A breakdown of the 12 companies running Sendzilla.
Top industries
Professional and business services6
Information technology and services4
No industry recorded: 2
Company size
1–104 (36%)
11–506 (55%)
51–2501 (9%)
Share of companies with a recorded size, by employees.
No size recorded: 1
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Frequently asked questions
About the Sendzilla data on this page.
How many companies use Sendzilla?
Firmable holds confirmed Sendzilla detections for 12 distinct companies, 12 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Sendzilla?
Instantly Relevant, Engageddigital and iiiNTENT.io are among the most prominent in the current set.
What industries use Sendzilla?
Professional and business services and information technology and services lead the set, across 2 industries in total.
What size companies use Sendzilla?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Sendzilla users based?
The United States, the Philippines, Australia and Canada account for most detections, across 5 countries.
How current is this data?
12 companies were confirmed in the last 90 days. Last detection 13 October 2026.
