於1991年，共有 44,389 間公司在香港成立，其中 8,079 間至今仍然活躍。以下為該年成立公司一覽。
44,389 間公司
UNION PLAN LIMITED
UNION POINT DEVELOPMENT LIMITED
UNION POINT INTERNATIONAL LIMITED
UNION POINT INVESTMENT LIMITED
UNION POINT LIMITED
UNION POOL DEVELOPMENT LIMITED
UNION POOL LIMITED
UNION PRODUCTS INTERNATIONAL LIMITED
UNION PROFIT ENTERPRISES LIMITED
UNION PROSPER ENTERPRISES LIMITED
UNION RICH DEVELOPMENT LIMITED
UNION RICH ENTERPRISES LIMITED
UNION RICH GARMENTS LIMITED
UNION RICH INTERNATIONAL LIMITED
UNION RICH LIMITED
UNION RICH SHIPPING LIMITED
UNION RICH TECHNOLOGY LIMITED
UNION RIFE HONG KONG LIMITED
UNION RIGHT ENTERPRISES LIMITED
UNION RIGHT LIMITED
UNION SEAFOOD TRADING COMPANY LIMITED
UNION SHARP DEVELOPMENT LIMITED
UNION SHEEN INVESTMENT LIMITED
UNION SHINE LIMITED
UNION SIGNAL LIMITED
UNION SINO MEDICINE COMPANY LIMITED
UNION SOURCE LIMITED
UNION STAR DEVELOPMENT LIMITED
UNION STEEL GODOWN COMPANY LIMITED
UNION STRONG CARGO SERVICES LIMITED
UNION STRONG GARMENTS LIMITED
UNION STRONG MANAGEMENT LIMITED
UNION SUCCESS DEVELOPMENT LIMITED
UNION SUCCESS INVESTMENT LIMITED
UNION SYSTEM DEVELOPMENT LIMITED
UNION SYSTEM INVESTMENT LIMITED
UNION TARGET INDUSTRIAL LIMITED
UNION TECHNOLOGY LIMITED
UNION TIME INDUSTRIES LIMITED
UNION TONE ENTERPRISES LIMITED
UNION TOP DEVELOPMENT LIMITED
UNION TOP INTERNATIONAL LIMITED
UNION TOP TECHNOLOGIES LIMITED
UNION TOWN ENGINEERING LIMITED
UNION TOWN INDUSTRIES LIMITED
UNION TOWN TRANSPORTATION LIMITED
UNION TRADE TRANSPORTATION LIMITED
UNION TRIP ENTERPRISES LIMITED
UNION TRIP INTERNATIONAL LIMITED