List of Companies Using Nessus
Prospecting companies using Nessus? Here they are, biggest first, including Sirius Federal, TCM Corp. (Acquired by Southland Industries) and Appirio. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
147
$50M - $100M
147
$112M
$250M - $500M
146
$10M - $25M
146
$50M - $100M
146
$50M - $100M
146
$1B - $10B
146
$1M - $10M
146
$10M
$50M - $100M
146
$25M - $50M
146
$100M - $250M
146
$50M - $100M
146
$25M - $50M
146
$22M
$50M - $100M
146
$10M - $25M
146
$100M - $250M
146
$100M - $250M
146
$1B - $10B
146
$100M - $250M
145
$2.3M
$100M - $250M
145
$50M - $100M
145
$1M - $10M
145
$1M - $10M
145
$50M - $100M
145
$500M - $1B
145
$100M - $250M
145
$100M - $250M
145
$100M - $250M
145
$100M - $250M
145
$1B - $10B
145
$50M - $100M
145
$10M - $25M
145
$25M - $50M
145
$1M - $10M
144
$100M - $250M
144
$1M - $10M
144
$25M - $50M
144
$25M - $50M
144
$25M - $50M
144
$250M - $500M
144
$100M - $250M
144
<$1M
144
$100M - $250M
144
$250M - $500M
143
$25M - $50M
143
$25M - $50M
143
$1M - $10M
143
$10M - $25M
143
$1M - $10M
143
$100M - $250M
143
$129M
$100M - $250M
143
$10M - $25M
143
$100M - $250M
143
$1M - $10M
143
$25M - $50M
143
$25M - $50M
143
$10M - $25M
143
$100M - $250M
142
$100M - $250M
142
$1M - $10M
142
$100M - $250M
142
$50M
$25M - $50M
142
$10M - $25M
142
$35M
$50M - $100M
142
$100M - $250M
142
$1M - $10M
142
$70M
$25M - $50M
141
$100M - $250M
141
$100M - $250M
141
$418M
$100M - $250M
141
$42M
$50M - $100M
141
$250M - $500M
141
$10M - $25M
141
$154M
$25M - $50M
141
$80M
$25M - $50M
141
$58M
$25M - $50M
141
$100M - $250M
140
$10M - $25M
140
$10M - $25M
140
$100M - $250M
140
$100M - $250M
140
$50M - $100M
140
$1M - $10M
140
$250M - $500M
140
$50M - $100M
140
$10M - $25M
140
$100M - $250M
140
$1M - $10M
140
$50M - $100M
140
$7.6M
$10M - $25M
139
<$1M
139
$250M - $500M
139
$100M - $250M
139
$50M - $100M
139
$100M - $250M
139
$100M - $250M
139
$100M - $250M
139
$1M - $10M
139
$400K
$10M - $25M
139
$10M
$50M - $100M
139
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 Sirius Federal, TCM Corp. (Acquired by Southland Industries) and Appirio.
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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