| UNION SOCIETY OF CANTON, LIMITED | |
| UNIVERSAL PHARMACEUTICAL LABORATORIES, LIMITED | (環球製藥有限公司) |
| UNILEVER HONG KONG LIMITED | (香港聯合利華有限公司) |
| UNION METAL WORKS, LIMITED | 合衆五金廠有限公司 |
| UNION INDUSTRIAL DEVELOPMENT CORPORATION LIMITED | 合衆工業建設有限公司 |
| UNICO ENTERPRISES, LIMITED | 佑業有限公司 |
| UNIVERSAL TEXTILE COMPANY, LIMITED | 環球紡織有限公司 |
| UN LONG TUNG YICK LAND INVESTMENT COMPANY LIMITED | |
| UNITED ASIA COMPANY, LIMITED | 聯亞行有限公司 |
| UN LONG HOP YICK COMPANY, LIMITED | 元朗合益有限公司 |
| UNIVERSAL MERCANTILE COMPANY, LIMITED | 宇宙有限公司 |
| UNITED RELIANCE CORPORATION LIMITED | |
| UNION STAR COMPANY, LIMITED | 聯星行有限公司 |
| UNITED BUILDERS INSURANCE COMPANY, LIMITED | (建安保險有限公司) |
| UNITED GARMENT MANUFACTURING COMPANY LIMITED | |
| UNIVERSAL INDUSTRIAL COMPANY, LIMITED | 環球實業有限公司 |
| UNITED OVERSEA ENTERPRISES, LIMITED | (聯僑企業有限公司) |
| U-K COMPANY, LIMITED | 于基有限公司 |
| UNITED TRAMPING AGENCIES LIMITED | |
| UNIVERSAL HARDWARE & PLASTIC FACTORY LIMITED -THE- | 世界五金塑膠廠有限公司 |
| UNIVERSAL CARS LIMITED | 環宇汽車有限公司 |
| UNAM CORPORATION LIMITED | |
| UNION CULTURAL ORGANIZATION LIMITED | 友聯文化事業有限公司 |
| UNITED INVESTMENT LIMITED | 民衆置業有限公司 |
| U-LAM INVESTMENT COMPANY, LIMITED | 儒林置業有限公司 |
| UNION CONTRACTORS LIMITED | 華聯建築有限公司 |
| UNION CASH REGISTER COMPANY LIMITED | 聯合收銀機有限公司 |
| UNION CHEMICAL LIMITED | 聯合化學有限公司 |
| U.S. SUMMIT COMPANY LIMITED | 美國森美有限公司 |
| UNION (LUEN HOP) REFRIGERATION COMPANY, LIMITED | 聯合冷氣工程有限公司 |
| UNITED ITALIAN CORPORATION (H.K.) LIMITED | 永義(香港)有限公司 |
| UNISON KNITTING FACTORY LIMITED | 協興針織廠有限公司 |
| U KWONG INDUSTRIAL COMPANY, LIMITED | 宇光實業有限公司 |
| UNITED CORDIALITY LIMITED | 佑康有限公司 |
| USANCE COMPANY, LIMITED | 裕信有限公司 |
| UNION KNITTING FACTORY COMPANY LIMITED | 友聯織造廠有限公司 |
| UNIVERSAL PUBLICATIONS LIMITED | 通用圖書有限公司 |
| U-FREIGHT LIMITED | 聯邦航空貨運有限公司 |
| UNIVERSAL FUNERAL PARLOUR COMPANY LIMITED | 世界殯儀館有限公司 |
| UNION PAPER BOX AND PRINTING PRESS, LIMITED | 友聯紙盒印刷廠有限公司 |
| UNIFORM KNITTERS LIMITED | 裕豐針織有限公司 |
| UNIVERSAL ASSOCIATED COMPANY, LIMITED | |
| UNISTRESS BUILDING CONSTRUCTION LIMITED | 聯力建築有限公司 |
| UCP INTERNATIONAL COMPANY, LIMITED | 華源國際有限公司 |
| UNITED TEXTILES LIMITED | |
| UWA ENTERPRISES, LIMITED | 祐華企業有限公司 |
| UNIVERSAL ELECTRONICS INDUSTRIES LIMITED | 宇宙電子廠有限公司 |
| UNITED FIVE INVESTMENT COMPANY LIMITED | 五聯置業有限公司 |
| UNION ARTS GARMENT FACTORY LIMITED | 友聯製衣廠有限公司 |
| UNITED EVANGELICAL MISSION LIMITED | 基督教福音聯合會有限公司 |