| Skcast Industry Co., Limited | Private company limited by shares | Live |
| SKCC INTERNATIONAL HONG KONG CO., LIMITED | Private company limited by shares | Dissolved |
| SKC-ENF Electronic Materials Limited | Private company limited by shares | Live |
| SKCESS INDUSTRIAL CO., LIMITED | | Live |
| SKCG LIMITED | Private company limited by shares | Live |
| SKCH LIMITED | Private company limited by shares | Live |
| SKCH 649 Limited | Private company limited by shares | Live |
| SKCH 652 Limited | Private company limited by shares | Live |
| SKCH 655 Limited | Private company limited by shares | Live |
| SKCH 659 Limited | Private company limited by shares | Live |
| SKCH 663 Limited | Private company limited by shares | Live |
| SKCH 667 Limited | Private company limited by shares | Live |
| SKCH 668 Limited | Private company limited by shares | Live |
| SKCH 670 Limited | Private company limited by shares | Live |
| SKCH 671 Limited | Private company limited by shares | Live |
| SKCH 673 Limited | Private company limited by shares | Live |
| SKCH 677 Limited | Private company limited by shares | Live |
| SKCH 678 Limited | Private company limited by shares | Live |
| SKCH 689 Limited | Private company limited by shares | Live |
| SKCH 690 Limited | Private company limited by shares | Live |
| SKCH 691 Limited | Private company limited by shares | Live |
| SKCH 1244RP Limited | Private company limited by shares | Live |
| SKCH 1244SA Limited | Private company limited by shares | Live |
| SKCH 1255 Limited | Private company limited by shares | Live |
| SKCH 1291 Limited | Private company limited by shares | Live |
| SKCH 1354 Limited | Private company limited by shares | Live |
| SKCH 1393 Limited | Private company limited by shares | Live |
| SKCH 1408 Limited | Private company limited by shares | Live |
| SKCH 1494 Limited | Private company limited by shares | Live |
| SKCH 653SA Limited | Private company limited by shares | Live |
| SKCH 653SB Limited | Private company limited by shares | Live |
| SKCH 654SA Limited | Private company limited by shares | Live |
| SKCH 664RP Limited | Private company limited by shares | Live |
| SKCH 664SA Limited | Private company limited by shares | Live |
| SKCH 665RP Limited | Private company limited by shares | Live |
| SKCH 665SA Limited | Private company limited by shares | Live |
| SKCH 666SA Limited | Private company limited by shares | Live |
| SKCH 676RP Limited | Private company limited by shares | Live |
| SKCH 676SA Limited | Private company limited by shares | Live |
| SKCH 693SA Limited | Private company limited by shares | Live |
| HYGIENE S&K(CHINA) CO., LIMITED | Private company limited by shares | Live |
| MEGA SKCN LIMITED | Private company limited by shares | Live |
| SK-Control Int'l Limited | Private company limited by shares | Live |