5B
$10B+
15K
$1B - $10B
15K
$1B - $10B
15K
$3.2B
$10B+
15K
$10B+
15K
$500M
$10B+
15K
$1B - $10B
15K
$4.9B
$1B - $10B
15K
$50M
$1B - $10B
15K
$1B - $10B
15K
$9.8B
$1B - $10B
15K
$25M - $50M
15K
$5.8B
$1B - $10B
15K
$886M
$10B+
14K
$10B+
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1.3B
$500M - $1B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$250M - $500M
14K
$1B - $10B
14K
$201M
$10B+
14K
$1.4B
$1B - $10B
14K
$280M
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$1B - $10B
14K
$500M
$10B+
14K
$3.6B
$10B+
14K
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 Capgemini Invent, Booking.com and TransUnion.
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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Top companies by employee count
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
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