They cover every ambulance trust in England.
Each is given a star rating from zero to three, and is assessed against a number of key targets and a range of indictors.
The targets include whether they responded to Category A calls, about life-threatening conditions, within the government target of eight minutes.
The indictors also looked at clinical negligence, patient experience, call answering times and response times for non-urgent cases.
| AMBULANCE TRUST | RATING |
| Avon Ambulance Service NHS Trust |  |
| Bedfordshire and Hertfordshire Ambulance and Paramedic Services NHS Trust |  |
| Coventry and Warwickshire Ambulance NHS Trust |  |
| Cumbria Ambulance Service NHS Trust |  |
| Dorset Ambulance NHS Trust |  |
| East Anglian Ambulance NHS Trust |  |
| East Midlands Ambulance Service NHS Trust |  |
| Essex Ambulance Service NHS Trust |  |
| Gloucestershire Ambulance Services NHS Trust |  |
| Greater Manchester Ambulance Service NHS Trust |  |
| Hampshire Ambulance Service NHS Trust |  |
| Hereford and Worcester Ambulance Service NHS Trust |  |
| Isle of Wight Healthcare NHS Trust |  |
| Kent Ambulance NHS Trust |  |
| Lancashire Ambulance Service NHS Trust |  |
| Lincolnshire Ambulance and Health Transport Service NHS Trust |  |
| London Ambulance Service NHS Trust |  |
| Mersey Regional Ambulance Service NHS Trust |  |
| North East Ambulance Service NHS Trust |  |
| Oxfordshire Ambulance NHS Trust |  |
| Royal Berkshire Ambulance Service NHS Trust |  |
| South Yorkshire Ambulance Service NHS Trust |  |
| Staffordshire Ambulance Service NHS Trust |  |
| Surrey Ambulance Service NHS Trust |  |
| Sussex Ambulance Service NHS Trust |  |
| Tees East and North Yorkshire Ambulance Service NHS Trust |  |
| Two Shires Ambulance NHS Trust |  |
| West Midlands Ambulance Service NHS Trust |  |
| West Yorkshire Metropolitan Ambulance Service NHS Trust |  |
| Westcountry Ambulance Services NHS Trust |  |
| Wiltshire Ambulance Service NHS Trust |  |