於1991年，共有 44,389 間公司在香港成立，其中 8,081 間至今仍然活躍。以下為該年成立公司一覽。
44,389 間公司
WELL UNION INTERNATIONAL LIMITED
WELL UNION INVESTMENT LIMITED
WELL UNION TRADING LIMITED
WELL UNITED DEVELOPMENT (H.K.) LIMITED
WELL UNITED GARMENT LIMITED
WELL UNITED INDUSTRIAL LIMITED
WELL UNITED INTERNATIONAL LIMITED
WELL UNITED INVESTMENTS LIMITED
WELL UNITED MANAGEMENT LIMITED
WELL UNITED SUPPLY LIMITED
WELL UNITED SYSTEMS LIMITED
WELL UP INTERNATIONAL LIMITED
WELL VENTURE DEVELOPMENT LIMITED
WELL WARM LIMITED
WELL WAY INTERNATIONAL LIMITED
WELL WAY INVESTMENTS LIMITED
WELL WAY TRADING LIMITED
WELL WEALTH ENTERPRISES LIMITED
WELL WEALTH TRADING LIMITED
WELL WIN INVESTMENT LIMITED
WELL WOOD DEVELOPMENT LIMITED
WELL WORLD LIMITED
WELL YEAR INTERNATIONAL LIMITED
WELL YEAR LIMITED
WELL YORK ENGINEERING LIMITED
WELL YUEN GARMENTS LIMITED
WELL YUEN PROPERTIES LIMITED
WELL'S PACIFIC COMPANY LIMITED
WELL-FORM EQUIPMENT LIMITED
WELL-IN HOLDINGS LIMITED
WELL-JOY TRADING COMPANY LIMITED
WELL-KONG PROPERTIES LIMITED
WELL-MAX MERCHANDISE COMPANY LIMITED
WELL-ON TRANSPORTATION LIMITED
WELL-PACK PAPER PRODUCTS LIMITED
WELL-TECH COLOUR SEPARATION LIMITED
WELL-TO-DO PROPERTIES LIMITED
WELL-TRADE INDUSTRIES LIMITED
WELL-TRANS LIMITED
WELL-WORTH INDUSTRIAL LIMITED
WELLA DEVELOPMENT LIMITED
WELLA INTERNATIONAL LIMITED
WELLA INVESTMENT LIMITED
WELLAB INVESTMENTS LIMITED
WELLABLE LIMITED
WELLAM ENTERPRISES LIMITED
WELLAM INTERNATIONAL LIMITED
WELLAM LIMITED