| 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 |
| EDF Energy (NNB) Limited | Private company limited by shares | Live |
| NOAH ENERGY LIMITED | Private company limited by shares | Dissolved |
| NOAHSIA ENERGY LIMITED | Private company limited by shares | Live |
| NOBEL ENERGY LIMITED | Private company limited by shares | Dissolved |
| NOESIS ENERGY LIMITED | Private company limited by shares | Live |
| NOMIS ENERGY SERVICE LIMITED | Private company limited by shares | Dissolved |
| NOMIS ENERGY SERVICE LIMITED | Private company limited by shares | Live |
| NORDIC ENERGY LIMITED | Private company limited by shares | Live |
| NORDIC ENERGY LIMITED | Private company limited by shares | Live |
| Nordix Energy Limited | Private company limited by shares | Live |
| Norpetro Energy Limited | Private company limited by shares | Live |
| NORTH SEA ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| NORTH ENERGY LIMITED | Private company limited by shares | Dissolved |
| NORTH EASTERN ASIA ENERGY LIMITED | Private company limited by shares | Live |
| NORTH TONHE (CAMBODIA) ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NORTH TONHE ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| NORTHEAST ASIA ENERGY RESOURCES PTE LIMITED | Private company limited by shares | Dissolved |
| NORTHLINK ENERGY LIMITED | Private company limited by shares | Live |
| Northstar Energy Limited | Private company limited by shares | Live |
| NOVEL ENERGY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| NOVEL ENERGY MINING COMPANY LIMITED | | Live |
| NOVISO ENERGY TRADE LIMITED | | Live |
| N-POWER ENERGY LIMITED | Private company limited by shares | Live |
| NUCLEUS ENERGY LIMITED | Private company limited by shares | Live |
| NUTECH ENERGY LIMITED | Private company limited by shares | Dissolved |
| NuTrend Energy Limited | Private company limited by shares | Live |
| O'BRIEN ENERGY ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| OCEAN ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY OCEAN LIMITED | Private company limited by shares | Dissolved |
| ENERGY OCEAN LIMITED | Private company limited by shares | Live |
| BIG OCEAN ENERGY LIMITED | Private company limited by shares | Live |
| OCEANUS ENERGY HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| ODENTON ENERGY LIMITED | Private company limited by shares | Live |
| Olelon Energy Company Limited | | Live |
| OLYMPUS ENERGY LIMITED | Private company limited by shares | Live |
| Omnivoltaic Energy Solutions Company Limited | Private company limited by shares | Live |
| QINGDAO ONTARIO RENEWABLE ENERGY CO., LIMITED | Private company limited by shares | Live |
| ONWA ENERGY LIMITED | Private company limited by shares | Live |
| ONYX ENERGY LIMITED | Private company limited by shares | Dissolved |
| Open Energy Limited | Private company limited by shares | Live |
| MODUS OPERANDI ENERGY INC. LIMITED | Private company limited by shares | Live |
| Opti Energy Limited | | Live |
| OPTIMUM ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK NEW ENERGY OPTOELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| OriensSpes Energy Limited | | Live |
| Orient Energy Limited | Private company limited by shares | Live |
| ORIENT ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| ORIENTAL ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| Oriental Energy Investment Limited | Private company limited by shares | Live |
| Original Energy International Environmental Protection Investment Company Limited | Private company limited by shares | Live |
| ORIGINS CAPITAL ENERGY LIMITED | Private company limited by shares | Live |
| OROT ENERGY LIMITED | Private company limited by shares | Live |
| Orpheus Energy (Hong Kong) Limited | Private company limited by shares | Live |
| OURSUN NEW ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| OUTLAST POWER ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY PACIFIC LIMITED | Private company limited by shares | Dissolved |
| PACIFIC ENERGY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RIM ENERGY LIMITED | Private company limited by shares | Live |
| PACIFIC NEW ENERGY LIMITED | Private company limited by shares | Dissolved |