| BIG HEAT LIMITED | Private company limited by shares | Live |
| HK Heat IND Limited | Private company limited by shares | Live |
| Heat Up Company Limited | Private company limited by shares | Live |
| Bastille Heat Book Store Limited | Private company limited by shares | Live |
| NEW CHINA HEAT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA HEAT ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| ASIA HEAT ENERGY INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| WINNING HEAT TECHNOLOGY&EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| HEAT CONSULTANCY COMPANY LIMITED | Private company limited by shares | Live |
| Heat Cycler Limited | | Live |
| New Heat Energy Limited | Private company limited by shares | Live |
| JET WIN HEAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| A&Z HEAT EXCHANGERS LIMITED | Private company limited by shares | Live |
| EMMEGI HEAT EXCHANGERS LIMITED | Private company limited by shares | Live |
| SHIAN (FINLAND) ELECTRIC HEAT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FULL TIME HEAT TREATMENT LIMITED | Private company limited by shares | Dissolved |
| Greater Heat Limited | | Live |
| GUANGDONG GUAUI HEAT PUMP CO., LIMITED | Private company limited by shares | Live |
| IES Heat Exchanger (Hong Kong) Limited | Private company limited by shares | Live |
| HEAT TOP INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Industrial Heat Limited | Private company limited by shares | Live |
| HEAT INNOVATION LIMITED | Private company limited by shares | Live |
| HEAT WAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GAO PIN HEAT POWER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HEAT GRAND INVESTMENTS LIMITED | Private company limited by shares | Live |
| DENGFENG HEAT EXCHANGER (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEAT SHIELD ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| XING JIE HEAT TREATMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KOREA FESTA HEAT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LEADER HEAT COMPANY LIMITED | Private company limited by shares | Live |
| HEAT LIGHTING LIMITED | Private company limited by shares | Live |
| LUCKY HEAT 86 LIMITED | | Live |
| OCEAN-LAND HEAT SUPPLY LIMITED | Private company limited by shares | Dissolved |
| PRODUCTIVE HEAT TREATMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEAT PUMPECO COMPANY LIMITED | Private company limited by shares | Live |
| HEAT UP RADIO LIMITED | Private company limited by shares | Live |
| HEAT RISE LIMITED | Private company limited by shares | Dissolved |
| HEAT MOTOR SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| SHANGHAI SHIMISI HEAT ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SOLIDAIR HEAT EXCHANGER LIMITED | Private company limited by shares | Live |
| PROWO HEAT TECH LIMITED | Private company limited by shares | Live |
| HEAT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HEAT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK DEMANPU HEAT ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Digital Heat Technology Limited | Private company limited by shares | Live |
| MING'S ZGM HEAT ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HEAT EXPERT TECHNOLOGY HK LIMITED | Private company limited by shares | Live |
| Vanward Heat Pump Technology Limited | | Live |
| QDL HEAT TREATMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOWLOON HEAT TREATMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEAT WAVE LIMITED | Private company limited by shares | Dissolved |
| HEAT WEALTH LIMITED | Private company limited by shares | Dissolved |
| HEAT CREATIVE WORKSHOP LIMITED | Private company limited by shares | Live |
| YOUNG HEAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Heat2Wear Co. Limited | Private company limited by shares | Live |
| Heat90s Limited | | Live |
| Heatbaer Corp. Limited | Private company limited by shares | Dissolved |
| Heatbit Limited | Private company limited by shares | Live |
| HEATECH LIMITED | Private company limited by shares | Dissolved |
| HEATEK ELECTRONICS LIMITED | Private company limited by shares | Live |
| China Heater (HK) Company Limited | Private company limited by shares | Dissolved |
| TOWA (HEATER) CO., LIMITED | Private company limited by shares | Dissolved |
| GERMANY SAKEMAN COLD & HEATER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHANGHAI LIYOU SOLAR ENERGY WATER HEATER LIMITED | Private company limited by shares | Dissolved |
| QINGDAO HAIER SOLAR ENERGY WATER HEATER (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SHUAIKANG SOLAR ENERGY WATER HEATER LIMITED | Private company limited by shares | Dissolved |
| DRAGON GIANT ION HEATER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| GREAT SOURCE ELECTRIC HEATER TECH CO., LIMITED | Private company limited by shares | Live |
| SUPERB HEATER GROUP LIMITED | Private company limited by shares | Live |
| USA HARVARD HEATER TECHNOLOGY RESEARCH CENTER LIMITED | Private company limited by shares | Dissolved |
| HEATGENE ELECTRIC HEATER CO. LIMITED | Private company limited by shares | Live |
| HONG KONG ELECTRIC WATER HEATER ASSOCIATION LIMITED | Company limited by guarantee | Live |
| HUANG MING (HK) SOLAR WATER HEATER TECH. LIMITED | Private company limited by shares | Dissolved |
| HEATER INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CTS HEATER INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| MAITE HEATER CO. LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG MIDEA SUN WATER HEATER INT'L TRADE LIMITED | Private company limited by shares | Dissolved |
| MIYO TS HEATER CO., LIMITED | Private company limited by shares | Live |
| SINO-JAPAN ELECTRIC HEATER (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SUPERB HEATER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BELIEF HEATER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| METAL CERAMIC HEATER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| YORKVILLE BOILER & THERMAL OIL HEATER ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| TOTIEN ELECTRIC HEATER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Xuri Electrical Heater Co., Limited | Private company limited by shares | Dissolved |
| YIWU GIFT HEATER ARTS AND JEWELRY CO., LIMITED | Private company limited by shares | Live |
| Magtech Induction Heaters Company Limited | Private company limited by shares | Live |
| SHIN I ELECTRIC HEATERS LIMITED | Private company limited by shares | Dissolved |
| HeatEx Limited | Private company limited by shares | Dissolved |
| HEATH PRO LIMITED | Private company limited by shares | Dissolved |
| Pet & Heath Company Limited | | Live |
| PICKETT'S HEATH LIMITED | Private company limited by shares | Dissolved |
| HEATHBIZ LIMITED | Private company limited by shares | Live |
| HEATHCLIFFE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HEATHCOTE LIMITED | Private company limited by shares | Dissolved |
| HEATHCOTE BEST LIMITED | Private company limited by shares | Live |
| HEATHCOTE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HEATHER LIMITED | Private company limited by shares | Live |
| Heather 189 Limited | | Live |
| Crown Heather Limited | Private company limited by shares | Live |