Dictionary.net

A corporation, such as a railroad company, lighting company, water company, etc., organized or chartered to follow a public calling or to render services more or less essential to the general public convenience or safety.

A corporation, such as a railroad company, lighting company, water company, etc., organized or chartered to follow a public calling or to render services more or less essential to the general public convenience or safety.

A government regulated company that is not owned by the government but is owned privately. An example would be that of a federal contractor working for the Navy.