| #1 | | | Banguecoque, Thailand | | 23+ tahun | — | — | — | International Organization for Standardization |
| #2 | | | Banguecoque, Thailand | | 29+ tahun | — | — | — | ISO 9001:2015 Quality management systems |
| #3 | | | Banguecoque, Thailand | | 37+ tahun | — | — | — | American Accreditation Commission International |
| #4 | | | Banguecoque, Thailand | | 42+ tahun | — | — | — | Joint Commission International , Royal College of Surgeons Thailand |
| #5 | | | Banguecoque, Thailand | | 46+ tahun | — | — | — | International Organization for Standardization, Joint Commission International |
| #6 | | | Pattaya, Thailand | | 36+ tahun | — | — | — | Joint Commission International , Certification according to DIN EN ISO 9001 by TÜV NORD CERT |