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 COMPUTER LABEL FACTORY LIMITED
UNION CONCEPT INVESTMENT LIMITED
UNION CONSULTANTS LIMITED
UNION CONTACT LIMITED
UNION COSMOS DEVELOPMENT LIMITED
UNION COSMOS INVESTMENT LIMITED
UNION COSMOS LIMITED
UNION COURSE INTERNATIONAL LIMITED
UNION CREATE INVESTMENT LIMITED
UNION CREATION TRADING LIMITED
UNION CROWN DEVELOPMENT LIMITED
UNION CROWN ENGINEERING LIMITED
UNION CROWN SERVICES LIMITED
UNION DAY LIMITED
UNION DESIGN LIMITED
UNION EAGLE LIMITED
UNION EASE INVESTMENT LIMITED
UNION ELECTRICAL LIMITED
UNION ENGINEERING LIMITED
UNION ENTERPRISE INVESTMENTS LIMITED
UNION EXPRESS INTERNATIONAL LIMITED
UNION FAIR INDUSTRIAL LIMITED
UNION FAIR LIMITED
UNION FAITH CONSTRUCTION LIMITED
UNION FAITH DEVELOPMENT LIMITED
UNION FAITH INVESTMENT LIMITED
UNION FAME ENTERPRISES LIMITED
UNION FAME INTERNATIONAL LIMITED
UNION FAME TRADING LIMITED
UNION FIELD LIMITED
UNION FINANCIAL ADVISORS LIMITED
UNION FINE DEVELOPMENT LIMITED
UNION FORCE GARMENTS LIMITED
UNION FORCE INVESTMENT LIMITED
UNION FORCE TRANSPORTATION LIMITED
UNION FORD DEVELOPMENT LIMITED
UNION FORD LIMITED
UNION FREE DEVELOPMENT LIMITED
UNION FREE INVESTMENTS LIMITED
UNION FRIEND (H.K.) LIMITED
UNION FULL ENTERPRISES LIMITED
UNION FULL INTERNATIONAL LIMITED
UNION GAIN DEVELOPMENT LIMITED
UNION GAIN INVESTMENT LIMITED
UNION GARMENTS LIMITED
UNION GAS & ENGINEERING CORPORATION LIMITED -THE-
UNION GAS APPLIANCES (CHINA) LIMITED -THE-
UNION GATE (H.K.) INTERNATIONAL LIMITED
UNION GLAD INDUSTRIES LIMITED