A breakdown of the 6.4K+ companies running EmailJS.
Top industries
Information technology and services1.2K+
Professional and business services829
Construction and building573
Art, sports and recreation392
Financial services344
Real estate and home services338
Hospitality and travel274
Health and wellness262
No industry recorded: 727
Company size
1–101,712 (63%)
11–50565 (21%)
51–250309 (11%)
251–50049 (2%)
501–1,00021 (1%)
1,001–5,00035 (1%)
5,001–10,0005 (<1%)
10,001+7 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 3.7K+
Versions detected
6 versions across the confirmed companies. Counts are distinct companies seen running that version.
415
2.3.211
311
23
2.4.03
2.4.12
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Frequently asked questions
About the EmailJS data on this page.
How many companies use EmailJS?
Firmable holds confirmed EmailJS detections for 6,411 distinct companies, 4,587 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use EmailJS?
GCU-ACM Student Chapter, Cirkla Inc. and kerala water authority are among the most prominent in the current set.
What industries use EmailJS?
Information technology and services, professional and business services and construction and building lead the set, across 19 industries in total.
What size companies use EmailJS?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are EmailJS users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
4,587 companies were confirmed in the last 90 days. Last detection 14 October 2026.
