List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including World Technical Services Inc., Zf Gainesville LLC and Action Automatic Door & Gate, a division of DuraServ Corp. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
35
$50M - $100M
35
$10M - $25M
34
$100M - $250M
34
$1M - $10M
34
$25M - $50M
34
$25M - $50M
34
$1M - $10M
34
$25M - $50M
34
$10M - $25M
34
$10M - $25M
34
$25M - $50M
34
$1M - $10M
34
$25M - $50M
34
$1M - $10M
34
$98M
$25M - $50M
34
$25M - $50M
34
$1M - $10M
34
$1M - $10M
34
$8.4M
$500M - $1B
34
$1M - $10M
34
<$1M
34
$1M - $10M
34
$25M - $50M
34
$1M - $10M
34
$1M - $10M
34
$1M - $10M
34
$10M - $25M
34
$3.3M
$1M - $10M
34
$10M - $25M
34
$25M - $50M
33
$10M - $25M
33
$25M - $50M
33
$10M - $25M
33
$25M - $50M
33
$25M - $50M
33
<$1M
33
$25M - $50M
33
$1M - $10M
33
$50M - $100M
33
$50M - $100M
33
$1M - $10M
33
$10M - $25M
33
$25M - $50M
33
$1M - $10M
33
$1M - $10M
33
$25M - $50M
33
$25M - $50M
33
$25M - $50M
33
$10M - $25M
33
$10M - $25M
33
$25M - $50M
33
$25M - $50M
33
$50M - $100M
33
$10M - $25M
33
$10M - $25M
33
$25M - $50M
33
$25M - $50M
33
$10M - $25M
32
$23M
<$1M
32
$10M - $25M
32
$10M - $25M
32
$10M - $25M
32
$1M - $10M
32
$28K
$1M - $10M
32
$1M - $10M
32
$10M - $25M
32
$10M - $25M
32
$1M - $10M
32
$36M
$50M - $100M
32
$1M - $10M
32
$1M - $10M
32
$1M - $10M
32
$10M - $25M
32
$10M - $25M
32
<$1M
32
$1M - $10M
32
$1M - $10M
32
$25M - $50M
32
$50M - $100M
31
$25M - $50M
31
$1M - $10M
31
$10M - $25M
31
$10M - $25M
31
$10M - $25M
31
$10M - $25M
31
$25M - $50M
31
$25M - $50M
31
$50M - $100M
31
$250K
$250M - $500M
31
$25M
$1M - $10M
31
$1M - $10M
31
$10M - $25M
31
$50M - $100M
31
$10M - $25M
31
$10M - $25M
31
$10M - $25M
31
$50M - $100M
31
$1M - $10M
31
$10M - $25M
31
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 World Technical Services Inc., Zf Gainesville LLC and Action Automatic Door & Gate, a division of DuraServ Corp.
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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