List of Companies Using Nessus
Prospecting companies using Nessus? Here they are, biggest first, including Speedco, Unison and Curinos. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
523
$7M
$500M - $1B
523
$26M
$250M - $500M
522
$27M
$100M - $250M
522
$500M - $1B
521
$1.1B
<$1M
520
$1M - $10M
520
$1M - $10M
519
$250M - $500M
519
$100M - $250M
518
$100M - $250M
518
$1B - $10B
516
$50M - $100M
516
$250M - $500M
516
$500M - $1B
516
$500M - $1B
516
$500M - $1B
516
$25M - $50M
515
$10M - $25M
515
$50M - $100M
514
$100M - $250M
514
$432M
$500M - $1B
513
$23M
$250M - $500M
513
$250M - $500M
512
$387M
$100M - $250M
512
$250M - $500M
512
$500M - $1B
511
$1M - $10M
511
$100M - $250M
511
$10M - $25M
511
$100M - $250M
510
$25M - $50M
510
$113M
$10M - $25M
510
$25M - $50M
510
$1B - $10B
509
$100M - $250M
509
$100M - $250M
509
$50M - $100M
509
$250M - $500M
508
$12M
$250M - $500M
508
$250M - $500M
508
$25M - $50M
508
$250M - $500M
508
$25M - $50M
507
$1M - $10M
507
$50M - $100M
506
$650K
$100M - $250M
506
$500M - $1B
505
$114M
$500M - $1B
505
$25M - $50M
504
$250M - $500M
504
$25M - $50M
504
$100M - $250M
503
$25M
$100M - $250M
503
$10M - $25M
502
$50M - $100M
502
$1M - $10M
501
$1M - $10M
501
$100M - $250M
501
<$1M
501
$10M - $25M
501
$10M - $25M
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
<$1M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
$100M - $250M
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
$250M - $500M
501
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 Speedco, Unison and Curinos.
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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