Types of security police and similar organizations: Security police may include: Campus police, who are often hired and sworn in as state law enforcement officers, such as the Los Angeles School Police Department or City University of New York Public Safety Department Housing police, such as the New York City Housing Authority Police Department, who protect publicly owned housing or "housing projects" Airport police such as the Los Angeles Airport Police Hospital police such as the New York City Department of Health and Hospitals Police Park police, with full state police officer powers such as the New York State Park Police, who primarily protect the often vast properties of their employing agency Certain federal police agencies such as the U. S. Capitol Police, whose officers are sworn in as federal law enforcement officers with the duty to provide police and security services to federally owned buildings. Capitol police, who protect state properties such as legislative and executive buildings, which can also include executive protection functions County police, such as the former Los Angeles County Office of Public Safety, who provide full, limited or restricted services to local governments Special police, in the protection of public properties, such as the United States Holocaust Memorial Museum which is protected by sworn Special Police Officers as authorized by D. C. Code, § 4-114 (1981) Court officers, such as New York State Court Officers, who provide police and security services at court houses Company police to provide security police services on company or private property by contract, where local law permits private organizations to contract for police powers; this for example includes railway police