List of Companies Using Avaya

Prospecting companies using Avaya? Here they are, biggest first, including UPMC Ireland, International Cruise & Excursions, Inc. (Now arrivia) and Kaplan Professional. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
498

$232M
$1B - $10B
497

$250M - $500M
497

$10M - $25M
497

$10M - $25M
497

$10M - $25M
496

$50M - $100M
496

$85M
$250M - $500M
495

$503M
$500M - $1B
495

$25M - $50M
495

$100M - $250M
493

$250M - $500M
493

$100M - $250M
492

$250M - $500M
492

$250M - $500M
492

$250M - $500M
490

$100M - $250M
488

$10M - $25M
488

$500M - $1B
488

$1B - $10B
487

$50M - $100M
487

$500M - $1B
487

$500M - $1B
487

$100M - $250M
487

$10M - $25M
487

$1B - $10B
487

$100M - $250M
487

$10M - $25M
486

$250M - $500M
486

$100M - $250M
486

$50M - $100M
485

$500M - $1B
485

$100M - $250M
485

$25M - $50M
485

$25M - $50M
485

$500M - $1B
485

$50M - $100M
485

$500M - $1B
485

$50M - $100M
483

$1M - $10M
483

$1M - $10M
481

$100M - $250M
481

$1B - $10B
481

$250M - $500M
481

$1B - $10B
480

$100M - $250M
480

Poland, Lesser Poland, Kraków
$149M
$50M - $100M
479

$250M - $500M
479

$25M - $50M
478

$25M - $50M
478

$100M - $250M
477

$100M - $250M
477

$50M - $100M
477

Argentina, Buenos Aires, Buenos Aires
$250M - $500M
476

$250M - $500M
476

$250M - $500M
473

$641M
$500M - $1B
473

$25M - $50M
473

$100M - $250M
473

$73M
$100M - $250M
473

$50M - $100M
472

$10M - $25M
472

$15M
$50M - $100M
471

$100M - $250M
471

$250M - $500M
471

$1B - $10B
471

$250M - $500M
470

$250M - $500M
470

$10M - $25M
468

$533M
$1B - $10B
468

$250M - $500M
468

$50M - $100M
468

$50M - $100M
467

$250M - $500M
466

$500M - $1B
466

$500M - $1B
465

$105M
$250M - $500M
465

$50M - $100M
465

$100M - $250M
465

$100M - $250M
464

$100M - $250M
464

$100M - $250M
463

$50M - $100M
463

$250M - $500M
463

$250M - $500M
463

$100M - $250M
462

$50M - $100M
461

$10M - $25M
461

$10M - $25M
459

$25M - $50M
459

$250M - $500M
459

$250M - $500M
459

$100M - $250M
459

$1M - $10M
459

$10M - $25M
458

$1M - $10M
458

$50M - $100M
458

$1M - $10M
458

$50M - $100M
457

$250M - $500M
457

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 UPMC Ireland, International Cruise & Excursions, Inc. (Now arrivia) and Kaplan Professional.

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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