Zoom Video Communications, Inc. provides unified communications platform in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. The company offers Zoom Meetings that offers HD video, voice, chat, and content sharing through mobile devices, desktops, laptops, telephones, and conference room systems; Zoom Phone, an enterprise cloud phone system; and Zoom Chat enables users to share messages, images, audio files, and content in desktop, laptop, tablet, and mobile devices. It also provides Zoom Rooms, a software-based conference room system; Zoom Conference Room Connector, a gateway for SIP/H.323 endpoints to join Zoom meetings; Zoom Events, which enables users to manage and host internal and external virtual events; OnZoom, a prosumer-focused virtual event platform and marketplace for Zoom users to create, host, and monetize online events; and Zoom Webinars to provide video presentations to large audiences from many devices. In addition, the company offers Zoom Developer Platform that enables developers, platform integrators, service providers, and customers to build apps and integrations using Zoom's video-based communications solutions, as well as integrate Zoom's technology into their products and services; Zoom App Marketplace, which helps developers to publish their apps, as well as third-party integrations of Zoom; and Zoom Contact Center, an omnichannel contact center solution. It serves individuals; and education, entertainment/media, enterprise infrastructure, finance, government, healthcare, manufacturing, non-profit/not for profit and social impact, retail/consumer products, and software/Internet industries. The company was formerly known as Zoom Communications, Inc. and changed its name to Zoom Video Communications, Inc. in May 2012. The company was incorporated in 2011 and is headquartered in San Jose, California.

Insight Enterprises, Inc., together with its subsidiaries, provides information technology, hardware, software, and services in the United States and internationally. The company offers modern platforms/infrastructure that manages and supports cloud and data platforms, modern networks, and edge technologies; cybersecurity solutions automates and connects modern platform securely; data and artificial intelligence modernizes data platforms and architectures, and build data analytics and AI solutions; modern workplace and apps; and intelligent edge solutions that gathers and utilizes data for real-time decision making. It also provides software maintenance solutions that offers clients to obtain software upgrades, bug fixes, help desk, and other support services; vendor direct support services contracts; and cloud/software-as-a-service subscription products. In addition, the company designs, procures, deploys, implements, and manages solutions that combine hardware, software, and services to help businesses. It serves construction, esports, financial services, health care and life sciences, manufacturing, retail and restaurant, service providers, small to medium business, and travel and tourism industries. Insight Enterprises, Inc., was founded in 1988 and is headquartered in Chandler, Arizona.

RingCentral, Inc., together with its subsidiaries, provides cloud communications, video meetings, collaboration, and contact center software-as-a-service solutions worldwide. The company's products include RingCentral Message Video Phone that provides a unified experience for communication and collaboration across multiple modes, including HD voice, video, SMS, messaging and collaboration, conferencing, online meetings, and fax; RingCentral Contact Center, a collaborative contact center solution that delivers AI-powered omnichannel and workforce engagement solutions with integrated RingCentral MVP; and RingCX, an AI-powered contact center that a native delivers omnichannel experience. It provides RingCentral Video, a video meeting service that includes the company's RCV video and team messaging capabilities; offers video and audio conferencing, team messaging, file sharing, contact, task, and calendar management, as well as pre-meeting, in-meeting, and post-meeting capabilities. In addition, the company offers RingCentral Professional Services, which include consultation, UCaaS and CCaaS implementation, VoIP phone system adoption, configuring custom workflows, customer and user onboarding, ongoing support, advanced support, managed services, and more. It serves a range of industries, including financial services, education, healthcare, legal services, real estate, retail, technology, insurance, construction, hospitality, state and local government, and others. It sells its products to enterprise customers, as well as small and medium-sized businesses through resellers and distributors, partners, and global service providers. RingCentral, Inc. was incorporated in 1999 and is headquartered in Belmont, California.

Ribbon Communications Inc. provides communications technology in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. It operates through two segments, Cloud and Edge, and IP Optical Networks. The Cloud and Edge segment provides software and hardware products, solutions, and services for voice over internet protocol communications, voice over long-term evolution, and voice over 5G communications, and unified communications and collaboration. It also offers session border controllers; and network transformation products, such as signaling products, call controllers, media gateways, and application servers. This segment serves private, public, or hybrid cloud infrastructures, as well as data centers, enterprise premises, and service provider networks. The IP Optical Networks segment provides hardware and software products and solutions for IP networking, switching, routing, and optical transport for technologies, such as 5G, distributed cloud computing, and corresponding applications. It also offers multiple solutions, including 5G-native solutions for mobile-backhaul, metro and edge aggregation, core networking, data center interconnect, multi-service access, and transport solutions for wholesale carriers. This segment serves utilities, government, defense, finance, transportation, and education and research industries, as well as service providers and enterprises. The company was formerly known as Sonus Networks, Inc. and changed its name to Ribbon Communications Inc. in November 2017. Ribbon Communications Inc. was founded in 1997 and is headquartered in Plano, Texas.

Bandwidth Inc. operates as a cloud-based software-powered communications platform-as-a-service (CPaaS) provider in North America and internationally. The company's platform enables enterprises to create, scale, and operate voice or messaging communications services across various mobile applications or connected devices. Its platform also provides voice services, which include powering calling plans within cloud communications platforms, embedding click-to-call feature, and transitioning from traditional premise focused communications to cloud based services; messaging application programming interfaces (API), such as automated real-time notification and alerts, two-factor authentication, and group messaging; emergency services, including dynamic location routing, emergency calling API, and emergency notification API; phone numbers services consisting of global number management and programmatically port up to 20,000 numbers simultaneously; insights services comprising understand and solve for deliverability issues, and real-time call quality analytics, as well as track trends, benchmarks, and usage; and bring your own carrier with contact center as a service and unified communications as a service (UCaaS) integrations, such as UCaaS integration for Microsoft Teams, direct routing and dynamic E911, Microsoft Teams operator connect, and send-to SMS web applications. In addition, the company offers Call Assure, Application to Person, Bandwidth Maestro, and AIBridge. It serves technology companies, enterprise customers, and software-as-a-service platforms. The company was formerly known as Bandwidth.com, Inc. and changed its name to Bandwidth Inc. in September 2017. Bandwidth Inc. was founded in 1999 and is headquartered in Raleigh, North Carolina.

Sangoma Technologies Corporation, together with its subsidiaries, develops, manufactures, distributes, and supports voice and data connectivity components for software-based communication applications in the United States of America and internationally. The company offers communications platforms comprising pure cloud and hybrid unified communications as a service, and on-premises systems; retail and wholesale SIP trunking, as well as fax as a service; Sangoma TeamHub, a unified communications and collaboration platform for business productivity; Sangoma Meet, a multi-party video conferencing platform; and Sangoma CX, a cloud-native contact center suite that enables businesses to manage inbound interactions across multiple channels. It also provides productivity apps comprising appointment suite, call flow, curbside, phone monitor, send, and urgent notify; managed security services, such as antispam, web filtering, antivirus, botnet and domain reputation, app control and intrusion prevention system services, and managed firewall device; and network management solutions, including managed internet, VPN, and SD-WAN, as well as secure Wi-Fi access points. In addition, the company offers open-source software products, such as Asterisk, an open-source framework for building real-time and multi-protocol communications applications; FreePBX, a web-based open-source GUI for controlling and managing Asterisk; and PBXact, a commercial UC system. Further, it provides desktop and wireless phones, network connectivity hardware, wireless and wired headsets, accessories, analog and digital telephony cards, and Wi-Fi access points; and session border controllers, VoIP gateways, and PSTN interface and media processing boards. The company serves distributors, resellers, enterprises, original equipment manufacturers service providers, and end users comprising small, mid-sized, and large businesses. Sangoma Technologies Corporation is headquartered in Markham, Canada.

Comtech Telecommunications Corp., together with its subsidiaries, engages in the provision of next-gen telecommunication solutions in the United States and internationally. The company operates through Satellite and Space Communications; and Terrestrial and Wireless Networks segments. The Satellite and Space Communications segment offers satellite ground station technologies, services and system integration that facilitates the transmission of voice, video, and data over GEO, MEO and LEO satellite constellations, including solid-state and traveling wave tube power amplifiers, modems, VSAT platforms, and frequency converters; and satellite communications and tracking antenna systems, including high precision full motion fixed and mobile X/Y tracking antennas. This segment also provides over-the-horizon microwave troposcatter equipment that can transmit digitized voice, video, and data over distances up to 200 miles using the troposphere and diffraction, including the Comtech; and solid-state, RF microwave high-power amplifiers and control components, as well as engages in the procurement and supply chain management of electrical, electronic, and electromechanical parts for satellite, launch vehicle, and manned space applications. The Terrestrial and Wireless Networks segment offers next generation 911 solutions, which includes emergency call routing, location validation, policy-based routing rules, logging, and security functionality; emergency services IP network transport infrastructure for emergency services communications and support; call handling applications for public safety answering points; wireless emergency alerts solutions for network operators; and software and equipment for location-based and text messaging services for various applications including for public safety, commercial, and government services. Comtech Telecommunications Corp. was founded in 1967 and is headquartered in Chandler, Arizona.

Oblong, Inc., together with its subsidiaries, provides multi-stream collaboration technologies and managed services for video collaboration and network applications in the United States and internationally. The company operates in two segments, Collaboration Products and Managed Services. Its flagship product is Mezzanine that enables visual collaboration across multi-users, multi-screens, multi-devices, and multi-locations for video telepresence, laptop and application sharing, and whiteboard sharing and slides applications. The company also provides managed videoconferencing services; and remote service management, which offers an overlay to enterprise information technology and channel partner support organizations, as well as support and management services for customer video environments. In addition, it provides network solutions, including Cloud Connect: Video that allows its customers to outsource the management of their video traffic to them and provides the customer's office locations with a secure, dedicated video network connection to the Oblong Cloud for video communications; Cloud Connect: Converge, which offers customized multiprotocol label switching solutions; and Cloud Connect: Cross Connect that allows the customer to leverage existing carrier for the extension of a Layer 2 private line to its data center. The company serves a range of industries comprising aerospace, consulting, executive search, broadcast media, legal, insurance, technology, financial services, education, healthcare, real estate, retail, construction, hospitality, and others, as well as government sector. Oblong, Inc. is based in Denver, Colorado.