| Blood Bank | Telephone | |
| Aa Lab Services | 28270930 | |
| Apollo Hospitals | 28294870 | |
| Bulls Eye Blood Bank | 26421341 | |
| Cancer Institute | 22350241/2350131 | |
| Child Trust Hospital | 28259601/28259593 | |
| Csi Rainy Hospital | 25955902/1329/1204 | |
| Devaki Hospital Blood Bank | 24992607/0788 | |
| Govt Kasturbha Gandhi Hospital | 28545001 | |
| Govt Royapettah Hospital | 28533051 | |
| Govt Stanley Hospital Blood Bank | 25214941 | |
| Indian Red Cross Society | 28554425 | |
| Institute Of Child Health And Hospital | 28251135 | |
| Institute Of Obestetrics and Gynaecology and Hospital For Women and Children | 28252685 | |
| Janseva Blood Services | 24835401/3051 | |
| Jeevan Blood Bank | 28220494 | |
| K J Hospital | 26412514 | |
| Kilpauk Medical College Hospital | 28255331 | |
| Lions Blood Bank | 28414949 | |
| Madras Clinical Research Lab | 28252080 | |
| Madras Medical Mission | 26565961 | |
| Madras Port Trust Hospital | 25362201 | |
| Rotary Blood Bank Vijaya Hospital | 24881392 | |
| Sri Ramachandra Hospital Blood Bank | 24768017 | |
| Suhrudaya Clinical Laboratories | 24993759 | |
| Tamil Nad Hospital Ltd | 22377707 | |
| Voluntary Health Services (VHS) | 22541972 | |