Twilio Inc.
Cloud CommunicationsCloud communications platform enabling SMS, voice, video, and email.
- Headquarters
- San Francisco, USA
- Founder
- Jeff Lawson, Evan Cooke, Mark L. All
- Founded
- 2008
- Employees
- 8,800
- Type
- Public
Expertise: SMS, Voice, Video, Email, Authentication, Customer Engagement
Vonage Holdings Corp.
Cloud CommunicationsCloud communications platform for voice, SMS, and contact center solutions.
- Headquarters
- New Jersey, USA
- Founder
- Jeffrey Citron, James Riviera
- Founded
- 2001
- Employees
- 4,000
- Type
- Public
Expertise: VoIP, SMS, Video, Contact Center, API Communications
Bandwidth Inc.
Cloud CommunicationsCommunications API platform for voice, SMS, and emergency services.
- Headquarters
- Raleigh, USA
- Founder
- David Morken, Brian Roach
- Founded
- 1999
- Employees
- 2,500
- Type
- Public
Expertise: Voice, SMS, 911, Emergency Services, API Communications
Nexmo (Vonage subsidiary)
Cloud CommunicationsCommunications APIs for SMS, voice, and messaging platforms.
- Headquarters
- London, UK
- Founder
- Jianhan (Jason) Zhou
- Founded
- 2010
- Type
- Subsidiary
Expertise: SMS, Voice, Video, Messaging APIs, Customer Engagement
MessageBird
Cloud CommunicationsOmnichannel communication platform for SMS, voice, and messaging.
- Headquarters
- Amsterdam, Netherlands
- Founder
- Robert Vis, Florian Hoornstra, Bas Beelen
- Founded
- 2011
- Employees
- 600
- Type
- Private
Expertise: SMS, Voice, WhatsApp, Messaging APIs, Customer Engagement
Plivo
Cloud CommunicationsCloud communications platform for voice, SMS, and messaging APIs.
- Headquarters
- San Jose, USA
- Founder
- Neeraj Joshi, Abhishek Joshi
- Founded
- 2010
- Type
- Private
Expertise: Voice, SMS, Messaging APIs, Call Center, Customer Engagement
SendGrid
Cloud CommunicationsEmail delivery platform providing APIs for transactional and marketing email at scale.
- Headquarters
- Denver, United States
- Founded
- 2011
- Type
- Subsidiary
Expertise: Email API, SMS, Push Notifications, Deliverability
Sinch AB
Cloud CommunicationsCloud communications platform for messaging, voice, and video solutions.
- Headquarters
- Stockholm, Sweden
- Founded
- 2008
- Employees
- 2,000
- Type
- Public
Expertise: Messaging, Voice, Video, Verification, Communications Platform