| PILLARS TECHNICAL & MANAGEMENT SERVICE LIMITED | Private company limited by shares | Dissolved |
| THREE PILLARS LIMITED | Private company limited by shares | Live |
| THREE PILLARS INVESTMENT LIMITED | Private company limited by shares | Live |
| TWIN PILLARS INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PILLARSTONE ENGINEERING LIMITED | | Live |
| PILLAY LIMITED | Private company limited by shares | Live |
| Pillepp Company Limited | Private company limited by shares | Live |
| MAISON PILLET LIMITED | Private company limited by shares | Live |
| Asia Pilling Machinery Co., Limited | Private company limited by shares | Live |
| PILLINGSTOCK LIMITED | Private company limited by shares | Dissolved |
| PILLION LIMITED | Private company limited by shares | Dissolved |
| PILLION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PILLIP HK CO., LIMITED | Private company limited by shares | Live |
| Pillooo Limited | | Live |
| DR. PILLOW COMPANY LIMITED | Private company limited by shares | Live |
| Pillow & Pen Limited | | Live |
| LYL Pillowbook Limited | Private company limited by shares | Live |
| Pillow-Fit International Inc. Limited | Private company limited by shares | Live |
| Pillowtalk Restaurant and Bar Limited | Private company limited by shares | Live |
| CANDY PILLS LIMITED | Private company limited by shares | Live |
| PILLSBURY LAW HONG KONG SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| Pillstoyoffical Limited | | Live |
| Pillz Asia Limited | | Live |