List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including WuXi AppTec China, Advansys and Causeway Technologies. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
513
$25M - $50M
512
$166M
$100M - $250M
512
$1B - $10B
512
$1B - $10B
512
$12M
$250M - $500M
511
$2.1M
$250M - $500M
511
$25M - $50M
511
$100M - $250M
511
$329M
$250M - $500M
510
$100M - $250M
509
$251M
$500M - $1B
509
$250M - $500M
507
$25M
$250M - $500M
506
$25M - $50M
506
$50M - $100M
506
$25M - $50M
505
$100M - $250M
505
$50M - $100M
503
$25M - $50M
503
$1B - $10B
503
$500M - $1B
502
$250M - $500M
502
$100M - $250M
501
$1M - $10M
501
$50M - $100M
501
$100M - $250M
501
<$1M
501
$10M - $25M
501
$1M - $10M
501
501
$10M - $25M
501
$250M - $500M
501
$100M - $250M
501
$1M - $10M
501
<$1M
501
$250M - $500M
501
<$1M
501
$10M - $25M
501
$25M - $50M
501
$56M
$100M - $250M
501
$1M - $10M
501
$25M - $50M
501
<$1M
501
$25M - $50M
501
$1M - $10M
501
<$1M
501
<$1M
501
$1M - $10M
501
$1M - $10M
501
$1M - $10M
501
$1M - $10M
501
$25M - $50M
501
<$1M
501
$1M - $10M
501
<$1M
501
$10M - $25M
501
$25M - $50M
501
$1M - $10M
501
<$1M
501
$50M - $100M
501
$50M - $100M
501
$10M - $25M
501
$1M - $10M
501
$9M
<$1M
501
<$1M
501
<$1M
501
$1M - $10M
501
<$1M
501
$50M - $100M
501
$1B - $10B
501
$25M
$100M - $250M
501
$1M - $10M
501
$232M
$1M - $10M
501
$10M - $25M
501
$50M - $100M
501
<$1M
501
$10M - $25M
501
$10M - $25M
501
$36M
$1M - $10M
501
501
$10M - $25M
501
<$1M
501
$25M - $50M
501
$50M - $100M
501
$250M - $500M
501
$50M - $100M
500
$25M - $50M
499
$100M - $250M
499
$5.7M
$1B - $10B
499
$100M - $250M
498
$1M - $10M
498
$232M
$1B - $10B
497
$250M - $500M
497
$112M
$100M - $250M
496
$50M - $100M
496
$148M
$10M - $25M
496
$50M - $100M
496
$25M - $50M
496
$25M - $50M
495
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 WuXi AppTec China, Advansys and Causeway Technologies.
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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