List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including EYP Mission Critical Facilities, Encode and IBB Consulting Group. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
50
$9.1M
<$1M
50
$50M - $100M
50
$1M - $10M
50
$25M - $50M
50
$1M - $10M
50
$10M - $25M
50
$100M - $250M
50
$25M - $50M
50
$1M - $10M
50
$10M - $25M
50
$250M - $500M
50
$1M - $10M
50
$10M - $25M
49
$1M - $10M
49
$25M - $50M
49
<$1M
49
$10M - $25M
49
$25M - $50M
49
$86M
$50M - $100M
49
$1M - $10M
49
$1M - $10M
49
$50M - $100M
49
$1M - $10M
49
<$1M
49
$24M
$25M - $50M
49
$25M - $50M
49
$25M - $50M
49
$50M - $100M
49
$1M - $10M
49
$10M - $25M
49
$10M - $25M
49
$25M - $50M
49
$25M - $50M
49
$10M - $25M
49
$1M - $10M
49
$31M
$25M - $50M
49
$10M - $25M
49
$3M
$25M - $50M
49
$1M - $10M
49
$1M - $10M
49
$10M - $25M
49
$50M - $100M
49
$1.5M
$1M - $10M
49
$1M - $10M
49
$1M - $10M
49
<$1M
49
$1M - $10M
49
$10M - $25M
49
$25M - $50M
49
$10M - $25M
49
$1M - $10M
48
$25M - $50M
48
$10M - $25M
48
$10M - $25M
48
$50M - $100M
48
<$1M
48
$50M - $100M
48
$250M - $500M
48
$10M
$50M - $100M
48
$1M - $10M
48
$10M - $25M
48
$1M - $10M
48
$10M - $25M
48
$25M - $50M
48
$500M - $1B
48
$25M - $50M
48
$1M - $10M
48
$25M - $50M
48
$250M - $500M
48
$25M - $50M
47
$3.3M
$10M - $25M
47
<$1M
47
$333M
$10M - $25M
47
$10M - $25M
47
$25M - $50M
47
$50M - $100M
47
$10M - $25M
47
$100M - $250M
47
$25M - $50M
47
$1M - $10M
47
$1M - $10M
47
$1B - $10B
47
$1M - $10M
47
$25M - $50M
47
$10M - $25M
47
$10M - $25M
47
$25M - $50M
47
$40M
$25M - $50M
46
$100M - $250M
46
$50M - $100M
46
$1M - $10M
46
46
$50M - $100M
46
$25M - $50M
46
$100M - $250M
46
$47M
$50M - $100M
46
$50M - $100M
46
$25M - $50M
46
$2.6M
$1M - $10M
46
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 EYP Mission Critical Facilities, Encode and IBB Consulting Group.
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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