List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Smart DCC, Virginia Department of Environmental Quality and Mother Parkers Tea & Coffee. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
687
$100M - $250M
687
$100M - $250M
686
$250M - $500M
685
$10M - $25M
685
$25M - $50M
683
$500M - $1B
683
$1B - $10B
683
$500M - $1B
683
$500M - $1B
683
$50M - $100M
682
$50M - $100M
682
$10M - $25M
682
$2.5M
$1M - $10M
682
$1B - $10B
681
$1B - $10B
680
$50M - $100M
680
$50M - $100M
679
$25M - $50M
679
$25M - $50M
679
$1.5B
$250M - $500M
678
$791K
$100M - $250M
677
$25M - $50M
676
$500M - $1B
676
$353M
$500M - $1B
675
$500M - $1B
675
$250M - $500M
674
$250M - $500M
674
$100M - $250M
674
$500M - $1B
672
$250M - $500M
672
$100M - $250M
671
$17M
$10M - $25M
671
$100M - $250M
671
$100M - $250M
671
$500M - $1B
669
$100M - $250M
669
$250M - $500M
668
$50M - $100M
667
$250M - $500M
665
$500M - $1B
665
$10M
$500M - $1B
665
$10M - $25M
664
$100M - $250M
664
$1B - $10B
663
$10M - $25M
663
$593M
$25M - $50M
663
$25M - $50M
662
$100M - $250M
662
$10B+
662
$250M - $500M
661
$50M - $100M
660
$1B - $10B
659
$250M - $500M
659
$100M - $250M
659
$1B - $10B
659
$1M - $10M
659
$25M - $50M
657
$10M - $25M
657
$325M
$25M - $50M
657
$169M
$25M - $50M
657
$500M - $1B
656
$100M - $250M
656
$250M - $500M
655
$250M - $500M
655
$250M - $500M
654
$250M - $500M
654
$500M - $1B
654
$50M - $100M
653
$250M - $500M
653
$25M - $50M
652
$500M - $1B
652
$80M
$500M - $1B
652
$100M - $250M
651
$168M
$250M - $500M
651
$78M
$500M - $1B
651
$50M - $100M
651
$10M - $25M
651
$250M - $500M
650
$1B - $10B
650
$10M - $25M
649
$100M - $250M
648
$500M - $1B
648
$100M - $250M
648
$250M - $500M
648
$250M - $500M
647
$250M - $500M
647
$500M - $1B
647
$100M - $250M
647
$250M - $500M
646
$85K
$100M - $250M
646
$100M - $250M
646
$250M - $500M
646
$250M - $500M
645
$10M - $25M
645
$500M - $1B
645
$10M - $25M
645
$100M - $250M
644
$10M - $25M
644
$250M - $500M
643
About companies using Microsoft Defender
Why target companies using Microsoft Defender?
Microsoft Defender 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 Smart DCC, Virginia Department of Environmental Quality and Mother Parkers Tea & Coffee.
Which industries use Microsoft Defender the most?
Among companies using Microsoft Defender 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 Microsoft Defender located?
Companies using Microsoft Defender are most often headquartered in the United States, the United Kingdom, Canada, Germany, Australia and France.
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 Microsoft Defender?
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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