Zello
Software DevelopmentTexas, United States51-200 Employees
Zello is a software development company based in Austin, Texas, with about 51 to 200 employees. It develops a digital walkie-talkie application that converts smart devices into push-to-talk devices, featuring unlimited private channels, message replay, location tracking, and emergency alerts, with real-time voice communications over Wi-Fi and cellular networks. The platform is used across more than 200 countries and delivers over 10 billion messages per month. Zello emphasizes frontline communication and support for first responders in crisis situations, and has pursued integrations and product expansions with partners such as Northrock Systems and LMC Systems in 2025–2026, including a QR Assist feature unveiled at NRF 2026. The company has a history of product developments such as the Zello Kiosk, introduced in June 2022, and maintains a website at zello.com.