Unified Communications And Collaboration Top Companies
Microsoft
Cisco Systems
Zoom Video Communications
RingCentral, Inc.
8x8, Inc.
*Disclaimer: Top companies sorted in no particular order

Unified Communications And Collaboration Market Concentration

Unified Communications And Collaboration Company List
Microsoft Corporation
Cisco Systems, Inc.
Zoom Video Communications, Inc.
RingCentral, Inc.
8x8, Inc.
Avaya LLC
Mitel Networks Corporation
Google LLC (subsidiary of Alphabet Inc.)
GoTo Technologies USA, Inc.
Verizon Communications Inc.
AT&T Inc.
T-Mobile US, Inc.
Vonage Holdings Corp.
Dialpad, Inc.
Nextiva, Inc.
ALE International SAS (doing business as Alcatel-Lucent Enterprise)
NEC Corporation
Sangoma Technologies Corporation
Telefonaktiebolaget LM Ericsson (publ)
Fuze, Inc. (a wholly owned subsidiary of 8x8, Inc.)
Twilio Inc.
Slack Technologies, LLC (a wholly owned subsidiary of Salesforce, Inc.)
Amazon Web Services, Inc.
Tencent Holdings Limited (cloud division)
Orange S.A. (operating unit: Orange Business Services)
Comcast Corporation



