United States law enforcement decorations are awarded by the police

Police

The police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...

 forces of the United States of America. Since the United States has a decentralized police force, with separate independent departments existing on the state and local level, there are literally thousands of law enforcement decorations in existence.

Typically, law enforcement decorations are bestowed by a particular police department and may only be worn and displayed while a police officer is serving as a member of that particular law enforcement activity.