| Harley Street Ambulance Service Ltd | | Unit 8, London Group Business Park, 715 North Circular Rd, NW2 | 020 8208 4440 | Private ambulance company - transport of patients and medical equipment, doctor's emergency car service.
| | London Ambulance Service | | St Andrews House, St Andrews Way, E3 | 020 7921 5100 | The largest free ambulance service in the world, caring for more than one and a half million patients every year.
| | Medical Despatch Ambulance Services Ltd | | Suite 401, 302 Regent St, W1 | 0870 443 9393 | | Private ambulance and event medical service in Greater London and the Southeast. | |
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