List of Companies Using Avaya
Prospecting companies using Avaya? Here they are, biggest first, including Nationwide Private Client, New Signature UK and Olin Business School - WashU. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
201
<$1M
201
<$1M
201
$1M - $10M
201
$1M - $10M
201
$1M - $10M
201
$50M - $100M
201
$25M - $50M
201
$25M - $50M
201
$10M - $25M
201
$1M - $10M
201
$1M - $10M
201
$250M - $500M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$25M - $50M
201
$250M - $500M
201
$10M - $25M
201
$58M
$1M - $10M
201
$25M - $50M
201
$10M - $25M
201
<$1M
201
$4.6M
$1M - $10M
201
<$1M
201
$50M - $100M
201
$10M - $25M
201
$1M - $10M
201
$25M - $50M
201
$10M - $25M
201
$100M - $250M
201
$10M
$25M - $50M
201
$1M - $10M
201
$25M - $50M
201
$100M - $250M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$100M - $250M
201
$1M - $10M
201
$100M - $250M
200
$100M - $250M
200
$50M - $100M
200
$100M - $250M
200
$100M - $250M
200
$500M - $1B
200
<$10M
199
$10M - $25M
199
$100M - $250M
199
$100M - $250M
199
$1M - $10M
198
$25M - $50M
198
$100M - $250M
198
$100M - $250M
198
$10M - $25M
198
$1M - $10M
198
$100M - $250M
198
$1M - $10M
197
$100M - $250M
197
$1M - $10M
197
$25M - $50M
197
$1M - $10M
197
$100M - $250M
197
$1M - $10M
197
$500M - $1B
196
$100M - $250M
196
$1B - $10B
196
$50M - $100M
196
$1M - $10M
196
$1M - $10M
195
$10M - $25M
195
$55M
$50M - $100M
195
$1M - $10M
195
$25M - $50M
195
$1M - $10M
195
$250M - $500M
194
$46M
$50M - $100M
194
<$1M
194
$1M - $10M
194
$100M - $250M
194
$1M - $10M
194
$25M - $50M
193
$50M - $100M
193
$50M - $100M
193
$100M - $250M
193
$1M - $10M
193
$100M - $250M
193
$500M - $1B
193
$25M - $50M
192
$100M - $250M
192
$1B - $10B
192
$2.5M
$25M - $50M
192
$1M - $10M
192
$1M - $10M
192
$1M - $10M
191
$12M
$10M - $25M
191
$50M - $100M
191
$250M - $500M
191
$50M - $100M
191
$250M - $500M
191
About companies using Avaya
Why target companies using Avaya?
Avaya is a Customer support & communications technology. Companies running these tools operate help desks, live chat and phone or video platforms, which makes them buyers of customer experience, telephony and support tooling. Companies on the list include Nationwide Private Client, New Signature UK and Olin Business School - WashU.
Which industries use Avaya the most?
Among companies using Avaya on LeadIQ, the most common industries are IT Services and IT Consulting, Hospitals and Health Care, Financial Services, Software Development, Hospitality and Insurance. Narrow your list to the industry you sell into from there.
Where are companies using Avaya located?
Companies using Avaya are most often headquartered in the United States, the United Kingdom, Canada, France, Australia and Germany.
What other Customer support & communications technologies do companies use?
Prospecting the wider Customer support & communications space? Related technologies with their own company lists include Zendesk, Zoom, ServiceNow and WhatsApp Business.
How do I reach decision makers at companies using Avaya?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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