A breakdown of the 1.1K+ companies running Register.com Email.
Top industries
Professional and business services152
Construction and building123
Art, sports and recreation84
Financial services78
Industrial and manufacturing76
Health and wellness72
Retail trade66
Real estate and home services55
No industry recorded: 165
Company size
1–10230 (36%)
11–50224 (35%)
51–250143 (23%)
251–50020 (3%)
501–1,0004 (1%)
1,001–5,0009 (1%)
5,001–10,0001 (<1%)
10,001+1 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 510
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Frequently asked questions
About the Register.com Email data on this page.
How many companies use Register.com Email?
Firmable holds confirmed Register.com Email detections for 1,142 distinct companies, 1,141 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Register.com Email?
SmugMug, Icon Health and Freedom Merchants are among the most prominent in the current set.
What industries use Register.com Email?
Professional and business services, construction and building and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Register.com Email?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Register.com Email users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
1,141 companies were confirmed in the last 90 days. Last detection 13 October 2026.