| CYCLES LIMITED | Private company limited by shares | Live |
| Neo Cycles Limited | Private company limited by shares | Live |
| ASIAN CYCLES LIMITED | Private company limited by shares | Live |
| CHINA PACIFIC CYCLES LIMITED | Private company limited by shares | Live |
| Top Gear Cycles Co., Limited | Private company limited by shares | Live |
| ELTOP CYCLES LIMITED | Private company limited by shares | Dissolved |
| CYCLES INTERACTIVE LIMITED | Private company limited by shares | Dissolved |
| LOCATION CYCLES LIMITED | Private company limited by shares | Live |
| POWER CYCLES LIMITED | Private company limited by shares | Dissolved |
| CYCLE-TECH CO. LIMITED | Private company limited by shares | Dissolved |
| Cycletend Limited | Private company limited by shares | Live |
| CYCLETRON LIMITED | Private company limited by shares | Dissolved |
| CYCLE-VENTURE LIMITED | Private company limited by shares | Dissolved |
| CYCLEWING LIMITED | Private company limited by shares | Dissolved |
| CYCLIC LIMITED | Private company limited by shares | Live |
| Gas Cycling Limited | Private company limited by shares | Live |
| CYCLING SPA LIMITED | | Live |
| BladeX Cycling Components Limited | Private company limited by shares | Live |
| HK 100KR INTELLIGENT CYCLING LIMITED | | Live |
| China Scrap Motor Car Cycling Limited | Private company limited by shares | Live |
| Serk Cycling Limited | Private company limited by shares | Live |
| Soap Cycling Limited | Company limited by guarantee | Live |
| China Public Benefit Cycling Union Share Co., Limited | Private company limited by shares | Live |
| XIAMEN FTC CYCLING LIMITED | Private company limited by shares | Dissolved |
| Cycling Zone Company Limited | Private company limited by shares | Live |
| CYCLINGY COMPANY LIMITED | Private company limited by shares | Live |
| Cyclink Group Limited -The- | Private company limited by shares | Live |
| CYCLINK MARINE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CYCLIST LIMITED | Private company limited by shares | Live |
| Hong Kong Cyclist Technology Co., Limited | | Live |
| CYCLIX LIMITED | Private company limited by shares | Live |
| CYCLO-ENERGY LIMITED | Private company limited by shares | Dissolved |
| CYCLON MARITIME CO. LIMITED | Private company limited by shares | Live |
| CYCLONAIRE (ASIA) LIMITED | Private company limited by shares | Live |
| CYCLONE BICYCLE LIMITED | Private company limited by shares | Dissolved |
| Cyclone Cellar Limited | | Live |
| Cyclone Co., Limited | Private company limited by shares | Live |
| Hong Kong Cyclone Technology Co., Limited | | Live |
| CYCLONE COMMERCIAL LIMITED | Private company limited by shares | Live |
| CYCLONE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Cyclone Deep Computer Consultants Limited | Private company limited by shares | Live |
| Cyclone Consulting Limited | Private company limited by shares | Live |
| CYCLONE ELECTRIC MOTOR LIMITED | Private company limited by shares | Live Commenced dormancy on 13-Mar-2012 |
| SHENZHEN CYCLONE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| FORCE CYCLONE LIMITED | Private company limited by shares | Live |
| CYCLONE GROUP LIMITED | Private company limited by shares | Dissolved |
| IT CYCLONE GROUP LIMITED | Private company limited by shares | Live |
| Imperial Cyclone Group Limited | Private company limited by shares | Live |
| CYCLONE TRADING GROUP LIMITED | Private company limited by shares | Live |
| Cyclone (HK) Co., Limited | Private company limited by shares | Live |
| CYCLONE (H.K.) INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Cyclone Trade Co., Limited | Private company limited by shares | Live |
| CYCLONE (HONGKONG) INT'L CO., LIMITED | Private company limited by shares | Live |
| Hongkong Cyclone Development Co., Limited | Private company limited by shares | Live |
| CYCLONE TECHNOLOGY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CYCLONE INDUSTRY LIMITED | Private company limited by shares | Live |
| ITALY CYCLONE WOODPECKER INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| CYCLONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CYCLONE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| GERMANY CYCLONE INTERNATIONAL (GROUP) LIMITED | Private company limited by shares | Live |
| CYCLONE GLOBAL LOGISTICS LIMITED | Private company limited by shares | Live |
| CYCLONE PRECISION LIMITED | Private company limited by shares | Dissolved |
| CYCLONE PUBLISHING LIMITED | Private company limited by shares | Live |
| Cyclone Offshore Resources Limited | Private company limited by shares | Dissolved |
| CYCLONE RUNNER BOAT CLUB LIMITED | Private company limited by shares | Dissolved |
| CYCLONE SHARP LIMITED | Private company limited by shares | Dissolved |
| CYCLONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CycloneStrike Limited | | Live |
| CYCLOP LIMITED | Private company limited by shares | Dissolved |
| CYCLOPEAN LIMITED | Private company limited by shares | Dissolved |
| Cyclopes Limited | Private company limited by shares | Live |
| CYCLOPRO LIMITED | Private company limited by shares | Live |
| CYCLOPS LIMITED | Private company limited by shares | Dissolved |
| Cyclops AR Limited | Private company limited by shares | Live |
| CYCLOPS RECOGNITION LIMITED | Private company limited by shares | Live |
| CYCLOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cyclotron Limited | Private company limited by shares | Live |
| HONG KONG CYCLOTRON LABORATORIES LIMITED | Private company limited by shares | Live |
| FIRST ORIENTAL CYCLOTRON LIMITED | Private company limited by shares | Live |
| CYCM (Hong Kong) Limited | Private company limited by shares | Live |
| CYCMAX SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| CYCO LIMITED | Private company limited by shares | Dissolved |
| CYCOM LIMITED | Private company limited by shares | Dissolved |
| Cycom Hong Kong Limited | Private company limited by shares | Live |
| CYCOM TECH LIMITED | Private company limited by shares | Dissolved |
| CYCOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CYCOMTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| CYCON INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CyCon Technology Limited | Private company limited by shares | Live |
| CYCONIA COMPANY LIMITED | Private company limited by shares | Live |
| Cycoviz Limited | | Live |
| HK Cyctech Co., Limited | Private company limited by shares | Live |
| CYCTECH (HK) LIMITED | Private company limited by shares | Live |
| CYCTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CYDA MOTORIC INC LIMITED | Private company limited by shares | Live |
| CYDCOR LIMITED | Private company limited by shares | Live |
| CYDCORP LIMITED | Private company limited by shares | Live |
| CYDD COMPANY LIMITED | Private company limited by shares | Live |
| Cydecorp Limited | Company limited by guarantee | Dissolved |
| CYDEL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |