A breakdown of the 417 companies running IceWarp Mail Server.
Top industries
Industrial and manufacturing103
Information technology and services61
Professional and business services49
Construction and building29
Wholesale22
Transport20
Retail trade17
Art, sports and recreation16
No industry recorded: 25
Company size
1–1077 (28%)
11–5063 (23%)
51–25048 (17%)
251–50022 (8%)
501–1,00016 (6%)
1,001–5,00033 (12%)
5,001–10,0007 (3%)
10,001+9 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 142
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
11.4.6.06
10.4.54
12.1.1.34
9.4.24
11.3.1.53
11.4.0.52
11.4.5.02
12.0.3.12
12.0.4.02
9.3.22
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Frequently asked questions
About the IceWarp Mail Server data on this page.
How many companies use IceWarp Mail Server?
Firmable holds confirmed IceWarp Mail Server detections for 417 distinct companies, 397 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use IceWarp Mail Server?
TINCI MATERIALS, Atlantic.Net Inc. and Sodick are among the most prominent in the current set.
What industries use IceWarp Mail Server?
Industrial and manufacturing, information technology and services and professional and business services lead the set, across 19 industries in total.
What size companies use IceWarp Mail Server?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are IceWarp Mail Server users based?
The United States, Singapore, Australia and Malaysia account for most detections, across 13 countries.
How current is this data?
397 companies were confirmed in the last 90 days. Last detection 14 October 2026.
