| HARRINGTON & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Harrington Co., Limited | | Live |
| Cooper & Harrington Limited | Private company limited by shares | Live |
| HARRINGTON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HARRINGTON ESTATE LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON GODOWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG HARRINGTON SANITARY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HARRINGTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON LLOYD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HARRINGTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON KILBRIDE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON LLOYD LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| HARRINGTON PAPER COMPANY LIMITED | Private company limited by shares | Live |
| Harrington Partners Limited | Private company limited by shares | Live |
| HARRINGTON PETROLEUM LIMITED | Private company limited by shares | Live |
| HARRINGTON SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SPENCER HARRINGTON ASIA LIMITED | Private company limited by shares | Dissolved |
| W. H. HARRINGTON INVESTMENT AND TRADING LIMITED | Private company limited by shares | Dissolved |