List of Companies Using Mailgun

Prospecting companies using Mailgun? Here they are, biggest first, including Reliance Infosystems, TechMagic and UK Markey Cancer Center. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
322

Poland, Lesser Poland, Kraków
$25M - $50M
322

$50M - $100M
322

$250M - $500M
322

$3.3M
$25M - $50M
322

$100M - $250M
321

$100M - $250M
321

Nigeria, Lagos, Lekki
$34M
$1M - $10M
321

$1M - $10M
321

$1M - $10M
321

$50M - $100M
321

$1M - $10M
321

$1M - $10M
321

$50M - $100M
320

$250M - $500M
320

$10M - $25M
320

$250M - $500M
320

Czech Republic, Prague, Nové Město
$9.9M
$25M - $50M
320

$250M - $500M
319

$100M - $250M
319

$10M - $25M
319

$100M - $250M
319

$1M - $10M
319

$42M
$250M - $500M
319

$100M - $250M
318

$25M - $50M
318

$3.2M
$1M - $10M
318

$250M - $500M
318

$1M - $10M
318

$100M - $250M
318

$500M - $1B
318

$1M - $10M
318

$100M - $250M
318

$100M - $250M
318

<$1M
318

$14M
$100M - $250M
318

$250M - $500M
318

$4M
$50M - $100M
318

$100M - $250M
318

$50M - $100M
318

$25M - $50M
317

$100M - $250M
317

$1M - $10M
317

$1M - $10M
317

$250M - $500M
317

$250M - $500M
317

$25M - $50M
317

$2.5M
$1M - $10M
317

$10M - $25M
317

$23M
$25M - $50M
316

$500M - $1B
316

$1M - $10M
316

$500M - $1B
316

$10M - $25M
316

$1.5M
$25M - $50M
316

$1M - $10M
316

$50M - $100M
315

$25M - $50M
315

$10M - $25M
315

$10M - $25M
315

$1M - $10M
315

$1B - $10B
315

$250M - $500M
315

Saudi Arabia, Riyadh, Riyadh
$10M - $25M
314

$1M - $10M
314

$50M - $100M
314

$25M - $50M
314

$25M - $50M
314

$25M - $50M
314

$250M - $500M
314

$100M - $250M
314

$10M - $25M
313

$10M - $25M
313

$100M - $250M
313

$10M - $25M
313

$1M - $10M
313

$100M - $250M
313

$100M - $250M
313

$10M - $25M
313

$10M - $25M
313

$250M - $500M
313

$212K
$250M - $500M
313

$250M - $500M
312

$100M - $250M
312

$250M - $500M
312

$100M - $250M
312

$100M - $250M
312

$146M
$100M - $250M
312

$500M - $1B
312

$100M - $250M
311

$10M - $25M
311

$25M - $50M
311

$500M - $1B
311

$25M - $50M
311

$3.4M
$1M - $10M
311

$50M - $100M
311

$1B
$250M - $500M
311

$1.4M
$100M - $250M
311

$50M - $100M
311

$50M - $100M
311

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 Reliance Infosystems, TechMagic and UK Markey Cancer Center.

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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