| FEDERATION OF HONG KONG CHIU CHOW COMMUNITY ORGANIZATIONS CHARITY FUNDS LIMITED | Company limited by guarantee | Live |
| HONG KONG SOCIAL ORGANIZATIONS' LEADERS JOINT CONSULTATIVE ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| FEDERATION OF HONG KONG SHANTOU COMMUNITY ORGANIZATIONS LIMITED | | Live |
| Federation of Hong Kong Shantou Organizations Limited | | Live |
| TEAM A LEARNING ORGANIZATIONS LIMITED | Private company limited by shares | Live |
| Chinese National Non-governmental Organizations Federation Management Co., Limited -The- | Private company limited by shares | Live |
| HK XIAOBO REDUCING WEIGHT INT'L CHAIN ORGANIZATIONS LIMITED | Private company limited by shares | Live |
| BIG ORGANIZE LIMITED | Private company limited by shares | Dissolved |
| COIN ORGANIZE ALUMINIUM ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA ORGANIZE CULTURE RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| COIN ORGANIZE INVESTMENT LIMITED | Private company limited by shares | Live |
| COIN ORGANIZE DESIGN & DECORATION LIMITED | Private company limited by shares | Dissolved |
| COIN ORGANIZE ENGINEERING LIMITED | Private company limited by shares | Live |
| EXCEL ORGANIZE LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ORGANIZE LIMITED | Private company limited by shares | Live |
| ITALY PIERE CARTON INTERNATIONAL ORGANIZE (ASIA) GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| MASS ORGANIZE LIMITED | Private company limited by shares | Dissolved |
| Organized Chaos HK Limited | | Live |
| WELL ORGANIZED LIMITED | Private company limited by shares | Dissolved |
| ORGANIZED WISDOM LIMITED | Private company limited by shares | Live |
| ORGANIZER CO. LIMITED -THE- | Private company limited by shares | Dissolved |
| YI ORGANIZER LIMITED | Private company limited by shares | Live |
| 5 ELEMENTS ORGANIZER LIMITED | Private company limited by shares | Live |
| ASSOCIATION OF CERTIFIED FINANCIAL ORGANIZER LIMITED | Company limited by guarantee | Dissolved |
| ORIENTAL ORGANIZER LIMITED | Private company limited by shares | Dissolved |
| Organizers Limited -The- | Private company limited by shares | Live |
| China Summit Forum Organizers Luxury Brands Limited | Private company limited by shares | Dissolved |
| Hong Kong Association of Life Organizers Company Limited | | Live |
| CHINAPACK INTERNATIONAL EXHIBITION ORGANIZERS LIMITED | Private company limited by shares | Live |
| Hong Kong Association of Professional Organizers Limited | Private company limited by shares | Live |
| CHINA PROSE ANNUAL MEETING ORGANIZING COMMITTEE LIMITED | Private company limited by shares | Dissolved |
| "CHINA ENCOUNTER" ORGANIZING COMMITTEE LIMITED | Private company limited by shares | Dissolved |
| TEXTBOOK ORGANIZING SYSTEM LIMITED | Private company limited by shares | Dissolved |
| ORGANLIFE CO., LIMITED | Private company limited by shares | Live |
| Organnet Market Limited | Private company limited by shares | Live |
| ORGANO GLOBAL (CHINA) LIMITED | | Live |
| ORGANO GOLD HOLDINGS, LIMITED | Private company limited by shares | Live |
| ORGANO GOLD INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| Organo Gold Management Limited | Private company limited by shares | Live |
| ORGANO SYNTHESIS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ORGANOCHEM LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| DAOKANGNING (USA) ORGANOSILICON LIMITED | Private company limited by shares | Live |
| HONG KONG YUANMENG ORGANOSILICON CO., LIMITED | Private company limited by shares | Live |
| HK JIANLANG ORGANOSILICONE FINE CHEMISTRY INDUSTRY LIMITED | Private company limited by shares | Live |
| ORGAN-SAKAE COMPOPANY LIMITED | Private company limited by shares | Dissolved |
| ORGARHI LIMITED | | Live |
| ORGAZ LIMITED | Private company limited by shares | Dissolved |
| ORGBUILDING LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI ORGCHEM CO. LIMITED | Private company limited by shares | Dissolved |
| OrgChoice Limited | Private company limited by shares | Live |
| ORGCOMINVEST LIMITED | Private company limited by shares | Live |
| ORGEL CO., LIMITED | Private company limited by shares | Live |
| ACME ORGEL MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| Orgeon Energy Technology Limited | | Live |
| Orgill Asia Limited | Private company limited by shares | Live |
| ORGILL TRADING LIMITED | | Live |
| Orgin Innovations Limited | | Live |
| ORGINAL H LIMITED | Private company limited by shares | Live |
| WAROM ORGINAL LIMITED | Private company limited by shares | Dissolved |
| Orgnot Limited | Private company limited by shares | Dissolved |
| Orgold Limited | Private company limited by shares | Live |
| BE AN ORGONITE LIMITED | | Live |
| Orgox Limited | | Live |
| ORGRIMMAR SC CO., LIMITED | Private company limited by shares | Live |
| ORGRIMMAR TRADING COMPANY LIMITED | | Live |
| HK ORGS LATTICE BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ORGTECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Orgyen Buddhist Centre Company Limited | Company limited by guarantee | Live |
| ORHAN SHIPPING LIMITED | Private company limited by shares | Live |
| ORIA LIMITED | Private company limited by shares | Dissolved |
| ORIA LIMITED | Private company limited by shares | Dissolved |
| ORIA LIMITED | Private company limited by shares | Live |
| Group Oria Limited | Private company limited by shares | Live |
| ORIA INTERNATIONAL LIMITED | | Live |
| ORIA NETWORK LIMITED | Private company limited by shares | Dissolved |
| HK ORIA SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Oria International Trade Co., Limited | Private company limited by shares | Live |
| ORIAIN-WILLAHELM LIMITED | | Live |
| ORIALLOYS TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| ORIAMA LIMITED | Private company limited by shares | Live |
| ORIAMO LIMITED | Private company limited by shares | Live |
| ORIAN LIMITED | Private company limited by shares | Live |
| ORIANA LIMITED | Private company limited by shares | Live |
| One Last Call (Oriana) Limited | Private company limited by shares | Live |
| ORIANA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORIANA TRADE LIMITED | Private company limited by shares | Live |
| Wisdom Orianna Limited | Private company limited by shares | Live |
| ORIANT INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| ORIANT INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| ORIANTAL CORPORATED LIMITED | Private company limited by shares | Live |
| ORIANTAL UNION CAPITAL INVESTMENT INC. COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIANTECH TRADE CO., LIMITED | Private company limited by shares | Live |
| ORIANTIQUE.COM LIMITED | Private company limited by shares | Dissolved |
| ORIAS LIMITED | Private company limited by shares | Dissolved |
| ORIBI COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIBIX Company Limited | Private company limited by shares | Live |
| ORIBRI LIMITED | Private company limited by shares | Dissolved |
| ORIBULL LIMITED | Private company limited by shares | Dissolved |
| ORICA AUSTRALIA PTY LIMITED | Private company limited by shares | Dissolved |
| ORICA BIOTECH CO., LIMITED | Private company limited by shares | Dissolved |