| Ambulance Services |
102 |
| Apollo Hospital | 8294749 |
| Apollo Medical Centre-6 | 8290792 |
| Aysha Hospital-10 | 6423786 / 6930 |
| Balaji Hospital-32 | 2343863 / 5282 |
| CAN STOP (Cancer Support Helpline) | 6284256 |
| Chennai Kaliappa | 4936098 / 6125 |
| Child Trust Hospital-34 | 8277487 / 5279 |
| CSI Rainy Hospital | 5951329 |
| Devaki Hospital | 4992607 / 0788 |
| Hindu Mission Hospital | 2367711 |
| Helping point | 8280257 |
| Jayadev Ambulance Service | 6412317 |
| K. J. Hospital | 6411513 / 15/17 |
| Madras Medical Mission | 6259801 |
| MIOT Accident Rescue - 26 | 4847802 |
| M. V. Hospital | 5954913 / 14/15 |
| Malar Hospitals Ltd - 20 | 4914657/4369 |
| National Hospital-1 | 511405 / 408 |
| Rotary Medical Centre - 58 | 6258616 |
| Sampath Nursing Home | 4980602 |
| Sankara Nethralaya | 8271616 / 9435 |
| Sheeba Nursing Home | 5379055 / 1219 |
| Sri Ramachandra Emergency Medical Service | 4768403 |
| St. John's Ambulance Association | 826430 / 8255707 |
| St. Isabel Hospital | 4991081 / 1082 |
| Sundaram Medical Foundation | 6268844 |
| Tamil Nadu Hospital | 2375221 / 5225 |
| Trauma care consortium | 8230700 |
| Voluntary Health Service | 2353971 |
| Wellington Hospital | 8276893 |