List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Infogix, Inc. (now Precisely), Nevada Division of Child and Family Services and Polish & Slavic Federal Credit Union. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
174
$10M - $25M
174
$50M - $100M
174
$10M - $25M
174
$28M
$10M - $25M
174
$10M - $25M
173
$25M - $50M
173
$10M - $25M
173
$1M - $10M
173
$50M - $100M
173
$1M - $10M
173
$1M - $10M
173
$100M - $250M
173
$390M
$100M - $250M
173
$186M
$1M - $10M
173
$1M - $10M
173
$250M - $500M
173
$50M - $100M
173
$25M - $50M
172
$250M - $500M
172
$10M - $25M
172
$25M - $50M
172
$100M - $250M
172
$10M - $25M
172
$25M - $50M
172
$100M - $250M
171
$68M
$1B - $10B
171
$1M - $10M
171
$25M - $50M
171
$100M - $250M
171
$60M
$50M - $100M
171
$10M - $25M
171
$1M - $10M
170
$100M - $250M
170
$10M - $25M
170
$10M - $25M
170
$100M - $250M
170
$500M - $1B
170
$1M - $10M
170
$100M - $250M
170
$26M
$10M - $25M
170
$152M
$100M - $250M
170
$100M - $250M
170
$250M - $500M
170
$100M - $250M
169
$88M
$10M - $25M
169
$100M - $250M
169
$100M - $250M
169
$10M - $25M
169
$14M
$50M - $100M
169
$100M - $250M
169
$100M - $250M
169
$100M - $250M
169
$25M - $50M
169
$8M
$10M - $25M
169
$25M - $50M
169
$250M - $500M
169
$1M - $10M
168
$25M - $50M
168
$50M - $100M
168
$25M - $50M
168
$25M - $50M
168
$50M - $100M
168
$10M - $25M
168
$10M - $25M
168
$50M - $100M
168
$25M - $50M
167
$100M - $250M
167
$50M - $100M
167
$141M
$50M - $100M
167
$10M - $25M
167
$100M - $250M
167
$25M - $50M
167
$250M - $500M
167
$25M - $50M
167
$25M - $50M
167
$50M - $100M
166
$250M - $500M
166
$25M - $50M
166
$1M - $10M
166
$498M
$100M - $250M
166
$10M - $25M
166
$250M - $500M
166
$10M - $25M
166
$25M - $50M
166
$910M
$250M - $500M
165
$10M - $25M
165
$4.2M
$100M - $250M
165
$50M - $100M
165
$1M - $10M
165
$1M - $10M
165
$10M - $25M
165
$100M - $250M
165
$25M - $50M
165
$10M - $25M
164
$50M - $100M
164
$50M - $100M
164
$10M - $25M
164
$50M - $100M
164
$50M - $100M
164
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 Infogix, Inc. (now Precisely), Nevada Division of Child and Family Services and Polish & Slavic Federal Credit Union.
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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