A breakdown of the 262K+ companies running Mailgun.
Top industries
Professional and business services30K+
Information technology and services24K+
Art, sports and recreation21K+
Retail trade20K+
Health and wellness17K+
Financial services17K+
Construction and building15K+
Industrial and manufacturing14K+
No industry recorded: 33K+
Company size
1–1056,486 (42%)
11–5036,892 (28%)
51–25026,861 (20%)
251–5007,420 (6%)
501–1,0002,121 (2%)
1,001–5,0002,649 (2%)
5,001–10,000424 (<1%)
10,001+506 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 128K+
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Frequently asked questions
About the Mailgun data on this page.
How many companies use Mailgun?
Firmable holds confirmed Mailgun detections for 262,018 distinct companies, 236,085 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Mailgun?
GCI Health, ICON International, Inc. and Mitsubishi Hc Capital America Inc. are among the most prominent in the current set.
What industries use Mailgun?
Professional and business services, information technology and services and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Mailgun?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Mailgun users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
236,085 companies were confirmed in the last 90 days. Last detection 13 October 2026.
