List of Companies Using Nessus

Prospecting companies using Nessus? Here they are, biggest first, including Telos Corporation, OneSpan and MetroStar. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$43K
$100M - $250M
671

$100M - $250M
670

$250M - $500M
669

$500M - $1B
668

$250M - $500M
668

$100M - $250M
667

$1B - $10B
666

$100M - $250M
666

$100M - $250M
666

$100M
$250M - $500M
665

$250M - $500M
665

$500M - $1B
665

$10M - $25M
665

$100M - $250M
663

$250M - $500M
663

$100M - $250M
663

$250M - $500M
662

$250M - $500M
661

$181K
$25M - $50M
661

$250M - $500M
661

Mexico, Mexico City, Mexico City
$10M - $25M
661

$160M
$250M - $500M
661

$250M - $500M
660

$13M
$100M - $250M
659

$100M - $250M
659

$100M - $250M
658

$500M - $1B
658

$1M - $10M
658

$250M - $500M
658

$500M - $1B
657

Poland, Lower Silesian, Wrocław
$100M - $250M
657

$100M - $250M
656

$100M - $250M
656

$46M
$50M - $100M
656

$500M - $1B
655

$500M - $1B
655

$100M - $250M
654

$10M - $25M
654

$10B+
654

$57M
$500M - $1B
654

Hong Kong, Hong Kong Island
$10B+
654

$99M
$50M - $100M
653

$500M - $1B
653

$100M - $250M
653

$50M - $100M
652

$100M - $250M
651

$250M - $500M
650

$100M - $250M
650

$100M - $250M
650

$100M - $250M
649

$100M - $250M
649

$25M - $50M
649

$859M
$250M - $500M
649

$25M - $50M
649

$100M - $250M
648

$250M - $500M
648

$10M - $25M
647

$25M - $50M
647

Austria, Salzburg, Salzburg
$10M - $25M
647

$250M - $500M
646

$78M
$500M - $1B
645

$250M - $500M
645

$100M - $250M
644

$507M
$250M - $500M
643

$250M - $500M
643

$250M - $500M
643

$1M - $10M
642

$250M - $500M
641

$50M - $100M
641

$1M - $10M
641

$100M - $250M
640

$50M - $100M
640

Poland, Masovian, Warsaw
$100M - $250M
639

$10M
$500M - $1B
639

$25M - $50M
638

$100M - $250M
638

$250M - $500M
637

Morocco, Rabat-Salé-Kénitra
$10M - $25M
637

$500M - $1B
636

$1B - $10B
636

$500M - $1B
636

$500M - $1B
634

$1M - $10M
634

$250M - $500M
634

$500M - $1B
632

$500M - $1B
632

$50M - $100M
632

$85M
$100M - $250M
631

$10M - $25M
631

$200M
$100M - $250M
630

$25M - $50M
630

$50M - $100M
629

$100M - $250M
629

$500M - $1B
629

$100M - $250M
628

$1M - $10M
627

$1B - $10B
627

Turkey, Istanbul, Levazim
$1B - $10B
625

$500M - $1B
625

$50M - $100M
625

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 Telos Corporation, OneSpan and MetroStar.

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.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.