A breakdown of the 901 companies running emailsys.
Top industries
Professional and business services111
Art, sports and recreation108
Industrial and manufacturing86
Retail trade75
Information technology and services63
Education and training44
Hospitality and travel41
Construction and building39
No industry recorded: 160
Company size
1–1038 (13%)
11–50121 (42%)
51–25075 (26%)
251–50019 (7%)
501–1,0009 (3%)
1,001–5,00019 (7%)
5,001–10,0001 (<1%)
10,001+6 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 613
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Frequently asked questions
About the emailsys data on this page.
How many companies use emailsys?
Firmable holds confirmed emailsys detections for 901 distinct companies, 901 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use emailsys?
Thoma Bravo, Senstar and Schletter Aust/NZ/Pacific Islands are among the most prominent in the current set.
What industries use emailsys?
Professional and business services, art, sports and recreation and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use emailsys?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are emailsys users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
901 companies were confirmed in the last 90 days. Last detection 13 October 2026.
