Exhibit 21 SUBSIDIARIES OF THE REGISTRANT The companies listed below are direct or indirect subsidiaries of the Registrant. Their names and jurisdictions of incorporation are as follows: Ardco, Inc. ......................................... Illinois Carrier Corporation ................................. Delaware Carrier Hong Kong Limited ........................... Hong Kong Carrier Mexico S.A. de C.V. ......................... Mexico Carrier S.A. ........................................ France Carrier S.p.A. ..................................... Italy Carrier Suetrak Transportkaelte ..................... Germany Carrier-Espana, SA. ................................ Spain China Tianjin Otis Elevator Company, Ltd. ........... China Daewoo Carrier Corporation .......................... South Korea Elevadores Otis Ltda. .............................. Brazil Express Lifts Holding Company ....................... Cayman Islands Gate S.p.A. ......................................... Italy Generale Frigorifique S.A.S. ....................... France Johns Perry Lifts Holdings .......................... Cayman Islands Mecanismos Auxiliares Industriales, S.A. ............ Spain Microtecnica S.P.A. ................................. Italy Misr Refrigeration And Air Conditioning Manufacturing Company S.A.E. ...................................... Egypt Nippon Otis Elevator Company ........................ Japan Otis ................................................ France Otis Elevator Company ............................... New Jersey Otis Elevator Company ............................... Delaware Otis Elevator Company Pty. Ltd. .................... Australia Otis Europe ......................................... France Otis Far East Holdings Limited ...................... Hong Kong Otis G.m.b.H. ...................................... Germany Otis Plc ............................................ United Kingdom Otis S.p.A. ......................................... Italy Pratt & Whitney Canada Inc. ......................... Canada SGC Holding Company, Inc. .......................... Delaware Shanghai Hezhong Carrier ............................ China Sikorsky Aircraft Corporation ....................... Delaware Sikorsky Export Corporation ......................... Delaware Springer Carrier S.A. ............................... Brazil Surrey S.A.C.I.F.I.A. ............................... Argentina Societe Offranvillaise de Technologie, S.A. France (Technoffra) ........................................ The Express Lift Company Limited .................... United Kingdom Toyo Carrier Engineering Co., LTD. .................. Japan Turbine Airfoil Refurb Inc. ......................... Delaware Turbo Power And Marine Systems, Inc. ................ Delaware Tyler Holdings Corporation .......................... Delaware United Technologies Automotive (Hungary) Kft ........ Hungary United Technologies Automotive Electrical Systems de Mexico Mexico, S.A. de C.V. ................................ United Technologies Automotive, Inc. ................ Delaware United Technologies Holdings Plc .................... United Kingdom United Technologies Motor Systems, Inc. ............. Delaware UT Finance Corporation .............................. Delaware UT Insurance (Vermont), Inc. ........................ Vermont Zardoya Otis, S.A. .................................. Spain Other subsidiaries of the Registrant have been omitted from this listing since, considered in the aggregate as a single subsidiary, they would not constitute a significant subsidiary.