Here is a list of police authorities and fire brigades which hold Crystal Marks, with a link to their websites. The links below will open in a new browser window.
- Avon and Somerset Police Authority
- British Transport Police
- City of London Police
- Derbyshire Police
- Dyfed Powys Police Service
- Greater Manchester Police Authority
- Humberside Police
- London Fire Brigade
- Lothian and Borders Police
- Merseyside Police
- Metropolitan Police Services
- National Policing Improvement Agency (NPIA)
- Northern Ireland Policing Board
- North Yorkshire Police
- Police Ombudsman for Northern Ireland
- Police Service of Northern Ireland
- Staffordshire Police
- Surrey Police
- Tayside Police
- Wiltshire Constabulary
- West Midlands Fire Service
- West Midlands Police
