| MegaPac Energy Limited | Private company limited by shares | Live |
| MeiLong Energy Limited | | Live |
| Mekong Energy Developments Limited | Private company limited by shares | Dissolved |
| Mekong Smart Energy Company Limited | Private company limited by shares | Live |
| MENG TAI ENERGY LIMITED | Private company limited by shares | Live |
| Mengjin Energy Limited | Private company limited by shares | Live |
| Meridian New Energy Limited | Private company limited by shares | Dissolved |
| MERIT ENERGY LIMITED | Private company limited by shares | Live |
| Merit Energy Enterprise Company Limited | Private company limited by shares | Live |
| MERLIN ENERGY LIMITED | Private company limited by shares | Live |
| MESNOW SOLAR NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| Messodie Energy Limited | Private company limited by shares | Live |
| HK Brooks Precious Metal Energy Import and Export Trade Limited | | Live |
| ASIA PACIFIC METAL AND ENERGY RESOURCES IMPORT AND EXPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hoi Mor Energy Metallurgical Group Limited | Private company limited by shares | Live |
| ENERGY METALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Energy Metals Limited | | Live |
| Metaverse Energy Limited | | Live |
| METRO ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| METRO ENERGY LIMITED | Private company limited by shares | Live |
| M-GLOBAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| Micah Energy Limited | Private company limited by shares | Dissolved |
| Micergy New Energy Co., Limited | | Live |
| MID-ASIA NEW ENERGY INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| MIDLAND ENERGY HK LIMITED | Private company limited by shares | Dissolved |
| MID-PACIFIC ENERGY LIMITED | Private company limited by shares | Dissolved |
| ASIA MIDWAY ENERGY LIMITED | Private company limited by shares | Dissolved |
| MIGHTY ENERGY LIMITED | Private company limited by shares | Live |
| Ocean Mile Energy Engineering Service Limited | Private company limited by shares | Live |
| MILESTONE ENERGY LIMITED | Private company limited by shares | Live |
| Millenium Energy Investments Limited | Private company limited by shares | Live |
| Millennium Energy Limited | Private company limited by shares | Dissolved |
| NEW MILLENNIUM ENERGY LIMITED | Private company limited by shares | Dissolved |
| MILLION ENERGY LIMITED | Private company limited by shares | Live |
| MILLION MERIT ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| ZH MINERAL ENERGY SUPPLY CHAIN LIMITED | | Live |
| PHOENIX MINERAL AND ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pacific Energy and Minerals Company Limited | Private company limited by shares | Live |
| VISION MINERALS & ENERGY ASIA LIMITED | Private company limited by shares | Live |
| EASTERN ENERGY & MINES PRIVATE LIMITED | Private company limited by shares | Live |
| MING ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ming Yang Energy Investment (HK) International Limited | Private company limited by shares | Live |
| HK MINGDINGSHENGMAO ENERGY CO., LIMITED | Private company limited by shares | Live |
| Mingyu Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| MINGYU ENERGY TRADING LIMITED | Private company limited by shares | Live |
| POWER OCEAN ENERGY & MINING LIMITED | Private company limited by shares | Dissolved |
| Minshang New Energy Group Co. Limited | | Live |
| Minsheng Energy Limited | Private company limited by shares | Live |
| Mint Energy Hong Kong Limited | Private company limited by shares | Live |
| MnPOWER NEW ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| MOBIPLUG ENERGY CO., LIMITED | | Live |
| MODERN CENTURY ENERGY LIMITED | Private company limited by shares | Dissolved |
| CHINA NEW ENERGY MODERN HI-TECH INVESTMENT LIMITED | Private company limited by shares | Live |
| MODERN ENERGY ENTERPRISES LIMITED | Private company limited by shares | Live |
| Modern Energy Supply S en C (MES) Limited | Private company limited by shares | Live |
| SHENZHEN MODERN RENEWABLE ENERGY LIMITED | Private company limited by shares | Live |
| MODO ENERGY CO. LIMITED | Private company limited by shares | Live |
| MOGE NEW ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| Montreal Energy Limited | Private company limited by shares | Live |
| MORAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| MORAL ENERGY LIMITED | Private company limited by shares | Live |
| MORE ENERGY LIMITED | Private company limited by shares | Dissolved |
| MORE ENERGY LIMITED | Private company limited by shares | Live |
| CACS & MORGAN ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Energy Moto Limited | Private company limited by shares | Live |
| Energy Motorcycle Limited | | Live |
| Mountpeak Energy Limited | | Live |
| MOVING ENERGY LIMITED | Private company limited by shares | Dissolved |
| MPPT Energy Company Limited | Private company limited by shares | Live |
| Multus Energy Limited | Private company limited by shares | Live |
| ASIA PACIFIC ENERGY (MYANMAR) LIMITED | Private company limited by shares | Live |
| Mythology Energy Company Limited | Private company limited by shares | Dissolved |
| NEW ENERGY AND NANO-TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Nanyang Energy (Hong Kong) Limited | | Live |
| NANYANG ENERGY RESOURCES, INC. LIMITED | Private company limited by shares | Dissolved |
| NATURAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| NATURAL ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NATURAL RESOURCES & ENERGY LIMITED | Private company limited by shares | Dissolved |
| NATURAL YIELD ENERGY LIMITED | Private company limited by shares | Live |
| NATURE ENERGY HK LIMITED | Private company limited by shares | Dissolved |
| NATUREWISE RENEWABLE ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Navigare Energy Limited | Private company limited by shares | Live |
| NELL ENERGY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Neocean Energy Limited | Private company limited by shares | Dissolved |
| NEOSEN ENERGY HK LIMITED | Private company limited by shares | Live |
| NEOSUN ENERGY HK LIMITED | | Live |
| ENERGY NETWORKS LIMITED | Private company limited by shares | Dissolved |
| NEWAGE ENERGY CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| China Newgreen Energy Holding Limited | Private company limited by shares | Live |
| NEWOCEAN ENERGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Newport Energy Limited | Private company limited by shares | Dissolved |
| NEXT ENERGY LIMITED | Private company limited by shares | Dissolved |
| NIWA NEXT ENERGY PRODUCTS LIMITED | Private company limited by shares | Live |
| Nibras Energy Limited | Private company limited by shares | Live |
| NICE ENERGY LIMITED | Private company limited by shares | Live |
| NICE ENERGY LIMITED | Private company limited by shares | Live |
| Nieves Energy Limited | Private company limited by shares | Live |
| NIKKI ENERGY HOLDING CO., LIMITED | Private company limited by shares | Live |
| NINECITY ENERGY (CHN) LIMITED | Private company limited by shares | Live |
| Nitro Energy Limited | | Live |