| ENVIRI CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Subsidiary | Country of Incorporation | Ownership Percentage | ||||||
| EURL Tosyali Harsco Algeria | Algeria | 50% | ||||||
| Harsco Metals Argentina S.A. | Argentina | 100% | ||||||
| Harsco (Australia) Pty. Limited | Australia | 100% | ||||||
| Harsco Metals Australia Pty. Ltd. | Australia | 100% | ||||||
| Harsco Metals Australia Holding Investment Co. Pty. Ltd. | Australia | 100% | ||||||
| Harsco Rail Pty. Ltd. | Australia | 100% | ||||||
| AluServ Middle East W.L.L. | Bahrain | 100% | ||||||
| Harsco Bahrain W.L.L. | Bahrain | 100% | ||||||
| Harsco Belgium SRL | Belgium | 100% | ||||||
| Harsco Metals Emirates Maatschap | Belgium | 65% | ||||||
| Harsco Rail Emirates Maatschap/Societe de Droit Commun | Belgium | 100% | ||||||
| Harsco Brazil Investments SRL | Belgium | 100% | ||||||
| Harsco Chile Investments SRL | Belgium | 100% | ||||||
| Harsco Metals Limitada | Brazil | 100% | ||||||
| Harsco Minerais Limitada | Brazil | 100% | ||||||
| Harsco Rail Ltda | Brazil | 100% | ||||||
| Carbicrete, Inc. | Canada | 20.69% | ||||||
| Harsco Canada Corporation | Canada | 100% | ||||||
| Harsco Canada General Partner Limited | Canada | 100% | ||||||
| Harsco Canada Limited Partnership | Canada | 100% | ||||||
| Harsco Nova Scotia Holding Corporation | Canada | 100% | ||||||
| Harsco Metals Chile S.A. | Chile | 100% | ||||||
| Harsco Metals (Ningbo) Pty. Ltd. | China | 70% | ||||||
| Harsco Metals Zhejiang Co. Ltd. | China | 70% | ||||||
| Shanxi TISCO-Harsco Technology Co., Ltd. | China | 60% | ||||||
| Harsco APAC Rail Machinery (Beijing) Co., Ltd. | China | 100% | ||||||
| Harsco Technology China Co., Ltd. | China | 100% | ||||||
| Harsco (Tangshan) Metallurgical Materials Technology Co., Ltd | China | 65% | ||||||
| Harsco (Tangshan) Metallurgical Materials Technology Co., Ltd. - GuYe Branch | China | 65% | ||||||
| Harsco (Tangshan) Metallurgical Materials Technology Co., Ltd. - Leting Branch | China | 65% | ||||||
| Czech Slag- Nova Hut s.r.o. | Czech Republic | 65% | ||||||
| Harsco Metals CZ s.r.o | Czech Republic | 100% | ||||||
| Harsco Metals Egypt L.L.C. | Egypt | 100% | ||||||
| MultiServ Oy | Finland | 100% | ||||||
| Harsco Metals and Minerals France S.A.S. | France | 100% | ||||||
| Harsco France S.A.S. | France | 100% | ||||||
| Harsco Minerals France S.A.S. | France | 100% | ||||||
| Harsco Metals Germany GmbH | Germany | 100% | ||||||
| Harsco Minerals Deutschland GmbH | Germany | 100% | ||||||
| Harsco Rail Europe GmbH | Germany | 100% | ||||||
| Harsco Metals Guatemala S.A. | Guatemala | 100% | ||||||
| Harsco China Holding Company Limited | Hong Kong | 100% | ||||||
| Harsco Infrastructure Hong Kong Ltd | Hong Kong | 100% | ||||||
| Harsco India Metals Private Limited | India | 100% | ||||||
| Harsco India Private Limited | India | 100% | ||||||
| ENVIRI CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Subsidiary | Country of Incorporation | Ownership Percentage | ||||||
| Enviri India Services Private Limited | India | 100% | ||||||
| Harsco Track Machines and Services Private Limited | India | 100% | ||||||
| Ilserv S.R.L. | Italy | 65% | ||||||
| Harsco Environmental S.R.L. | Italy | 100% | ||||||
| Ballagio S.a.r.l. | Luxembourg | 100% | ||||||
| Excell Africa Holdings, Ltd. SARL | Luxembourg | 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 Rail Holding S.a.r.l. | Luxembourg | 100% | ||||||
| Harsco Rail Malaysia Sdn Bhd | Malaysia | 100% | ||||||
| Harsco Metals de Mexico S.A. de C.V. | Mexico | 100% | ||||||
| GasServ (Netherlands) VII B.V. | Netherlands | 100% | ||||||
| Harsco (Mexico) Holdings B.V. | Netherlands | 100% | ||||||
| Harsco International BV | Netherlands | 100% | ||||||
| Harsco Infrastructure Industrial Services B.V. | Netherlands | 100% | ||||||
| Harsco Infrastructure B.V. | Netherlands | 100% | ||||||
| Harsco Infrastructure Construction Services 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 Metals Oostelijk Staal International B.V. | Netherlands | 100% | ||||||
| Harsco Minerals Europe B.V. | Netherlands | 100% | ||||||
| Harsco Nederland Slag B.V. | Netherlands | 100% | ||||||
| Harsco Europa B.V. | Netherlands | 100% | ||||||
| Harsco Finance B.V. | Netherlands | 100% | ||||||
| Heckett MultiServ China B.V. | Netherlands | 100% | ||||||
| Heckett MultiServ Far East B.V. | Netherlands | 100% | ||||||
| Minerval Metallurgic Additives B.V. | Netherlands | 100% | ||||||
| MultiServ Finance 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 Metals Norway A.S. | Norway | 100% | ||||||
| Harsco Minerals Arabia LLC (FZC) | Oman | 100% | ||||||
| Harsco Steel Mill Trading Arabia LLC | Oman | 100% | ||||||
| Harsco Metals Peru S.A. | Peru | 100% | ||||||
| Harsco Metals Polska SP Z.O.O. | Poland | 100% | ||||||
| Harsco Metals CTS Prestacao de Servicos Tecnicos e Aluguer de Equipamentos Unipessoal, LDA | Portugal | 100% | ||||||
| Heckett MultiServ Saudi Arabia Co., Ltd. | Saudi Arabia | 55% | ||||||
| Harsco Metals D.O.O. Smederevo | Serbia | 100% | ||||||
| ENVIRI CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Subsidiary | Country of Incorporation | Ownership Percentage | ||||||
| Harsco Metals Slovensko s.r.o. | Slovak Republic | 100% | ||||||
| Harsco Minerali d.o.o. | Slovenia | 100% | ||||||
| Harsco Infrastructure South Africa (Pty.) Ltd. | South Africa | 100% | ||||||
| Harsco Metals Ilanga Pty. Ltd. | South Africa | 100% | ||||||
| Harsco Metals RSA (Proprietary) Limited | South Africa | 100% | ||||||
| Harsco Metals South Africa (Pty.) Ltd. | South Africa | 100% | ||||||
| Harsco Metals SRH Mill Services (Pty.) Limited | South Africa | 100% | ||||||
| Harsco Metals SteelServ (Proprietary) Limited | South Africa | 100% | ||||||
| Heckett MultiServ (FS) Pty Ltd | South Africa | 100% | ||||||
| Metal Reclamation SPV (Pty.) Ltd. | South Africa | 100% | ||||||
| MultiServ Technologies (South Africa) Pty Ltd | South Africa | 100% | ||||||
| Harsco Metals Gesmafesa S.A. | Spain | 100% | ||||||
| Harsco Metals Lycrete S.A. | Spain | 100% | ||||||
| Harsco Metals Reclamet S.A. | Spain | 100% | ||||||
| Harsco Metals Sweden A.B. | Sweden | 100% | ||||||
| MultiServ (Sweden) AB | Sweden | 100% | ||||||
| Harsco Rail Switzerland GmbH | Switzerland | 100% | ||||||
| Harsco Switzerland Holdings GmbH | Switzerland | 100% | ||||||
| Harsco Metals (Thailand) Company Ltd. | Thailand | 100% | ||||||
| Harsco Metals Turkey Celik Limited Sirketi | Turkey | 100% | ||||||
| Harsco Sun Demiryolu Ekipmanlari Uretim Ve Ticaret Limited Sirketi | Turkey | 51% | ||||||
| Tosyali Harsco Geri Kazanim Teknolojileri Anonim Sirketi | Turkey | 50% | ||||||
| Harsco Metals Middle East FZE | U.A.E. | 100% | ||||||
| Altek Europe Holdings Limited | U.K. | 100% | ||||||
| Altek Europe Limited | U.K. | 100% | ||||||
| Altek Melting Solutions Limited | U.K. | 100% | ||||||
| Faber Prest Limited | U.K. | 100% | ||||||
| Harsco (U.K.) Limited | U.K. | 100% | ||||||
| Harsco (UK) Group Limited | U.K. | 100% | ||||||
| Harsco Infrastructure Group Ltd. | U.K. | 100% | ||||||
| Harsco Infrastructure Services Ltd. | U.K. | 100% | ||||||
| Harsco Investment Limited | U.K. | 100% | ||||||
| Harsco Metals 385 Ltd | U.K. | 100% | ||||||
| Harsco Metals Group Limited | U.K. | 100% | ||||||
| Harsco Metals Holdings Limited | U.K. | 100% | ||||||
| Harsco Rail Limited | U.K. | 100% | ||||||
| HLWKH 517 Limited | U.K. | 100% | ||||||
| Iductelec Limited | U.K. | 100% | ||||||
| Mastclimbers Ltd | U.K. | 100% | ||||||
| Parker Scaffolding Co. Limited | U.K. | 100% | ||||||
| SGB Holdings Limited | U.K. | 100% | ||||||
| Scaffolding (Great Britain) Limited | U.K. | 100% | ||||||
| SGB Investments Ltd. | U.K. | 100% | ||||||
| Short Brothers (Plant) Limited | U.K. | 100% | ||||||
| 21st Century Environmental Management of NV, LLC | U.S.A. | 100% | ||||||
| ENVIRI CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Subsidiary | Country of Incorporation | Ownership Percentage | ||||||
| 21st Century Environmental Management of RI, LLC | U.S.A. | 100% | ||||||
| Accelerated Remediation Kinetics, LLC | U.S.A. | 100% | ||||||
| Advanced Remediation & Disposal Technologies of Delaware, LLC | U.S.A. | 100% | ||||||
| AES Asset Acquisition Corporation | U.S.A | 100% | ||||||
| AERC Acquisition Corporation | U.S.A. | 100% | ||||||
| Allied Environmental Group, LLC | U.S.A. | 100% | ||||||
| Allworth, LLC | U.S.A. | 100% | ||||||
| Altek LLC | U.S.A. | 100% | ||||||
| Assessment & Remedial Design Technologies, Inc | U.S.A. | 100% | ||||||
| Burlington Environmental LLC | U.S.A. | 100% | ||||||
| Harsco Clean Earth Holdings LLC | U.S.A. | 100% | ||||||
| Carteret Asphalt Corporation | U.S.A. | 100% | ||||||
| CEHI Acquisition LLC | U.S.A. | 100% | ||||||
| CEI Holding LLC | U.S.A. | 100% | ||||||
| Chemical Pollution Control of Florida, LLC | U.S.A. | 100% | ||||||
| Chemical Pollution Control of New York, LLC | U.S.A. | 100% | ||||||
| Chemical Reclamation Services, LLC | U.S.A. | 100% | ||||||
| Clean Earth Corporate Services, LLC | U.S.A. | 100% | ||||||
| Clean Earth Dredging Technologies, LLC | U.S.A. | 100% | ||||||
| Clean Earth Environmental Services, Inc. | U.S.A. | 100% | ||||||
| Clean Earth Environmental Solutions, Inc. | U.S.A. | 100% | ||||||
| Clean Earth Government Services, LLC | U.S.A. | 100% | ||||||
| Clean Earth Holdings, LLC | U.S.A. | 100% | ||||||
| Clean Earth, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Alabama, Inc | U.S.A. | 100% | ||||||
| Clean Earth of Carteret, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Georgia, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Greater Washington, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Maryland, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Michigan, LLC | U.S.A. | 100% | ||||||
| Clean Earth Mobile Services, LLC | U.S.A. | 100% | ||||||
| Clean Earth of New Castle, LLC | U.S.A. | 100% | ||||||
| Clean Earth of North Jersey, Inc. | U.S.A. | 100% | ||||||
| Clean Earth of Philadelphia, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Puerto Rico, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Southeast Pennsylvania, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Southern Florida, LLC | U.S.A. | 100% | ||||||
| Clean Earth of West Virginia, LLC | U.S.A. | 100% | ||||||
| Clean Earth of Williamsport, LLC | U.S.A. | 100% | ||||||
| Clean Earth Specialty Waste Solutions, Inc. | U.S.A. | 100% | ||||||
| Clean Rock Properties, Ltd | U.S.A. | 100% | ||||||
| Environmental Soil Management, Inc | U.S.A. | 100% | ||||||
| Environmental Soil Management of New York, LLC | U.S.A. | 100% | ||||||
| ESOL TOPCO, LLC | U.S.A. | 100% | ||||||
| Gardner Road Oil, LLC | U.S.A. | 100% | ||||||
| ENVIRI CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Subsidiary | Country of Incorporation | Ownership Percentage | ||||||
| General Environmental Management of Rancho Cordova, LLC | U.S.A. | 100% | ||||||
| Harsco Defense Holding, LLC | U.S.A. | 100% | ||||||
| Harsco Financial Holdings LLC | U.S.A. | 100% | ||||||
| Harsco Holdings, Inc. | U.S.A. | 100% | ||||||
| Harsco Infrastructure Holdings, Inc. | 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 Metro Rail, LLC | U.S.A. | 100% | ||||||
| Harsco Metro Rail Holdings, LLC | U.S.A | 100% | ||||||
| Harsco Minerals Technologies LLC | U.S.A. | 100% | ||||||
| Harsco Minnesota Finance, Inc. | U.S.A. | 100% | ||||||
| Harsco Minnesota LLC | U.S.A. | 100% | ||||||
| Harsco Rail, LLC | U.S.A. | 100% | ||||||
| Harsco Receivables LLC | U.S.A. | 100% | ||||||
| Harsco Technologies LLC | U.S.A. | 100% | ||||||
| Luntz Acquisition (Delaware) LLC | U.S.A. | 100% | ||||||
| MKC Acquisition Corporation | U.S.A. | 100% | ||||||
| Northland Environmental LLC | U.S.A. | 100% | ||||||
| Nortru, LLC | U.S.A. | 100% | ||||||
| Performix Metallurgical Additives, LLC | U.S.A | 100% | ||||||
| Phillip Reclamation Services Houston, LLC | U.S.A. | 100% | ||||||
| Protran Technology LLC | U.S.A. | 100% | ||||||
| PSC Environmental Services, LLC | U.S.A. | 100% | ||||||
| PSC Recovery Systems, LLC | U.S.A. | 100% | ||||||
| Reed Minerals, LLC | U.S.A. | 100% | ||||||
| Real Property Acquisition, LLC | U.S.A. | 100% | ||||||
| Republic Environmental Recycling (New Jersey), LLC | U.S.A | 100% | ||||||
| Republic Environmental Systems (Pennsylvania), LLC | U.S.A. | 100% | ||||||
| Republic Environmental Systems (Transportation Group), LLC | U.S.A. | 100% | ||||||
| Rho-Chem LLC | U.S.A. | 100% | ||||||
| The Slag Reduction Company Limited | U.S.A. | 100% | ||||||
| Solvent Recovery, LLC | U.S.A. | 100% | ||||||
| United Retek of Connecticut, LLC | U.S.A. | 100% | ||||||
| Heckett Multiserv MV & MS, CA | Venezuela | 100% | ||||||
| HARSCO CORPORATION | Exhibit 21 | |||||||
| Subsidiaries of Registrant | ||||||||
| Company Name | Country of Incorporation | Ownership Percentage | ||||||
| P.T. Purna Baja Harsco | Indonesia | 26% | ||||||