List of Companies Using Nessus
Prospecting companies using Nessus? Here they are, biggest first, including Particle Measuring Systems, PlanSource and REPAY - Realtime Electronic Payments. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
544
$94M
$250M - $500M
544
$1.1B
$250M - $500M
544
$500M - $1B
544
$500M - $1B
543
$144M
$50M - $100M
542
$1B - $10B
542
$10M - $25M
540
$1B - $10B
540
$500M - $1B
540
$500M - $1B
539
$10M - $25M
539
$50M - $100M
539
$1B
$100M - $250M
539
$242M
$100M - $250M
538
$500M - $1B
538
$10M - $25M
538
$250M - $500M
536
$50M - $100M
536
$100M - $250M
535
$250M - $500M
535
$5.7M
$100M - $250M
534
$50M - $100M
534
$10M - $25M
534
$50M - $100M
533
$1B - $10B
533
$100M - $250M
533
$10M - $25M
533
$50M - $100M
532
$50M - $100M
532
$250M - $500M
531
$225M
$100M - $250M
531
$25M - $50M
531
$50M - $100M
531
$25M - $50M
531
$250M - $500M
530
$723M
$100M - $250M
530
$113M
$10M - $25M
530
$418M
$500M - $1B
530
$414M
$250M - $500M
530
$426M
$250M - $500M
530
$10M - $25M
529
$100M - $250M
529
$50M - $100M
529
$500M - $1B
529
$1M - $10M
528
$100M - $250M
528
$500M - $1B
528
$650K
$100M - $250M
528
$100M - $250M
527
$250M - $500M
526
$500M - $1B
526
$500M - $1B
526
$9M
$100M - $250M
525
$500M - $1B
525
$100M - $250M
524
$1.1B
$25M - $50M
524
$100M - $250M
523
$500M - $1B
523
$500M - $1B
522
$100M - $250M
521
$27M
$100M - $250M
521
$7M
$500M - $1B
521
$50M - $100M
519
$1M - $10M
519
$500M - $1B
518
$26M
$250M - $500M
518
$100M - $250M
518
$500M - $1B
518
$500M - $1B
518
$4.5M
$100M - $250M
517
$250M - $500M
517
$1M - $10M
517
$10M - $25M
516
$2B
$1M - $10M
516
$250M - $500M
516
$100M - $250M
515
$100M - $250M
515
$250M - $500M
515
$250M - $500M
515
$10M - $25M
515
$1B - $10B
514
$25M - $50M
514
$250M - $500M
514
$25M - $50M
513
$100M - $250M
513
$100M - $250M
513
$432M
$500M - $1B
512
$1M - $10M
512
$387M
$100M - $250M
511
$12M
$250M - $500M
511
$25M - $50M
511
$25M - $50M
510
$50M - $100M
510
$500M - $1B
509
$100M - $250M
509
$100M - $250M
509
$251M
$500M - $1B
509
$250M - $500M
507
$100M - $250M
507
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 Particle Measuring Systems, PlanSource and REPAY - Realtime Electronic Payments.
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
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