| HARSCO CORPORATION | Exhibit 21 | |
| Subsidiaries of Registrant | ||
| Subsidiary | Country of Incorporation | Ownership Percentage |
| Harsco Metals Argentina S.A. | Argentina | 100% |
| Harsco (Australia) Pty. Limited | Australia | 100% |
| Harsco Industrial Air-X-Changers Pty. Ltd. | Australia | 80% |
| Harsco Metals Australia Pty. Ltd. | Australia | 100% |
| Harsco Metals Australia Holding Investment Co. Pty. Ltd. | Australia | 100% |
| Harsco Rail Pty. Ltd. | Australia | 100% |
| Harsco Minerals Austria GmbH | Austria | 100% |
| Harsco Metals AluServ Middle East W.L.L. | Bahrain | 65% |
| Harsco Belgium S.P.R.L. | Belgium | 100% |
| Harsco Metals Belgium S.A. | Belgium | 100% |
| Harsco Metals Emirates Partnership | Belgium | 65% |
| Harsco Rail Emirates Maatschap/Societe de Droit Commun | Belgium | 100% |
| Harsco Brazil Investments BVBA | Belgium | 100% |
| Harsco Chile Investments BVBA | Belgium | 100% |
| Harsco (Bermuda) Limited | Bermuda | 100% |
| Harsco do Brasil Participacoes e Servicos Siderurgicos Ltda. | Brazil | 100% |
| Harsco Metals Limitada | Brazil | 100% |
| Harsco Minerais Limitada | Brazil | 100% |
| Harsco Canada Corporation Societe Harsco Canada | Canada | 100% |
| Harsco Canada General Partner Limited | Canada | 100% |
| Harsco Canada Limited Partnership | Canada | 100% |
| Harsco Nova Scotia Holding Corporation | Canada | 100% |
| Infrastructure Canada ULC | Canada | 100% |
| SGB Overseas Limited | Channel Islands-Jersey | 100% |
| Harsco Metals Chile S.A. | Chile | 100% |
| Harsco Metals (Ningbo) Co. Ltd. | China | 70% |
| Harsco Metals Tangshan Co. Ltd. | China | 100% |
| Harsco Metals Zhejiang Co. Ltd. | China | 80% |
| JiangSu Harsco Industrial Grating Company Limited | China | 70% |
| Shanxi TISCO-Harsco Technology Co., Ltd. | China | 60% |
| Harsco APAC Rail Machinery (Beijing) Co., Ltd. | China | 100% |
| Harsco Infrastructure Equipment Leasing (Beijing) Co. Ltd. | China | 100% |
| Harsco Technology China Co., Ltd. | China | 100% |
| Harsco Industrial Grating China Holding Company Limited | China | 70% |
| Harsco Infrastructure CZ s.r.o | Czech Republic | 100% |
| Harsco Metals Czech s.r.o. | Czech Republic | 65% |
| Harsco Metals CZ s.r.o | Czech Republic | 100% |
| Hunnebeck Middle East FZE | Dubai | 100% |
| Harsco Infrastructure for Scaffolding and Formwork S.A.E. | Egypt | 98.85% |
| Harsco Metals Egypt L.L.C. | Egypt | 100% |
| Heckett Bahna Co. For Industrial Operations S.A.E. | Egypt | 65% |
| Heckett MultiServ Bahna S.A.E. | Egypt | 65% |
| Slag Processing Company Egypt (SLAR) S.A.E. | Egypt | 60% |
| MultiServ Oy | Finland | 100% |
| Harsco Metals BC Nord S.A.S. | France | 100% |
| HARSCO CORPORATION | Exhibit 21 | |
| Subsidiaries of Registrant | ||
| Subsidiary | Country of Incorporation | Ownership Percentage |
| Harsco Metals Evulca Sud S.A.S. | France | 100% |
| Harsco Metals France S.A.S. | France | 100% |
| Harsco Metals Industries S.A.S. | France | 100% |
| Harsco Metals Logistique et Services Specialises S.A.S. | France | 100% |
| Harsco Metals Mill Services S.A.S. | France | 100% |
| Harsco Metals Solomat Industrie S.A.S. | France | 100% |
| Harsco Metals Sud S.A.S. | France | 100% |
| Harsco Minerals France S.A.S. | France | 100% |
| Harsco France S.A.S. | France | 100% |
| Harsco Minerals Deutschland GmbH | Germany | 100% |
| Harsco Rail Europe GmbH | Germany | 100% |
| Harsco (Gibraltar) Holding Limited | Gibraltar | 100% |
| Alexandros International Ltd | Greece | 100% |
| Harsco Metals Guatemala S.A. | Guatemala | 100% |
| Harsco Infraestructure Honduras, S.A. | Honduras | 100% |
| Harsco China Holding Company Limited | Hong Kong | 100% |
| Harsco Industrial Grating China Holding Co. Ltd. | Hong Kong | 70% |
| Harsco India Metals Private Limited | India | 99.99% |
| Harsco India Private Ltd. | India | 90.82% |
| Harsco India Services Private Ltd. | India | 100% |
| Harsco Metals Italia S.R.L. | Italy | 100% |
| Ilserv S.R.L. | Italy | 65% |
| Harsco Metals Nord Italia S.R.L. | Italy | 100% |
| Harsco Infrastructure Baltics S.I.A. | Latvia | 100% |
| Harsco Luxembourg S.a.r.l | Luxembourg | 100% |
| Harsco Metals Luxembourg S.A. | Luxembourg | 100% |
| Harsco Metals Luxequip S.A. | Luxembourg | 100% |
| Excell Americas Holdings Ltd S.a.r.L. | Luxembourg | 100% |
| Harsco Americas Investments S.a.r.l. | Luxembourg | 100% |
| Harsco International Finance S.a.r.l. | Luxembourg | 100% |
| Harsco Industrial IKG de Mexico, S.A. de C.V. | Mexico | 100% |
| Harsco Metals de Mexico S.A. de C.V. | Mexico | 100% |
| Irving, S.A. de C.V. | Mexico | 100% |
| Harsco Asia Investment B.V. | Netherlands | 100% |
| Harsco Asia China Investment B.V. | Netherlands | 100% |
| Harsco Asia Pacific Investment B.V. | Netherlands | 100% |
| GasServ (Netherlands) VII B.V. | Netherlands | 100% |
| Harsco (Mexico) Holdings B.V. | Netherlands | 100% |
| Harsco Infrastructure B.V. | Netherlands | 100% |
| Harsco Infrastructure Construction Services B.V. | Netherlands | 100% |
| Harsco Infrastructure Logistic Services B.V. | Netherlands | 100% |
| Harsco International Finance B.V. | Netherlands | 100% |
| Harsco Investments Europe B.V. | Netherlands | 100% |
| Harsco Metals Holland B.V. | Netherlands | 100% |
| Harsco Metals Transport B.V. | Netherlands | 100% |
| HARSCO CORPORATION | Exhibit 21 | |
| Subsidiaries of Registrant | ||
| Subsidiary | Country of Incorporation | Ownership Percentage |
| Harsco Metals Oostelijk Staal International B.V. | Netherlands | 100% |
| Harsco Minerals Europe B.V. | Netherlands | 100% |
| Harsco Nederland Slag B.V. | Netherlands | 100% |
| Heckett MultiServ China B.V. | Netherlands | 100% |
| Heckett MultiServ Far East B.V. | Netherlands | 100% |
| MultiServ International B.V. | Netherlands | 100% |
| Slag Reductie (Pacific) B.V. | Netherlands | 100% |
| Slag Reductie Nederland B.V. | Netherlands | 100% |
| Harsco (Peru) Holdings B.V. | Netherlands | 100% |
| Harsco Europa B.V. | Netherlands | 100% |
| Harsco Finance B.V. | Netherlands | 100% |
| Harsco Metals SteelServ Limited | New Zealand | 50% |
| Harsco Infrastructure Norge A.S. | Norway | 100% |
| Harsco Metals Norway A.S. | Norway | 100% |
| Financo S.A. | Panama | 100% |
| Patent Panama S.A. | Panama | 100% |
| Harsco Metals Peru S.A. | Peru | 100% |
| Harsco Metals Polska SP Z.O.O. | Poland | 100% |
| Harsco Infrastructure Portugal Ltda. | Portugal | 100% |
| Harsco Metals CTS Prestacao de Servicos Tecnicos e Aluguer de Equipamentos LDA Unipessoal | Portugal | 100% |
| Harsco Metals Romania S.R.L. | Romania | 100% |
| Harsco Baroom Ltd. | Saudi Arabia | 51% |
| Harsco Metals Saudi Arabia Ltd. | Saudi Arabia | 55% |
| Harsco Metals D.O.O. Smederevo | Serbia | 100% |
| Harsco Infrastructure Slovensko s.r.o. | Slovak Republic | 100% |
| Harsco Metals Slovensko s.r.o. | Slovak Republic | 100% |
| Harsco Minerali d.o.o. | Slovenia | 100% |
| Harsco Metals RSA Africa (Pty.) Ltd. | South Africa | 100% |
| Harsco Metals South Africa (Pty.) Ltd. | South Africa | 100% |
| Harsco Metals SRH Mill Services (Pty.) Ltd. | South Africa | 100% |
| Harsco Metals SteelServ (Pty.) Ltd. | South Africa | 100% |
| Harsco Metals Ilanga Pty. Ltd. | South Africa | 100% |
| Harsco Metals Gesmafesa S.A. | Spain | 100% |
| Harsco Metals Iberica S.A. | Spain | 100% |
| Harsco Metals Intermetal S.A. | Spain | 100% |
| Harsco Metals Lycrete S.A. | Spain | 100% |
| Harsco Metals Reclamet S.A. | Spain | 100% |
| Excell Africa Holdings, Ltd. | St. Kitts & Nevis | 100% |
| Harsco Infrastructure Sverige A.B. | Sweden | 100% |
| Harsco Metals Sweden A.B. | Sweden | 100% |
| Harsco Metals (Thailand) Company Ltd. | Thailand | 100% |
| Harsco Sun Demiryolu Ekipmanlari Uretim Ve Ticaret Limited Sirketi | Turkey | 51% |
| HARSCO CORPORATION | Exhibit 21 | |
| Subsidiaries of Registrant | ||
| Subsidiary | Country of Incorporation | Ownership Percentage |
| Faber Prest Limited | U.K. | 100% |
| Fourninezero Ltd. | U.K. | 100% |
| Harsco (U.K.) Limited | U.K. | 100% |
| Harsco (UK) Group Ltd | U.K. | 100% |
| Harsco (UK) Holdings Ltd | U.K. | 100% |
| Harsco (York Place) Limited | U.K. | 100% |
| Harsco Fairerways Limited Partnership | U.K. | 100% |
| Harsco Fairestways Limited Partnership | U.K. | 100% |
| Harsco Fairways Partnership | U.K. | 100% |
| Harsco Higherlands Limited Partnership | U.K. | 100% |
| Harsco Highestlands Limited Partnership | U.K. | 100% |
| Harsco Infrastructure Group Ltd. | U.K. | 100% |
| Harsco Infrastructure Middle East Ltd. | U.K. | 100% |
| Harsco Infrastructure Services Ltd. | U.K. | 100% |
| Harsco Investment Ltd. | U.K. | 100% |
| Harsco Leatherhead Limited | U.K. | 100% |
| Harsco Metals 385 plc | U.K. | 100% |
| Harsco Metals Group Limited | U.K. | 100% |
| Harsco Metals Holdings Limited | U.K. | 100% |
| Harsco Mole Valley Limited | U.K. | 100% |
| Harsco Rail Limited | U.K. | 100% |
| Harsco Surrey Limited | U.K. | 100% |
| MultiServ Investment Limited | U.K. | 100% |
| SGB Investments Ltd. | U.K. | 100% |
| Short Brothers (Plant) Ltd. | U.K. | 100% |
| Harsco Global Sourcing Limited | U.K. | 100% |
| Harsco Environmental Services Limited | U.K. | 100% |
| Harsco Defense Holding, LLC | U.S.A. | 100% |
| Harsco Holdings, Inc. | U.S.A. | 100% |
| Harsco Infrastructure Holdings, Inc. | U.S.A. | 100% |
| Harsco Metals ARI LLC | U.S.A. | 100% |
| Harsco Metals BRI LLC | U.S.A. | 100% |
| Harsco Metals ECR LLC | U.S.A. | 100% |
| Harsco Metals GLRS LLC | U.S.A. | 100% |
| Harsco Metals Holding LLC | U.S.A. | 100% |
| Harsco Metals Intermetal LLC | U.S.A. | 100% |
| Harsco Metals Investment LLC | U.S.A. | 100% |
| Harsco Metals Operations LLC | U.S.A. | 100% |
| Harsco Metals SRI LLC | U.S.A. | 100% |
| Harsco Metals VB LLC | U.S.A. | 100% |
| Harsco Minerals Briquetting LLC | U.S.A. | 100% |
| Harsco Minerals KY LLC | U.S.A. | 100% |
| Harsco Minerals PA LLC | U.S.A. | 100% |
| Harsco Minerals Technologies LLC | U.S.A. | 100% |
| Harsco Minnesota Finance, Inc. | U.S.A. | 100% |
| HARSCO CORPORATION | Exhibit 21 | |
| Subsidiaries of Registrant | ||
| Subsidiary | Country of Incorporation | Ownership Percentage |
| Harsco Minnesota LLC | U.S.A. | 100% |
| Harsco Technologies LLC | U.S.A. | 100% |
| Harsco Industrial Hammco LLC | U.S.A. | 100% |
| Harsco Metals Ukraine L.L.C. | Ukraine | 100% |
| Quebeisi SGB L.L.C. | United Arab Emirates | 49% |
Companies in which Harsco Corporation does not exert management control are not consolidated. These companies are listed below as unconsolidated entities.
| Company Name | Country of Incorporation | Ownership Percentage |
| Phooltas Harsco Rail Solutions Private Limited | India | 40% |
| P.T. Purna Baja Heckett | Indonesia | 40% |