List of Companies Using Mailgun
Prospecting companies using Mailgun? Here they are, biggest first, including Knightec, Lodgify and Outbrain. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
345
$37M
$25M - $50M
345
$1B
$100M - $250M
345
$1B - $10B
345
$50M - $100M
345
$100M - $250M
345
$60M
$50M - $100M
345
$10M - $25M
344
$10M - $25M
344
$100M - $250M
344
$250M - $500M
344
$250M - $500M
344
$1M - $10M
344
$50M - $100M
344
$25M - $50M
344
$25M - $50M
344
$232M
$100M - $250M
343
$25M - $50M
343
$1M - $10M
343
$10M - $25M
343
$250M - $500M
343
$500M - $1B
343
$100M - $250M
343
$1M - $10M
343
$10M - $25M
343
$335M
$500M - $1B
342
$25M - $50M
342
$500M - $1B
342
$10M - $25M
342
$1M - $10M
342
$50M - $100M
342
$900K
$250M - $500M
342
$50M - $100M
342
$10K
$250M - $500M
341
$25M - $50M
341
$1M - $10M
341
$10M - $25M
341
$50M - $100M
341
$10M - $25M
341
$50M - $100M
341
$423K
$100M - $250M
341
$10M - $25M
341
$10M - $25M
341
$1B - $10B
341
$48M
$250M - $500M
341
$100M - $250M
340
$1M - $10M
340
$1M - $10M
340
$250M - $500M
340
$100M
$250M - $500M
340
$250M - $500M
340
$25M - $50M
340
$12M
$10M - $25M
340
$100M - $250M
340
$50M - $100M
339
$250M - $500M
339
$500M - $1B
339
$3.7M
$1M - $10M
339
$553K
$1B - $10B
339
$500M - $1B
339
$100M - $250M
339
$100M - $250M
339
$50M - $100M
339
$25M - $50M
338
<$1M
338
$25M - $50M
338
<$1M
338
$500M - $1B
338
$100M - $250M
338
$1B
$250M - $500M
338
$25M - $50M
337
$10M - $25M
337
$100M - $250M
337
$100M - $250M
337
$25M
$10M - $25M
337
$50M - $100M
337
$100M - $250M
337
$1M - $10M
337
$250M - $500M
336
$50M - $100M
336
$250M - $500M
336
$110M
$100M - $250M
336
<$1M
336
$500M - $1B
336
$1M - $10M
336
$50M - $100M
335
$250M - $500M
335
$25M - $50M
335
$1M - $10M
334
$250M - $500M
334
$50M - $100M
334
$500M - $1B
334
$250M - $500M
334
$250M - $500M
334
$25M - $50M
334
$1M - $10M
334
$1M - $10M
334
<$1M
334
$1M - $10M
333
$25M - $50M
333
About companies using Mailgun
Why target companies using Mailgun?
Mailgun is a Marketing automation & email technology. Companies running these platforms are active buyers of martech, data, agencies and content. Companies on the list include Knightec, Lodgify and Outbrain.
Which industries use Mailgun the most?
Among companies using Mailgun on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Insurance, Real Estate and Retail. Narrow your list to the industry you sell into from there.
Where are companies using Mailgun located?
Companies using Mailgun are most often headquartered in the United States, the United Kingdom, Canada, Australia, France and Germany.
What other Marketing automation & email technologies do companies use?
Prospecting the wider Marketing automation & email space? Related technologies with their own company lists include Mailchimp, Vimeo, Pardot and Amazon Simple Email Service.
How do I reach decision makers at companies using Mailgun?
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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Top companies by employee count
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