List of Companies Using Avaya

Prospecting companies using Avaya? Here they are, biggest first, including Tameside College, Cayuse Holdings and Fox School of Business at Temple University. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
608

$250M - $500M
606

$10M - $25M
606

$250M - $500M
605

$250M - $500M
605

$1B - $10B
605

$250M - $500M
605

$7.5M
$100M - $250M
604

$1B - $10B
603

$50M - $100M
603

$1.1B
$250M - $500M
603

$250M - $500M
602

$500M - $1B
601

$500M - $1B
601

$30M
$25M - $50M
601

$10M - $25M
600

$10M - $25M
600

$100M - $250M
598

$50M - $100M
598

$1B - $10B
597

$50M - $100M
597

$250M - $500M
596

$25M - $50M
596

$100M - $250M
596

$250M - $500M
595

$5.3M
$500M - $1B
595

$50M - $100M
595

$250M - $500M
594

$10M - $25M
594

$250M - $500M
594

$25M - $50M
592

$50M - $100M
592

$50M - $100M
591

$250M - $500M
591

$50M - $100M
589

$100M - $250M
589

$10M - $25M
588

$100M - $250M
588

$1B - $10B
588

$50M - $100M
588

$25M - $50M
587

$250M - $500M
587

$3.2B
$500M - $1B
587

$25M - $50M
586

$250M - $500M
586

$100M - $250M
584

$100M - $250M
583

$100M - $250M
583

$500M - $1B
583

$1B - $10B
582

$50M - $100M
582

$50M - $100M
582

Hong Kong, Hong Kong Island, Aberdeen
$10B+
581

Barbados, Saint Michael, Bridgetown
$25M - $50M
581

$500M - $1B
580

$50M - $100M
580

Mexico, Jalisco, Guadalajara
$383M
$50M - $100M
579

$50M - $100M
579

$25M - $50M
578

$250M - $500M
577

$10B+
576

$136M
$250M - $500M
576

$38M
$100M - $250M
576

$1B - $10B
573

$38M
$250M - $500M
573

$1M - $10M
572

$100M - $250M
572

$100M - $250M
572

$50M - $100M
571

$10B+
571

$100M - $250M
570

$100M - $250M
569

$169M
$500M - $1B
569

$500M - $1B
568

$1M - $10M
568

$25M - $50M
568

$1M - $10M
568

Botswana, Central, Gwape One
$25M - $50M
567

$55M
$250M - $500M
567

$25M - $50M
566

$1B - $10B
566

$10M - $25M
566

$25M - $50M
566

$77M
$50M - $100M
566

$250M - $500M
565

$50M - $100M
564

$100M - $250M
564

$10M - $25M
563

$100M - $250M
563

$1B - $10B
562

$250M - $500M
562

$1B - $10B
560

$100M - $250M
559

$250M - $500M
558

$518M
$1B - $10B
558

$100M - $250M
558

$1B - $10B
558

$50M - $100M
558

$3.8B
$250M - $500M
557

$100M - $250M
557

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 Tameside College, Cayuse Holdings and Fox School of Business at Temple University.

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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