List of Companies Using Avaya
Prospecting companies using Avaya? Here they are, biggest first, including Harborstone Credit Union, Virginia Commonwealth University - College of Engineering and Santa Margarita Catholic High School. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$20M
$250M - $500M
286
$10M - $25M
286
$10M - $25M
285
$25M - $50M
284
$25M - $50M
284
$100M - $250M
284
$10M - $25M
284
$20M
$100M - $250M
283
$25M - $50M
283
$100M - $250M
282
$250M - $500M
282
$50M - $100M
282
$25M - $50M
282
$50M - $100M
282
$10M - $25M
282
$1M - $10M
282
$1B - $10B
281
$1M - $10M
281
$250M - $500M
281
$10M - $25M
281
$5.2M
$250M - $500M
281
$100M - $250M
281
$100M - $250M
281
$50M - $100M
281
$1B - $10B
281
$1M - $10M
281
$50M - $100M
281
$1M - $10M
280
$100M - $250M
280
$250M - $500M
279
$100M - $250M
279
$100M - $250M
279
$100M - $250M
279
$100M - $250M
279
$250M - $500M
279
$10M - $25M
279
$500M - $1B
279
$10B+
278
$10M - $25M
278
$50M - $100M
278
$1.6M
$50M - $100M
278
$40M
$100M - $250M
278
$250M - $500M
277
$10M - $25M
277
$25M - $50M
275
$988K
$1M - $10M
275
$1M - $10M
275
$1B - $10B
275
$100M - $250M
275
$10M - $25M
274
$250M - $500M
274
$250M - $500M
274
$250M - $500M
274
$25M - $50M
273
$50M - $100M
273
$250M - $500M
273
$25M - $50M
273
$10M
$10M - $25M
273
$250M - $500M
272
$25M - $50M
272
$10M - $25M
272
$50M - $100M
272
$500M - $1B
271
$10M - $25M
271
$100M - $250M
271
$118M
$50M - $100M
271
$50M - $100M
271
$100M - $250M
270
$250M - $500M
270
$100M - $250M
270
$250M - $500M
270
$50M - $100M
269
$48M
$100M - $250M
269
$10M - $25M
269
$1M - $10M
269
$1.5M
$100M - $250M
268
$105M
$10M - $25M
268
$100M - $250M
268
$402M
$100M - $250M
268
$50M - $100M
268
$1.7B
$500M - $1B
268
$39M
$1M - $10M
267
$10M - $25M
267
$1B - $10B
267
$951K
$10M - $25M
267
$250M - $500M
266
$50M - $100M
266
$100M - $250M
266
$100M - $250M
265
$10M - $25M
265
$100M - $250M
265
$10M - $25M
265
$1M - $10M
264
<$1M
264
$25M - $50M
264
$50M - $100M
264
$100M - $250M
264
$250M - $500M
264
$25M - $50M
264
$1M - $10M
263
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 Harborstone Credit Union, Virginia Commonwealth University - College of Engineering and Santa Margarita Catholic High School.
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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