A breakdown of the 190 companies running Topsec Email Security.
Top industries
Construction and building39
Professional and business services19
Industrial and manufacturing18
Health and wellness13
Agriculture, forestry and fishing10
Education and training10
Information technology and services10
Financial services9
No industry recorded: 18
Company size
1–1022 (16%)
11–5051 (37%)
51–25038 (27%)
251–50010 (7%)
501–1,0006 (4%)
1,001–5,00012 (9%)
Share of companies with a recorded size, by employees.
No size recorded: 51
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Frequently asked questions
About the Topsec Email Security data on this page.
How many companies use Topsec Email Security?
Firmable holds confirmed Topsec Email Security detections for 190 distinct companies, 182 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Topsec Email Security?
Cubic³, Comic Relief and Thomson Foundation are among the most prominent in the current set.
What industries use Topsec Email Security?
Construction and building, professional and business services and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use Topsec Email Security?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Topsec Email Security users based?
The United States, Australia, Canada and the Philippines account for most detections, across 13 countries.
How current is this data?
182 companies were confirmed in the last 90 days. Last detection 7 September 2026.
