A public safety service the US government provides is police officers.
In the United States, a department of Public Safety refers to a state or local government agency which often includes a wide range of responsibilities, such as:
Fire services which provides fire prevention and suppression.
Rescue services which grants rescue services.
Ambulance and emergency medical services (EMS) which gives emergency medical care as well as transportation
Policing Services: provides law enforcement, community policing and outreach, among others.