. . . Exhibit-21 Corporate Directory (TENNECO LOGO) <Table> <Caption> TENNECO INC. (DELAWARE) AUTOPARTES WALKER S.A. DE C.V. (MEXICO) (The Pullman Company owns >99%; and Tenneco Inc. owns Heinrich Gillet GmbH 5.4 (Tenneco Deutschland Holdinggesellschaft mbH < 95% and Tenneco Inc. owns > 5%) MONROE-MEXICO S.A. DE C.V. (MEXICO) (Autopartes Walker, S.A. de C.V. owns >99%; and each of Proveedora Walker and Tenneco Inc. owns TENNECO AUTOMOTIVE BRASIL LTDA. (BRAZIL) (Tenneco Brazil Ltda. owns >99%; and Tenneco Inc. owns TENNECO AUTOMOTIVE CHINA COMPANY (SHANGHAI) LTD (PRC) 4 (Tenneco Inc. owns 4% and Tenneco Automotive Operating Company Inc. owns 96%) TENNECO AUTOMOTIVE INC. (NEVADA) 100 TENNECO AUTOMOTIVE OPERATING COMPANY INC. 100 Tenneco (Beijing) Ride Control System Company Limited (PRC) 51 (Tenneco Automotive Operating Company Inc. owns 65%; and an unaffiliated company owns 35%) Tenneco Lingchuan (Chongqing) Exhaust System Co. Ltd. 60 (Tenneco Automotive Operating Company Inc. owns 60%; and an unaffiliated company owns 40%) Dalian Walker-Gillet Automobile Muffler Co. Ltd. (PRC) 60 (Tenneco Automotive Operating Company Inc. owns 60%; and an unaffiliated company owns 40%) Walker-Eberspacher Automotive Exhaust System Co., Ltd. 25 (Tenneco Automotive Operating Company Inc. owns 30%; and Dalian Walker-Gillet Automobile Muffler Company Ltd. owns 25% and an unaffiliated entity owns 45%) Maco Inversiones S.A. (Argentina) 5.5 (Tenneco Automotive Operating Company Inc. owns 5.5%; Tenneco Global Holdings Inc. owns 94.49%; and an unaffiliated party owns 0.01%) McPherson Strut Company Inc. (Delaware) 100 Precision Modular Assembly Corp. (Delaware) 100 Shanghai Walker Exhaust System Corporation Ltd. (PRC) 55 (Tenneco Automotive Operating Company Inc. owns 55%; and an unaffiliated company, owns 45%) Tenneco Asheville Inc. (Delaware) 100 Tenneco Asia Inc. (Delaware) 100 Tenneco Automotive China Company (Shanghai) Ltd. 96 (Tenneco Inc. owns 4% and Tenneco Automotive Operating Company Inc. owns 96%) Tenneco Automotive Japan Ltd. (Japan) 100 Tenneco Automotive Foreign Sales Corporation Limited (Jamaica) 100 Tenneco Automotive Nederland B.V. (Netherlands) 100 Tenneco Automotive RSA Company (Delaware) 100 Tenneco Automotive (Thailand) Limited (Thailand) >99 (Tenneco Automotive Operating Company Inc. owns >99%; and individuals each own Walker Exhaust Co. Ltd. (Thailand) 80 (Tenneco Automotive Thailand owns >75% of the shares, three individuals own unaffiliated entity owns 25%) Tenneco Automotive Trading Company (Delaware) 100 Tenneco Europe Limited (Delaware) 100 Tenneco International Holding Corp. (Delaware) 100 Tenneco Automotive France S.A.S. (France) 100 Gillet Tubes Technologies S.A.S. (France) 100 Monroe Packaging BVBA (Belgium) <1 (Tenneco Automotive Europe N.V. owns >99%; and Tenneco Automotive France S.A.S. owns <1% Tenneco Automotive Italia S.r.l. (Italy) 15 (Tenneco International Holding Corp. owns 85%; and Tenneco Automotive France S.A.S. owns 15%) </Table> <Table> <Caption> Wimetal S.A.S. (France) 100 Tenneco Automotive Services SAS (France) 100 Tenneco Automotive Italia S.r.l. (Italy) 85 (Tenneco International Holding Corp. owns 85%; and Tenneco Automotive France, S.A.S. owns 15%) Tenneco Automotive Polska Sp. z.o.o. (Poland) <1 (Tenneco International Holding Corp. owns (1%; and Tenneco Global Holdings Inc. owns) 99%) Tenneco Canada Inc. (Canada) 100 Tenneco Australia Group Pty. Ltd. 100 Monroe Australia Pty. Limited (Australia) 100 Monroe Springs Australia Pty. Ltd. (Australia) 100 Walker Australia Pty. Limited (Australia) 100 Tenneco Global Holdings Inc. (Delaware) 100 Fric-Rot S.A.I.C. (Argentina) 55 (Tenneco Global Holdings Inc. owns 55%; Maco Inversiones S.A. owns 44.85%; and unaffiliated parties own .15%) Maco Inversiones S.A. (Argentina) 94.49 (Tenneco Global Holdings Inc. owns 94.49%; Tenneco Automotive Operating Company Inc. owns 5.5%; and an unaffiliated party owns 0.01%) Fric-Rot S.A.I.C. (Argentina) 44.85 (Maco Inversiones S.A. owns 44.85%; Tenneco Global Holdings Inc. owns 55%; and unaffiliated parties own .15%) Monroe Springs (New Zealand) Pty. Ltd. (New Zealand) 100 Monroe Czechia s.r.o. (Czech Republic) 100 Tenneco Automotive Europe N.V (Belgium) (Tenneco Global Holdings Inc. owns (<1%; Tenneco International Luxembourg S.A. owns>99%) Tenneco Automotive Iberica, S.A. (Spain) 100 Tenneco Automotive Europe Coordination Center BVBA (Belgium) 99 (Tenneco Automotive Iberica, S.A. owns >99%; and Tenneco Automotive Sverige A.B. owns <1% Tenneco Automotive Sverige A.B. (Sweden) 100 Tenneco Automotive Europe Coordination Center BVBA (Belgium) <1 (Tenneco Automotive Iberica, S.A. owns >99%, and Tenneco Automotive Sverige A.B. owns <1% Gillet Exhaust Technologie Pty Ltd (South Africa) 100 Tenneco Automotive Port Elizabeth (Pty) Limited (South Africa) 100 Tenneco Automotive Portugal -- Componentes para Automovel, Unipessoal, Lda (Portugal) 100 Tenneco Automotive Polska Sp. z.o.o. (Poland) >99 (Tenneco Global Holdings Inc. owns >99%; and Tenneco International Holding Corp. owns <1% Tenneco Automotive Romania Srl (Romania) 100 Tenneco International Luxembourg S.A. (Luxembourg) 100 Tenneco Automotive Europe N.V. (Belgium) >99 (Tenneco International Luxembourg S.A. owns >99%; and Tenneco Global Holdings Inc. owns <1%) Monroe Amortisor imalat ve Ticaret A.S. (Turkey) >99 (Tenneco Automotive Europe N.V. owns >99%; and unaffiliated parties own <1%) Monroe Packaging BVBA (Belgium) >99 (Tenneco Automotive Europe N.V. owns >99%; and Tenneco Automotive France S.A.S. owns <1%) Tenneco Deutschland Holdinggesellschaft mbH (Germany) 100 Gillet Unternehmesverwaltungs GmbH (Germany) 100 Heinrich Gillet GmbH (Germany) 95 (Tenneco Deutschland Holdinggesellschaft mbH owns 94.6%, Tenneco Inc owns 5.4%) Elgira Montagebetrieb fur Abgasanlagen Rastatt GmbH (Germany) 50 (Heinrich Gillet GmbH owns 50%; and an unaffiliated party owns 50%) Gillet-Abgassysteme Zwickau GmbH (Germany) 100 Elagest AB (Sweden) 50 (Gillet-Abgassysteme Zickau GmbH owns 50%; and an unaffiliated party owns 50%) Montagewerk Abgastechnik Emden GmbH (Germany) 50 (Heinrich Gillet GmbH owns 50%; and an unaffiliated party owns 50%) Tenneco Automotive Deutschland GmbH (Germany) 100 </Table> 2 <Table> <Caption> Walker Gillet (Europe) GmbH (Germany) 100 Tenneco Mauritius Limited (Mauritius) 100 Tenneco RC India Private Limited (India) 100 Renowned Auto Products Manufacturers Ltd. (India) >98 (Tenneco RC India Pvt Limited owns >98%; and non-affiliates own <2%) Tenneco Mauritius Holdings Ltd. (Mauritius) 100 Tenneco Automotive India Private Limited (India) 100 Walker Exhaust India Private Limited (India) 100 Tenneco India Eng. & Shared Services (India) >99 (Tenneco Mauritius Holdings Ltd. owns 99.9% and an affiliated party owns <1% Tenneco Holdings Danmark ApS. (Denmark) 100 Kinetic Pty Ltd. (Australia) Ltd 100 Tenneco Automotive Eastern Europe Sp. zo.o. (Poland) 100 Tenneco Automotive Holdings South Africa Pty. Ltd. (South Africa) 75 (Tenneco Holdings Danmark ApS owns 74.9%; and an unaffiliated entity owns 25.1%) Armstrong Hydraulics South Africa (Pty.) Ltd. (South Africa) 100 Armstrong Properties (Pty.) Ltd. (South Africa) 100 Monroe Manufacturing (Pty.) Ltd. (South Africa) 100 Tenneco Automotive Volga LLC (Russia) 100 Walker Danmark ApS (Denmark) 100 Walker Europe, Inc. (Delaware) 100 Tenneco Mauritius China Holding Limited (Mauritius) 100 Tenneco (Suzhou) Company Limited (China) >99 The Pullman Company (Delaware) 100 Autopartes Walker S.A. de C.V. (Mexico) >99 (The Pullman Company owns >99%; and Tenneco Inc. owns Monroe-Mexico S.A. de C.V. (Mexico) >99 (Autopartes Walker, S.A. de C.V. owns >99%; and each of Proveedora Walker and Tenneco Inc. own less than Tenneco Automotive Servicios de Mexico, S.A. de C.V. (Mexico) (Monroe-Mexico, S.A. de C.V. owns (1%; and Proveedora Walker S. de R.L. de C.V. owns)99%) Proveedora Walker S. de R.L. de C.V. (Mexico) >99 (Autopartes Walker S.A. de C.V.owns >99%; and Monroe-Mexico S.A. de C.V. owns Monroe-Mexico S.A. de C.V. (Mexico) (Autopartes Walker, S.A. de C.V. owns >99%; and each of Proveedora Walker and Tenneco Inc. own Proveedora Walker S. de R.L. de C.V. (Mexico) (Autopartes Walker S.A. de C.V.owns >99%; and Monroe-Mexico S.A. de C.V. owns .0 Tenneco Automotive Servicios de Mexico, S.A. de C.V. (Mexico) >99 (Proveedora Walker S. de R.L. de C.V. owns >99%, and Monroe-Mexico, S.A. de C.V. owns Clevite Industries Inc. (Delaware) 100 Peabody International Corporation (Delaware) 100 Barasset Corporation (Ohio) 100 Peabody Galion Corporation (Delaware) 100 Peabody Gordon-Piatt, Inc. (Delaware) 100 Peabody N.E., Inc. (Delaware) 100 Peabody-Myers Corporation (Illinois) 100 Pullman Canada Ltd. (Canada) 61 (Peabody International Corporation owns 61%; and The Pullman Company owns 39%) Tenneco Automotive China Inc. (Delaware) 100 Pullman Canada Ltd. (Canada) 39 (The Pullman Company owns 39%; and Peabody International Corporation owns 61%) Pullman Standard Inc. (Delaware) 100 Tenneco Brazil Ltda. (Brazil) >99 (The Pullman Company owns >99%; and an unaffiliated individual owns </Table> 3 <Table> <Caption> Tenneco Automotive Brasil Ltda. (Brazil) >99 (Tenneco Brazil Ltda. owns >99%; and Tenneco Inc. owns Thompson and Stammers (Dunmow) Number 6 Limited (United Kingdom) 100 Thompson and Stammers (Dunmow) Number 7 Limited (United Kingdom) 100 TMC Texas Inc. (Delaware) 100 Walker-Eberspacher Automotive Exhaust System Co., Ltd. 30 (Tenneco Automotive Operating Company Inc owns 30%; and Dalian Walker Gillet Automobile Muffler Company Ltd. owns 25% and an unaffiliated entity owns 45%) Walker Electronic Silencing Inc. (Delaware) 100 Walker Limited (United Kingdom) 100 Futaba Tenneco UK Limited. 49 (Walker Limited. owns 49% and an unaffiliated party owns 51%) Tenneco Automotive UK Limited (United Kingdom) 100 Gillet Exhaust Manufacturing Limited (United Kingdom) 100 Gillet Pressings Cardiff Limited (United Kingdom) 100 The Tenneco Automotive (UK) Pension Scheme Trustee Limited 100 Walker UK Limited (United Kingdom) 100 J.W. Hartley (Motor Trade) Limited (United Kingdom) 100 Tenneco-Walker (U.K.) Limited (United Kingdom) 100 Tenneco Management (Europe) Limited (United Kingdom) 100 Walker Manufacturing Company (Delaware) 100 Ced's Inc. (Illinois) 100 </Table> 4