SignalWire is a company focused on cloud communications and programmable unified communications within the tech industry. Its main offerings include a suite of APIs for voice, messaging, and video, enabling developers to create and scale communication applications such as call centers and PBXs. SignalWire's services are designed to integrate and provide low-code solutions for various sectors including contact centers, education, and healthcare. It was founded in 2017 and is based in Palo Alto, California.

Plivo is a cloud communications platform that offers SMS and voice API solutions. The company provides APIs that allow businesses to send and receive text messages, integrate voice calling into applications, and engage customers across various channels. Plivo's services are used by sectors such as healthcare, finance, hospitality, retail, and government. It was founded in 2011 and is based in Austin, Texas.

Telnyx specializes in providing global solutions for communications, the Internet of Things (IoT), artificial intelligence (AI), and networking. It offers a suite of communication application programming interfaces (APIs), IoT device connectivity, and AI-powered applications, all underpinned by a global private network. Telnyx primarily serves sectors that require scalable and reliable cloud communication services, such as contact centers, patient monitoring systems, and marketing messaging platforms. It was founded in 2009 and is based in Chicago, Illinois.

Unifonic provides a customer engagement platform and operates in the communication and technology industry. The company offers a platform to integrate various communication channels, messaging apps, and chatbots to businesses for customer interactions and to build relationships. It primarily serves sectors such as banking and finance, government, healthcare, retail and electronic commerce, and transport and logistics. Unifonic was formerly known as Optimal Technology Solutions. It was founded in 2006 and is based in Riyadh, Saudi Arabia.

Stream provides communication and engagement solutions within the technology sector. The company offers application program interfaces (APIs) and software development kits (SDKs) for chat messaging, video and audio calling, and activity feeds, designed to integrate into applications. Stream's services cater to a variety of industries, including social networks, education, healthcare, and fintech, offering capabilities for developers to create interactive experiences. It was founded in 2015 and is based in Boulder, Colorado.

VoxImplant specializes in intelligent cloud communications within the cloud communications industry. The company offers a platform that integrates voice, video, messaging, and natural language processing to enhance business communications. VoxImplant primarily serves sectors that require advanced communication solutions, such as the contact center industry and businesses seeking to improve customer experience through innovative communication tools. VoxImplant was formerly known as Zingaya. It was founded in 2008 and is based in New York, New York.