List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including Closer Consulting, PerkinElmer Optoelectronics and University of Minnesota Morris. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
395
$100M - $250M
395
$10M - $25M
395
$201M
$250M - $500M
394
$25M - $50M
393
$1M - $10M
393
$10M - $25M
393
$50M - $100M
393
$50M - $100M
393
$250M - $500M
392
$10M
$50M - $100M
392
$100M - $250M
391
$500M - $1B
391
$115M
$100M - $250M
391
$266M
$500M - $1B
391
$250K
$250M - $500M
391
$100M - $250M
390
$250M - $500M
390
$250M - $500M
389
$100M - $250M
389
$100M - $250M
388
$50M - $100M
388
$255M
$250M - $500M
388
$250M - $500M
388
$10M - $25M
388
$10M - $25M
388
$50M - $100M
387
$250M - $500M
387
$10M - $25M
387
$1M - $10M
387
$250M - $500M
387
$500M - $1B
386
$10M - $25M
386
$25M - $50M
385
$50M - $100M
385
$1M - $10M
384
$25M - $50M
383
$250M - $500M
383
$68M
$1M - $10M
383
$398M
$250M - $500M
383
$250M - $500M
382
$900M
$100M - $250M
382
$500M - $1B
382
$100M - $250M
382
$10M - $25M
382
$1M - $10M
382
$25M - $50M
381
$110M
$500M - $1B
381
$10M - $25M
381
$330M
$50M - $100M
381
$25M - $50M
380
$100M - $250M
380
$50M - $100M
380
$250M - $500M
379
$25M - $50M
379
$10M - $25M
378
$25M - $50M
377
$25M - $50M
377
$50M - $100M
377
$250M - $500M
377
$50M - $100M
376
$281M
$100M - $250M
376
$428M
$250M - $500M
376
$10M - $25M
376
$50M - $100M
376
$500M - $1B
376
$662M
$50M - $100M
376
$25M - $50M
375
$50M - $100M
375
$500M - $1B
375
$100M - $250M
374
$500M - $1B
374
$250M - $500M
373
$2.7B
$100M - $250M
373
$10M - $25M
373
$250M - $500M
373
$250M - $500M
373
$50M - $100M
373
$1B - $10B
373
$500M - $1B
373
$50M - $100M
372
$1M - $10M
372
$100M - $250M
372
$10M - $25M
372
$10M - $25M
372
$250M - $500M
371
$110M
$100M - $250M
371
$100M - $250M
371
$250M - $500M
371
$50M - $100M
371
$250M - $500M
370
$100M - $250M
370
$100M - $250M
370
$1M - $10M
370
$100M - $250M
370
$200M
$1B - $10B
369
$250M - $500M
369
$25M - $50M
369
$25M - $50M
369
$500M - $1B
369
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 Closer Consulting, PerkinElmer Optoelectronics and University of Minnesota Morris.
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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