| NEW SECTOR LIMITED | Private company limited by shares | Dissolved |
| WIN SECTOR LIMITED | Private company limited by shares | Live |
| SECTOR LIMITED | Private company limited by shares | Live |
| Sector 2048 Limited | Private company limited by shares | Live |
| CHINA ACCOUNTING SECTOR INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| ASIAL SECTOR LIMITED | Private company limited by shares | Live |
| Sector Automotive Limited | | Live |
| BEST SECTOR CO. LIMITED | Private company limited by shares | Live |
| CHINA GREENILAND CULTURAL TOURS & HEALTH SECTOR FUND CO., LIMITED | Private company limited by shares | Live |
| Housing sector Arrangement college Co., Limited | Private company limited by shares | Live |
| GLORY SECTOR TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG CULTURAL SECTOR JOINT CONFERENCE LIMITED | Company limited by guarantee | Dissolved |
| THIRD SECTOR CONNECT LIMITED | Private company limited by shares | Live |
| Construction Sector Imported Labour Quarters Limited | | Live |
| Sector Corporation Limited | | Live |
| Design Sector Limited | Private company limited by shares | Live |
| SECTOR DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| BEST SECTOR DEVELOPMENTS LIMITED | Private company limited by shares | Live |
| SECTOR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PRIVATE SECTOR COMMITTEE ON THE ENVIRONMENT | Company limited by guarantee | Dissolved |
| CHINA SECTOR ESTABLISHMENT LIMITED | Private company limited by shares | Dissolved |
| FREE SECTOR LIMITED | Private company limited by shares | Dissolved |
| GAIN SECTOR LIMITED | Private company limited by shares | Dissolved |
| GOLDEN SECTOR LIMITED | Private company limited by shares | Live |
| GOLDEN SECTOR AGRO-DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GRAND SECTOR LIMITED | Private company limited by shares | Live |
| GROUP SECTOR LIMITED | Private company limited by shares | Dissolved |
| SECTOR GROUP LIMITED | Private company limited by shares | Live |
| HK SOCIAL WELFARE SECTOR HEART TO HEART JOINT ACTION LIMITED | | Live |
| Home Sector Company Limited | Private company limited by shares | Dissolved |
| PROFESSIONAL VALIDATION CENTRE OF HONG KONG BUSINESS SECTOR LIMITED -THE- | Company limited by guarantee | Live |
| Hong Kong Business Sector Poll Survey Limited | Private company limited by shares | Live |
| HONG KONG IT SECTOR (NATIONAL DAY CELEBRATION) LIMITED | Private company limited by shares | Live |
| HONG KONG FEDERATION OF CHINESE MEDICINE SECTOR LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG PUBLIC SECTOR ACCOUNTANTS ASSOCIATION LIMITED | | Live |
| HONG KONG TECHNOLOGY AND INNOVATION SECTOR (NATIONAL DAY CELEBRATION) LIMITED | | Live |
| HONG KONG SCIENCE AND TECHNOLOGY SECTOR FOR CELEBRATION OF RETURN OF SOVEREIGNTY ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| EAST SECTOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CFC INTERNATIONAL EQUESTRIAN SECTOR LIMITED | Private company limited by shares | Live |
| SECOND SECTOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sector Investment Limited | | Live |
| BEST SECTOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LINK SECTOR INVESTMENTS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL NAVIGATION SECTOR & MARINE SERVICES (I.N.S. LTD) LIMITED | Private company limited by shares | Live |
| MILLION SECTOR LIMITED | Private company limited by shares | Dissolved |
| MORELLATO & SECTOR LIMITED | Private company limited by shares | Live |
| ORIENT SECTOR LIMITED | Private company limited by shares | Live |
| ORIENT SECTOR LIMITED | Private company limited by shares | Live |
| SECTOR PACIFIC LIMITED | Private company limited by shares | Live |
| CHINA PRIMARY SECTOR PRODUCTS TRADING LIMITED | Private company limited by shares | Live |
| SAFE SECTOR LIMITED | Private company limited by shares | Live |
| SECOND SECTOR COMPANY LIMITED -THE- | Private company limited by shares | Live |
| SECTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| TRUE SECTOR LIMITED | Private company limited by shares | Dissolved |
| SECTORIA (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SECTORPLACE LIMITED | Private company limited by shares | Dissolved |