List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including Fives Machining Systems, Inc. - Cincinnati, Fully Managed by TELUS Business and Green Light Worldwide. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
180
$25M - $50M
180
$25M - $50M
180
$1B - $10B
180
$1M - $10M
180
$2M
$100M - $250M
180
$100M - $250M
180
$10M - $25M
179
$46M
$50M - $100M
179
$25M - $50M
179
$10M - $25M
179
$100M - $250M
179
$130M
$100M - $250M
179
$25M - $50M
178
$250M - $500M
178
$1M - $10M
178
$10M - $25M
178
$10M - $25M
178
$250M - $500M
178
$443M
$1M - $10M
178
$1M - $10M
178
$17M
$100M - $250M
177
$100M - $250M
177
$85M
$10M - $25M
177
$50M - $100M
177
$100M - $250M
177
$821M
$25M - $50M
177
$100M - $250M
176
$50M - $100M
176
$369M
$25M - $50M
176
$250M - $500M
176
$100M - $250M
176
$10M - $25M
176
$1M - $10M
176
$35M
$100M - $250M
176
$100M - $250M
176
$50M - $100M
176
$1M - $10M
176
$100M - $250M
176
$250M - $500M
175
$50M - $100M
175
$1M - $10M
175
$41M
$100M - $250M
175
$331K
$100M - $250M
175
$25M - $50M
175
$100M - $250M
175
$1M - $10M
175
$1M - $10M
175
$53M
$100M - $250M
174
$100M - $250M
174
$100M - $250M
174
$173M
$100M - $250M
174
$100M - $250M
174
$150M
$250M - $500M
173
$10M - $25M
173
$152M
$100M - $250M
173
$1B - $10B
172
$10M - $25M
172
$50M - $100M
172
$195M
$50M - $100M
172
$10M - $25M
172
$1B - $10B
172
$1M - $10M
172
$1.7M
$50M - $100M
172
$25M - $50M
172
$10M - $25M
171
$62M
$100M - $250M
171
$1B - $10B
171
$25M - $50M
171
$10M - $25M
171
$100M - $250M
171
$1M - $10M
171
$100M - $250M
171
$1M - $10M
171
$100M - $250M
171
$250M - $500M
171
$1M - $10M
170
$100M - $250M
170
$1M - $10M
170
$100M - $250M
170
$25M - $50M
170
$10M - $25M
170
$50M - $100M
170
$1M - $10M
169
$50M - $100M
169
$50M - $100M
169
$25M - $50M
169
$25M - $50M
169
$100M - $250M
169
$25M - $50M
169
$8M
$10M - $25M
169
$1M - $10M
168
<$1M
168
$100M - $250M
168
$50M - $100M
168
$10M - $25M
168
$250M - $500M
168
$498M
$100M - $250M
168
$50M - $100M
168
$25M - $50M
167
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 Fives Machining Systems, Inc. - Cincinnati, Fully Managed by TELUS Business and Green Light Worldwide.
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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