1 Exhibit (21) THE McGRAW-HILL COMPANIES, INC. Subsidiaries of Registrant Listed below are all the subsidiaries of Registrant, except certain inactive subsidiaries and certain other McGraw-Hill subsidiaries which are not included in the listing because considered in the aggregate they do not constitute a significant subsidiary as of the end of the year covered by this Report. State or Percentage Jurisdiction of Voting of Securities Incorporation Owned ------------- ----- The McGraw-Hill Companies, Inc. New York Registrant CM Research, Inc. New York 100 National Radio Institute Delaware 100 DRI Europe, Inc. Delaware 100 International Advertising/McGraw-Hill, Inc. Delaware 100 J.J. Kenny Company, Inc. New York 100 *J.J. Kenny Drake, Inc. New York 100 *Kenny Services, Inc. New York 100 McGraw-Hill Broadcasting Company, Inc. New York 100 McGraw-Hill Capital Corporation Delaware 100 McGraw-Hill Capital, Inc. New York 100 *International Valuation Services, Inc. Delaware 40 McGraw-Hill Financial Publications, Inc. Delaware 100 McGraw-Hill Interamericana, Inc. New York 100 McGraw-Hill International Enterprises, Inc. New York 100 *Editora McGraw-Hill Interamericana do 100 Brasil Ltda. Brazil *McGraw-Hill Korea, Inc. Korea 100 *McGraw-Hill (Malaysia) Sdn.Bhd Malaysia 100 McGraw-Hill News Bureaus, Inc. New York 100 McGraw-Hill New York, Inc. New York 100 McGraw-Hill Publications Overseas Corporation New York 100 McGraw-Hill Real Estate, Inc. New York 100 MMS International Nevada 100 Money Market Directories, Inc. New York 100 Optical Data Corporation New York 100 Rock-McGraw, Inc. New York 45 S&P ComStock, Inc. New York 100 Standard & Poor's International Ratings, Ltd. New York 100 *Credit Rating Information Services of India Limited India 9.6 *Taiwan Ratings Corporation Taiwan 50 Standard & Poor's Investment Advisory Services, Inc. Delaware 100 Standard & Poor's Ltd. Delaware 100 *Fund Research Limited United Kingdom 100 Standard & Poor's Securities, Inc. Delaware 100 Tower Group International, Inc. New York 100 *Tower Group International Canada Inc. Canada 100 -22- 2 State or Percentage Jurisdiction of Voting of Securities Incorporation Owned ------------- ----- Editora McGraw-Hill de Portugal, Ltda. Portugal 100 Editorial Interamericana, S.A. Colombia 100 Editoriales Pedagogicas Associadas, S.A. Guatemala 100 McGraw-Hill Book Company Australia Pty. Limited Australia 100 *McGraw-Hill Book Company New Zealand, Pty. Limited New Zealand 100 *Standard & Poor's (Australia) Pty. Ltd. Australia 100 McGraw-Hill Data Services - Ireland, Ltd. Ireland 100 McGraw-Hill Holdings (U.K.) Limited Great Britain 100 *McGraw-Hill International (U.K.) Limited Great Britain 100 McGraw-Hill Information Systems Company of Canada Limited Ontario, Canada 100 McGraw-Hill/Interamericana de Chile Limitada Chile 100 McGraw-Hill/Interamericana de Espana, S.A. Spain 100 *Standard & Poor's Espana, S.A. Spain 100 McGraw-Hill/Interamericana de Venezuela S.A. Venezuela 100 McGraw-Hill/Interamericana Editores, S.A. de C.V. Mexico 100 *Ediciones Pedagogicas, S.A. de C.V. Mexico 100 McGraw-Hill/Interamericana, S.A. Panama 100 *Editora McGraw-Hill de Espana S.A. Panama 100 McGraw-Hill Libri Italia Italy 100 McGraw-Hill Ryerson Limited Ontario, Canada 70 MHFSCO, Ltd. U.S. Virgin Islands 100 Micropal Group Limited United Kingdom 100 *Dividend Analysis Limited United Kingdom 100 *Micropal Limited United Kingdom 100 *Micropal Accounting Portfolio Services Inc. Delaware 100 *Standard & Poor's Micropal Asia Limited Hong Kong 100 *Micropal Deutschland GmbH Germany 100 *Micropal Limited (Ireland) Ireland 100 *Standard & Poor's Micropal, SaRL France 100 *Standard & Poor's Micropal, Inc. Massachusetts 100 Science Research Associates, Pty., Ltd. Australia 100 Standard & Poor's - ADEF France 100 Standard & Poor's International, S.A. Belgium 100 Standard & Poor's AB Sweden 100 Standard & Poor's, S.A. de C.V. Mexico 100 Tata McGraw-Hill Publishing Company Private Limited India 66.25 Xebec Multi Media Solutions Limited United Kingdom 100 *Xebec Interactive Learning, Inc. Delaware 100 * Subsidiary of a subsidiary. -23-