List of Companies Using Avaya

Prospecting companies using Avaya? Here they are, biggest first, including HNI Workplace Furnishings, LLC, PeaceHealth Southwest Medical Center and Sinclair Knight Merz. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
424

$100M - $250M
423

$250M - $500M
422

$100M - $250M
422

$25M - $50M
421

$100M - $250M
420

$10M - $25M
419

$1B - $10B
419

$500M - $1B
419

$10M - $25M
419

$250M - $500M
419

$260M
$1B - $10B
417

$50M - $100M
417

$25M - $50M
416

Portugal, Lisbon, Lisboa
$1M - $10M
416

$250M - $500M
416

$1M - $10M
416

$100M - $250M
416

$100M - $250M
416

$25M - $50M
416

$250M - $500M
415

$10M - $25M
415

$10M - $25M
415

Egypt, Cairo, Madīnat an Naşr
$500M - $1B
415

$100M - $250M
414

$250M - $500M
414

$1M - $10M
414

$250M - $500M
413

$10M - $25M
413

$25M - $50M
413

$66K
$50M - $100M
413

$250M - $500M
413

$250M - $500M
413

$100M - $250M
412

$1B - $10B
412

$25M - $50M
411

$100M - $250M
410

$100M - $250M
410

$50M - $100M
409

$10M - $25M
409

$10M - $25M
408

$100M - $250M
407

$100M - $250M
407

$1B - $10B
406

$250M - $500M
406

$1B - $10B
406

$177M
$250M - $500M
405

Luxembourg, Luxembourg, Luxembourg
$250M - $500M
405

$100M - $250M
405

$1M - $10M
404

$100M - $250M
404

$100M - $250M
404

$250M - $500M
403

$85M
$250M - $500M
402

$250M - $500M
402

$100M - $250M
402

$50M - $100M
400

$1M - $10M
400

$250M - $500M
400

$500M - $1B
399

$250M - $500M
398

$25M - $50M
398

$94M
$50M - $100M
398

$1B - $10B
397

$250M - $500M
397

$1M - $10M
397

Poland, Lesser Poland, Kraków
$10M - $25M
397

$250M - $500M
397

$100M - $250M
396

$1B - $10B
395

$1M - $10M
395

$18M
$100M - $250M
394

$1M - $10M
394

$50M - $100M
394

$620M
$250M - $500M
394

$303M
$100M - $250M
393

$100M - $250M
393

$50M - $100M
393

$50M - $100M
393

$50M - $100M
392

$250M - $500M
392

<$1M
392

$10M
$50M - $100M
392

$50M - $100M
392

$25M - $50M
391

$100M - $250M
391

$17M
$100M - $250M
391

$25M - $50M
391

$50M - $100M
391

$404M
$100M - $250M
389

$250M - $500M
389

$100M - $250M
389

$25M - $50M
389

$100M - $250M
389

$50M - $100M
389

$1B - $10B
388

$375M
$100M - $250M
388

$10M - $25M
388

Romania, București, Bucharest
$1M - $10M
388

$100M - $250M
388

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 HNI Workplace Furnishings, LLC, PeaceHealth Southwest Medical Center and Sinclair Knight Merz.

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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