All Industries

Top Telecommunications Companies

657 Telecommunications companies, sorted by total funding raised.

Redback NetworksAcquired

Telecommunications equipment company that provided hardware and software solutions for ISPs to ma...

San Jose, United States501–1000Networking Equipment, Telecommunications
Convertible·$500.0M·Mar 2000
Zhone Technologies

Next-generation local loop infrastructure equipment

Oakland, United States201–500Broadband, networking
Venture Round·$500.0M·Oct 1999
VonageAcquired

Voice over IP services company

Holmdel, United States1001–5000cloud-communications, voip
Convertible·$496.0M·Dec 2005
Outreach

Outreach is a sales engagement platform that accelerates revenue growth by optimizing interaction...

Seattle, United States501–1000Artificial Intelligence, Marketing Tech
Series G+·$488.1M·Jun 2021
Sigma Networks

IT and telecom networking solutions provider for small and medium-sized businesses.

Bangalore, India1–10Telecommunications
Venture Round·$435.0M
Videocon D2HClosed

Popular direct broadband satellite service provider

Mumbai, India1001–5000Media, Telecommunications
Private Equity·$411.3M·Feb 2016
Broadwing CorporationAcquired

Broadwing Corporation was a US telecommunications services company operating a nationwide fiber-o...

Columbia, United States1001–5000Infrastructure, Telecommunications
Venture Round·$346.1M·Apr 2000
Zinnia Technologies

Life-enhancing videos that support and uplift people facing cognitive changes and dementia.

Winnetka, United States1–10Digital Health, Healthcare
Growth Equity·$300.0M·Oct 2024
Kymeta

Satellite communications company providing flat-panel electronically-scanning antenna terminals a...

Redmond, United StatesHardware, Satellite Technology
Venture Round·$293.2M·Mar 2022
YipesAcquired

Metro Ethernet and managed WAN services provider acquired by Reliance Communications in 2007; no ...

San Francisco, United StatesInfrastructure, Telecommunications
Series D·$291.8M·Jan 2006
InnoviumAcquired

Provides high-performance TERALYNX Ethernet switch silicon for cloud and edge data centers, servi...

San Jose, United States201–500Semiconductors, Telecommunications
Series E·$288.3M·Jul 2020
Beanfield MetroconnectAcquired

Independent fibre-optic network operator providing business and residential internet and connecti...

Toronto, Canada201–500Internet Service Provider, Telecommunications
Growth Equity·$255.0M·Jul 2023
TwilioIPO

Cloud communications platform that provides APIs for messaging, voice, video, and authentication,...

San Francisco, United States5001–10000Cloud Communications, SaaS
Series E·$233.6M·Jul 2015
KaleyraAcquired

Cloud communications platform providing omnichannel APIs for SMS, voice, and messaging to busines...

Atlanta, United States201–500Developer Tools, Telecommunications
Corporate Round·$215.0M·Jul 2021
GTA

Leading digital infrastructure provider in Guam offering broadband and telecom services

Tamuning, United States201–500Telecommunications
Growth Equity·$200.0M·Dec 2023
Nextiva

Unified customer experience management platform combining voice, video, chat, and digital channels.

Scottsdale, United States1001–5000SaaS, Telecommunications
Series B·$200.0M·Sep 2021
Aircall

Aircall is a cloud-based business phone and communication platform that integrates voice, SMS, an...

New York, United States501–1000SaaS, Telecommunications
Series D·$195.8M·Jun 2021
Pivotal Commware

mmWave 5G repeater and beam-forming technology company enabling cost-effective network coverage.

Kirkland, United States51–200Hardware, Telecommunications
Series D·$193.7M·Aug 2023
YH Global

YH Global is a supply chain management company offering integrated B2B, B2C, and supply chain fin...

Beijing, ChinaTelecommunications
Series A·$182.0M·Sep 2017
AR
Allied Riser Comms.Acquired

Allied Riser Communications was a Dallas-based telecommunications company providing broadband int...

Dallas, United StatesInternet Services, Telecommunications
Venture Round·$178.0M·Jun 2000
VlocityAcquired

Provided industry-specific cloud and CRM applications built on Salesforce, serving enterprises in...

San Francisco, United States501–1000Insurtech, Media
Series C·$152.8M·Mar 2019
Weave CommunicationsIPO

Weave makes communicating with customers easier for businesses by integrating features like texti...

Lehi, United States501–1000Healthcare, Telecommunications
Venture Round·$147.0M·Oct 2019
ZoomIPO

Zoom brings teams together with cloud-based video communications.

San Jose, United States5001–10000SaaS, Telecommunications
Series D·$145.5M·Jan 2017
Comtech Telecommunications Corp.IPO

Provider of satellite communications, troposcatter, and uplink power amplifier solutions for mili...

Melville, United States1001–5000enterprise software, defense technology
Growth Equity·$145.0M·Jan 2024
SpinLaunch

Develops kinetic launch systems and a LEO satellite broadband constellation for enterprise and so...

Long Beach, United States51–200Hardware, Space Tech
Series C·$141.0M·Aug 2025