| KO TANG AGENCIES LIMITED | Private company limited by shares | Dissolved |
| Tang Tat Air-conditioning Engineering Limited | Private company limited by shares | Live |
| ALEX TANG LIMITED | Private company limited by shares | Dissolved |
| HK ANCIENT MEI ZHI TANG BIOLOGICS RESEARCH CENTRE LIMITED | Private company limited by shares | Live |
| Tang & Angel Company Limited | Private company limited by shares | Live |
| Anna Tang Limited | Private company limited by shares | Live |
| ANYUAN LEI TANG LIMITED | Private company limited by shares | Live |
| ARCHBISHOP DOMINIC TANG EDUCATION FUND | Company limited by guarantee | Live |
| LU TANG LAI ARCHITECTS LIMITED | Private company limited by shares | Live |
| GODEFROY AND TANG ARCHITECTS LIMITED | Private company limited by shares | Live |
| Qin Tang Artefact Limited | | Live |
| YU MAN TANG ARTWARE LIMITED | Private company limited by shares | Dissolved |
| DA TANG (ASIA) LIMITED | Private company limited by shares | Live |
| TANG K. F. ASSOCIATES LIMITED | Private company limited by shares | Live |
| TANG & ASSOCIATES LIMITED | Private company limited by shares | Live |
| YT TANG & ASSOCIATES LIMITED | Private company limited by shares | Live |
| ERIC TANG & ASSOCIATES LIMITED | Private company limited by shares | Live |
| PAULINE TANG & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| ROBIN TANG & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| TANG HO ASSOCIATION COMPANY LIMITED | Company limited by guarantee | Dissolved |
| BAOQU TANG AUCTION COMPANY LIMITED | Private company limited by shares | Live |
| GREAT TANG AUCTION LIMITED | Private company limited by shares | Live |
| BAISI TANG INTERNATIONAL LIMITED | | Live |
| KA TANG BAKERY LIMITED | Private company limited by shares | Dissolved |
| BAOQU TANG ART INVESTMENTS AND FINANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tang Qian Battery Co., Limited | | Live |
| BEIJING YU YI TANG COMPANY LIMITED | Private company limited by shares | Dissolved |
| BEIJING TONG REN TANG CHUAN CHIONG COMPANY LIMITED | Private company limited by shares | Live |
| BEIJING JINBOFENG TANG CO., LIMITED | Private company limited by shares | Live |
| BEIJING TONG REN TANG INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| BEIJING TONG REN TANG (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Beijing Tong Ren Tang (Hong Kong) Limited | Private company limited by shares | Live |
| BEIJING TONG REN TANG CHINESE MEDICINE COMPANY LIMITED | Public company limited by shares | Live |
| BEIJING TONG REN TANG (HK) MEDICINE LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Jun-2014 |
| Beijing Yu Sheng Tang Holdings Limited | Private company limited by shares | Live |
| Beijing Yu Sheng Tang Pharmaceuticals Limited | Private company limited by shares | Dissolved |
| BEIJING REN HE TANG PHARMACEUTICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| BEIJING TONG REN TANG TONG XIN TONG LE COMPANY LIMITED | Private company limited by shares | Live |
| BEIJING TUNG JEN TANG LIMITED | Private company limited by shares | Live |
| BEIJING ZHICAO TANG PHARMACEUTICAL SHARES LIMITED | Private company limited by shares | Live |
| BING GANG TANG LIMITED | Private company limited by shares | Live |
| HK ZHIZHEN TANG BIOLOGICAL MEDICINE CO., LIMITED | Private company limited by shares | Live |
| JIU JIU YANG SHENG TANG (ASIA) BIOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK Yi Shan Tang Bio-Pharmaceutical Technology Limited | Private company limited by shares | Live |
| Ren De Tang Biotech Company Limited | Private company limited by shares | Live |
| Tang Cube Biotech (China) Co., Limited | Private company limited by shares | Dissolved |
| HONG KONG SI ZHI TANG BIO-TECH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SHI YI TANG (HONG KONG) BIOTECH & PHARMACEUTICAL CO LIMITED | Private company limited by shares | Dissolved |
| HUI SHENG TANG BIOTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| Ji Sheng Tang Biotech Limited | | Live |
| Gu Sen Tang Biotechnology Limited | | Live |
| HK CHANG SHOU TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHINA HUA REN TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YU YAN TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Tang Dao Biotechnology CO., LIMITED | | Live |
| HK COLD AND WARM TANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| DOCTOR TANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YU ZE TANG BIOTECHNOLOGY (GROUP) LIMITED | Private company limited by shares | Live |
| HONG KONG YI AND TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ZI YAN TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Yue Fu Tang Biotechnology Co., Limited | Private company limited by shares | Live |
| Hong Kong Tang Biotechnology Group Limited | Private company limited by shares | Live |
| HONG KONG MEI ZHI TANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TANG BIOTECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SHANG HAI CAI ZHI TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| USA FU SHENG TANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Sheng Tang Biotechnology Hongkong Limited | Private company limited by shares | Live |
| BAO SHENG TANG BIOTECHNOLOGY (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| HK YING ZI TANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK RUN YUAN TANG BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| WU FU TANG BIRDNEST TRADING LIMITED | Private company limited by shares | Dissolved |
| ZHUAN TANG Brand Asset Management Company Limited | Private company limited by shares | Live |
| BRIAN TANG AND ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| brother tang Limited | Private company limited by shares | Live |
| TANG BROTHERS LIMITED | Private company limited by shares | Dissolved |
| TANG BROTHERS LIMITED | Private company limited by shares | Live |
| LI TANG BUILDERS LIMITED | Private company limited by shares | Dissolved |
| TANG TAT BUILDING MATERIAL LIMITED | Private company limited by shares | Live |
| Yi Cang Tang Limited | Private company limited by shares | Live |
| Tang Capital Limited | | Live |
| LUNG TANG TAK FAT CARGO SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| KONG TANG CARGO SERVICE LIMITED | Private company limited by shares | Dissolved |
| TANG TAT CATERING LIMITED | Private company limited by shares | Live |
| Tang Palace Social Place Catering Limited | Private company limited by shares | Live |
| Dr. Tang Cell Research Institute Co., Limited | | Live |
| CENTURY TANG COMPANY LIMITED | Private company limited by shares | Live |
| TANG DYNASTY CERAMICS COMPANY LIMITED | Private company limited by shares | Live |
| Tang Tat Chalk Line Engineering Limited | Private company limited by shares | Live |
| Yi Wei Chan Tang Limited | Private company limited by shares | Live |
| CHAO TANG LIMITED | Private company limited by shares | Live |
| TANG CHAO FURNITURE LIMITED | Private company limited by shares | Live |
| HONG KONG TANG ERA CHARITABLE FOUNDATION LIMITED | Company limited by guarantee | Live |
| CHARLES TANG LIMITED | Private company limited by shares | Live |
| CHARLES TANG ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Charlotte Tang International Limited | Private company limited by shares | Live |
| Charlotte Tang Two International Limited | Private company limited by shares | Live |
| TANG SHI FA HK FINE CHEMICAL (GROUP) LIMITED | Private company limited by shares | Dissolved |
| TANG YUN CHEN CO., LIMITED | Private company limited by shares | Live |
| Tang Mu Chen Hong Kong Co., Limited | Private company limited by shares | Live |
| HE CHENG TANG LIMITED | Private company limited by shares | Live |