| O'MA ENTERPRISES LIMITED | Private company limited by shares | Live |
| O.M.A Fashion Limited | Private company limited by shares | Live |
| OM&A INC. Limited | Private company limited by shares | Live |
| OMA-ACC CO., LIMITED | Private company limited by shares | Live |
| OMABUS LIMITED | Private company limited by shares | Dissolved |
| OMAC LIMITED | Private company limited by shares | Dissolved |
| OMAC (ASIA) CO. LIMITED | Private company limited by shares | Dissolved |
| OMAC FOOTWEAR MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| GERMANY OMAC LIMITED | Private company limited by shares | Live |
| OMAC SALES LIMITED | Private company limited by shares | Live |
| OMACARSE LIMITED | | Live |
| OMACARSE88 LIMITED | | Live |
| Omacha Limited | Private company limited by shares | Live |
| OMAG INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OMAGA GROUP HONG KONG LIMITED | Private company limited by shares | Live |
| HK OMAGIC INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| OMAGIQUE LIFE REVOLUTION (HK) LIMITED | Private company limited by shares | Live |
| OMAHA COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMAHA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Omaha Limited | Private company limited by shares | Live |
| OMAHA INVESTMENTS LIMITED | Private company limited by shares | Live |
| Omahome Limited | Private company limited by shares | Live |
| OMAI FURNITURE LIMITED | Private company limited by shares | Live |
| China (Hongkong) Omaika Industrial Co., Limited | Private company limited by shares | Live |
| KHALID BIN OMAIR TRADING LIMITED | Private company limited by shares | Live |
| OMAIS LIMITED | Private company limited by shares | Live |
| OMAISI COMPANY LIMITED | Private company limited by shares | Live |
| Omaisi Commercial Co., Limited | Private company limited by shares | Live |
| Japanese Omakase Concept Limited | Private company limited by shares | Live |
| OMAKASE HONG KONG LIMITED | Private company limited by shares | Live |
| Koho Omakase Company Limited | | Live |
| Omakase Trading Company Limited | Private company limited by shares | Live |
| OMAKEUP INTERNATIONAL GROUP SHARES LIMITED | Private company limited by shares | Live |
| Omalihome Limited | Private company limited by shares | Live |
| O'MALLEY LIMITED | | Live |
| Omamori Brand Limited | Private company limited by shares | Live |
| AMERICAN CARDI OMAN FURNITURE (GROUP) CO. LIMITED | Private company limited by shares | Dissolved |
| BRDB (Oman) Limited | Private company limited by shares | Live |
| OMAN TUO ROOM CULTURE CO., LIMITED | Private company limited by shares | Live |
| GREEN ENERGY (OMAN) LIMITED | Private company limited by shares | Live |
| CHINA OMAN IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| HONG KONG OMAN TRADING CO., LIMITED | | Live |
| OMAN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| OMAN OVERSEAS TRADING LIMITED | Private company limited by shares | Live |
| OMAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMAN TRADING (H.K.) LIMITED | Private company limited by shares | Live |
| OMANA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| O'MANDA LIMITED | Private company limited by shares | Live |
| Omandy Limited | | Live |
| OMANKA LIMITED | Private company limited by shares | Live |
| OMANKJ CO., LIMITED | Private company limited by shares | Live |
| FRANCE OMANS FASHION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OMANTICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMANULI TRADING LIMITED | Private company limited by shares | Dissolved |
| OMAR LIMITED | Private company limited by shares | Live |
| ABU OMAR LIMITED | | Live |
| OMAR ASIA LIMITED | Private company limited by shares | Live |
| OMAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OMAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OMAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| OMARE LIMITED | Private company limited by shares | Live |
| OMARK LIMITED | Private company limited by shares | Live |
| OMARWAKIL TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| OMAS LIMITED | Private company limited by shares | Dissolved |
| OMA'S OVEN LIMITED | Private company limited by shares | Dissolved |
| OMASAN LIMITED | Private company limited by shares | Dissolved |
| OMASU INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Omasu Luggage Limited | Private company limited by shares | Live |
| OMATA (HK) LIMITED | | Live |
| Omate Limited | Private company limited by shares | Live |
| Omaten Exhibition Technology (Hong Kong) Limited | Private company limited by shares | Live |
| OMATI COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMATIC CO., LIMITED | Private company limited by shares | Live |
| O-Matic Holding Limited | Private company limited by shares | Live |
| O-Matic (Hong Kong) Technology Limited | Private company limited by shares | Live |
| O-Matic Intelligent Robot Limited | Private company limited by shares | Live |
| OMATO LIMITED | Private company limited by shares | Live |
| OMAX LIMITED | Private company limited by shares | Dissolved |
| OMAX LIMITED | Private company limited by shares | Dissolved |
| OMAXE TRADING CO., LIMITED | Private company limited by shares | Live |
| OMAY LIMITED | Private company limited by shares | Dissolved |
| O'MAYA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| OMAYCHI LIMITED | Private company limited by shares | Live |
| HONGKONG OMAYGE LEATHER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Omaymarket Limited | Private company limited by shares | Live |
| OMAZIC HK LIMITED | Private company limited by shares | Dissolved |