| FINE ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Finepoint Energy Limited | Private company limited by shares | Live |
| FIRST ENERGY LIMITED | Private company limited by shares | Dissolved |
| FIRST ENERGY LIMITED | Private company limited by shares | Dissolved |
| FIRSTRADE ENERGY LIMITED | Private company limited by shares | Dissolved |
| FLANDERS ENERGY LIMITED | Private company limited by shares | Dissolved |
| POWER FLASH ENERGY LIMITED | | Live |
| FLEXTECH ENERGY LIMITED | Private company limited by shares | Live |
| Energy Flow Limited | Private company limited by shares | Live |
| FLUID ENERGY LIMITED | Private company limited by shares | Live |
| FOCUS ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY FOCUS LIMITED | Private company limited by shares | Live |
| FOCUS ENERGY ASIA LIMITED | Private company limited by shares | Live |
| FOCUS ENERGY (DONGGUAN) LIMITED | Private company limited by shares | Dissolved |
| FOCUS ENERGY (FUJIAN) LIMITED | Private company limited by shares | Dissolved |
| FOCUS ENERGY & POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Focus Solar Energy Limited | Private company limited by shares | Live |
| FOCUS ENERGY (YONG AN) LIMITED | Private company limited by shares | Dissolved |
| FocusFire New Energy Limited | Private company limited by shares | Live |
| Chow Tai Fook Energy Company Limited | Private company limited by shares | Live |
| Forbes Energy Asia Limited | Private company limited by shares | Live |
| FOREST ENERGY LIMITED | Private company limited by shares | Dissolved |
| FORT ENERGY LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ENERGY LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ENERGY LIMITED | Private company limited by shares | Live |
| New Fortune Energy Limited | Private company limited by shares | Live |
| Fortune Dragon Energy Limited | Private company limited by shares | Live |
| FORTUNE ENERGY HOLDING LIMITED | Private company limited by shares | Live |
| Fortune Energy (Hong Kong) Limited | Private company limited by shares | Live |
| FORTUNE ENERGY SERVICE (HONG KONG) LIMITED | Private company limited by shares | Live |
| Fortune Energy Investment Limited | Private company limited by shares | Live |
| REN TI XIN ENERGY RESEARCH FOSTER CO., LIMITED | Private company limited by shares | Live |
| GOLD FOUNTAIN ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRANCE FOWOT ENERGY LIMITED | Private company limited by shares | Live |
| FREEDAY ENERGY LIMITED | Private company limited by shares | Live |
| FRIENDSHIP ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Energy Fruit Limited | Private company limited by shares | Live |
| FSDB NEW ENERGY GROUP LIMITED | Private company limited by shares | Live |
| FUJYUN ENERGY LIMITED | Private company limited by shares | Live |
| FULIN ENERGY ENTERPRISE LIMITED | Private company limited by shares | Live |
| FULL ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| FULL TAT ENERGY LIMITED | Private company limited by shares | Dissolved |
| FULL MAX ENERGY LIMITED | Private company limited by shares | Live |
| Full Energy HK Limited | | Live |
| FULL ASCENT ENERGY LIMITED | Private company limited by shares | Live |
| FULL ENERGY ASIA LIMITED | Private company limited by shares | Dissolved |
| Full Ya Sun Energy Holding Limited | Private company limited by shares | Dissolved |
| FULL ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| FULL POWER ENERGY LIMITED | | Live |
| FULL WING ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WO FUSI ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| FUTURE ENERGY LIMITED | Private company limited by shares | Live |
| SKY ENERGY FUTURE LIMITED | Private company limited by shares | Dissolved |
| ENERGY FUTURE LIMITED | Private company limited by shares | Live |
| FUTURE NEW ENERGY LIMITED | Private company limited by shares | Live |
| Future Energy Company Limited | Private company limited by shares | Live |
| FUTURE NEW ENERGY LIMITED | | Live |
| Future Energy Asia Limited | | Live |
| CHINA FUTURE ENERGY LIMITED | Private company limited by shares | Live |
| Future Energy Consulting Company Limited -The- | Private company limited by shares | Live |
| FUTURE ENERGY GROUP LIMITED | Private company limited by shares | Live |
| Future Energy Holding Limited | Private company limited by shares | Live |
| FUTURE RENEWABLE ENERGY LIMITED | Private company limited by shares | Live |
| FUTURE SOLAR ENERGY LIMITED | Private company limited by shares | Live |
| Future Energy Solution Limited | | Live |
| FUTURE ENERGY SYSTEMS LIMITED -THE- | Private company limited by shares | Live |
| FUTURE ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Future Energy Technology Limited | | Live |
| JOINTADV FUTURE ENERGY TECHNOLOGY LIMITED | | Live |
| HAINING FUXIKANG SOLAR ENERGY INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| F.V. (ENERGY) COMPANY LIMITED | Private company limited by shares | Live |
| GAIN ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY GAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Galaxy Energy Limited | Private company limited by shares | Live |
| GANDON ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK GANG YI NEW ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| TIANDA ENERGY (GANSU) LIMITED | Private company limited by shares | Live |
| GAOPENG ENERGY LIMITED | | Live |
| Gary New Energy Limited | Private company limited by shares | Live |
| WnD Energy (Gas) Limited | Private company limited by shares | Live |
| GASPE ENERGY LIMITED | Private company limited by shares | Dissolved |
| Carpenter Gather New Energy Limited | Private company limited by shares | Live |
| Gather Energy Technology Limited | | Live |
| GCL-POLY ENERGY (GUANGZHOU) LIMITED | Private company limited by shares | Dissolved |
| GCL-POLY ENERGY (GUANGZHOU) LIMITED | Private company limited by shares | Live |
| GENERAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| GENESIS ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY GEOPHYSICAL LIMITED | Private company limited by shares | Dissolved |
| GEOTECH ENERGY LIMITED | Private company limited by shares | Dissolved |
| Germany New Energy Limited | Private company limited by shares | Live |
| GERMANY AIMATE ENERGY LIMITED | Private company limited by shares | Live |
| GERMANY JINGHU NEW ENERGY LIMITED | Private company limited by shares | Live |
| GERMANY OULU ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY GIANT LIMITED | Private company limited by shares | Live |
| GIGABILLION ENERGY & MINING RESOURCES LIMITED | Private company limited by shares | Dissolved |
| ENERGY GIRL LIMITED | Private company limited by shares | Live |
| GLENMORE ENERGY LIMITED | Private company limited by shares | Live |
| GLOBAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| SKY GLOBAL ENERGY LIMITED | Private company limited by shares | Live |
| GLOBAL TOP ENERGY LIMITED | Private company limited by shares | Dissolved |