List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including Core Services, Global InfoTek, Inc. and ISA Cybersecurity. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
68
$50M - $100M
68
$10M - $25M
68
$23M
$10M - $25M
68
$1M - $10M
68
$54M
$25M - $50M
68
$100M - $250M
68
$1M - $10M
68
$8.6M
$1M - $10M
68
$1M - $10M
67
$10M - $25M
67
$50M - $100M
67
$1M - $10M
67
$1M - $10M
67
$50M - $100M
67
$1M - $10M
67
$1M - $10M
67
$100M
$1M - $10M
67
$25M - $50M
67
$10M - $25M
67
$50M - $100M
67
$25M - $50M
67
$93M
$50M - $100M
67
$50M - $100M
66
$49M
$25M - $50M
66
$500M - $1B
66
$25M - $50M
66
$25M - $50M
66
$25M - $50M
66
$100M - $250M
66
$37M
$1M - $10M
66
$50M - $100M
66
$20M
$50M - $100M
66
$14M
$250M - $500M
66
$10M - $25M
66
$1M - $10M
66
$1M - $10M
66
$10M - $25M
66
$25M - $50M
66
$25M - $50M
66
$25M - $50M
66
$250M - $500M
66
$50M - $100M
66
$25M - $50M
66
<$1M
65
$25M
$50M - $100M
65
$25M - $50M
65
$50M - $100M
65
$10M - $25M
65
$1M - $10M
65
$25M - $50M
65
$25M - $50M
65
$25M - $50M
65
$25M - $50M
65
$50M - $100M
65
$1M - $10M
65
$25M - $50M
65
<$1M
65
$1M - $10M
65
$50M - $100M
64
$25M - $50M
64
$10M - $25M
64
$50M - $100M
64
$50M - $100M
64
$10M - $25M
64
$25M - $50M
64
$250K
$50M - $100M
64
$1.3B
$100M - $250M
64
$10M - $25M
64
$10M - $25M
64
$25M - $50M
64
$25M - $50M
64
$1M - $10M
64
$50M - $100M
63
$25M - $50M
63
$1M - $10M
63
$50M - $100M
63
$1M - $10M
63
$25M - $50M
63
$50M - $100M
63
$1M - $10M
63
$1M - $10M
63
$25M - $50M
63
$1M - $10M
63
$10M - $25M
63
$100M - $250M
63
$250M - $500M
63
$1M - $10M
63
$50M - $100M
63
<$1M
63
$25M - $50M
63
$25M - $50M
63
$27M
$25M - $50M
63
$10M - $25M
63
$50M - $100M
62
$2.4M
$25M - $50M
62
$10M - $25M
62
<$1M
62
$100M - $250M
62
$22M
<$1M
62
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 Core Services, Global InfoTek, Inc. and ISA Cybersecurity.
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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