1 EXHIBIT 21 LIST OF ACTIVE SUBSIDIARIES AS OF JANUARY 31, 1999 OWNERSHIP COMPANY NAME JURISDICTION OF CREATION PERCENTAGE - ------------ ------------------------ ----------- Arrebnac Pty. Ltd.............................. Australia 100% Beheer en Beleggingsmaatschappij Stivaco B.V.......................................... Netherlands 100% College Mercantile Pty. Ltd.................... Australia 100% Consorzio Manifatturieri srl................... Italy 100% Corinthian Leasing Corporation................. Delaware 100% D&B Acquisition Corp........................... Delaware 100% D&B Data & Services s.r.l...................... Italy 100% D&B Espana S.A................................. Spain 100% D&B Europe Limited............................. England 100% D&B Group Ltd.................................. Delaware 100% D&B Information Services (M) Sdn. Bhd.......... Malaysia 100% D&B International Consultant (Shanghai) Co. Ltd.......................................... Peoples Republic of China 100% D&B Schimmelpfeng-Unterstutzungskasse GmbH..... Germany 100% Dun & Bradstreet (Australia) Group Pty. Ltd.... Australia 100% Dun & Bradstreet (Australia) Holdings Pty...... Australia 100% Dun & Bradstreet (Australia) Pty. Limited...... Australia 100% Dun & Bradstreet (C&EE) Holding B.V............ Netherlands 80% Dun & Bradstreet (HK) Limited.................. Hong Kong 100% Dun & Bradstreet (Israel) Ltd.................. Israel 100% Dun & Bradstreet (New Zealand) Limited......... New Zealand 100% Dun & Bradstreet (S.C.S.) B.V.................. Netherlands 100% Dun & Bradstreet (Singapore) Pte. Ltd.......... Singapore 100% Dun & Bradstreet (Switzerland) AG.............. Switzerland/Delaware 100% Dun & Bradstreet (U.K.) Pension Plan Trustee Company Ltd.................................. England 100% Dun & Bradstreet Alfa AB....................... Sweden 100% Dun & Bradstreet Beta AB....................... Sweden 100% Dun & Bradstreet B.V........................... Netherlands 100% Dun & Bradstreet Canada B.V.................... Netherlands 100% Dun & Bradstreet Canada Holding, Ltd........... Canada 100% Dun & Bradstreet Computer Leasing, Inc......... Delaware 100% Dun & Bradstreet Credit Control, Ltd........... Delaware 100% Dun & Bradstreet Danmark Holding A/S........... Denmark 100% Dun & Bradstreet de Mexico, S.A. de C.V........ Mexico 100% Dun & Bradstreet Denmark A/S (Denmark)......... Denmark 100% Dun & Bradstreet Deutschland GmbH.............. Germany/Delaware 100% Dun & Bradstreet Do Brasil, Ltda............... Brazil/Delaware 100% Dun & Bradstreet Ekonomiforlaget AB............ Sweden 100% Dun & Bradstreet Finance Ltd................... England 100% Dun & Bradstreet Finland OY.................... Finland 100% Dun & Bradstreet Holding Norway A/S............ Norway 100% Dun & Bradstreet Holdings B.V.................. Netherlands 100% 1 2 OWNERSHIP COMPANY NAME JURISDICTION OF CREATION PERCENTAGE - ------------ ------------------------ ----------- Dun & Bradstreet Hungaria Informacio Szolgaltato Korlatolt Felelosegu Tarasag..... Hungary 80% Dun & Bradstreet Information Services Ges.mbH...................................... Austria 100% Dun & Bradstreet Information Services India Pvt. Ltd..................................... India 100% Dun & Bradstreet International, Ltd............ Delaware 100% Dun & Bradstreet Japan Ltd..................... Japan 100% Dun & Bradstreet Limited....................... Ireland 100% Dun & Bradstreet Limited....................... England 100% Dun & Bradstreet Management S.A.S.............. France 100% Dun & Bradstreet Marketing Pty. Ltd............ Australia 100% Dun & Bradstreet Marketing Services N.V.--S.A.................................... Belgium 100% Dun & Bradstreet Nordic AB..................... Sweden 100% Dun & Bradstreet Norge A/S..................... Norway 100% Dun & Bradstreet European Outsourcing Center B.V.......................................... Netherlands 100% Dun & Bradstreet Poland sp. zo.o............... Poland 80% Dun & Bradstreet Portugal, Ltda................ Portugal 100% Dun & Bradstreet Pty. Ltd...................... Australia 100% Dun & Bradstreet RMS Franchise Corporation..... Delaware 100% Dun & Bradstreet S.A........................... Argentina 100% Dun & Bradstreet S.A........................... Peru 100% Dun & Bradstreet S.C.S......................... France 100% Dun & Bradstreet Soliditet A/S................. Norway 100% Dun & Bradstreet S.p.A......................... Italy 100% Dun & Bradstreet spol s. r. o.................. Czech Republic 80% Dun & Bradstreet Sverige AB.................... Sweden 100% Dun & Bradstreet Telecenter B.V................ Netherlands 100% Dun & Bradstreet Teleupdate Center GmbH........ Germany 100% Dun & Bradstreet Unit Trust.................... Australia 100% Dun & Bradstreet Zimbabwe (Private) Limited.... Zimbabwe 100% Dun & Bradstreet, Inc.......................... Delaware 100% Duns Holding, Inc.............................. Delaware 100% Duns Investing VII Corporation................. Delaware 100% DunsNet, Inc................................... Delaware 100% Fillupar Leasing Partnership................... Delaware 98% Financial Proformas, Inc....................... Delaware 100% Infotrade N.V.-S.A............................. Belgium 100% Moody's (Canada) Inc........................... Canada 100% Moody's America Latina Ltda.................... Brazil 100% Moody's Asia Pacific Limited................... Hong Kong 100% Moody's Deutschland GmbH....................... Germany 100% Moody's France SA.............................. France 100% Moody's Interbank Credit Service Limited....... Cyprus 100% Moody's Investors Service Espana, S.A.......... Spain 100% Moody's Investors Service Ltd.................. England 100% Moody's Investors Service Pty. Limited......... Australia 100% Moody's Investors Service, Inc................. Delaware 100% Moody's Japan Kabushiki Kaisha................. Japan 100% 2 3 OWNERSHIP COMPANY NAME JURISDICTION OF CREATION PERCENTAGE - ------------ ------------------------ ----------- Moody's Overseas Holdings, Inc................. Delaware 100% Moody's Singapore Pte. Ltd..................... Singapore 100% N.V. Dun & Bradstreet-Eurinform S.A............ Belgium/Delaware 100% Orefro L'Informazione S.p.A.................... Italy 100% Palmetto Assurance Ltd......................... Bermuda 100% Perfect Data International N.V................. Netherlands Antilles 100% Perfect Data Services B.V...................... Netherlands 100% S&W S.A.S...................................... France 100% Schimmelpfeng Inkasso GmbH..................... Germany 100% Socogestion S.A.S.............................. France 100% The D&B Companies of Canada Ltd................ Canada 100% Vlaamse Bedrijfsdatabank N.V.-S.A.............. Belgium 100% 3