All Industries

Top Telecommunications Companies

568 Telecommunications companies, sorted by total funding raised.

Atheros CommunicationsAcquired

Semiconductor system solutions for wireless communications products

Sunnyvale, United States1001–5000Semiconductors, Telecommunications
Series B·$66.7M·Apr 2001
Vanu

Mobile communications solutions.

Cambridge, United States11–50Infrastructure, Telecommunications
Venture Unknown·$65.4M·Oct 2024
Juniper NetworksAcquired

Programmable high performance data forwarding system able to deliver a variety of traffic types t...

Sunnyvale, United States5001–10000Infrastructure, Telecommunications
Venture Unknown·$62.0M·Jun 1997
CelenoAcquired

Components and subsystems for multimedia WiFi networks

Ra'anana, Israel51–200Hardware, Semiconductors
Venture Unknown·$60.0M·Jan 2019
Celona

Provides private 5G LAN solutions for enterprises, delivering reliable, secure wireless connectiv...

Cupertino, United States51–200IoT, Manufacturing
Series C·$60.0M·Mar 2022
InstaCar

Expanding India's mobility options for intercity travel.

Indore, India51–200Mobility, Telecommunications
Series A·$59.8M·Feb 2023
VOW

Building the future of guest management across live experiences and events.

Demarest, United StatesTelecommunications
Series A·$56.9M·Nov 2022
Instinctif Partners

Strategic reputation advisory and corporate communications consultancy specializing in capital ma...

London, United Kingdom201–500Telecommunications, Corporate Communications
Private Equity·$54.0M·Sep 2019
Gaiia

all-in-one operating system (OS) for telcos

Montreal, United States11–50IoT, Mobility
Series B·$53.0M·May 2026
WhatsAppAcquired

WhatsApp, now part of Facebook, is an end-to-end encrypted mobile messenger app.

Mountain View, United States201–500Social Media, Telecommunications
Series B·$52.0M·Jul 2013
zenchef

The easiest marketing and booking system for restaurants. Manage your bookings, reviews, database...

Paris, France51–200Marketing Tech, Telecommunications
Growth Equity·$51.5M·Sep 2022
ZipwhipAcquired

Provides business-texting software enabling organizations to send and receive SMS from existing p...

Seattle, United States201–500SaaS, Telecommunications
Series D·$51.5M·Jan 2019
Kumu Networks

Revolutionizing the way wireless systems are built using its innovative full-duplex wireless design

Sunnyvale, United States11–50Telecommunications, networking
Series C·$50.2M·Dec 2015
NubisAcquired

High-density optical interconnects for AI datacenters; acquired by Ciena.

United StatesHardware, Semiconductors
Venture Unknown·$50.0M
LLUNAAcquired

LLUNA's technology is the TeamOS for modern employers, combining personal operating profiles and ...

Wayne, United StatesHR Tech, Telecommunications
Growth Equity·$50.0M·Dec 2023
Mexico Telecom Partners

Mexico's largest private telecom tower infrastructure operator; a joint venture between DigitalBr...

Mexico City, Mexico201–500Infrastructure, Telecommunications
Venture Unknown·$45.0M·Jan 2014
Veraz Networks

A leading softswitch, media gateway and digital compression solution provider (acquired by Dialog...

San Jose, United States201–500Infrastructure, Telecommunications
Series B·$43.8M·Jun 2004
Smartsy

Powered by AI, Smartsy enables resource-strapped small businesses to instantly create beautiful, ...

Miami, United States1–10Artificial Intelligence, Telecommunications
Series A·$43.6M·Jan 2026
A
AirespaceAcquired

Enterprise wireless LAN systems provider offering secure, flexible, and cost-effective networking...

San Jose, United States51–200Enterprise Hardware, Infrastructure
Venture Unknown·$42.0M·Jul 2004
CienaIPO

Optical networking systems and software company providing transport, switching, and management so...

Hanover, United States5001–10000Infrastructure, Optical Networking
Angel·$41.3M·Apr 1994
GoTennaAcquired

Builds off-grid mesh networking hardware and software for public safety, military, and emergency ...

New York, United States51–200Defense Tech, Hardware
Series C·$40.8M·Jan 2021
TeleSignAcquired

Provides digital identity, fraud prevention, and communications APIs to enterprises to verify use...

Marina del Rey, United States501–1000authentication, digital identity
Series B·$40.0M·Apr 2014
GainspeedClosed

Gainspeed is redefining how cable networks are built. The company's Virtual CCAP solution enables...

Sunnyvale51–200Cable Technology, Infrastructure
Series C·$37.5M·Jan 2014
GC
Global CrossingIPO

Fiber optic network provider that filed for bankruptcy with $12.4 billion in debt

Rochester, United States5001–10000Telecommunications
Venture Unknown·$35.0M·Mar 1997
Andrena

Provides high-speed wireless Internet to multi-tenant buildings, businesses, and households with ...

New York, United States11–50Infrastructure, Telecommunications
Series A·$33.0M·Aug 2024