| Lancashire Fire & Rescue Service |
| Leicestershire Fire & Rescue Service |
| London Fire Brigade |
| Merseyside Fire & Rescue Service |
| National Fire Chiefs Council (NFCC) |
| Norfolk Fire & Rescue Service |
| Northamptonshire Fire & Rescue Service |
| North Yorkshire Fire & Rescue Service |
| Northern Ireland Fire & Rescue Service |
| Nottinghamshire Fire & Rescue Service |
| Northumberland Fire & Rescue Service |
| Oxfordshire Fire & Rescue Service |
| Royal Berkshire Fire & Rescue Service |
| Scottish Fire & Rescue Service |
| Shropshire Fire & Rescue Service |
| South Yorkshire Fire & Rescue Service |
| Staffordshire Fire & Rescue Service |
| Suffolk Fire & Rescue Service |
| Surrey Fire & Rescue Service |
| Say So - Anonymous reporting service |
| Tyne & Wear Fire & Rescue Service |
| Warwickshire Fire & Rescue Service |
| West Midlands Fire Service |
| Mid Wales Fire & Rescue Service |
| West Sussex Fire & Rescue Service |
| West Yorkshire Fire & Rescue Service |
| Talent - Keeping the UK & Ireland’s Communications Assets & Data Connected & Protected |