| S.I.S. SYSTEMS (ASIA-PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| Sis. Cache Company Limited | Private company limited by shares | Live |
| SIS' COFFEE & HAIR LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SI'S FURNITURE CO., LIMITED | Private company limited by shares | Live |
| sis. int'l Limited | Private company limited by shares | Live |
| SISA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sisal Limited | | Live |
| SUNSHINE SISAL & TRADING CO., (HK) LIMITED | Private company limited by shares | Dissolved |
| Sisam Limited | Private company limited by shares | Live |
| Sisan Limited | Private company limited by shares | Live |
| SISBRO DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SISBRO (HK) JEWELRY & PACKING CO., LIMITED | Private company limited by shares | Live |
| SISBRO INTERNATIONAL (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| SISBRO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SISBRO PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Live |
| SISBROLIFE COMPANY LIMITED | | Live |
| SISCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SISCO SUN LIMITED | Private company limited by shares | Live |
| SISCO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SISCO INC. LIMITED | Private company limited by shares | Dissolved |
| SISCO PROPERTIES LIMITED | Private company limited by shares | Live |
| SISCO SUCCESS LIMITED | Private company limited by shares | Dissolved |
| SISCOM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SisCom Decorative Lighting Co., Limited | Private company limited by shares | Live |
| Siscomm Limited | Private company limited by shares | Live |
| SISDOO ARCHITECTURE & INTERIORS DESIGN LIMITED | Private company limited by shares | Live |
| SISE LIMITED | Private company limited by shares | Live |
| HongKong Sise Trading Co., Limited | Private company limited by shares | Live |
| SISEA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SI-SEA INTERNATIONAL ENTERPRISES DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SISEL LIMITED | Private company limited by shares | Dissolved |
| SISEL CAPITAL LIMITED | Private company limited by shares | Live |
| SISEY CO. Limited | | Live |
| SISGUIDE LIMITED | Private company limited by shares | Live |
| SISHANG COMPANY LIMITED | Private company limited by shares | Live |
| HK SiShang Jewelry Co., Limited | | Live |
| Sishang Group Limited | Private company limited by shares | Live |
| HK NEW SISHANG INT'L DINING LIMITED | Private company limited by shares | Dissolved |
| SISHANG INT'L HK HOLDINGS LIMITED | Private company limited by shares | Live |
| SISHANG TRADING LIMITED | Private company limited by shares | Live |
| SISHEI HK LIMITED | Private company limited by shares | Dissolved |
| SISHINE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HK SiShun Trade Co., Limited | Private company limited by shares | Live |
| SISI Limited | Private company limited by shares | Live |
| SISI ACCESSORIES COMPANY LIMITED | Private company limited by shares | Live |
| SISI GAIN LIMITED | Private company limited by shares | Dissolved |
| Sisi Holding Limited | Private company limited by shares | Live |
| SISICOM INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SISIHUNG LIMITED | | Live |
| SIsilk Limited | | Live |
| SISIM CHINA LIMITED | Private company limited by shares | Dissolved |
| Sisimae Limited | Private company limited by shares | Dissolved |
| SISIMAN STEAMSHIP COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SISIMI TRADING LIMITED | Private company limited by shares | Live |
| VANE'S SISING WORKS LIMITED | Private company limited by shares | Dissolved |
| SISION COMPANY LIMITED | Private company limited by shares | Live |
| Sisipark Company Limited | Private company limited by shares | Live |
| Sisipsong Limited | Private company limited by shares | Live |
| SISITERS SHOPPING TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SISIXIN TRADE LIMITED | Private company limited by shares | Live |
| KOREA SISIXINDONG CLOTHING LIMITED | Private company limited by shares | Dissolved |
| SISKA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SISKELI GLOBAL LIMITED | Private company limited by shares | Live |
| Sisland Company Limited | Private company limited by shares | Live |
| SISLEY LIMITED | | Live |
| SISLEY BEAUTY LIMITED | Private company limited by shares | Live |
| SISLEY BOOKSTORE LIMITED | Private company limited by shares | Live |
| SISLEY FAR EAST LIMITED | Private company limited by shares | Dissolved |
| Sisley Fashion Co., Limited | Private company limited by shares | Live |
| SISLEY BEAUTY GROUP LIMITED | | Live |
| SISLEY HONG KONG LIMITED | Private company limited by shares | Live |
| FRANCE SISLEY GROUP INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SISLI TRADING LIMITED | Private company limited by shares | Dissolved |
| Sislink International Limited | Private company limited by shares | Dissolved |
| SISMA CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Sisman Limited | Private company limited by shares | Live |
| SisMedi Company Limited | | Live |
| SISMIQUE LIMITED | Private company limited by shares | Live |
| SISNer Solution Limited | Private company limited by shares | Live |
| SISO LIMITED | Private company limited by shares | Dissolved |
| SISO FL Lab Limited | Private company limited by shares | Live |
| SISO CO., LIMITED | Private company limited by shares | Live |
| Si-Soar Company Limited | Private company limited by shares | Live |
| SISON LIMITED | Private company limited by shares | Dissolved |
| SISON ZI LIMITED | Private company limited by shares | Live |
| SISON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sisonmad Limited | | Live |
| SISOSU CO., LIMITED | Private company limited by shares | Live |
| SISPC LIMITED | Private company limited by shares | Dissolved |
| SISPONY INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SISS LIMITED | Private company limited by shares | Dissolved |
| BY SISS LIMITED | Private company limited by shares | Live |
| SISSAN LIMITED | Private company limited by shares | Dissolved |
| SISSCONS LIMITED | Private company limited by shares | Live |
| Sissee Limited | Private company limited by shares | Dissolved |
| SISSEL HK LIMITED | | Live |
| SISSETON LIMITED | Private company limited by shares | Dissolved |
| SISSI & MIU LIMITED | Private company limited by shares | Dissolved |
| FRANCE SISSI (HK) HEALTH INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| KOREA SISSI INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |