List of Companies Using Avaya

Prospecting companies using Avaya? Here they are, biggest first, including St. Elizabeth's Medical Center, Resident and The Binding Site. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
571

$169M
$500M - $1B
570

$25M - $50M
570

$518M
$1B - $10B
569

$25M - $50M
569

$250M - $500M
569

$10B+
569

$500M - $1B
568

$55M
$250M - $500M
568

$50M - $100M
567

$1M - $10M
566

$100M - $250M
566

$100M - $250M
565

$10M - $25M
565

$10B+
564

$1B - $10B
564

$100M - $250M
564

$25M - $50M
563

$10M - $25M
563

$250M - $500M
562

$50M - $100M
562

$1B - $10B
560

$100M - $250M
560

Thailand, Bangkok, Pahtum Wan
$1B - $10B
559

$1B - $10B
559

$50M - $100M
558

$100M - $250M
558

$3.8B
$250M - $500M
557

Egypt, Cairo, Cairo
$100M - $250M
557

$100M - $250M
557

Peru, Lima, Lima
$32M
$100M - $250M
556

$1B - $10B
556

$1B - $10B
556

$50M - $100M
556

$250M - $500M
556

$100M - $250M
555

$25M - $50M
554

$1B - $10B
554

Botswana, Central, Gwape One
$25M - $50M
554

$250M - $500M
553

$250M - $500M
553

Argentina, Buenos Aires, Haras Argentina
$1B - $10B
552

$10M - $25M
552

$50M - $100M
552

$500M - $1B
551

$50M - $100M
551

$100M - $250M
549

$10M - $25M
549

$10M - $25M
549

$100M - $250M
549

$500M - $1B
548

$100M - $250M
548

$25M - $50M
548

$100M - $250M
547

$100M - $250M
546

$250M - $500M
546

$250M - $500M
544

$1B - $10B
543

$500M - $1B
543

$250M - $500M
543

$1B - $10B
540

$500M - $1B
539

Indonesia, Jakarta, Jakarta
$10M - $25M
538

$25M - $50M
538

$100M - $250M
537

$1M - $10M
536

$400M
$1B - $10B
535

$100M - $250M
535

$50M - $100M
534

$50M - $100M
533

$250M - $500M
533

$25M - $50M
533

$1M - $10M
532

$50M - $100M
532

$25M - $50M
532

Austria, Wien, Vienna
$250M - $500M
530

$100M - $250M
530

$10M - $25M
529

$1B - $10B
529

$10M - $25M
529

$1B - $10B
528

$250M - $500M
528

$10M - $25M
528

$100M - $250M
527

$500M - $1B
526

$500M - $1B
525

$500M - $1B
525

$100M - $250M
524

$25M - $50M
523

$100M - $250M
522

$16K
$500M - $1B
522

$100M - $250M
522

$100M - $250M
520

$10M - $25M
520

$100M - $250M
520

$378M
$100M - $250M
520

$2.3M
$250M - $500M
519

$50M - $100M
519

$100M - $250M
517

$100M - $250M
517

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 St. Elizabeth's Medical Center, Resident and The Binding Site.

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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