List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Latino Outdoors, MCO (Mega Corporate Operations) and Merkle Aotearoa. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
38
$50M - $100M
38
$1M - $10M
38
$25M - $50M
38
$25M - $50M
38
$10M - $25M
38
$25M - $50M
38
$50M - $100M
38
$25M - $50M
38
$10M - $25M
38
$25M - $50M
38
$100M - $250M
38
$100M - $250M
38
$1M - $10M
38
$1M - $10M
38
$25M - $50M
38
$25M - $50M
38
$50M - $100M
37
$10M - $25M
37
$1M - $10M
37
$10M - $25M
37
$25M - $50M
37
$25M - $50M
37
$250M - $500M
37
$50M - $100M
37
$1M - $10M
37
$25M - $50M
37
$25M - $50M
37
$1M - $10M
37
$50M - $100M
37
$25M - $50M
37
$25M - $50M
37
$1M - $10M
37
$1M - $10M
37
$25M - $50M
37
$1M - $10M
37
<$1M
37
$25M - $50M
37
$1M - $10M
37
$25M - $50M
37
$10M - $25M
37
$10M - $25M
37
$10M - $25M
37
$10M - $25M
37
$25M - $50M
37
$1M - $10M
37
$25M - $50M
37
$25M - $50M
37
$25M - $50M
37
$1M - $10M
37
$44M
$10M - $25M
37
$100M - $250M
37
$10M - $25M
37
$10M - $25M
37
$10M - $25M
36
$10M - $25M
36
$10M - $25M
36
$10M - $25M
36
$10M - $25M
36
$15M
$1M - $10M
36
$1M - $10M
36
$25M - $50M
36
<$1M
36
$100M - $250M
36
<$1M
36
<$1M
36
$25M - $50M
36
$25M - $50M
36
$27M
$25M - $50M
36
$107M
$25M - $50M
36
$50M - $100M
36
$10M - $25M
36
$25M - $50M
36
$10M - $25M
36
$25M - $50M
36
$1M - $10M
36
$72M
$25M - $50M
36
$10M - $25M
36
$25M - $50M
35
$154M
$25M - $50M
35
$25M - $50M
35
$1M - $10M
35
$25M - $50M
35
$300K
$50M - $100M
35
$1M - $10M
35
$1M - $10M
35
$7.5M
$50M - $100M
35
$1.6B
$10M - $25M
35
$1M - $10M
35
$1M - $10M
35
$40M
$1M - $10M
35
$1M - $10M
35
<$1M
35
$10M - $25M
35
$100M - $250M
35
$10M - $25M
35
$63M
$10M - $25M
35
$10M - $25M
35
$50M - $100M
35
$1M - $10M
35
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 Latino Outdoors, MCO (Mega Corporate Operations) and Merkle Aotearoa.
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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