| SING LOK PHARMA CONSULTANTS LIMITED | Private company limited by shares | Live |
| WAH SING PHARMACEUTICAL LIMITED | Private company limited by shares | Live |
| SING WAI PIANO COMPANY LIMITED | Private company limited by shares | Live |
| SING SONG PIANO COMPANY LIMITED | Private company limited by shares | Live |
| YIU SING PIECE GOODS LIMITED | Private company limited by shares | Dissolved |
| SING HING PIECE GOODS LIMITED | Private company limited by shares | Dissolved |
| WING SING PIECE GOODS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PINE SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SING PING COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| SING PING ENG. LIMITED | Private company limited by shares | Live |
| SUN SING PING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING PING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING PING ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| SING PING GROUP LIMITED | Private company limited by shares | Dissolved |
| SING PING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ngai Sing Pipeline Engineering Company Limited | Private company limited by shares | Live |
| Ho Sing Planning Limited | Private company limited by shares | Live |
| SING FAT PLASTIC LIMITED | Private company limited by shares | Dissolved |
| SING YAN PLASTIC CO. LIMITED | Private company limited by shares | Live |
| Ming Sing Plastic Bag Factory Limited | Private company limited by shares | Live |
| SING KWONG PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SING KWONG PLASTIC MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| KONG SING PLASTIC PRODUCTS ADVERTISING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| NGAI SING PLASTIC WORKS LIMITED | Private company limited by shares | Dissolved |
| NAN SING PLASTICS LIMITED | Private company limited by shares | Live |
| NAN SING PLASTICS (RAW MATERIALS) LIMITED | Private company limited by shares | Dissolved |
| NAN SING PLASTICS (PURCHASING) LIMITED | Private company limited by shares | Dissolved |
| NAN SING PLASTICS (RESOURCES) LIMITED | Private company limited by shares | Dissolved |
| NAN SING PLASTICS (SUPPLIES) LIMITED | Private company limited by shares | Dissolved |
| NAM SING P.L.B. LIMITED | Private company limited by shares | Dissolved |
| SING YIP POLYBAGS CO., LIMITED | Private company limited by shares | Live |
| WAH SING POLY-BAGS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| HIP SING POLYESTER RESIN FOAM MANUFACTURER COMPANY LIMITED | Private company limited by shares | Live |
| CHARM SING POLYETHYLENE PRODUCT COMPANY LIMITED | Private company limited by shares | Live |
| HIP SING POLYFOAM COMPANY LIMITED | Private company limited by shares | Live |
| SING HOME POLYFOAM COMPANY LIMITED | Private company limited by shares | Live |
| SING PONG (CHINA) LIMITED | Private company limited by shares | Live |
| WUI PONG SING TRADING LIMITED | Private company limited by shares | Live |
| SING POWER LIMITED | Private company limited by shares | Dissolved |
| Sing Fai Precision Co. Limited | Private company limited by shares | Live |
| SING TO PREMIUM LIMITED | Private company limited by shares | Dissolved |
| YIU SING (PREMIUMS) LIMITED | Private company limited by shares | Dissolved |
| TAT SING GARMENT LAUNDRY PRESSING MACHINERY COMPANY LIMITED | Private company limited by shares | Live |
| HIP SING PRINTING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TIN SING PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING TAK PRINTING INK COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT SING PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| SING MAN 3D PRINTING LIMITED | Private company limited by shares | Dissolved |
| SING FAI ASIA PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| WING SING DESIGN PRINTING BOX COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING KEE PRINTING FACTORY LIMITED | Private company limited by shares | Live |
| HANG SING PRINTING PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAU SING INTERNATIONAL PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| TAK SING LABEL PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| WAH SING LABELS (PRINTING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT SING PRINTING MACHINERY LIMITED | Private company limited by shares | Dissolved |
| YAT SING PAPER PRINTING CO. LIMITED | Private company limited by shares | Live |
| MEE SING CINEMA, FILM PRODUCING AND PRINTING COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| YUEN SING PRINTING & PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| TACK SING PRINTING AND CAN MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING PRINTING HK LIMITED | Private company limited by shares | Dissolved |
| SING Grains & Oils Processing Limited | Private company limited by shares | Live |
| YAT SING MARINE PRODUCT LIMITED | Private company limited by shares | Dissolved |
| SUN SING PAPER PRODUCT (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| TUNG SING METAL PRODUCT FACTORY LIMITED | Private company limited by shares | Live |
| WING SING PRODUCT LIMITED | Private company limited by shares | Live |
| YAU SING PO PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| PO SING PRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SING SING PRODUCTION LIMITED | Private company limited by shares | Live |
| Sing Up Production Limited | Private company limited by shares | Live |
| SING WUI PRODUCTION LIMITED | Private company limited by shares | Live |
| TAT SING PRODUCTION LIMITED | | Live |
| Sing Ho Production Limited | | Live |
| SING PING PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| BIAN SING FILM & VIDEO PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| Tin Sing Productions Limited | Private company limited by shares | Dissolved |
| FU SING SEA PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI SING PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Lok Sing Gas Products Limited | Private company limited by shares | Dissolved |
| CHUNG SING CHINESE PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI SING PRODUCTS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| KIN SING PRODUCTS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SING YIP POLYBAG PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| KO SING PROFESSION CONSULTANT LIMITED | Private company limited by shares | Live |
| HOP SING PROMOTION LIMITED | Private company limited by shares | Dissolved |
| SAN SING PROPERTIES LIMITED | Public company limited by shares | Dissolved |
| SING MEI PROPERTIES LIMITED | Private company limited by shares | Live |
| DAH SING PROPERTIES LIMITED | Private company limited by shares | Live |
| SING FUK PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| YU SING PROPERTIES LIMITED | Private company limited by shares | Live |
| SING WU PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| YAU SING PROPERTIES LIMITED | Private company limited by shares | Live |
| WAH SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| KIN SING PROPERTIES LIMITED | Private company limited by shares | Live |
| TAK SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| HIP SING PROPERTIES LIMITED | Private company limited by shares | Live |
| HO SING PROPERTIES LIMITED | Private company limited by shares | Live |
| YAT SING PROPERTIES LIMITED | Private company limited by shares | Live |