| JUST WALK ANIMAL HYDROTHERAPY COMPANY LIMITED | Private company limited by shares | Live |
| Asia Pacific Hydrotherapy Rehabilitation Research Center Limited | Private company limited by shares | Live |
| HYDROHEALTH COLON HYDROTHERAPY LIMITED | Private company limited by shares | Live |
| WATER-CUBE INT'L HYDROTHERAPY PLAN MANAGE GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Hydro-therapy Tutor Association Limited | Company limited by guarantee | Live |
| INT'L SWIMMING POOL HYDROTHERAPY GROUP LIMITED | Private company limited by shares | Dissolved |
| OASIS HYDROTHERAPY SYSTEMS LIMITED | Private company limited by shares | Live |
| Germany Slow Old Hydrotherapy Electrical Co., Limited | | Live |