List of Companies Using Nessus

Prospecting companies using Nessus? Here they are, biggest first, including Insignia Technology Services, LLC, MassMutual Commonwealth and Massachusetts Mutual Life Insurance Company. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
58

$10M - $25M
58

$100M - $250M
58

$78M
$100M - $250M
58

$23M
$25M - $50M
58

$100M - $250M
58

$242M
$10M - $25M
58

$10M - $25M
58

$25M - $50M
58

$1M - $10M
57

$50M - $100M
57

$1M - $10M
57

$10M - $25M
57

$25M - $50M
57

$100M - $250M
57

$50M
$25M - $50M
57

$25M - $50M
57

$25M - $50M
57

$50M - $100M
57

$50M - $100M
57

$10M - $25M
57

$50M - $100M
57

$25M - $50M
57

$25M - $50M
57

$500M - $1B
57

$1M - $10M
57

$10M - $25M
57

$50M - $100M
57

$100M - $250M
57

$1M - $10M
57

$1M - $10M
57

$60M
$25M - $50M
56

$25M - $50M
56

<$1M
56

$50M - $100M
56

$25M - $50M
56

$50M - $100M
56

$10M - $25M
56

$50M - $100M
56

$25M - $50M
56

$25M - $50M
56

$10M - $25M
56

$1M - $10M
56

$10M - $25M
56

$250M - $500M
56

$25M - $50M
56

$25M - $50M
56

$25M - $50M
56

$1M - $10M
56

$10M - $25M
56

$25M - $50M
56

$25M - $50M
56

$50M - $100M
56

$1M - $10M
56

$1M - $10M
56

$1M - $10M
55

$50M - $100M
55

$25M - $50M
55

$10M - $25M
55

$23M
$10M - $25M
55

$10M - $25M
55

$25M - $50M
55

$10M - $25M
55

$50M - $100M
55

$50M - $100M
55

$10M - $25M
55

$25M - $50M
55

$25M - $50M
55

$10M - $25M
55

$25M - $50M
55

$25M - $50M
55

$25M - $50M
55

$49M
$1M - $10M
55

$25M - $50M
55

$25M - $50M
55

$10M - $25M
55

$17M
$100M - $250M
55

$25M - $50M
55

$1M - $10M
55

$1M - $10M
55

$50M - $100M
55

$25M - $50M
54

$25M - $50M
54

$100M - $250M
54

$25M - $50M
54

$50M - $100M
54

$25M - $50M
54

$25M - $50M
54

$1M - $10M
54

$100M - $250M
54

$9.1M
$25M - $50M
54

$50M - $100M
54

$50M - $100M
54

$1M - $10M
54

$48M
$25M - $50M
54

$50M - $100M
54

$50M - $100M
54

$1M - $10M
54

$50M - $100M
54

$25M - $50M
54

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 Insignia Technology Services, LLC, MassMutual Commonwealth and Massachusetts Mutual Life Insurance Company.

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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