All Industries

Top Telecommunications Companies

605 Telecommunications companies, sorted by total funding raised.

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

Mumbai1001–5000Media, Telecommunications
Private Equity·$411.3M·Feb 2016
Zayo

Provider of fiber network infrastructure and bandwidth connectivity services globally.

Boulder, United States1001–5000Network Infrastructure, Telecommunications
Series B·$353.0M·Mar 2009
Broadwing CorporationClosed

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

Columbia1001–5000Infrastructure, 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·$217.0M·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
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
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
Cape

Cape is the privacy-first mobile network.

Arlington, United States11–50Cybersecurity, Telecommunications
Series C·$140.0M·Mar 2026
AquantiaClosed

Aquantia develops low-cost and energy efficient 10G Ethernet ICs to connect multi-core data cente...

San Jose, United StatesSemiconductors, Telecommunications
Growth Equity·$133.0M·Oct 2015
AgoraIPO

Agora offers a platform that enhances the efficiency of real estate investment management.

Tel Aviv, Israel11–50Developer Tools, SaaS
Series A·$132.0M·Jul 2025