List of Companies Using Avaya
Prospecting companies using Avaya? Here they are, biggest first, including AGC Networks Limited, Amherst and Cresta. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
816
$500M - $1B
816
$276M
$250M - $500M
816
$250M - $500M
815
$250M - $500M
815
$1B - $10B
814
$250M - $500M
814
$1B - $10B
812
$100M - $250M
810
$310M
$500M - $1B
809
$100M - $250M
809
$100M - $250M
807
$500M - $1B
805
$100M - $250M
805
$25M - $50M
805
$100M - $250M
805
$1B - $10B
804
$680M
$250M - $500M
803
$350M
$1B - $10B
803
$25M - $50M
803
$250M - $500M
802
$1M - $10M
799
$25M - $50M
798
$100M - $250M
797
$250M - $500M
795
$100M - $250M
794
$100M - $250M
794
$61M
$250M - $500M
792
$10M - $25M
792
$10M - $25M
792
$1.1B
$100M - $250M
792
$500M - $1B
791
$250M - $500M
788
$250M - $500M
787
$100M - $250M
785
$250M - $500M
784
$100M - $250M
784
$500M - $1B
784
$1B - $10B
783
$250M - $500M
783
$10M - $25M
782
$100M - $250M
780
$100M - $250M
780
$1M - $10M
779
$10M - $25M
778
$25M - $50M
778
$500M - $1B
776
$500M - $1B
776
$1M - $10M
775
$500M - $1B
775
$1B - $10B
774
$100M - $250M
774
$103M
$50M - $100M
774
$53M
$500M - $1B
772
$500M - $1B
771
$372M
$250M - $500M
767
$100M - $250M
767
$100M - $250M
766
$100M - $250M
763
$100M - $250M
763
$1B - $10B
763
$1B - $10B
763
$1B - $10B
762
$100M - $250M
761
$50M - $100M
760
$100M - $250M
760
$100M - $250M
759
$500M - $1B
759
$500M - $1B
759
$25M - $50M
758
$500M - $1B
758
$804K
$100M - $250M
758
$100M - $250M
756
$50M - $100M
754
$500M - $1B
754
$50M - $100M
753
$100M - $250M
752
$500M - $1B
749
$1B - $10B
749
$500M - $1B
749
$100M - $250M
748
$100M - $250M
747
$100M - $250M
747
$10M - $25M
746
$100M - $250M
746
$25M - $50M
746
$60M
$250M - $500M
745
$17M
$100M - $250M
745
$500M - $1B
744
$1.7M
$1B - $10B
743
$250M - $500M
743
$1B - $10B
739
$44M
$250M - $500M
737
$100M - $250M
736
$250M - $500M
736
$250M - $500M
735
$25M - $50M
734
$100M - $250M
734
$250M - $500M
734
$100M - $250M
733
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 AGC Networks Limited, Amherst and Cresta.
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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