| OCCALIFE LIMITED | Private company limited by shares | Live |
| OCCASIN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEMO OCCASIO LIMITED | Private company limited by shares | Live |
| OCCASION COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW OCCASION LIMITED | Private company limited by shares | Live |
| TOP OCCASION LIMITED | Private company limited by shares | Live |
| OCCASION LIMITED | Private company limited by shares | Live |
| Occasion Asia Limited | Private company limited by shares | Live |
| CHINA OCCASION LIMITED | Private company limited by shares | Dissolved |
| COMPORT OCCASION LIMITED | Private company limited by shares | Dissolved |
| OCCASION CREATIVE ENTERPRISE LIMITED | Private company limited by shares | Live |
| OCCASION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FINE OCCASION LIMITED | Private company limited by shares | Dissolved |
| FIRST OCCASION LIMITED | Private company limited by shares | Live |
| GLORY OCCASION LIMITED | Private company limited by shares | Dissolved |
| GREAT OCCASION LIMITED | Private company limited by shares | Live |
| FRANCE OCCASION FINERY GROUP LIMITED | Private company limited by shares | Live |
| Speed Occasion Hong Kong Co., Limited | | Live |
| Hong Kong Occasion Trading Limited | | Live |
| OCCASION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JOIN OCCASION LIMITED | Private company limited by shares | Dissolved |
| OCCASION LIGHTING MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Occasion Renewable Resources Company Limited | Private company limited by shares | Live |
| SPECIAL OCCASION LIMITED | Private company limited by shares | Live |
| TRUE OCCASION LIMITED | Private company limited by shares | Live |
| WONDERFUL OCCASION LIMITED | Private company limited by shares | Dissolved |
| YOUR OCCASION (HK) LIMITED | Private company limited by shares | Live |
| KOREA OCCASIONAL INTERNATIONAL FASHION COMPANY LIMITED | Private company limited by shares | Live |
| ID OCCASIONS LIMITED | Private company limited by shares | Dissolved |
| OCCASIONS LIMITED | Private company limited by shares | Live |
| Two Occasions F&B Limited | Private company limited by shares | Live |
| Occasions Furniture Co., Limited | Private company limited by shares | Live |
| OCCASIONS MARKETING COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| OCCASIONS CORPORATE & FINANCIAL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| KAAMMA WEDDING & OCCASIONS LIMITED | Private company limited by shares | Dissolved |
| OCCASIONS PR & MARKETING LIMITED | Private company limited by shares | Live |
| OCCASIONS . PR NETWORK LIMITED | Private company limited by shares | Dissolved |
| Occasions4U Limited | Private company limited by shares | Dissolved |
| OCCASS (HONG KONG) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| GRAND OCCASSION LIMITED | Private company limited by shares | Dissolved |
| OCCEE CO., LIMITED | | Live |
| OCCF Petrochemical Limited | Private company limited by shares | Dissolved |
| Occhio HK Limited | Private company limited by shares | Live |
| Occhiobello Limited | Private company limited by shares | Live |
| ORI & OCCI LIMITED | Private company limited by shares | Live |
| OCCI LIMITED | | Live |
| TOP OCCIDENT LIMITED | Private company limited by shares | Dissolved |
| Orient Occident Atelier Limited | Private company limited by shares | Live |
| NEW OCCIDENT EDUCATION GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| OCCIDENT SYSTEMS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| OCCIDENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| OCCIDENT SCIENCE & TECHNOLOGY LIGHTING ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCCIDENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL LIMITED | Private company limited by shares | Dissolved |
| Occidental Bay Limited | | Live |
| AUSTRALASIAN & OCCIDENTAL LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL CHEMICAL CHINA LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL CHEMICAL FAR EAST LIMITED | Private company limited by shares | Live |
| OCCIDENTAL PETROLEUM CO., LIMITED | Private company limited by shares | Dissolved |
| Occidental Commodities Limited | Private company limited by shares | Live |
| Occidental Development Limited | | Live |
| Oriental & Occidental Energy Consulting Limited | Private company limited by shares | Live |
| U.S. OCCIDENTAL PETROLEUM GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| New Occidental Education & Technology Group Limited | Private company limited by shares | Live |
| Occidental Plastics (HK) Limited | Private company limited by shares | Live |
| Hong Kong Occidental Cosmetics Co., Limited | Private company limited by shares | Live |
| OCCIDENTAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| OCCIDENTAL OCEAN LIMITED | Private company limited by shares | Live |
| OCCIDENTAL AND ORIENTAL LIMITED | Private company limited by shares | Dissolved |
| Oriental & Occidental Limited | Private company limited by shares | Live |
| Occidental and Oriental Company Limited | | Live |
| OCCIDENTAL PEARL LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL FINANCIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL POWER TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| OCCIDENTAL TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTAL TRAVEL LIMITED | Private company limited by shares | Dissolved |
| OCCIDENTIAL TRADING LIMITED | Private company limited by shares | Dissolved |
| OCCITASIA LIMITED | Private company limited by shares | Live |
| OCCM Trading Company Limited | Private company limited by shares | Live |
| OCCO LIMITED | Private company limited by shares | Dissolved |
| OCCO ELECTRONICS HK CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG OCCO (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Dissolved |
| OCCO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OCCO MARKETING LIMITED | Private company limited by shares | Live |
| OCCO TELENET HK LIMITED | Private company limited by shares | Live |
| OCCOLIFE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCCPL HK LIMITED | Private company limited by shares | Live |
| OCCREN INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| OCCREN ENERGY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| OCCS LIMITED | Private company limited by shares | Live |
| OCCS SOFTWARE FACTORY LIMITED | Private company limited by shares | Dissolved |
| OCCUAD LIMITED | Private company limited by shares | Live |
| ASIA OCCULT ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live |
| Occult Curve Co., Limited | Private company limited by shares | Live |
| Occult Dragon Investment Co., Limited | Private company limited by shares | Live |
| HONG KONG SOCIETY OF OCCULT RESEARCH LIMITED -THE- | Company limited by guarantee | Dissolved |
| FIRST WORK-STUDY OCCUPATION EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| JIANGXI QUANCHENG OCCUPATION TRAINING CO., LIMITED | Private company limited by shares | Dissolved |