| Exhibit 21.1 | ||||||||
| Company Name | Jurisdiction of Incorporation | ||||
| Clyman Bay Resources, Inc. | Delaware, U.S. | ||||
| CMI Nova Scotia Company | Nova Scotia, Canada | ||||
| CMP Canada Inc. | Nova Scotia, Canada | ||||
| CMP Capital, Inc. | Delaware, U.S. | ||||
| Compass Canada Limited Partnership | Ontario, Canada | ||||
| Compass Canada Potash Holdings Inc. | Saskatchewan, Canada | ||||
| Compass Cayman Holdings Ltd. | Cayman Islands | ||||
| Compass Minerals (Europe) Limited | England and Wales | ||||
| Compass Minerals America Inc. | Delaware, U.S. | ||||
| Compass Minerals Canada Corp. | Nova Scotia, Canada | ||||
| Compass Minerals Chile Limitada | Chile | ||||
| Compass Minerals do Brasil Ltda. | Brazil | ||||
Compass Minerals Europe B.V. | Netherlands | ||||
| Compass Minerals International Limited Partnership | Ontario, Canada | ||||
| Compass Minerals Lithium Corp of America Inc. | Delaware, U.S. | ||||
| Compass Minerals Louisiana Inc. | Delaware, U.S. | ||||
| Compass Minerals Nova Scotia Company | Nova Scotia, Canada | ||||
| Compass Minerals Ogden Inc. | Delaware, U.S. | ||||
| Compass Minerals Receivables LLC | Delaware, U.S. | ||||
| Compass Minerals Storage & Archives Limited | England and Wales | ||||
| Compass Minerals UK Holdings Limited | England and Wales | ||||
| Compass Minerals UK Limited | England and Wales | ||||
| Compass Minerals USA LLC | Delaware, U.S. | ||||
| Compass Minerals Winnipeg Unlimited Liability Company | Nova Scotia, Canada | ||||
| Compass Minerals Wynyard Inc. | Saskatchewan, Canada | ||||
| Compass Resources Canada Company | Nova Scotia, Canada | ||||
| Compass South American Salt Holdings Ltd. | Cayman Islands | ||||
| Curlew Valley Farms, LLC | Utah, U.S. | ||||
| DeepStore Holdings Limited | England and Wales | ||||
| DeepStore Limited | England and Wales | ||||
| Dove Creek Grazing, LLC | Utah, U.S. | ||||
| Fortress Asset Protection Group, LLC | Delaware, U.S. | ||||
| Fortress Employment Group, Inc. | California, U.S. | ||||
| Fortress North America, LLC | Delaware, U.S. | ||||
| FRS Group LLC | Delaware, U.S. | ||||
| Great Salt Lake Holdings, LLC | Delaware, U.S. | ||||
| GSL Corporation | Delaware, U.S. | ||||
| NAMSCO Inc. | Delaware, U.S. | ||||
| NASC Nova Scotia Company | Nova Scotia, Canada | ||||
RT 094 Empreendimentos e Participações Ltda. | Brazil | ||||
| Salt Union Limited | England and Wales | ||||