List of Companies Using Mailgun
Prospecting companies using Mailgun? Here they are, biggest first, including PEN America, PenLink Cobwebs and PropLogix. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
158
$12M
$1M - $10M
158
$100M - $250M
158
$50M - $100M
158
$28M
$100M - $250M
158
$6.3M
$500M - $1B
158
$10M - $25M
158
$50M - $100M
158
$25M - $50M
158
$50M - $100M
158
$10M - $25M
158
$1M - $10M
158
$10M - $25M
158
$50M - $100M
157
$50M - $100M
157
$1M - $10M
157
$1M - $10M
157
$50M - $100M
157
$10M - $25M
157
$100M - $250M
157
$250M - $500M
157
$100M - $250M
157
$287M
$1M - $10M
157
$50M - $100M
157
$100M - $250M
157
$1M - $10M
157
$10M - $25M
157
$25M - $50M
157
$1M - $10M
157
$25M - $50M
157
$364M
$100M - $250M
157
$10M - $25M
157
$100M - $250M
157
$1M - $10M
157
$25M - $50M
157
$25M - $50M
157
$50M - $100M
157
$1M - $10M
157
$1M - $10M
157
$90M
$10M - $25M
157
$10M - $25M
157
$100M - $250M
157
$100M - $250M
157
$100M - $250M
157
$25M - $50M
157
$50M - $100M
157
$1M - $10M
157
$50M - $100M
157
$100M - $250M
156
$10M - $25M
156
$1M - $10M
156
$1M - $10M
156
$1M - $10M
156
$25M - $50M
156
$7.2M
$250M - $500M
156
$1M - $10M
156
$100M - $250M
156
$1M - $10M
156
$1.8M
$10M - $25M
156
$50M - $100M
156
$1B - $10B
156
$100M - $250M
156
$100M - $250M
156
$50M - $100M
156
$50M - $100M
156
$51M
$100M - $250M
156
$100M - $250M
156
$25M - $50M
156
<$1M
156
$100M - $250M
156
$50M - $100M
156
$100M - $250M
156
$15M
$10M - $25M
156
$537K
$50M - $100M
156
$250M - $500M
156
$250M - $500M
156
$250M - $500M
156
$50M - $100M
156
$100M - $250M
156
$1B - $10B
156
$50M - $100M
156
$1M - $10M
156
$640K
$250M - $500M
155
$10M - $25M
155
$1M - $10M
155
$10M - $25M
155
$1M - $10M
155
$50M - $100M
155
$1M - $10M
155
$1M - $10M
155
$10M - $25M
155
<$1M
155
$100K
$50M - $100M
155
$50M - $100M
155
$500M - $1B
155
$250M - $500M
155
$50M - $100M
155
$10M - $25M
155
$50M - $100M
155
$100M - $250M
155
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 PEN America, PenLink Cobwebs and PropLogix.
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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