| S.No | Name of Company / Undertaking |
| 1 | West End 16 Pte. Limited (Singapore) |
| 2 | OBS Ophthalmics (Private) Limited |
| 3 | OBS Healthcare (Private) Limited |
| 4 | Aspin Pharma (Private) Limited |
| 5 | Aitkenstuart Pakistan (Private) Limited |
| 6 | Aklima CRO (Private) Limited |
| 7 | Muller & Phipps Pakistan (Private) Limited |
| 8 | OBS AGP (Private) Limited |