List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including Ecolab Life Sciences, K-LAGAN and KIR S.A.. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
259
$10M - $25M
259
$25M - $50M
259
$43M
$100M - $250M
259
$250M - $500M
259
$100M - $250M
258
$50M - $100M
258
$1M - $10M
258
$50M - $100M
258
$10M - $25M
258
$132M
$1B - $10B
258
$33M
$25M - $50M
258
$25M - $50M
257
$10M - $25M
257
$1M - $10M
256
$500M
$250M - $500M
256
$250M - $500M
256
$2.5M
$250M - $500M
256
$100M - $250M
255
$10M - $25M
255
$100M - $250M
255
$250M - $500M
255
$1M - $10M
255
$25M - $50M
254
$1B - $10B
254
$1M - $10M
254
$1M - $10M
254
$25M - $50M
254
$250M - $500M
254
$250M - $500M
254
$10M - $25M
253
$25M - $50M
253
$10M - $25M
253
$12M
$10M - $25M
253
$100M - $250M
252
$1M - $10M
252
$250M - $500M
252
$50M - $100M
252
$50M - $100M
252
$156M
$100M - $250M
252
$50M - $100M
252
$100M - $250M
251
$154M
$500M - $1B
251
$60M
$10M - $25M
251
$500M - $1B
251
$3M
$100M - $250M
251
$1B - $10B
250
$100M - $250M
250
$25M - $50M
250
$50M - $100M
250
$1M - $10M
250
$100M - $250M
249
$10M - $25M
249
$25M - $50M
249
$1M - $10M
249
$155M
$10M - $25M
249
$10M - $25M
249
$250M - $500M
248
$100M - $250M
248
$822M
$100M - $250M
248
$10M - $25M
248
$100M - $250M
248
$50M - $100M
248
$10M - $25M
247
$500M - $1B
247
$25M - $50M
247
$50M - $100M
247
$25M - $50M
247
$50M - $100M
247
$32M
$500M - $1B
247
$50M - $100M
246
$1B - $10B
246
$1M - $10M
246
$500M - $1B
246
$200M
$250M - $500M
246
$50M - $100M
245
$10M - $25M
245
$400M
$250M - $500M
245
$1B - $10B
245
$10M - $25M
244
$250M - $500M
244
$50M - $100M
244
$25M - $50M
244
$10M - $25M
243
$25M - $50M
243
$300M
$25M - $50M
243
$8.2M
$25M - $50M
243
$50M - $100M
243
<$1M
243
$50M - $100M
243
$10M - $25M
243
$50M - $100M
242
$25M - $50M
242
$100M - $250M
242
$50M - $100M
242
$100M - $250M
242
$25M - $50M
242
$135M
$25M - $50M
242
$250M - $500M
242
$100M - $250M
242
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 Ecolab Life Sciences, K-LAGAN and KIR S.A..
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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Top companies by employee count
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