A breakdown of the 80 companies running Avaya IP Office.
Top industries
Media and telecommunications46
Information technology and services13
Construction and building6
Professional and business services6
Financial services3
Real estate and home services2
Health and wellness1
Hospitality and travel1
Company size
1–1018 (29%)
11–5015 (24%)
51–25014 (23%)
251–5004 (6%)
501–1,0003 (5%)
1,001–5,0002 (3%)
5,001–10,0004 (6%)
10,001+2 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 18
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Frequently asked questions
About the Avaya IP Office data on this page.
How many companies use Avaya IP Office?
Firmable holds confirmed Avaya IP Office detections for 80 distinct companies, 25 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Avaya IP Office?
Telworx Communications LLC, Sytec Usa and TechPresence Pty Ltd are among the most prominent in the current set.
What industries use Avaya IP Office?
Media and telecommunications, information technology and services and construction and building lead the set, across 12 industries in total.
What size companies use Avaya IP Office?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Avaya IP Office users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
25 companies were confirmed in the last 90 days. Last detection 13 October 2026.
