Everbridge Inc., which has made Burlington its home base since its founding in 2001, provides risk-alert mass notification systems in Massachusetts, as well as nationally and internationally. Its software allows companies to talk to their employees in moments of crisis, and governments to manage crowds, announce curfews and provide COVID-19 vaccine information. The company currently has 5,400 global customers, who rely on the software's capabilities during public safety threats such as active shooter situations, terrorist attacks or severe weather conditions, as well as business events such as cyberattacks, IT outages or product recalls.