| OBA360 Limited | Private company limited by shares | Live |
| obabo.com Limited | Private company limited by shares | Live |
| OBABY COMPANY LIMITED | Private company limited by shares | Live |
| OBABY COMPANY LIMITED | Private company limited by shares | Live |
| OBADIAH CONSTRUCTION CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Obagi AsiaPac Limited | | Live |
| OBAID LIMITED | Private company limited by shares | Live |
| O'BAILEE COMPANY LIMITED | Private company limited by shares | Live |
| OBAKU LIMITED | Private company limited by shares | Live |
| Quanzhou Obalee Bag Limited | Private company limited by shares | Live |
| Obalight Limited | Private company limited by shares | Live |
| OBALL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OBAMA LIMITED | Private company limited by shares | Live |
| OBAMAS LIMITED | Private company limited by shares | Live |
| OBAN LIMITED | Private company limited by shares | Dissolved |
| Obanda Aubond Parts Co., Limited | Private company limited by shares | Live |
| SINGAPORE OBAO OIL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Obaoma Limited | Private company limited by shares | Live |
| OBAOSUN (HONGKONG) LIMITED | Private company limited by shares | Live |
| OBAOSUN EURO ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| O-BAR GAME LIMITED | Private company limited by shares | Live |
| OBAR RESTAURANT AND BAR LIMITED | Private company limited by shares | Live |
| OBARLA LIMITED | Private company limited by shares | Dissolved |
| OBASTO LIMITED | Private company limited by shares | Live |
| OBAT Asia Limited | Private company limited by shares | Dissolved |
| OBATA LIMITED | Private company limited by shares | Dissolved |
| OBAX Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Obay Enterprise Co., Limited | Private company limited by shares | Live |
| Obay Electronics Co., Limited | Private company limited by shares | Live |
| GREAT O'BAY LIMITED | | Live |
| OBAYA LIMITED | Private company limited by shares | Live |
| OBBA BAR LIMITED | Private company limited by shares | Live |
| O.BBA BBQ & JJAJANG LIMITED | | Live |
| KOREA OBBA ALCOHOL LIMITED | Private company limited by shares | Live |
| Obbi International Group (HK) Limited | Private company limited by shares | Live |
| OBBLIGATO COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRANCE OBBLIGATO FLOWER INT'L GROUP LIMITED | Private company limited by shares | Live |
| Obbo 42 Limited | Private company limited by shares | Dissolved |
| OBBO LIMITED | Private company limited by shares | Live |
| SHANGHAI OBBOR ELECTRICAL GROUP LIMITED | Company limited by guarantee | Dissolved |
| O.B.C. ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| OBCHAIN LIMITED | Private company limited by shares | Live |
| OBCLOUD ASIA LIMITED | Private company limited by shares | Live |
| HK OBDI TRADE LIMITED | Private company limited by shares | Live |
| OBDMAN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| OBDMONSTER LIMITED | | Live |
| OBDO LIMITED | Private company limited by shares | Live |
| Obducat Asia Limited | Private company limited by shares | Live |
| OBEBUM LIMITED | Private company limited by shares | Dissolved |
| Obec Limited | Private company limited by shares | Live |
| OBED FURNITURE LIMITED | Private company limited by shares | Live |
| OBEDIENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| OBEID BROTHERS COMPANY FOR TRADING LIMITED | Private company limited by shares | Live |
| O-BE-JOYFUL LIMITED | Private company limited by shares | Live |
| FRANCE OBEL GROUP (HK) CHEMICAL LIMITED | Private company limited by shares | Dissolved |
| OBELCO COMPANY LIMITED | Private company limited by shares | Live |
| OBELIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| OBELIA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OBELIA PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Obelisk NSS Limited | Private company limited by shares | Live |
| OBELISK CORPORATION LIMITED | Private company limited by shares | Live |
| OBELISK DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| OBELISK EDUCATION LIMITED | Private company limited by shares | Live |
| OBELISK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OBELISK FIDUCIARY LIMITED | Private company limited by shares | Dissolved |
| OBELISK HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| HongKong Obelisk Network Technology Limited | | Live |
| Obelisk International Limited | Private company limited by shares | Live |
| OBELISK INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| OBELISK INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| OBELISK I.T. (PRODUCTION) LIMITED | Private company limited by shares | Dissolved |
| OBELISK TRADING LIMITED | Private company limited by shares | Live |
| Obelisque Limited | Private company limited by shares | Live |
| OBELIX CAPITAL PTE LIMITED | Private company limited by shares | Dissolved |
| OBELIX CO., LIMITED | | Live |
| OBELIX HONG KONG LIMITED | Private company limited by shares | Dissolved |
| OBELIX INVESTMENT LIMITED | Private company limited by shares | Live |
| OBELLE COMPANY LIMITED | Private company limited by shares | Live |
| OBELUS LIMITED | Private company limited by shares | Live |
| OBEN INC LIMITED | Private company limited by shares | Live |
| OBEN LIGHTING LIMITED | | Live |
| OBENTO LIMITED | Private company limited by shares | Live |
| OBEONE LIMITED | | Live |
| OBERA (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Oberfood Market (Tai Wai) Limited | Private company limited by shares | Live |
| Germany Oberg Beer (China) Co., Limited | | Live |
| OBERKRAFT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OBERLANE LIMITED | Private company limited by shares | Dissolved |
| USI OBERLIN LIMITED | Private company limited by shares | Dissolved |
| OBERLIN LIMITED | Private company limited by shares | Dissolved |
| OBERON LIMITED | Private company limited by shares | Dissolved |
| OBERON CO., LIMITED | Private company limited by shares | Live |
| Oberon Holding Limited | Private company limited by shares | Live |
| OBERON SHIPPING LIMITED | Private company limited by shares | Dissolved |
| OBERON SHIPPING AND TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Obers Industrial Development Co., Limited | Private company limited by shares | Live |
| Obersee Private Limited | | Live |
| HONG KONG OBERSON BIOTECHNOLOGY CO., LIMITED | | Live |
| OBERSPORT LIMITED | Private company limited by shares | Live |
| OBERSTON LIMITED | Private company limited by shares | Dissolved |