List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including ISsoft, Auditor of State - Ohio and EWE AG. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
751
$250M - $500M
750
$250M - $500M
750
$210M
$250M - $500M
750
$500M - $1B
749
$500M - $1B
749
$2.7B
$25M - $50M
747
$1B - $10B
746
$25M - $50M
746
$25M - $50M
746
$50M - $100M
745
$500M - $1B
744
$256M
$1B - $10B
743
$25M - $50M
742
$250M - $500M
742
$100M - $250M
740
$500M - $1B
739
$25M - $50M
739
$1B - $10B
739
$500M - $1B
738
$100M - $250M
737
$44M
$250M - $500M
737
$250M - $500M
737
$1B - $10B
736
$500M - $1B
736
$100M - $250M
736
$50M - $100M
735
$25M - $50M
734
$100M - $250M
734
$100M - $250M
733
$164M
$250M - $500M
733
$100M - $250M
733
$100M - $250M
733
$250M - $500M
732
$50M - $100M
732
$25M - $50M
732
$100M - $250M
731
$10M - $25M
731
$100M - $250M
731
$250M - $500M
731
$250M - $500M
730
$10M - $25M
730
$1B - $10B
730
$50M - $100M
729
$1M - $10M
729
$50M - $100M
729
$100M - $250M
728
$500M - $1B
728
$500M - $1B
728
$500M - $1B
728
$50M - $100M
728
$1B - $10B
726
$149M
$500M - $1B
726
$1B - $10B
726
$50M - $100M
726
$50M - $100M
725
$250M - $500M
725
$247M
$1B - $10B
724
$100M - $250M
724
$7.5M
$250M - $500M
724
$25M - $50M
724
$500M - $1B
723
$8M
$500M - $1B
723
$100M - $250M
721
$100M - $250M
720
$25M - $50M
719
$500M - $1B
718
$1M - $10M
717
$25M - $50M
717
$250M - $500M
716
$100M - $250M
716
$50M - $100M
715
$138M
$250M - $500M
714
$500M - $1B
714
$500M - $1B
713
$100M - $250M
713
$865M
$1B - $10B
712
$50M - $100M
712
$1B - $10B
712
$25M - $50M
711
$100M - $250M
710
$500M - $1B
710
$100M - $250M
710
$500M - $1B
710
$500M - $1B
709
$250M - $500M
708
$1M - $10M
708
$250M - $500M
707
$250M - $500M
706
$146M
$250M - $500M
706
$50M - $100M
706
$10M - $25M
706
$1B - $10B
706
$500M - $1B
704
$800M
$1B - $10B
704
$100M - $250M
704
$25M - $50M
704
$100M - $250M
704
$438M
$500M - $1B
702
$1M - $10M
702
About companies using Qualys
Why target companies using Qualys?
Qualys 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 ISsoft, Auditor of State - Ohio and EWE AG.
Which industries use Qualys the most?
Among companies using Qualys on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Insurance, Higher Education and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using Qualys located?
Companies using Qualys are most often headquartered in the United States, the United Kingdom, Canada, France, India and Germany.
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 Qualys?
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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