List of Companies Using Avaya
Prospecting companies using Avaya? Here they are, biggest first, including Knauf UK & Ireland, Mayo Clinic Healthcare London and National Defense Industrial Association - (NDIA). Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
301
$50M - $100M
301
$10M - $25M
301
$50M - $100M
301
$50M - $100M
300
<$1M
300
$50M - $100M
300
$1B - $10B
300
$25M - $50M
299
$100M - $250M
299
<$1M
299
$10M - $25M
298
$50M - $100M
298
$10M - $25M
298
$50M - $100M
297
$100M - $250M
297
$50M - $100M
297
$250M - $500M
297
$50M - $100M
297
$250M - $500M
296
$100M - $250M
296
$137M
$1B - $10B
296
$50M - $100M
296
$100M - $250M
296
$50M - $100M
296
$10M - $25M
295
$25M - $50M
295
$1M - $10M
295
$250M - $500M
295
$252M
$25M - $50M
294
<$1M
294
$100M - $250M
294
$50M - $100M
294
$100M - $250M
294
$10B+
294
$1B - $10B
294
$100M - $250M
294
$1M - $10M
293
$100M - $250M
293
$500M - $1B
293
$50M - $100M
293
<$1M
293
$1M - $10M
293
$25M - $50M
293
$50M - $100M
292
$25M - $50M
292
$500M - $1B
292
$10M - $25M
292
$35M
$100M - $250M
292
$1M - $10M
291
<$1M
291
$1M - $10M
291
$500M - $1B
291
$10M - $25M
291
$1M - $10M
290
$250M - $500M
289
$50M - $100M
289
$20M
$250M - $500M
288
$500M - $1B
288
$500K
$10M - $25M
288
$1M - $10M
287
$250M - $500M
287
$50M - $100M
287
$402M
$100M - $250M
287
$988K
$1M - $10M
287
$217M
$50M - $100M
287
$10M - $25M
287
$1M - $10M
287
$10M - $25M
287
$250M - $500M
286
$50M - $100M
286
$100M - $250M
286
$5.2M
$250M - $500M
286
$250M - $500M
285
$1M - $10M
285
$10M - $25M
285
$10M - $25M
285
$25M - $50M
285
$50M - $100M
284
$25M - $50M
284
$250M - $500M
284
$21M
$1M - $10M
284
$25M - $50M
283
$1B - $10B
283
$100M - $250M
283
$1B - $10B
283
$10M - $25M
283
$10M - $25M
282
$50M - $100M
282
$118M
$50M - $100M
282
$10B+
281
$10M - $25M
281
$25M - $50M
281
$50M - $100M
281
$10M - $25M
280
$50M - $100M
280
$100M - $250M
280
$250M - $500M
280
$100M - $250M
280
$1M - $10M
280
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 Knauf UK & Ireland, Mayo Clinic Healthcare London and National Defense Industrial Association - (NDIA).
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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