| MELCO INTERNATIONAL DEVELOPMENT LIMITED | 新濠國際發展有限公司 |
| MACKINTOSH'S LIMITED | |
| MASONIC HALL LIMITED -THE- | |
| MEVAS (1931) LIMITED | 豐明(1931)有限公司 |
| M. BERAHA AND COMPANY, LIMITED | |
| MAYAR SILK MILLS (HONG KONG) LIMITED | 美亞織綢廠(香港)有限公司 |
| MAY MAY COMPANY LIMITED | 美美有限公司 |
| MAYSIN TEXTILE MANUFACTURING COMPANY, LIMITED | (美新紡織有限公司) |
| MING SUNG INDUSTRIAL COMPANY (HONG KONG) LIMITED | 香港民生實業有限公司 |
| MAN CHONG RATTAN COMPANY (HONG KONG) LIMITED | 萬昌籐業有限公司 |
| MEYER MANUFACTURING COMPANY, LIMITED | 美亞製造廠有限公司 |
| MILLION PROFIT LAND COMPANY LIMITED | 實發地產發展有限公司 |
| MARITIME FOUNDATIONS HOLDINGS & AGENCIES LIMITED | |
| MING FUNG HONG CO., LIMITED | 明豐行有限公司 |
| MANOR HOUSE HOLDINGS LIMITED | 美居集團有限公司 |
| MAJOR CONTRACTORS LIMITED | 聯大建築有限公司 |
| MATTEL (HK) LIMITED | 美泰玩具(香港)有限公司 |
| MORDRIL PROPERTIES LIMITED | |
| MAX HON KNIGHT PROPERTIES & INVESTMENTS LIMITED | 滿恒利地產投資有限公司 |
| MAIDSTONE CONSTRUCTION COMPANY LIMITED | 美善同建築有限公司 |
| MARINE DEVELOPMENT COMPANY, LIMITED | |
| MAY PO KNITTING COMPANY LIMITED | 美寶織造有限公司 |
| MULTI LOYAL COMPANY LIMITED | 懋誠行有限公司 |
| MERCK SHARP & DOHME (ASIA) LIMITED | (美國默沙東藥廠有限公司) |
| MAJESTIC TEXTILES, LIMITED | 大通紡織有限公司 |
| MIRAMAR HOTEL AND INVESTMENT COMPANY, LIMITED | 美麗華酒店企業有限公司 |
| MEE TAK COMPANY, LIMITED | 美德行有限公司 |
| MA PAK LEUNG COMPANY, LIMITED | 馬百良葯廠有限公司 |
| MOORVILLE LIMITED | |
| MEGA EV LIMITED | 宏大電動有限公司 |
| MOTOR SPORTS CLUB OF HONG KONG LIMITED -THE- | 香港賽車會有限公司 |
| MOTOR TRADERS ASSOCIATION OF HONG KONG -THE- | 香港汽車商會 |
| MING CHUEN CONSTRUCTION COMPANY, LIMITED | 明川建築有限公司 |
| MODERN MANUFACTURING COMPANY LIMITED | 建美製造有限公司 |
| MILMAR LIMITED | |
| MCKOWAN LOWE AND COMPANY LIMITED | |
| MODERN EDUCATIONAL RESEARCH SOCIETY LIMITED | 現代教育研究社有限公司 |
| MAN SUN LONG COMPANY LIMITED | 萬信隆有限公司 |
| MARTIN & THOMAS LIMITED | |
| MANDARIN ORIENTAL, HONG KONG LIMITED | |
| MACK & CO. LIMITED | 敏記有限公司 |
| MANLY INVESTMENT & TRADING COMPANY LIMITED | 文麗置業貿易有限公司 |
| METRO REALTY COMPANY, LIMITED | 都城地產有限公司 |
| MANSON INVESTMENT AND FINANCE COMPANY, LIMITED | 萬信投資有限公司 |
| METEX (HK) LIMITED | (美德工業貿易有限公司) |
| MILAN KNITWEAR MANUFACTURING COMPANY, (HK) LIMITED | 源源製衣廠有限公司 |
| MAYKONG DEVELOPMENT COMPANY, LIMITED | 美港企業有限公司 |
| MABEL INVESTMENT COMPANY LIMITED | 美寶置業有限公司 |
| MERDEKA CORPORATION LIMITED | 萬嘉企業有限公司 |
| MODESTOS LIMITED | |