A breakdown of the 848 companies running Grandstream.
Top industries
Information technology and services318
Media and telecommunications275
Professional and business services56
Industrial and manufacturing24
Retail trade24
Construction and building19
Financial services18
Health and wellness16
No industry recorded: 34
Company size
1–10161 (28%)
11–50129 (23%)
51–250149 (26%)
251–50049 (9%)
501–1,00015 (3%)
1,001–5,00040 (7%)
5,001–10,00012 (2%)
10,001+17 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 276
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Frequently asked questions
About the Grandstream data on this page.
How many companies use Grandstream?
Firmable holds confirmed Grandstream detections for 848 distinct companies, 590 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Grandstream?
Telstra International, Clearwave Fiber and Aptyx are among the most prominent in the current set.
What industries use Grandstream?
Information technology and services, media and telecommunications and professional and business services lead the set, across 19 industries in total.
What size companies use Grandstream?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Grandstream users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
590 companies were confirmed in the last 90 days. Last detection 14 October 2026.
