Tabernacle Police Salisbury Cathedral Constables (1611–1836; constables continued to be appointed until 2010) Departmental constabularies Merged to form the Admiralty Constabulary in 1949. Royal Marine Police Royal Marine Police Reserve Admiralty Civil Police Merged to form the Ministry of Defence Police in 1974. Admiralty Constabulary Air Force Department Constabulary Air Ministry Constabulary – merged into Air Force Department Constabulary 1964 Army Department Constabulary Markets Birmingham Market Police Liverpool Markets Police Manchester Market Police Miscellaneous British Legion Volunteer Police Force Eton College Police (1859–1892) Oxford University Police Cambridge University Constabulary National National Crime Squad National Criminal Intelligence Service UK Atomic Energy Authority Constabulary (reconstituted as Civil Nuclear Constabulary) Parks London Barking and Dagenham Parks Constabulary Brent Parks Constabulary Greenwich Parks Constabulary Haringey Parks Constabulary London County Council Parks Police (1889–1908) Newham Community Constabulary (1998–2009) Redbridge Parks Police Royal Parks Constabulary – abolished only in England and Wales Southwark Parks Constabulary Sutton Parks Constabulary Non-London Brighton Parks Police (1963–1990s) Birmingham Parks Police (1912–1962) Liverpool Parks Police (1882–1972) Manchester Park Police (Manchester Recreational Services Department Police) Wirral Parks Police Birkenhead Parks Police – became Wirral Parks Police in 1974 Non-police law enforcement agencies Assets Recovery Agency Border and Immigration Agency Her Majesty's Customs and Excise National Hi-Tech Crime Unit Waterguard References External links Cleveland Devon and Cornwall Kent Leicestershire Thames Valley West Midlands West Yorkshire Defunct law enforcement agencies of the United Kingdom Defunct List of former police forces in the United Kingdom Lists of law enforcement agencies Law agencies defunct