List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Scripps Mercy Hospital, Bionic and apexanalytix. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
529
$50M - $100M
528
$500M - $1B
528
$1B - $10B
527
$250M - $500M
527
$50M - $100M
527
$100M - $250M
526
$25M - $50M
526
$500M - $1B
526
$500M - $1B
526
$100M - $250M
525
$1.5B
$250M - $500M
525
$202M
$100M - $250M
524
$1.1B
$25M - $50M
524
$100M - $250M
524
$100M - $250M
524
$10M - $25M
523
$500M - $1B
523
$50M - $100M
522
$25M - $50M
522
$782M
$50M - $100M
522
$25M - $50M
522
$100M - $250M
521
$100M - $250M
521
$7M
$500M - $1B
521
$250M - $500M
520
$250M - $500M
520
$100M - $250M
520
$50M - $100M
519
$100M - $250M
519
$1M - $10M
519
$250M - $500M
519
$1M - $10M
519
$250M - $500M
519
$25M - $50M
519
$25M - $50M
519
$26M
$250M - $500M
518
$250M - $500M
518
$100M - $250M
518
$1M - $10M
518
$25M - $50M
518
$500M - $1B
517
$57M
$100M - $250M
516
$10M - $25M
516
$2B
$1M - $10M
516
$100M - $250M
516
$50M - $100M
515
$100M - $250M
515
$500M - $1B
515
$25M - $50M
515
$250M - $500M
515
$500M - $1B
514
$250M - $500M
514
$250M - $500M
514
$1B - $10B
513
$25M - $50M
513
$100M - $250M
513
$25M - $50M
512
$166M
$100M - $250M
512
$693M
$100M - $250M
512
$1B - $10B
511
$1.5M
$500M - $1B
511
$25M - $50M
511
$100M - $250M
511
$25M - $50M
511
$100M - $250M
511
$100M - $250M
510
$50M - $100M
510
$100M - $250M
509
$100M - $250M
509
$533M
$100M - $250M
509
$1B - $10B
508
$25M - $50M
508
$100M - $250M
508
$500M - $1B
508
$250M - $500M
508
$100M - $250M
508
$331K
$25M - $50M
508
$368M
$500M - $1B
508
$500M - $1B
507
$250M - $500M
507
$50M - $100M
507
$250M - $500M
507
$100M - $250M
507
$100M - $250M
506
$25M
$250M - $500M
506
$25M - $50M
506
$265M
$50M - $100M
506
$50M - $100M
506
$1M - $10M
505
$50M - $100M
503
$1M - $10M
503
$100M - $250M
503
$1B - $10B
503
$50M - $100M
502
$1.2B
$100M - $250M
502
$1M - $10M
501
$100M - $250M
501
<$1M
501
<$1M
501
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 Scripps Mercy Hospital, Bionic and apexanalytix.
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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