List of Companies Using Avaya
Prospecting companies using Avaya? Here they are, biggest first, including Cardinal Health Canada, Grey Bruce Health Services and Swedbank Corporates & Institutions. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
446
$25M - $50M
446
$250M - $500M
446
$100M - $250M
446
$25M - $50M
446
$100M - $250M
445
$250M - $500M
445
$250M - $500M
445
$100M - $250M
445
$250M - $500M
445
$315M
$250M - $500M
444
$100M - $250M
444
$250M - $500M
444
$50M - $100M
443
$250M - $500M
443
$100M - $250M
442
$100M - $250M
442
$200M
$500M - $1B
442
$10M - $25M
442
$50M - $100M
441
$100M - $250M
440
$100M - $250M
439
$100M - $250M
438
$430K
$250M - $500M
438
$100M - $250M
438
$250M - $500M
438
$10M - $25M
437
$25M - $50M
437
$100M - $250M
437
$50M - $100M
436
$100M - $250M
436
$1M - $10M
436
$10M - $25M
436
$1.3B
$250M - $500M
436
$1M - $10M
435
$100M - $250M
435
$500M - $1B
434
$1M - $10M
434
$50M - $100M
434
$100M - $250M
433
$1M - $10M
433
$260M
$1B - $10B
433
$250M - $500M
433
$10M - $25M
433
$100M - $250M
432
$250M - $500M
431
$10M - $25M
430
$1B+
430
$1M - $10M
430
$270M
$250M - $500M
430
$59M
$50M - $100M
430
$1M - $10M
429
$500M - $1B
428
$41M
$25M - $50M
428
$25M - $50M
427
$1B - $10B
427
$100M - $250M
427
$50M - $100M
427
$1B - $10B
427
$1B - $10B
427
$100M - $250M
426
$100M - $250M
426
$100M - $250M
426
$25M - $50M
426
$6.4M
$100M - $250M
426
$100M - $250M
426
$1B - $10B
425
$1.6M
$50M - $100M
424
$10M - $25M
423
$1B - $10B
423
$100M - $250M
423
$100M - $250M
423
$50M - $100M
423
$250M - $500M
422
$25M - $50M
422
$100M - $250M
421
$25M
$250M - $500M
421
$1B - $10B
421
$25M - $50M
419
$1M - $10M
419
$1M - $10M
419
$100M - $250M
419
$500M - $1B
419
$250M - $500M
419
$594M
$250M - $500M
419
$461M
$1M - $10M
419
$100M - $250M
418
$100M - $250M
418
$25M - $50M
417
$50M - $100M
417
$10M - $25M
416
$250M - $500M
416
$250M - $500M
415
$50M - $100M
415
$25M - $50M
414
$10M - $25M
414
$500M - $1B
414
$1M - $10M
414
$10M - $25M
413
$25M - $50M
412
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 Cardinal Health Canada, Grey Bruce Health Services and Swedbank Corporates & Institutions.
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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Top companies by employee count
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