| No | Unit | Jumlah |
| 1 | BOD | 3 |
| 2 | HEAD OFFICE | 75 |
| - HEAD OFFICE | 59 | |
| - DPB di PT GRAHA PERDANA MEDIKA | 16 | |
| 3 | RUMAH SAKIT PETROKIMIA GRESIK | 433 |
| 4 | RS GRHA HUSADA | 146 |
| 5 | RSPG DRIYOREJO | 166 |
| TOTAL | 823 |
- PT.PETRO GRAHA MEDIKA
- Main office: Jl.AYANI NO.69, GRESIK
- Call us Phone: (031) 3978658, (031) 3977666