A breakdown of the 473 companies running SurgeMail.
Top industries
Information technology and services101
Media and telecommunications50
Professional and business services50
Industrial and manufacturing35
Construction and building28
Retail trade28
Art, sports and recreation27
Financial services17
No industry recorded: 57
Company size
1–1060 (19%)
11–50124 (38%)
51–25087 (27%)
251–50027 (8%)
501–1,00012 (4%)
1,001–5,00012 (4%)
5,001–10,0001 (<1%)
10,001+1 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 149
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
8.2a-128
8.0m-115
7.8k-113
8.1a-113
7.7c-19
7.3o4-48
8.1c-16
7.6j-15
8.0o-15
8.0s-15
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Frequently asked questions
About the SurgeMail data on this page.
How many companies use SurgeMail?
Firmable holds confirmed SurgeMail detections for 473 distinct companies, 472 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use SurgeMail?
Dalton Utilities/Optilink, Uniserve Communications and Arvig are among the most prominent in the current set.
What industries use SurgeMail?
Information technology and services, media and telecommunications and professional and business services lead the set, across 19 industries in total.
What size companies use SurgeMail?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are SurgeMail users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
472 companies were confirmed in the last 90 days. Last detection 14 October 2026.
