| EXHIBIT 21.1 | |
| SUBSIDIARIES OF THE COMPANY | |
| Name of the Company | Jurisdiction of Organization |
| APP China Specialty Minerals Pte Ltd. | Singapore |
| ASMAS Agir Sanayi Malzemeleri Imal ve Tic. A.S. | Turkey |
| Barretts Minerals Inc. | Delaware |
| ComSource Trading Ltd. | Delaware |
| Gold Lun Chemicals (Zhenjiang). | China |
| Gold Sheng Chemicals (Zhenjiang) Co., Ltd. | China |
| Gold Zuan Chemicals (Suzhou) Co., Ltd. | China |
| Hi-Tech Specialty Minerals Company, Limited | Thailand |
| Minerals Technologies do Brasil Comercio é Industria de Minerais Ltda. | Brazil |
| Minerals Technologies Europe N.V. | Belgium |
| Minerals Technologies Holdings Inc. | Delaware |
| Minerals Technologies Holdings Ltd. | United Kingdom |
Minerals Technologies India Private Limited Minerals Technologies Mexico Holdings, S. de R. L. de C.V. | India Mexico |
| Minerals Technologies South Africa (Pty) Ltd. | South Africa |
| Mintech Canada Inc. | Canada |
| Mintech Japan K.K. | Japan |
| Minteq Australia Pty Ltd. | Australia |
| Minteq B.V. | The Netherlands |
| Minteq Europe Limited. | Ireland |
| Minteq International GmbH | Germany |
| Minteq International Inc. | Delaware |
| Minteq International (Suzhou) Co., Ltd. | China |
| Minteq Italiana S.p.A. | Italy |
| Minteq Korea Inc. | Korea |
| Minteq Kosovo LLC. | Kosovo |
| Minteq Magnesite Limited | Ireland |
| Minteq Metallurgical Materials (Suzhou) Co., Ltd. | China |
| Minteq Shapes and Services Inc. | Delaware |
| Minteq UK Limited. | United Kingdom |
| MTI Bermuda L.P. | Bermuda |
| MTI Holdings GmbH | Germany |
| MTI Holding Singapore Pte. Ltd. | Singapore |
| MTI Holdco I LLC | Delaware |
| MTI Holdco II LLC | Delaware |
| MTI Netherlands B.V. | Netherlands |
| MTX Finance Inc. | Delaware |
| MTX Finance Ireland | Ireland |
| Performance Minerals Netherlands C.V. | Netherlands |
| PT Sinar Mas Specialty Minerals | Indonesia |
| Rijnstaal U.S.A., Inc. | Pennsylvania |
SMI NewQuest India Private Limited SMI Poland Sp. z o.o. | India Poland |
| Specialty Minerals Benelux | Belgium |
| Specialty Minerals FMT K.K. | Japan |
| Specialty Minerals France s.p.a.s. | France |
| Specialty Minerals GmbH | Germany |
| Specialty Minerals Inc. | Delaware |
| Specialty Minerals India Holding Inc. | Delaware |
| Specialty Minerals International Inc. | Delaware |
| Specialty Minerals Malaysia Sdn. Bhd. | Malaysia |
| Specialty Minerals (Michigan) Inc. | Michigan |
| Specialty Minerals Mississippi Inc. | Delaware |
| Specialty Minerals Nordic Oy Ab | Finland |
| Specialty Minerals (Portugal) Especialidades Minerais, S.A. | Portugal |
| Specialty Minerals S.A. de C.V. | Mexico |
| Specialty Minerals Servicios S. de R. L. de C.V. | Mexico |
| Specialty Minerals Slovakia, spol. sr.o. | Slovakia |
| Specialty Minerals South Africa (Pty) Limited | South Africa |
| Specialty Minerals (Thailand) Limited | Thailand |
| Specialty Minerals UK Limited | United Kingdom |
| Tecnologias Minerales de Mexico, S.A. de C.V. | Mexico |
| Yangpu Gold Hongda Chemicals Co. Ltd. | China |