Attached files
| file | filename |
|---|---|
| S-1 - S-1 - PQ Holdings Inc. | d670992ds1.htm |
| EX-23.2 - EX-23.2 - PQ Holdings Inc. | d670992dex232.htm |
| EX-23.3 - EX-23.3 - PQ Holdings Inc. | d670992dex233.htm |
| EX-99.1 - EX-99.1 - PQ Holdings Inc. | d670992dex991.htm |
Exhibit 21.1
Subsidiaries of the Registrant
| Name of Subsidiary |
State or Jurisdiction of Incorporation or Organization | |
| Zeolyst International | Kansas, USA (50%) | |
| Potters Industries, LLC d/b/a Flex-O-Lite | Delaware, USA | |
| PQ International Holdings Inc. | Delaware, USA | |
| PQ Canada Company | Nova Scotia, Canada | |
| PQ Silicas B.V., d/b/a PQ Europe | Netherlands | |
| PNA Partnership, d/b/a Potters Canada | Ontario, Canada | |
| National Silicates Partnership | Ontario, Canada | |
| Silicatos y Derivados, S.A. de C.V. (SIDESA) | Mexico | |
| PQ Germany GmbH | Germany | |
| PQ International C.V. | Netherlands | |
| PQ International Coöperatie U.A. | Netherlands | |
| PQ Silicas Brazil Ltda. | Brazil | |
| PQ Silicas UK Limited | United Kingdom | |
| PT PQ Silicas Indonesia | Indonesia | |
| PQ Silicas South Africa Pty Ltd. | South Africa | |
| Potters Holdings II, LP | Delaware, USA | |
| PQ Corporation | Pennsylvania, USA |