| Name | Class | County | Type | Valid Year | Status |
|---|---|---|---|---|---|
| OPTIMAL FAMILY LIMITED | E | THARAKA NITHI | 2 | 2026 | ACTIVE |
| OPTIMA CREST HOSPITAL LIMITED | C | WAJIR | 2 | 2026 | ACTIVE |
| OPILAB MEDICARE | B | KITUI | 2 | 2026 | ACTIVE |
| OPAMO MEDICAL LAB | B | NYAMIRA | 2 | 2026 | ACTIVE |
| ONSARE MEDICAL CLINIC | B | KISII | 2 | 2026 | ACTIVE |
| ONE HEALTH LIMITED | E | NAIROBI | 2 | 2026 | ACTIVE |
| OMOYA MEDICAL CENTRE | C | HOMA BAY | 2 | 2026 | ACTIVE |
| ALIBRAR MEDICAL CENTRE LIMITED | C | NAIROBI | 2 | 2026 | ACTIVE |
| OMESOLOSHO KENYA MEDICAL LABORATORY SERVICES | B | NAROK | 2 | 2026 | ACTIVE |
| OLYMPUS MEDICAL CENTRE LIMITED | E | SIAYA | 2 | 2026 | ACTIVE |