List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Elitmind, Epic A Bell MTS Company and IGM | Informa Global Markets. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
114
$25M - $50M
114
$500M - $1B
114
$1M - $10M
114
$1M - $10M
114
$10M - $25M
114
$10M - $25M
114
$100M - $250M
114
$50M - $100M
114
$10M - $25M
114
$53M
$50M - $100M
114
<$1M
114
$10M - $25M
114
$100M - $250M
114
$50M - $100M
113
$1M - $10M
113
$100M - $250M
113
$14M
$100M - $250M
113
$50M - $100M
113
$50M - $100M
113
$25M - $50M
113
$10M - $25M
113
$100M - $250M
113
$65M
$50M - $100M
113
$10M - $25M
113
$37M
$50M - $100M
113
$250M - $500M
113
$50M - $100M
113
$25M - $50M
113
$25M - $50M
112
$50M - $100M
112
$50M - $100M
112
$50M - $100M
112
$50M - $100M
112
$25M - $50M
112
$50M - $100M
112
$250M - $500M
112
$1M - $10M
112
$50M - $100M
112
$500K
$50M - $100M
112
$50M - $100M
111
$10M - $25M
111
$10M - $25M
111
$50M - $100M
111
$25M - $50M
111
$1M - $10M
111
$10M - $25M
111
$10M - $25M
111
$50M - $100M
111
$297M
$100M - $250M
110
$100M - $250M
110
$10M - $25M
110
$10M - $25M
110
$1M - $10M
110
$1M - $10M
110
$100M - $250M
110
$29M
$250M - $500M
109
$100M - $250M
109
$1M - $10M
109
$1M - $10M
109
$3M
$25M - $50M
109
$50M - $100M
109
$50M - $100M
109
<$1M
109
$13M
$1M - $10M
109
$50M - $100M
109
$100M - $250M
109
$100M - $250M
109
$10M - $25M
109
$10M - $25M
109
$1M - $10M
108
$100M - $250M
108
$1.7M
$25M - $50M
108
$1M - $10M
108
$10M - $25M
108
$4M
$100M - $250M
108
<$1M
108
$100M - $250M
108
$10M - $25M
108
$50M - $100M
108
$500M - $1B
108
$25M - $50M
108
$1M - $10M
108
$100M - $250M
108
$10M - $25M
108
<$1M
108
$1M - $10M
108
$100M - $250M
108
$1M - $10M
107
$1M - $10M
107
$100M - $250M
107
$1M - $10M
107
$250M - $500M
107
$50M - $100M
107
$517M
$250M - $500M
107
$1M - $10M
107
$250M - $500M
107
$1M - $10M
107
$50M - $100M
107
$100M - $250M
107
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 Elitmind, Epic A Bell MTS Company and IGM | Informa Global Markets.
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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