| 名稱 |
|---|
| O R Time (HK) Limited (日東表﹝香港﹞有限公司) |
| O.G. Printing Productions Limited (海濤製作有限公司) |
| O.M.Y. |
| Occidental Cars |
| Ocean Apex Trading Limited (海峰貿易有限公司) |
| Ocean Craft Manufactory Ltd (海慧工藝製品有限公司) |
| Ocean Empire International Limited (海皇國際有限公司) |
| Ocean Pearl Coins & Stamps Company Ltd |
| Ocean Polyurethane Foam Ind Ltd (海洋夾布海棉廠有限公司(香港)) |
| Ocean Polyurethane Foam Industrial Ltd (海洋夾布海棉廠有限公司) |
| Ocean Sky Diving Company Limited (海天潛水有限公司) |
| Offmax Limited (奧美斯傢俱有限公司) |
| Okamoto Industries (SZ) Company Limited (岡本貿易(深圳)有限公司) |
| Olympic Airfreight Services Ltd (國空運服務有限公司) |
| Omni Management International Limited (萬通物業管理國際有限公司) |
| Omni Source Asia Ltd (奧利亞洲有限公司) |
| On Channel Ltd (安峻有限公司) |
| On Kee Dry Seafood Co Ltd (安記海味有限公司) |
| On Shun Label & Printing Company Limited (安信商標印刷有限公司) |
| On Tai Machinery Supplies Company Ltd (安泰機械設備有限公司) |
| On Time Transportation Ltd (安時貨運有限公司) |
| Onkok Limited (安國有限公司) |
| Online Technologies Ltd. (駿泰科技有限公司) |
| Onward Kashiyama Hong Kong Limited |
| Onway Mgt & Secretarial Service (安威管理及秘書服務公司) |
| ORB Company Limited |
| Orca Printing & Advertising Company |
| Orient Fair Development Limited (東輝發展有限公司) |
| Oriental Beautytech Centre (東方芊彩科技美容中心) |
| Oriental Cosmos Limited (名慧時裝有限公司) |