List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Winfo Solutions, Applied Materials - Israel and CAE Parc Aviation. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
422
$25M - $50M
421
$100M - $250M
421
$50M - $100M
421
$50M - $100M
420
$250M - $500M
420
$350M
$1B - $10B
420
$1B - $10B
420
$1B - $10B
419
$50M - $100M
419
$1M - $10M
419
$25M - $50M
418
$96M
$250M - $500M
418
$100M - $250M
418
$500M - $1B
417
$25M - $50M
417
$250M - $500M
417
$250M - $500M
417
$1M - $10M
416
$250M - $500M
416
$1M - $10M
416
$500M - $1B
416
$25M - $50M
416
$250M - $500M
415
$50M - $100M
415
$250M - $500M
415
$250M - $500M
415
$50M - $100M
414
$100M - $250M
414
$50M - $100M
414
$250M - $500M
414
$25M - $50M
414
$1M - $10M
414
$5M
$100M - $250M
414
$50M - $100M
414
$325M
$500M - $1B
413
$10M - $25M
413
$10M - $25M
413
$66K
$50M - $100M
413
$100M - $250M
413
$25M - $50M
412
$100M - $250M
412
$100M - $250M
412
$50M - $100M
412
$500M - $1B
411
$10M - $25M
411
$100M - $250M
411
$50M - $100M
411
$25M - $50M
411
$264M
$500M - $1B
410
$250M - $500M
410
$250M - $500M
410
$99M
$50M - $100M
410
$100M - $250M
410
$25M - $50M
409
$250M - $500M
408
$100M - $250M
408
$100M - $250M
408
$10M - $25M
408
$100M - $250M
407
$500M - $1B
407
$25M - $50M
407
$6.2B
$100M - $250M
406
$250M - $500M
406
$10M - $25M
406
$25M - $50M
406
$100M - $250M
405
$1M - $10M
405
$7.9M
$50M - $100M
405
$500M - $1B
404
$250M - $500M
403
$100M - $250M
403
$10M - $25M
403
$141M
$50M - $100M
403
$1M - $10M
403
$250M - $500M
403
$75M
$25M - $50M
402
$50M - $100M
402
$250M - $500M
402
$1M - $10M
402
$85M
$250M - $500M
402
$100M - $250M
401
$10M - $25M
401
$50M - $100M
401
$268M
$250M - $500M
401
$50M - $100M
400
$50M - $100M
400
$100M - $250M
400
$250M - $500M
400
$500M - $1B
400
$250M - $500M
400
$25M - $50M
400
$10M - $25M
399
$500M - $1B
399
$100M - $250M
399
$500M - $1B
399
$500M - $1B
399
$100M - $250M
399
$500M - $1B
398
$50M - $100M
398
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 Winfo Solutions, Applied Materials - Israel and CAE Parc Aviation.
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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