| POLYTECH INNOVATION LIMITED | | Live |
| LONG POLYTECH HK LIMITED | Private company limited by shares | Live |
| FET POLYTECHNIC LIMITED | Private company limited by shares | Dissolved |
| POLYTECHNIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTECHNOLOGICAL LIMITED | Private company limited by shares | Live |
| OMNI POLYTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| POLYTECHS (ASIA) LIMITED | Private company limited by shares | Live |
| POLYTECK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| POLYTECNO LIMITED | Private company limited by shares | Dissolved |
| POLYTEHK LIMITED | Private company limited by shares | Dissolved |
| POLYTEK LIMITED | Private company limited by shares | Dissolved |
| POLYTEK COMPANY LIMITED | Private company limited by shares | Live |
| POLYTEK INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| POLYTEK SUPPLY LIMITED | Private company limited by shares | Dissolved |
| POLYTEK-GOODYEAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYTES COMPANY LIMITED | Private company limited by shares | Live |
| PolyTesla Limited | Private company limited by shares | Live |
| POLYTEST NP Company Limited | Private company limited by shares | Live |
| POLYTEX LIMITED | Private company limited by shares | Dissolved |
| POLYTEX LIMITED | Private company limited by shares | Dissolved |
| POLYTEX LIMITED | Private company limited by shares | Live |
| ASIA POLYTEX LIMITED | Private company limited by shares | Live |
| POLYTEX ENTERPRISES, LIMITED | Private company limited by shares | Dissolved |
| POLYTEX SPORTS LIMITED | Private company limited by shares | Dissolved |
| POLYTEX TRADE LIMITED | | Live |
| POLTECH POLYTHENE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| HO YUEN POLYTHENE-BAG COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTIC LIMITED | Private company limited by shares | Dissolved |
| POLYTIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTIC MACHINERY WORKS LIMITED | Private company limited by shares | Dissolved |
| POLYTILES TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTIME LIMITED | Private company limited by shares | Live |
| POLYTIME (ASIA) LIMITED | Private company limited by shares | Live |
| POLYTIME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYTIME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYTIME INVESTMENT LIMITED | Private company limited by shares | Live |
| POLYTIME PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Avalon Polytom (HK) Limited | Private company limited by shares | Live |
| POLYTON LIMITED | Private company limited by shares | Dissolved |
| POLYTON LIMITED | Private company limited by shares | Live |
| POLYTON ASIA LIMITED | Private company limited by shares | Dissolved |
| POLYTON (ASIA) LIMITED | Private company limited by shares | Live |
| POLYTON CHINA LIMITED | Private company limited by shares | Live |
| Polyton Electronics Co., Limited | Private company limited by shares | Live |
| POLYTON HONG KONG LIMITED | Private company limited by shares | Dissolved |
| POLYTON HONG KONG LIMITED | Private company limited by shares | Dissolved |
| POLYTON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POLYTONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTONE LIMITED | Private company limited by shares | Live |
| POLY-TOOL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| POLYTOP LIMITED | Private company limited by shares | Dissolved |
| POLYTOP LIMITED | Private company limited by shares | Dissolved |
| POLYTOP LIMITED | Private company limited by shares | Dissolved |
| POLYTOP LIMITED | Private company limited by shares | Live |
| POLYTOP ASIA LIMITED | Private company limited by shares | Dissolved |
| POLYTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYTOP INVESTMENT LIMITED | Private company limited by shares | Live |
| POLYTOP MACHINERY LIMITED | | Live |
| POLYTOWER LIMITED | Private company limited by shares | Dissolved |
| POLYTOWER DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| POLYTOWN COMPANY LIMITED | Private company limited by shares | Live |
| POLYTOWN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| POLYTRA HONG KONG LIMITED | Private company limited by shares | Live |
| POLYTRADE LIMITED | Private company limited by shares | Live |
| POLYTRADE ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| POLYTRADE ASIA LIMITED | Private company limited by shares | Dissolved |
| POLYTRADE INVESTMENTS LIMITED | Private company limited by shares | Live |
| POLYTRADING LIMITED | Private company limited by shares | Live |
| Polytrans Limited | Private company limited by shares | Live |
| POLYTRANS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POLY-TREASURE LIMITED | Private company limited by shares | Live |
| POLYTREASURY COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTREND COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTREND ENTERPRISES LIMITED | Private company limited by shares | Live |
| POLYTREND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| POLYTREND SHIPPING LIMITED | Private company limited by shares | Dissolved |
| POLYTREND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| POLYTREND TRADING LIMITED | Private company limited by shares | Live |
| POLYTRIX COMPANY LIMITED | Private company limited by shares | Live |
| POLYTRON LIMITED | Private company limited by shares | Live |
| HK BAODANLI FERTILIZER AGRICULTURAL POLYTRON TECHNOLOGIES SHARE LIMITED | Private company limited by shares | Live |
| POLYTRUSION LIMITED | | Live |
| POLYTRUTH ENTERPRISES LIMITED | Private company limited by shares | Live |
| POLYTUNE LIMITED | Private company limited by shares | Live |
| POLYTUNE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| POLYTWIG COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYTYPE LIMITED | Private company limited by shares | Dissolved |
| POLYU ENTERPRISES LIMITED | Private company limited by shares | Live |
| POLYU MILESAA LIMITED | Company limited by guarantee | Live |
| POLYU RESEARCH LIMITED | Private company limited by shares | Live |
| POLYUE GAS APPLIANCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYU-HKCYBERU ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| POLY-UNI LIMITED | Private company limited by shares | Dissolved |
| POLY-UNION LIMITED | Private company limited by shares | Dissolved |
| POLYUNION LIMITED | Private company limited by shares | Dissolved |
| POLY-UNION LIMITED | Private company limited by shares | Live |
| POLYUNIT CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| POLYUNIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| POLYUNIT GARMENT LIMITED | Private company limited by shares | Dissolved |
| POLYUNIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |