Genasys 

Genasys Inc. a global provider of critical communications hardware and software solutions worldwide. The company operates through two segments, Hardware and Software. It provides long range acoustic devices, such as acoustic hailing devices which are used to project sirens and audible voice messages; and Genasys Emergency Management, a software-based product line. The company also offers National Emergency Warning Systems, a software application that works with mobile carriers to send emergency communications to the public; Integrated Mass Notification Systems, an emergency response solution, uniting GEM Software and Genasys speaker system hardware; and GEM software to emails, voice calls, text messages, panic buttons, desktop alerts, television, social media, and others. It sells its products directly to governments, militaries, end-users, and commercial companies. The company was formerly known as LRAD Corporation. Genasys Inc. is based in San Diego, California.