List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Emory School of Law, MassHousing and PT Berlian Sistem Informasi. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
435
$18M
$100M - $250M
435
$50M - $100M
435
$500M - $1B
434
$1M - $10M
434
$1B - $10B
434
$1M - $10M
434
$10M - $25M
434
$250M - $500M
433
$1M - $10M
433
$25M - $50M
433
$25M - $50M
433
$250M - $500M
433
$350M
$1B - $10B
432
$10M - $25M
432
$25M - $50M
432
$10M - $25M
432
$500M - $1B
431
$100M - $250M
430
$1B - $10B
430
$100M - $250M
430
$50M - $100M
430
$1M
$50M - $100M
430
$1M - $10M
429
$50M - $100M
429
$25M - $50M
429
$250M - $500M
428
$500M - $1B
428
$25M - $50M
428
$10M - $25M
428
$500M - $1B
428
$250M - $500M
427
$100M - $250M
427
$1B - $10B
427
$500M - $1B
427
$25M - $50M
427
$50M - $100M
427
$50M - $100M
427
$10M - $25M
426
$10M - $25M
426
$500M - $1B
425
$250M - $500M
425
$100M - $250M
425
$25M - $50M
424
$1.6M
$50M - $100M
424
$54K
$500M - $1B
424
$158M
$250M - $500M
424
$10M - $25M
423
$1.8B
$100M - $250M
423
$250M - $500M
422
$100M - $250M
422
$1B - $10B
421
$250M - $500M
420
$25M - $50M
420
$25M - $50M
419
$1M - $10M
419
$250M - $500M
418
$250M - $500M
418
$50M - $100M
417
$250M - $500M
417
$50M - $100M
417
$25M - $50M
417
$250M - $500M
417
$159M
$100M - $250M
416
$250M - $500M
416
$25M - $50M
416
$50M - $100M
416
$50M - $100M
415
$250M - $500M
415
$500M - $1B
415
$50M - $100M
415
$100M - $250M
414
$10M - $25M
414
$10M - $25M
414
$50M - $100M
414
$1M - $10M
414
$25M - $50M
414
$100M - $250M
414
$325M
$500M - $1B
413
$10M - $25M
413
$1B - $10B
413
$95M
$100M - $250M
412
$50M - $100M
412
$10M - $25M
412
$96M
$250M - $500M
412
$1M - $10M
412
$100M - $250M
412
$100M - $250M
411
$100M - $250M
411
$250M - $500M
411
$1M - $10M
411
$10M - $25M
411
$1M - $10M
411
$100M - $250M
410
$100M - $250M
410
$500M - $1B
409
$100M - $250M
409
$50M - $100M
409
$99M
$50M - $100M
409
$264M
$500M - $1B
408
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 Emory School of Law, MassHousing and PT Berlian Sistem Informasi.
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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