List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including EDF Trading, Doubtnut and Ryder Transportation. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
960
$52M
$10M - $25M
958
$500M - $1B
958
$1B - $10B
958
$50M - $100M
956
$1M - $10M
956
$1B - $10B
955
$100M - $250M
955
$250M - $500M
954
$250M - $500M
954
$371M
$250M - $500M
953
$6M
$10B+
950
$1M - $10M
950
$1B - $10B
950
$500M - $1B
949
$1.8M
$1B - $10B
949
$10M
$50M - $100M
948
$1B - $10B
947
$316M
$1B - $10B
947
$100M - $250M
947
$100M - $250M
945
$500M - $1B
944
$500M - $1B
943
$7.5M
$500M - $1B
942
$250M - $500M
942
$500M - $1B
941
$121M
$500M - $1B
939
$82M
$10B+
938
$1B - $10B
938
$50M - $100M
937
$3B
$1B - $10B
937
$25M - $50M
937
$500M - $1B
936
$1B - $10B
936
$315M
$100M - $250M
934
$250M - $500M
934
$1M - $10M
934
$250M - $500M
934
$500M - $1B
933
$1M - $10M
930
$250M - $500M
930
$250M - $500M
928
$100M - $250M
928
$1B - $10B
927
$1M - $10M
924
$100M - $250M
924
$50M - $100M
923
$500M - $1B
921
$100M - $250M
921
$1B
$50M - $100M
919
$50M - $100M
919
$1.3B
$1B - $10B
914
$1.8B
$1B - $10B
914
$250M - $500M
914
$250M - $500M
913
$10B+
912
$100M - $250M
910
$12M
$250M - $500M
910
$500M - $1B
910
$250M - $500M
909
$84M
$500M - $1B
908
$25M - $50M
908
$777M
$10B+
908
$1B - $10B
908
$10B+
907
$10B+
907
$1M - $10M
907
$25M - $50M
907
$25M - $50M
907
$100M - $250M
906
$100M - $250M
905
$500M - $1B
904
$50M - $100M
904
$250M - $500M
904
$5M
$50M - $100M
903
$50M - $100M
903
$100M - $250M
903
$500M - $1B
902
$1B - $10B
902
$84M
$500M - $1B
902
$50M - $100M
901
$89M
$1B - $10B
900
$1B - $10B
900
$250M - $500M
900
$316M
$1B - $10B
900
$47M
$250M - $500M
900
$1B - $10B
899
$500M - $1B
896
$1B - $10B
896
$10B+
895
$250M - $500M
894
$50M - $100M
892
$1M - $10M
891
$1M - $10M
890
$50M - $100M
890
$1B - $10B
890
$1B - $10B
886
$1M - $10M
886
$500M - $1B
885
$10M - $25M
884
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 EDF Trading, Doubtnut and Ryder Transportation.
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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