| Name | Class | County | Type | Valid Year | Status |
|---|---|---|---|---|---|
| OPTIMUM CURRENT HEALTH CARE LTD | E | NAKURU | 2 | 2026 | ACTIVE |
| OPTIMUM CARE HOSPITAL LIMITED | C | WAJIR | 2 | 2026 | ACTIVE |
| OPTIMAL FAMILY LIMITED | E | THARAKA NITHI | 2 | 2026 | ACTIVE |
| OPTIMA CREST HOSPITAL LIMITED | C | WAJIR | 2 | 2026 | ACTIVE |
| AMAKURIAT DISPENSARY | C | WEST POKOT | 2 | 2026 | ACTIVE |
| OPILAB MEDICARE | B | KITUI | 2 | 2026 | ACTIVE |
| OPENCLINIC MEDICAL CENTER LIMITED | B | KISII | 2 | 2026 | ACTIVE |
| OPAMO MEDICAL LAB | B | NYAMIRA | 2 | 2026 | ACTIVE |
| ONSARE MEDICAL CLINIC | B | KISII | 2 | 2026 | ACTIVE |
| ONEWAYWISE HEALTH SERVICES LIMITED | E | MAKUENI | 2 | 2026 | ACTIVE |