List of Companies Using Mailgun
Prospecting companies using Mailgun? Here they are, biggest first, including Randall Reilly, Rocket Internet SE and Winclap. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
388
$2.2B
$100M - $250M
388
$2.3M
$25M - $50M
388
$500M - $1B
387
$25M - $50M
387
$336M
$25M - $50M
387
$10M - $25M
387
$50M - $100M
387
$550M
$100M - $250M
387
$115M
$100M - $250M
387
$12M
$250M - $500M
387
$100M - $250M
387
$25M - $50M
387
$25M - $50M
386
$36M
$1B - $10B
386
$130M
$100M - $250M
386
$100M - $250M
386
$50M - $100M
385
$25M - $50M
385
$10M - $25M
385
$316M
$250M - $500M
385
$250M - $500M
384
$50M - $100M
384
$10M - $25M
384
$100M - $250M
384
$250M - $500M
384
$100M - $250M
384
$25M - $50M
383
$100M - $250M
383
$100M - $250M
383
$302M
$100M - $250M
383
$500M - $1B
383
$500M - $1B
383
$100M - $250M
383
$340M
$100M - $250M
383
$50M - $100M
383
$100M - $250M
383
$100M - $250M
382
$100M - $250M
382
$100M - $250M
382
$25M
$25M - $50M
381
$60M
$50M - $100M
381
$1M - $10M
381
$250M - $500M
381
$10B+
381
$19M
$50M - $100M
381
$100M - $250M
381
$100M - $250M
381
$9M
$10M - $25M
380
$1M - $10M
380
$100M - $250M
380
$30M
$50M - $100M
380
$250M - $500M
380
$250M - $500M
380
$50M - $100M
380
$1B - $10B
380
$100M - $250M
379
$1M - $10M
379
$250M - $500M
379
$7.2M
$1M - $10M
379
$100M - $250M
379
$10B+
378
$100M - $250M
378
$100M - $250M
378
$60M
$10M - $25M
378
$25M - $50M
378
$24M
$10M - $25M
378
$50M - $100M
378
$1M - $10M
378
$100M - $250M
378
$10M - $25M
378
$100M - $250M
378
$10M - $25M
378
$500M - $1B
377
$500M - $1B
377
$1M - $10M
377
$100M - $250M
377
$25M - $50M
376
$100M - $250M
376
$10M - $25M
376
$1M - $10M
376
$1M - $10M
376
$50M - $100M
375
$31M
$250M - $500M
375
$28M
$250M - $500M
375
$10M - $25M
374
$250K
$1M - $10M
374
$10M - $25M
374
$323M
$500M - $1B
374
$25M - $50M
374
$49M
$50M - $100M
374
$10M - $25M
374
$10M - $25M
373
$250M - $500M
373
$250M - $500M
373
$100M - $250M
373
$250M - $500M
373
$1M - $10M
373
$9.2K
$25M - $50M
372
$100M - $250M
372
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 Randall Reilly, Rocket Internet SE and Winclap.
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
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
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